From 93ef2e3df244b663f8c3922f8ac1068109ea7fda Mon Sep 17 00:00:00 2001 From: HINOTOR <3635271576@qq.com> Date: Fri, 9 Jun 2023 12:06:34 +0800 Subject: [PATCH] other --- other/05_张锦辉_贡献度.xlsx | Bin 0 -> 9170 bytes .../ui/NoteEditText.java | 268 ++++ .../ui/NoteItemData.java | 236 ++++ .../ui/NotesListActivity.java | 1081 +++++++++++++++++ .../ui/NotesListAdapter.java | 215 ++++ .../ui/NotesListItem.java | 136 +++ .../ui/NotesPreferenceActivity.java | 469 +++++++ .../widget/NoteWidgetProvider.java | 158 +++ .../widget/NoteWidgetProvider_2x.java | 51 + .../widget/NoteWidgetProvider_4x.java | 47 + .../gtask/remote/GTaskASyncTask.java | 145 +++ .../gtask/remote/GTaskClient.java | 612 ++++++++++ .../gtask/remote/GTaskManager.java | 800 ++++++++++++ .../gtask/remote/GTaskSyncService.java | 128 ++ .../tool/BackupUtils.java | 351 ++++++ .../tool/DataUtils.java | 297 +++++ .../tool/GTaskStringUtils.java | 113 ++ .../tool/ResourceParser.java | 181 +++ .../data/Contact.java | 95 ++ .../data/Notes.java | 288 +++++ .../data/NotesDatabaseHelper.java | 415 +++++++ .../data/NotesProvider.java | 413 +++++++ .../gtask/data/MetaData.java | 115 ++ .../gtask/data/Node.java | 128 ++ .../gtask/data/SqlData.java | 229 ++++ .../gtask/data/SqlNote.java | 590 +++++++++ .../gtask/data/Task.java | 373 ++++++ .../gtask/data/TaskList.java | 410 +++++++ .../exception/ActionFailureException.java | 24 + .../exception/NetworkFailureException.java | 26 + .../model/Note.java | 279 +++++ .../model/WorkingNote.java | 368 ++++++ .../ui/AlarmAlertActivity.java | 158 +++ .../ui/AlarmInitReceiver.java | 65 + .../ui/AlarmReceiver.java | 30 + .../ui/DateTimePicker.java | 485 ++++++++ .../ui/DateTimePickerDialog.java | 90 ++ .../ui/DropdownMenu.java | 61 + .../ui/FoldersListAdapter.java | 80 ++ .../ui/NoteEditActivity.java | 873 +++++++++++++ other/other.txt | 1 - 41 files changed, 10883 insertions(+), 1 deletion(-) create mode 100644 other/05_张锦辉_贡献度.xlsx create mode 100644 other/06_210140186 冯鑫珂_代码标注/ui/NoteEditText.java create mode 100644 other/06_210140186 冯鑫珂_代码标注/ui/NoteItemData.java create mode 100644 other/06_210140186 冯鑫珂_代码标注/ui/NotesListActivity.java create mode 100644 other/06_210140186 冯鑫珂_代码标注/ui/NotesListAdapter.java create mode 100644 other/06_210140186 冯鑫珂_代码标注/ui/NotesListItem.java create mode 100644 other/06_210140186 冯鑫珂_代码标注/ui/NotesPreferenceActivity.java create mode 100644 other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider.java create mode 100644 other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider_2x.java create mode 100644 other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider_4x.java create mode 100644 other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskASyncTask.java create mode 100644 other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskClient.java create mode 100644 other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskManager.java create mode 100644 other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskSyncService.java create mode 100644 other/06_211240141 陈景睿_代码标注/tool/BackupUtils.java create mode 100644 other/06_211240141 陈景睿_代码标注/tool/DataUtils.java create mode 100644 other/06_211240141 陈景睿_代码标注/tool/GTaskStringUtils.java create mode 100644 other/06_211240141 陈景睿_代码标注/tool/ResourceParser.java create mode 100644 other/06_211440528 张锦辉_代码标注/data/Contact.java create mode 100644 other/06_211440528 张锦辉_代码标注/data/Notes.java create mode 100644 other/06_211440528 张锦辉_代码标注/data/NotesDatabaseHelper.java create mode 100644 other/06_211440528 张锦辉_代码标注/data/NotesProvider.java create mode 100644 other/06_211440528 张锦辉_代码标注/gtask/data/MetaData.java create mode 100644 other/06_211440528 张锦辉_代码标注/gtask/data/Node.java create mode 100644 other/06_211440528 张锦辉_代码标注/gtask/data/SqlData.java create mode 100644 other/06_211440528 张锦辉_代码标注/gtask/data/SqlNote.java create mode 100644 other/06_211440528 张锦辉_代码标注/gtask/data/Task.java create mode 100644 other/06_211440528 张锦辉_代码标注/gtask/data/TaskList.java create mode 100644 other/06_211440528 张锦辉_代码标注/gtask/exception/ActionFailureException.java create mode 100644 other/06_211440528 张锦辉_代码标注/gtask/exception/NetworkFailureException.java create mode 100644 other/06_211540837 吕良炜_代码标注/model/Note.java create mode 100644 other/06_211540837 吕良炜_代码标注/model/WorkingNote.java create mode 100644 other/06_211540837 吕良炜_代码标注/ui/AlarmAlertActivity.java create mode 100644 other/06_211540837 吕良炜_代码标注/ui/AlarmInitReceiver.java create mode 100644 other/06_211540837 吕良炜_代码标注/ui/AlarmReceiver.java create mode 100644 other/06_211540837 吕良炜_代码标注/ui/DateTimePicker.java create mode 100644 other/06_211540837 吕良炜_代码标注/ui/DateTimePickerDialog.java create mode 100644 other/06_211540837 吕良炜_代码标注/ui/DropdownMenu.java create mode 100644 other/06_211540837 吕良炜_代码标注/ui/FoldersListAdapter.java create mode 100644 other/06_211540837 吕良炜_代码标注/ui/NoteEditActivity.java delete mode 100644 other/other.txt diff --git a/other/05_张锦辉_贡献度.xlsx b/other/05_张锦辉_贡献度.xlsx new file mode 100644 index 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License. + */ + +package net.micode.notes.ui; + +import android.content.Context; +import android.graphics.Rect; +import android.text.Layout; +import android.text.Selection; +import android.text.Spanned; +import android.text.TextUtils; +import android.text.style.URLSpan; +import android.util.AttributeSet; +import android.util.Log; +import android.view.ContextMenu; +import android.view.KeyEvent; +import android.view.MenuItem; +import android.view.MenuItem.OnMenuItemClickListener; +import android.view.MotionEvent; +import android.widget.EditText; + +import net.micode.notes.R; + +import java.util.HashMap; +import java.util.Map; +//继承edittext，设置便签设置文本框 +public class NoteEditText extends EditText { + private static final String TAG = "NoteEditText"; + private int mIndex; + private int mSelectionStartBeforeDelete; + + private static final String SCHEME_TEL = "tel:" ; + private static final String SCHEME_HTTP = "http:" ; + private static final String SCHEME_EMAIL = "mailto:" ; + +//定义了一个名为sSchemaActionResMap的静态常量map,构成字符串与整数的映射 +//用于存储电话网站还有邮箱 + private static final Map sSchemaActionResMap = new HashMap(); + static { + sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel); + sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web); + sSchemaActionResMap.put(SCHEME_EMAIL, R.string.note_link_email); + } + + /** + * Call by the {@link NoteEditActivity} to delete or add edit text + */ + +//在NoteEditActivity中删除或添加文本的操作，可以看做是一个文本是否被变的标记 + public interface OnTextViewChangeListener { + /** + * Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens + * and the text is null + */ + //在按下删除键且文本为空时删除当前编辑文本 + void onEditTextDelete(int index, String text); + + /** + * Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER} + * happen + */ + //在按下回车键时在当前编辑文本后添加编辑文本 + void onEditTextEnter(int index, String text); + + /** + * Hide or show item option when text change + */ + //在文本更改时隐藏或显示项目选项 + void onTextChange(int index, boolean hasText); + } + + private OnTextViewChangeListener mOnTextViewChangeListener; + + + //根据context设置文本 + public NoteEditText(Context context) { + super(context, null); + //用super引用父类变量 + mIndex = 0; + } + + //光标设置 + public void setIndex(int index) { + mIndex = index; + } + + //初始化文本修改标记 + public void setOnTextViewChangeListener(OnTextViewChangeListener listener) { + mOnTextViewChangeListener = listener; + } + + //初始化便签 + public NoteEditText(Context context, AttributeSet attrs) { + super(context, attrs, android.R.attr.editTextStyle); + } + + // 根据defstyle自动初始化 + public NoteEditText(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + // TODO Auto-generated constructor stub + } + + @Override + //重写函数 + //view里的函数 + public boolean onTouchEvent(MotionEvent event) { + switch (event.getAction()) { + //重写了需要处理屏幕被按下的事 + //改变坐标值 + case MotionEvent.ACTION_DOWN: + int x = (int) event.getX(); + int y = (int) event.getY(); + x -= getTotalPaddingLeft(); + y -= getTotalPaddingTop(); + x += getScrollX(); + y += getScrollY(); + + //用布局控件layout根据x,y的新值设置新的位置 + Layout layout = getLayout(); + int line = layout.getLineForVertical(y); + int off = layout.getOffsetForHorizontal(line, x); + + //光标位置更新 + Selection.setSelection(getText(), off); + break; + } + + return super.onTouchEvent(event); + } + + @Override + public boolean onKeyDown(int keyCode, KeyEvent event) { + //根据按键的 Unicode 编码值来处理 + switch (keyCode) { + //更具用户按下的keyCode是进入还是删除来处理事件 + case KeyEvent.KEYCODE_ENTER: + if (mOnTextViewChangeListener != null) { + return false; + } + break; + case KeyEvent.KEYCODE_DEL: + mSelectionStartBeforeDelete = getSelectionStart(); + break; + default: + break; + } + //继续执行父类的其他点击事件 + return super.onKeyDown(keyCode, event); + } + + @Override + public boolean onKeyUp(int keyCode, KeyEvent event) { + //根据按键的 Unicode 编码值来处理，有删除和进入2种操作 + switch(keyCode) { + case KeyEvent.KEYCODE_DEL: + //当按键为删除键时，如果 mOnTextViewChangeListener 不为 null，则会检查当前光标位置是否为0且 mIndex不为0，则调用 + if (mOnTextViewChangeListener != null) { + if (0 == mSelectionStartBeforeDelete && mIndex != 0) { + mOnTextViewChangeListener.onEditTextDelete(mIndex, getText().toString()); + //利用上文OnTextViewChangeListener对KEYCODE_DEL按键情况的删除函数进行删除 + return true; + } + } else { + //否则，会在日志中输出一条信息，表示文本视图更改监听器未设置。 + Log.d(TAG, "OnTextViewChangeListener was not seted"); + } + break; + case KeyEvent.KEYCODE_ENTER: + //当按键为进入键时 + if (mOnTextViewChangeListener != null) { + int selectionStart = getSelectionStart(); + //获取当前位置 + String text = getText().subSequence(selectionStart, length()).toString(); + //获取当前文本 + setText(getText().subSequence(0, selectionStart)); + //根据获取位置设置当前文本 + mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text); + } else { + Log.d(TAG, "OnTextViewChangeListener was not seted"); + //其他情况报错，并输出文档的改动监听器并没有建立 + } + break; + default: + break; + } + return super.onKeyUp(keyCode, event); + } + + @Override + //焦点变化时处理事件 + //focused表示是否获得焦点 + //direction表示焦点变化的方向 + //previouslyFocusedRect表示之前获得焦点视图的位置 + protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { + + if (mOnTextViewChangeListener != null) { + //监听器已经建立 + if (!focused && TextUtils.isEmpty(getText())) { + //获取到焦点并且文本不为空 + mOnTextViewChangeListener.onTextChange(mIndex, false); + //false则隐藏事件选项 + } else { + mOnTextViewChangeListener.onTextChange(mIndex, true); + //true则显示事件选项 + } + } + //继续执行父类的其他焦点变化的事件 + super.onFocusChanged(focused, direction, previouslyFocusedRect); + } + + @Override + //用于生成上下文菜单 + protected void onCreateContextMenu(ContextMenu menu) { + //检查文本 + if (getText() instanceof Spanned) { + // 获取选定文本的起始和结束位置 + int selStart = getSelectionStart(); + int selEnd = getSelectionEnd(); + + // 计算选定文本的最小和最大位置 + int min = Math.min(selStart, selEnd); + int max = Math.max(selStart, selEnd); + + // 获取选定文本中的所有 URLSpan + final URLSpan[] urls = ((Spanned) getText()).getSpans(min, max, URLSpan.class); + //如果只有一个URLSpan + if (urls.length == 1) { + int defaultResId = 0; + //获取计划表中所有的key值 + for(String schema: sSchemaActionResMap.keySet()) { + //若url可以添加则在添加后将defaultResId置为key所映射的值 + if(urls[0].getURL().indexOf(schema) >= 0) { + defaultResId = sSchemaActionResMap.get(schema); + break; + } + } + + if (defaultResId == 0) { + defaultResId = R.string.note_link_other; + } + //在菜单中增加选项 + menu.add(0, 0, 0, defaultResId).setOnMenuItemClickListener( + new OnMenuItemClickListener() { + public boolean onMenuItemClick(MenuItem item) { + // goto a new intent + urls[0].onClick(NoteEditText.this); + return true; + } + }); + } + } + //执行父类的其他菜单创建事件 + super.onCreateContextMenu(menu); + } +} diff --git a/other/06_210140186 冯鑫珂_代码标注/ui/NoteItemData.java b/other/06_210140186 冯鑫珂_代码标注/ui/NoteItemData.java new file mode 100644 index 0000000..bcbf223 --- /dev/null +++ b/other/06_210140186 冯鑫珂_代码标注/ui/NoteItemData.java @@ -0,0 +1,236 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.content.Context; +import android.database.Cursor; +import android.text.TextUtils; + +import net.micode.notes.data.Contact; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.tool.DataUtils; +//上面代码导入了一些类 + +public class NoteItemData { + static final String [] PROJECTION = new String [] { + NoteColumns.ID, + NoteColumns.ALERTED_DATE, + NoteColumns.BG_COLOR_ID, + NoteColumns.CREATED_DATE, + NoteColumns.HAS_ATTACHMENT, + NoteColumns.MODIFIED_DATE, + NoteColumns.NOTES_COUNT, + NoteColumns.PARENT_ID, + NoteColumns.SNIPPET, + NoteColumns.TYPE, + NoteColumns.WIDGET_ID, + NoteColumns.WIDGET_TYPE, + }; + + //根据英文翻译理解 + private static final int ID_COLUMN = 0; + private static final int ALERTED_DATE_COLUMN = 1; + private static final int BG_COLOR_ID_COLUMN = 2; + private static final int CREATED_DATE_COLUMN = 3; + private static final int HAS_ATTACHMENT_COLUMN = 4; + private static final int MODIFIED_DATE_COLUMN = 5; + private static final int NOTES_COUNT_COLUMN = 6; + private static final int PARENT_ID_COLUMN = 7; + private static final int SNIPPET_COLUMN = 8; + private static final int TYPE_COLUMN = 9; + private static final int WIDGET_ID_COLUMN = 10; + private static final int WIDGET_TYPE_COLUMN = 11; + + private long mId; + private long mAlertDate; + private int mBgColorId; + private long mCreatedDate; + private boolean mHasAttachment; + private long mModifiedDate; + private int mNotesCount; + private long mParentId; + private String mSnippet; + private int mType; + private int mWidgetId; + private int mWidgetType; + private String mName; + private String mPhoneNumber; + + private boolean mIsLastItem; + private boolean mIsFirstItem; + private boolean mIsOnlyOneItem; + private boolean mIsOneNoteFollowingFolder; + private boolean mIsMultiNotesFollowingFolder; + + //初始化 + public NoteItemData(Context context, Cursor cursor) { + //获取属性值 + mId = cursor.getLong(ID_COLUMN); + mAlertDate = cursor.getLong(ALERTED_DATE_COLUMN); + mBgColorId = cursor.getInt(BG_COLOR_ID_COLUMN); + mCreatedDate = cursor.getLong(CREATED_DATE_COLUMN); + mHasAttachment = (cursor.getInt(HAS_ATTACHMENT_COLUMN) > 0) ? true : false; + mModifiedDate = cursor.getLong(MODIFIED_DATE_COLUMN); + mNotesCount = cursor.getInt(NOTES_COUNT_COLUMN); + mParentId = cursor.getLong(PARENT_ID_COLUMN); + mSnippet = cursor.getString(SNIPPET_COLUMN); + mSnippet = mSnippet.replace(NoteEditActivity.TAG_CHECKED, "").replace( + NoteEditActivity.TAG_UNCHECKED, ""); + mType = cursor.getInt(TYPE_COLUMN); + mWidgetId = cursor.getInt(WIDGET_ID_COLUMN); + mWidgetType = cursor.getInt(WIDGET_TYPE_COLUMN); + + //初始化电话号码信息 + mPhoneNumber = ""; + if (mParentId == Notes.ID_CALL_RECORD_FOLDER) {//如果nParentId等于Notes.ID_CALL_RECORD_FOLDER + mPhoneNumber = DataUtils.getCallNumberByNoteId(context.getContentResolver(), mId); + if (!TextUtils.isEmpty(mPhoneNumber)) {//mphonenumber里有符合字符串，则用contart功能连接 + mName = Contact.getContact(context, mPhoneNumber); + if (mName == null) { + mName = mPhoneNumber; + } + } + } + + if (mName == null) { + mName = ""; + } + //检查光标位置 + checkPostion(cursor); + } + + private void checkPostion(Cursor cursor) { + //检查当前行是否是最后一行是就设置mIsLastItem为true反之为false + mIsLastItem = cursor.isLast() ? true : false; + //检查当前行是否是第一行是就设置mIsFirstItem为true反之为false + mIsFirstItem = cursor.isFirst() ? true : false; + //检查是否是唯一一行 + mIsOnlyOneItem = (cursor.getCount() == 1); + mIsMultiNotesFollowingFolder = false; + mIsOneNoteFollowingFolder = false; + + if (mType == Notes.TYPE_NOTE && !mIsFirstItem) { //检查当前项是否为note而且不是第一行 + //获取当前行位置赋值给position + int position = cursor.getPosition(); + if (cursor.moveToPrevious()) { //获取光标位置后看上一行 + if (cursor.getInt(TYPE_COLUMN) == Notes.TYPE_FOLDER + || cursor.getInt(TYPE_COLUMN) == Notes.TYPE_SYSTEM) {//若光标满足系统或note格式 + if (cursor.getCount() > (position + 1)) {//如果行数大于位置+1则设置为true 表示是否为文件夹或系统类型后面的多行 + mIsMultiNotesFollowingFolder = true; + } else { //否则设置mIsOneNoteFollowingFolder为true 表示当前行是文件夹或系统类型后面的唯一一行 + mIsOneNoteFollowingFolder = true; + } + } + if (!cursor.moveToNext()) { //如果光标不能移动到下一行，则输出“移回先前位置但移动失败” + throw new IllegalStateException("cursor move to previous but can't move back"); + } + } + } + } + + //获取标记 + public boolean isOneFollowingFolder() { + return mIsOneNoteFollowingFolder; + } + + public boolean isMultiFollowingFolder() { + return mIsMultiNotesFollowingFolder; + } + + public boolean isLast() { + return mIsLastItem; + } + + public String getCallName() { + return mName; + } + + public boolean isFirst() { + return mIsFirstItem; + } + + public boolean isSingle() { + return mIsOnlyOneItem; + } + + public long getId() { + return mId; + } + + public long getAlertDate() { + return mAlertDate; + } + + public long getCreatedDate() { + return mCreatedDate; + } + + public boolean hasAttachment() { + return mHasAttachment; + } + + public long getModifiedDate() { + return mModifiedDate; + } + + public int getBgColorId() { + return mBgColorId; + } + + public long getParentId() { + return mParentId; + } + + public int getNotesCount() { + return mNotesCount; + } + + public long getFolderId () { + return mParentId; + } + + public int getType() { + return mType; + } + + public int getWidgetType() { + return mWidgetType; + } + + public int getWidgetId() { + return mWidgetId; + } + + public String getSnippet() { + return mSnippet; + } + + public boolean hasAlert() { + return (mAlertDate > 0); + } + + //若数据父id为保存至文件夹模式的id且满足电话号码单元不为空 + //则isCallRecord为true + public boolean isCallRecord() { + return (mParentId == Notes.ID_CALL_RECORD_FOLDER && !TextUtils.isEmpty(mPhoneNumber)); + } + + public static int getNoteType(Cursor cursor) { + return cursor.getInt(TYPE_COLUMN); + } +} diff --git a/other/06_210140186 冯鑫珂_代码标注/ui/NotesListActivity.java b/other/06_210140186 冯鑫珂_代码标注/ui/NotesListActivity.java new file mode 100644 index 0000000..c358dae --- /dev/null +++ b/other/06_210140186 冯鑫珂_代码标注/ui/NotesListActivity.java @@ -0,0 +1,1081 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.app.Activity; +import android.app.AlertDialog; +import android.app.Dialog; +import android.appwidget.AppWidgetManager; +import android.content.AsyncQueryHandler; +import android.content.ContentResolver; +import android.content.ContentValues; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.SharedPreferences; +import android.database.Cursor; +import android.os.AsyncTask; +import android.os.Bundle; +import android.preference.PreferenceManager; +import android.text.Editable; +import android.text.TextUtils; +import android.text.TextWatcher; +import android.util.Log; +import android.view.ActionMode; +import android.view.ContextMenu; +import android.view.ContextMenu.ContextMenuInfo; +import android.view.Display; +import android.view.HapticFeedbackConstants; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; +import android.view.MenuItem.OnMenuItemClickListener; +import android.view.MotionEvent; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.View.OnCreateContextMenuListener; +import android.view.View.OnTouchListener; +import android.view.inputmethod.InputMethodManager; +import android.widget.AdapterView; +import android.widget.AdapterView.OnItemClickListener; +import android.widget.AdapterView.OnItemLongClickListener; +import android.widget.Button; +import android.widget.EditText; +import android.widget.ListView; +import android.widget.PopupMenu; +import android.widget.TextView; +import android.widget.Toast; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.remote.GTaskSyncService; +import net.micode.notes.model.WorkingNote; +import net.micode.notes.tool.BackupUtils; +import net.micode.notes.tool.DataUtils; +import net.micode.notes.tool.ResourceParser; +import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; +import net.micode.notes.widget.NoteWidgetProvider_2x; +import net.micode.notes.widget.NoteWidgetProvider_4x; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.util.HashSet; + + +//主界面 +public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener { + //文件夹备注列表查询令牌 + private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; + //文件夹列表查询令牌 + private static final int FOLDER_LIST_QUERY_TOKEN = 1; + //菜单文件夹删除 + private static final int MENU_FOLDER_DELETE = 0; + //菜单文件夹视图 + private static final int MENU_FOLDER_VIEW = 1; + //菜单文件夹更改名称 + private static final int MENU_FOLDER_CHANGE_NAME = 2; + //首选项添加简介 // + private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; + + private enum ListEditState { + NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER + }; + + private ListEditState mState; + + private BackgroundQueryHandler mBackgroundQueryHandler; + + //便签列表适配器 + private NotesListAdapter mNotesListAdapter; + + private ListView mNotesListView; + + private Button mAddNewNote; + + private boolean mDispatch; + + private int mOriginY; + + private int mDispatchY; + + private TextView mTitleBar; + + //当前文件夹id + private long mCurrentFolderId; + + //内容解析程序 + private ContentResolver mContentResolver; + + //模式回调 + private ModeCallback mModeCallBack; + + private static final String TAG = "NotesListActivity"; + + public static final int NOTES_LISTVIEW_SCROLL_RATE = 30; + + private NoteItemData mFocusNoteDataItem; + + private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?"; + + private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>" + + Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR (" + + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND " + + NoteColumns.NOTES_COUNT + ">0)"; + + private final static int REQUEST_CODE_OPEN_NODE = 102; + private final static int REQUEST_CODE_NEW_NODE = 103; + + @Override + //创建类 第一次创建时系统调用此方法 + protected void onCreate(Bundle savedInstanceState) { + + //保存的实例状态 + super.onCreate(savedInstanceState); + //设置内容视图 + setContentView(R.layout.note_list); + //初始化资源 + initResources(); + + /** + * Insert an introduction when user firstly use this application + */ + + //调用 setAppInfoFromRawRes 方法来插入应用程序介绍 当用户第一次使用此应用程序时 + setAppInfoFromRawRes(); + } + + @Override + + // 返回一些子模块完成的数据交给主Activity处理 + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + //如果结果代码和结果OK值相等 且（requestCode 满足 请求代码打开节点或请求代码新建节点） + if (resultCode == RESULT_OK + && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { + mNotesListAdapter.changeCursor(null); + } else { + //否则调用父亲onActivityResult方法 + super.onActivityResult(requestCode, resultCode, data); + } + } + + //从原始资源中读取介绍文件并将其内容存储在一个StringBuilder对象中 + private void setAppInfoFromRawRes() { + // Android平台给我们提供了一个SharedPreferences类，它是一个轻量级的存储类，特别适合用于保存软件配置参数。 + SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this); + //查SharedPreferences对象中是否存在一个名为PREFERENCE_ADD_INTRODUCTION的布尔值。 + //如果该值不存在或为假，则执行以下操作 + if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) { + //创建一个名为sb的新的StringBuilder对象 + StringBuilder sb = new StringBuilder(); + InputStream in = null; + try { + //声明一个名为in的输入流变量并初始化为null + //使用getResources().openRawResource(R.raw.introduction)打开原始资源中名为“introduction”的文件 + //并将其存储在输入流变量in中 + in = getResources().openRawResource(R.raw.introduction); + if (in != null) {//如果in非空 + InputStreamReader isr = new InputStreamReader(in); + BufferedReader br = new BufferedReader(isr); + char [] buf = new char[1024]; + int len = 0; + //表示将字符数组buf中从索引0开始， + //长度为len的子数组添加到StringBuilder对象sb的末尾 + while ((len = br.read(buf)) > 0) { + sb.append(buf, 0, len); + } + } else {//否则使用Log.e方法记录一条错误消息并返回 + Log.e(TAG, "Read introduction file error"); + return; + } + } catch (IOException e) { + e.printStackTrace(); + return; + } finally { + if(in != null) { + //若不为空尝试关闭输入流且捕捉可能发生的IOException异常 + try { + in.close(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + } + + // 创建空的WorkingNote + WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, + AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, + ResourceParser.RED); + note.setWorkingText(sb.toString()); + if (note.saveNote()) { + // 更新保存note的信息 + sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); + } else { + Log.e(TAG, "Save introduction note error"); + return; + } + } + } + + @Override + //先调用父类onStart方法 + //然后调用startAsyncNotesListQuery方法 + protected void onStart() { + super.onStart(); + startAsyncNotesListQuery(); + } + + + private void initResources() { + //获取内容解析器（ContentResolve）的数据，得到类似数据表的东西 + mContentResolver = this.getContentResolver(); + mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); + mCurrentFolderId = Notes.ID_ROOT_FOLDER; + + // findViewById 是安卓编程的定位函数，主要是引用.R文件里的引用名 + mNotesListView = (ListView) findViewById(R.id.notes_list); + mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), + null, false); + + //为ListView设置OnItemClickListener和OnItemLongClickListener监听器 + mNotesListView.setOnItemClickListener(new OnListItemClickListener()); + mNotesListView.setOnItemLongClickListener(this); + //创建一个新的NotesListAdapter对象并将其存储在名为mNotesListAdapter的变量中 + mNotesListAdapter = new NotesListAdapter(this); + mNotesListView.setAdapter(mNotesListAdapter); + + //获取布局文件activity中ID为btn_new_note的按钮（Button）对象 + mAddNewNote = (Button) findViewById(R.id.btn_new_note); + mAddNewNote.setOnClickListener(this); + mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener()); + mDispatch = false; + mDispatchY = 0; + mOriginY = 0; + mTitleBar = (TextView) findViewById(R.id.tv_title_bar); + mState = ListEditState.NOTE_LIST; + mModeCallBack = new ModeCallback(); + } + + // 实现了ListView.MultiChoiceModeListener 和 OnMenuItemClickListener接口 + private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener { + //包含三个私有变量 + private DropdownMenu mDropDownMenu; + private ActionMode mActionMode; + private MenuItem mMoveMenu; + + //创建ActionMode + public boolean onCreateActionMode(ActionMode mode, Menu menu) { + getMenuInflater().inflate(R.menu.note_list_options, menu); + menu.findItem(R.id.delete).setOnMenuItemClickListener(this); + mMoveMenu = menu.findItem(R.id.move); + if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER + || DataUtils.getUserFolderCount(mContentResolver) == 0) { + mMoveMenu.setVisible(false); + } else { + mMoveMenu.setVisible(true); + mMoveMenu.setOnMenuItemClickListener(this); + } + mActionMode = mode; + mNotesListAdapter.setChoiceMode(true); + mNotesListView.setLongClickable(false); + mAddNewNote.setVisibility(View.GONE); + + View customView = LayoutInflater.from(NotesListActivity.this).inflate( + R.layout.note_list_dropdown_menu, null); + mode.setCustomView(customView); + mDropDownMenu = new DropdownMenu(NotesListActivity.this, + (Button) customView.findViewById(R.id.selection_menu), + R.menu.note_list_dropdown); + mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){ + public boolean onMenuItemClick(MenuItem item) { + mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); + updateMenu(); + return true; + } + + }); + //创建成功则返回true + return true; + } + + //更新菜单 + private void updateMenu() { + int selectedCount = mNotesListAdapter.getSelectedCount(); + // Update dropdown menu + String format = getResources().getString(R.string.menu_select_title, selectedCount); + mDropDownMenu.setTitle(format);//设置标题 + MenuItem item = mDropDownMenu.findItem(R.id.action_select_all); + if (item != null) { //若项目非空 + //检查列表适配器是否已经选择了所有列表项 + if (mNotesListAdapter.isAllSelected()) { + item.setChecked(true); + item.setTitle(R.string.menu_deselect_all); + } else { + item.setChecked(false); + item.setTitle(R.string.menu_select_all); + } + } + } + + public boolean onPrepareActionMode(ActionMode mode, Menu menu) { + // TODO Auto-generated method stub + return false; + } + + public boolean onActionItemClicked(ActionMode mode, MenuItem item) { + // TODO Auto-generated method stub + return false; + } + + public void onDestroyActionMode(ActionMode mode) { + mNotesListAdapter.setChoiceMode(false); + mNotesListView.setLongClickable(true); + mAddNewNote.setVisibility(View.VISIBLE); + } + + //完成操作模式 + public void finishActionMode() { + mActionMode.finish(); + } + + //项目状态检查已更改 + public void onItemCheckedStateChanged(ActionMode mode, int position, long id, + boolean checked) { + mNotesListAdapter.setCheckedItem(position, checked); + //更新菜单 + updateMenu(); + } + + //菜单项目点击 + public boolean onMenuItemClick(MenuItem item) { + //获取已选择的列表项数量 + if (mNotesListAdapter.getSelectedCount() == 0) { + //如果等于0则使用Toast.makeText方法显示一条提示消息 + //返回true + Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none), + Toast.LENGTH_SHORT).show(); + return true; + } + + //检测菜单ID + switch (item.getItemId()) { + case R.id.delete: + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); + builder.setTitle(getString(R.string.alert_title_delete)); + builder.setIcon(android.R.drawable.ic_dialog_alert); + builder.setMessage(getString(R.string.alert_message_delete_notes, + mNotesListAdapter.getSelectedCount())); + builder.setPositiveButton(android.R.string.ok, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, + int which) { + batchDelete(); + } + }); + builder.setNegativeButton(android.R.string.cancel, null); + builder.show(); + break; + case R.id.move: + startQueryDestinationFolders(); + break; + default: + return false; + } + //返回true表示已经成功处理了菜单点击事件 + return true; + } + } + + + //已有注释 + private class NewNoteOnTouchListener implements OnTouchListener { + + public boolean onTouch(View v, MotionEvent event) { + switch (event.getAction()) { + case MotionEvent.ACTION_DOWN: { + Display display = getWindowManager().getDefaultDisplay(); + int screenHeight = display.getHeight(); + int newNoteViewHeight = mAddNewNote.getHeight(); + int start = screenHeight - newNoteViewHeight; + int eventY = start + (int) event.getY(); + /** + * Minus TitleBar's height + */ + if (mState == ListEditState.SUB_FOLDER) { + eventY -= mTitleBar.getHeight(); + start -= mTitleBar.getHeight(); + } + /** + * HACKME:When click the transparent part of "New Note" button, dispatch + * the event to the list view behind this button. The transparent part of + * "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel） + * and the line top of the button. The coordinate based on left of the "New + * Note" button. The 94 represents maximum height of the transparent part. + * Notice that, if the background of the button changes, the formula should + * also change. This is very bad, just for the UI designer's strong requirement. + */ + if (event.getY() < (event.getX() * (-0.12) + 94)) { + View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1 + - mNotesListView.getFooterViewsCount()); + if (view != null && view.getBottom() > start + && (view.getTop() < (start + 94))) { + mOriginY = (int) event.getY(); + mDispatchY = eventY; + event.setLocation(event.getX(), mDispatchY); + mDispatch = true; + return mNotesListView.dispatchTouchEvent(event); + } + } + break; + } + case MotionEvent.ACTION_MOVE: { + if (mDispatch) { + mDispatchY += (int) event.getY() - mOriginY; + event.setLocation(event.getX(), mDispatchY); + return mNotesListView.dispatchTouchEvent(event); + } + break; + } + default: { + if (mDispatch) { + event.setLocation(event.getX(), mDispatchY); + mDispatch = false; + return mNotesListView.dispatchTouchEvent(event); + } + break; + } + } + return false; + } + + }; + + //启动异步笔记列表查询 + private void startAsyncNotesListQuery() { + String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION + : NORMAL_SELECTION; + mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null, + Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] { + String.valueOf(mCurrentFolderId) + }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC"); + } + + //BackgroundQueryHandler类可能用于执行后台查询操 + private final class BackgroundQueryHandler extends AsyncQueryHandler { + public BackgroundQueryHandler(ContentResolver contentResolver) { + //调用父类的构造函数 + //后续代码可以使用ContentResolver对象来执行异步查询 + super(contentResolver); + } + + @Override + //处理查询结果 + protected void onQueryComplete(int token, Object cookie, Cursor cursor) { + switch (token) { + case FOLDER_NOTE_LIST_QUERY_TOKEN: + mNotesListAdapter.changeCursor(cursor); + break; + case FOLDER_LIST_QUERY_TOKEN: + if (cursor != null && cursor.getCount() > 0) { + showFolderListMenu(cursor); + } else { + Log.e(TAG, "Query folder failed"); + } + break; + default: + return; + } + } + } + + //显示文件夹列表菜单 接受一个Cursor对象 + private void showFolderListMenu(Cursor cursor) { + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); + builder.setTitle(R.string.menu_title_select_folder); + final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor); + builder.setAdapter(adapter, new DialogInterface.OnClickListener() { + + public void onClick(DialogInterface dialog, int which) { + DataUtils.batchMoveToFolder(mContentResolver, + mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which)); + Toast.makeText( + NotesListActivity.this, + getString(R.string.format_move_notes_to_folder, + mNotesListAdapter.getSelectedCount(), + adapter.getFolderName(NotesListActivity.this, which)), + Toast.LENGTH_SHORT).show(); + mModeCallBack.finishActionMode(); + } + }); + builder.show(); + } + + //创建新的便签 + private void createNewNote() { + Intent intent = new Intent(this, NoteEditActivity.class); + intent.setAction(Intent.ACTION_INSERT_OR_EDIT); + intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId); + this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE); + } + + //批量删除 + private void batchDelete() { + new AsyncTask>() { + protected HashSet doInBackground(Void... unused) { + HashSet widgets = mNotesListAdapter.getSelectedWidget(); + if (!isSyncMode()) { + // if not synced, delete notes directly + //如果未同步，直接删除文件夹 + if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter + .getSelectedItemIds())) { + } else { + Log.e(TAG, "Delete notes error, should not happens"); + } + } else { + // in sync mode, we'll move the deleted note into the trash + // 在同步模式下，我们会将已删除的笔记移入回收站 + // folder + if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter + .getSelectedItemIds(), Notes.ID_TRASH_FOLER)) { + Log.e(TAG, "Move notes to trash folder error, should not happens"); + } + } + //返回小部件 + return widgets; + } + + @Override + protected void onPostExecute(HashSet widgets) { + if (widgets != null) { + //应用程序微件属性 + //遍历这些对象并检查每个对象的 widgetId 和 widgetType 属性 + for (AppWidgetAttribute widget : widgets) { + if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) { + updateWidget(widget.widgetId, widget.widgetType); + } + } + } + //结束操作模式 + mModeCallBack.finishActionMode(); + } + }.execute(); + } + + //删除文件夹 + private void deleteFolder(long folderId) { + if (folderId == Notes.ID_ROOT_FOLDER) { + Log.e(TAG, "Wrong folder id, should not happen " + folderId); + return; + } + + HashSet ids = new HashSet(); + ids.add(folderId); + HashSet widgets = DataUtils.getFolderNoteWidget(mContentResolver, + folderId); + if (!isSyncMode()) { + // if not synced, delete folder directly + ////如果未同步，直接删除文件夹 + DataUtils.batchDeleteNotes(mContentResolver, ids); + } else { + // in sync mode, we'll move the deleted folder into the trash folder + // 在同步模式下，我们会将已删除的文件夹移动到垃圾箱文件夹中 + DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER); + } + if (widgets != null) { + for (AppWidgetAttribute widget : widgets) { + if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) { + updateWidget(widget.widgetId, widget.widgetType); + } + } + } + } + + //打开结点 + private void openNode(NoteItemData data) { + Intent intent = new Intent(this, NoteEditActivity.class); + intent.setAction(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, data.getId()); + this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE); + } + + //打开菜单 + private void openFolder(NoteItemData data) { + //获取当前文件夹id + mCurrentFolderId = data.getId(); + //调用异步查询 + startAsyncNotesListQuery(); + if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {//如果是 + //将 mState 设置为 ListEditState.CALL_RECORD_FOLDER + //并将 mAddNewNote 视图设置为不可见 + mState = ListEditState.CALL_RECORD_FOLDER; + mAddNewNote.setVisibility(View.GONE); + } else {//否则 + //将 mState 设置为 ListEditState.SUB_FOLDER + mState = ListEditState.SUB_FOLDER; + } + if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {//如果等于 + //则将标题栏的文本设置为字符串资源 R.string.call_record_folder_name + mTitleBar.setText(R.string.call_record_folder_name); + } else {//否则获取代码段 + mTitleBar.setText(data.getSnippet()); + } + //最后，将标题栏设置为可见 + mTitleBar.setVisibility(View.VISIBLE); + } + + public void onClick(View v) { + switch (v.getId()) { + //如果id等于R.id.btn_new_note + //创建新便签 + case R.id.btn_new_note: + createNewNote(); + break; + default: + break; + } + } + + //显示软输入 + private void showSoftInput() { + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); + if (inputMethodManager != null) { + inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0); + } + } + + //隐藏软输入 + private void hideSoftInput(View view) { + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); + inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0); + } + + //显示创建或修改文件夹对话框 + private void showCreateOrModifyFolderDialog(final boolean create) { + final AlertDialog.Builder builder = new AlertDialog.Builder(this); + View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null); + final EditText etName = (EditText) view.findViewById(R.id.et_foler_name); + showSoftInput(); + if (!create) { + if (mFocusNoteDataItem != null) { + etName.setText(mFocusNoteDataItem.getSnippet()); + builder.setTitle(getString(R.string.menu_folder_change_name)); + } else { + Log.e(TAG, "The long click data item is null"); + return; + } + } else { + etName.setText(""); + builder.setTitle(this.getString(R.string.menu_create_folder)); + } + + builder.setPositiveButton(android.R.string.ok, null); + builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + hideSoftInput(etName); + } + }); + + final Dialog dialog = builder.setView(view).show(); + final Button positive = (Button)dialog.findViewById(android.R.id.button1); + positive.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + hideSoftInput(etName); + String name = etName.getText().toString(); + if (DataUtils.checkVisibleFolderName(mContentResolver, name)) { + Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name), + Toast.LENGTH_LONG).show(); + etName.setSelection(0, etName.length()); + return; + } + if (!create) { + if (!TextUtils.isEmpty(name)) { + ContentValues values = new ContentValues(); + values.put(NoteColumns.SNIPPET, name); + values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); + values.put(NoteColumns.LOCAL_MODIFIED, 1); + mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID + + "=?", new String[] { + String.valueOf(mFocusNoteDataItem.getId()) + }); + } + } else if (!TextUtils.isEmpty(name)) { + ContentValues values = new ContentValues(); + values.put(NoteColumns.SNIPPET, name); + values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); + mContentResolver.insert(Notes.CONTENT_NOTE_URI, values); + } + dialog.dismiss(); + } + }); + + if (TextUtils.isEmpty(etName.getText())) { + positive.setEnabled(false); + } + /** + * When the name edit text is null, disable the positive button + 当名称编辑文本为空时，禁用正按钮 + */ + + //添加文本更改监听器 + etName.addTextChangedListener(new TextWatcher() { + public void beforeTextChanged(CharSequence s, int start, int count, int after) { + // TODO Auto-generated method stub + + } + + public void onTextChanged(CharSequence s, int start, int before, int count) { + if (TextUtils.isEmpty(etName.getText())) { + //设置关闭 + positive.setEnabled(false); + } else {//设置启用 + positive.setEnabled(true); + } + } + + public void afterTextChanged(Editable s) { + // TODO Auto-generated method stub + + } + }); + } + + @Override + //按下返回键时调用 + //按返回键时根据情况更改类中的数据 + public void onBackPressed() { + switch (mState) { + case SUB_FOLDER: //等于SUB_FOLDER + //将 mCurrentFolderId 设置为 Notes.ID_ROOT_FOLDER + //将 mState 设置为 ListEditState.NOTE_LIST + //调用 startAsyncNotesListQuery 方法来启动异步查询 + //并将标题栏设置为不可见 + mCurrentFolderId = Notes.ID_ROOT_FOLDER; + mState = ListEditState.NOTE_LIST; + startAsyncNotesListQuery(); + mTitleBar.setVisibility(View.GONE); + break; + case CALL_RECORD_FOLDER: //等于CALL_RECORD_FOLDER（通话记录文件夹） + //则将 mCurrentFolderId 设置为 Notes.ID_ROOT_FOLDER + //将 mState 设置为 ListEditState.NOTE_LIST + //将 mAddNewNote 视图设置为可见，将标题栏设置为不可见 + //并调用 startAsyncNotesListQuery 方法来启动异步查询 + mCurrentFolderId = Notes.ID_ROOT_FOLDER; + mState = ListEditState.NOTE_LIST; + mAddNewNote.setVisibility(View.VISIBLE); + mTitleBar.setVisibility(View.GONE); + startAsyncNotesListQuery(); + break; + case NOTE_LIST: //等于NOTE_LIST，调用父类的 onBackPressed 方法 + super.onBackPressed(); + break; + default: //否则，不执行任何操作 + break; + } + } + + //更新widget + private void updateWidget(int appWidgetId, int appWidgetType) { + Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); + if (appWidgetType == Notes.TYPE_WIDGET_2X) { + //放大两倍 + intent.setClass(this, NoteWidgetProvider_2x.class); + } else if (appWidgetType == Notes.TYPE_WIDGET_4X) { + //放大四倍 + intent.setClass(this, NoteWidgetProvider_4x.class); + } else { + Log.e(TAG, "Unspported widget type"); + return; + } + + intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { + appWidgetId + }); + + sendBroadcast(intent); + setResult(RESULT_OK, intent); + } + + + //声明监听器，建立菜单，包括名称，视图，删除操作，更改名称操作 + private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() { + public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { + if (mFocusNoteDataItem != null) { + menu.setHeaderTitle(mFocusNoteDataItem.getSnippet()); + menu.add(0, MENU_FOLDER_VIEW, 0, R.string.menu_folder_view); + menu.add(0, MENU_FOLDER_DELETE, 0, R.string.menu_folder_delete); + menu.add(0, MENU_FOLDER_CHANGE_NAME, 0, R.string.menu_folder_change_name); + } + } + }; + + @Override + //上下文菜单关闭时调用 + public void onContextMenuClosed(Menu menu) { + if (mNotesListView != null) { + mNotesListView.setOnCreateContextMenuListener(null); + } + super.onContextMenuClosed(menu); + } + + @Override + //选择某个上下文菜单时被调用 + public boolean onContextItemSelected(MenuItem item) { + if (mFocusNoteDataItem == null) { //如果为空输出The long click data item is null"并返回false + Log.e(TAG, "The long click data item is null"); + return false; + } + switch (item.getItemId()) { + case MENU_FOLDER_VIEW: + //打开文件夹 + openFolder(mFocusNoteDataItem); + break; + case MENU_FOLDER_DELETE: + //如果等于"MENU_FOLDER_DELETE" + //则创建一个警告对话框来提示用户删除文件夹 + //并在用户确认删除后调用 deleteFolder 方法来删除文件夹 + AlertDialog.Builder builder = new AlertDialog.Builder(this); + builder.setTitle(getString(R.string.alert_title_delete)); + builder.setIcon(android.R.drawable.ic_dialog_alert); + builder.setMessage(getString(R.string.alert_message_delete_folder)); + builder.setPositiveButton(android.R.string.ok, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + deleteFolder(mFocusNoteDataItem.getId()); + } + }); + builder.setNegativeButton(android.R.string.cancel, null); + builder.show();//显示对话框 + break; + case MENU_FOLDER_CHANGE_NAME: + showCreateOrModifyFolderDialog(false); + break; + default: + //否则不执行操作 + break; + } + + return true; + } + + @Override + //准备选项菜单 + public boolean onPrepareOptionsMenu(Menu menu) { + menu.clear(); + if (mState == ListEditState.NOTE_LIST) { + getMenuInflater().inflate(R.menu.note_list, menu); + // set sync or sync_cancel + //设置同步或同步取消 + menu.findItem(R.id.menu_sync).setTitle( + GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync); + } else if (mState == ListEditState.SUB_FOLDER) { + getMenuInflater().inflate(R.menu.sub_folder, menu); + } else if (mState == ListEditState.CALL_RECORD_FOLDER) { + getMenuInflater().inflate(R.menu.call_record_folder, menu); + } else { + Log.e(TAG, "Wrong state:" + mState); + } + return true; + } + + @Override + //所选选项项 + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + case R.id.menu_new_folder: { + showCreateOrModifyFolderDialog(true); + break; + } + case R.id.menu_export_text: { + exportNoteToText(); + break; + } + case R.id.menu_sync: { + if (isSyncMode()) { + if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) { + GTaskSyncService.startSync(this); + } else { + GTaskSyncService.cancelSync(this); + } + } else { + startPreferenceActivity(); + } + break; + } + case R.id.menu_setting: {//启动首选项活动 + startPreferenceActivity(); + break; + } + case R.id.menu_new_note: {//创建新便签 + createNewNote(); + break; + } + case R.id.menu_search: //已请求搜索 + onSearchRequested(); + break; + default: + break; + } + return true; + } + + @Override + //调用startSearch函数 + public boolean onSearchRequested() { + startSearch(null, false, null /* appData */, false); + return true; + } + + //实现将便签导出到文本功能 + private void exportNoteToText() { + final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); + new AsyncTask() { + + @Override + protected Integer doInBackground(Void... unused) { + return backup.exportToText(); + } + + @Override + protected void onPostExecute(Integer result) { + if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) { + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); + builder.setTitle(NotesListActivity.this + .getString(R.string.failed_sdcard_export)); + builder.setMessage(NotesListActivity.this + .getString(R.string.error_sdcard_unmounted)); + builder.setPositiveButton(android.R.string.ok, null); + builder.show(); + } else if (result == BackupUtils.STATE_SUCCESS) { + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); + builder.setTitle(NotesListActivity.this + .getString(R.string.success_sdcard_export)); + builder.setMessage(NotesListActivity.this.getString( + R.string.format_exported_file_location, backup + .getExportedTextFileName(), backup.getExportedTextFileDir())); + builder.setPositiveButton(android.R.string.ok, null); + builder.show(); + } else if (result == BackupUtils.STATE_SYSTEM_ERROR) { + AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); + builder.setTitle(NotesListActivity.this + .getString(R.string.failed_sdcard_export)); + builder.setMessage(NotesListActivity.this + .getString(R.string.error_sdcard_export)); + builder.setPositiveButton(android.R.string.ok, null); + builder.show(); + } + } + + }.execute(); + } + + //判断是否正在同步 + private boolean isSyncMode() { + return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; + } + + //跳转到PreferenceActivity界面 + private void startPreferenceActivity() { + Activity from = getParent() != null ? getParent() : this; + Intent intent = new Intent(from, NotesPreferenceActivity.class); + from.startActivityIfNeeded(intent, -1); + } + + //实现对便签列表项的点击事件（短按） + private class OnListItemClickListener implements OnItemClickListener { + + public void onItemClick(AdapterView parent, View view, int position, long id) { + if (view instanceof NotesListItem) { + NoteItemData item = ((NotesListItem) view).getItemData(); + if (mNotesListAdapter.isInChoiceMode()) { + if (item.getType() == Notes.TYPE_NOTE) { + position = position - mNotesListView.getHeaderViewsCount(); + mModeCallBack.onItemCheckedStateChanged(null, position, id, + !mNotesListAdapter.isSelectedItem(position)); + } + return; + } + + switch (mState) { + case NOTE_LIST: + if (item.getType() == Notes.TYPE_FOLDER + || item.getType() == Notes.TYPE_SYSTEM) { + openFolder(item); + } else if (item.getType() == Notes.TYPE_NOTE) { + openNode(item); + } else { + Log.e(TAG, "Wrong note type in NOTE_LIST"); + } + break; + case SUB_FOLDER: + case CALL_RECORD_FOLDER: + if (item.getType() == Notes.TYPE_NOTE) { + openNode(item); + } else { + Log.e(TAG, "Wrong note type in SUB_FOLDER"); + } + break; + default: + break; + } + } + } + + } + + //开始查询目标文件夹 + private void startQueryDestinationFolders() { + String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?"; + selection = (mState == ListEditState.NOTE_LIST) ? selection: + "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")"; + + mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN, + null, + Notes.CONTENT_NOTE_URI, + FoldersListAdapter.PROJECTION, + selection, + new String[] { + String.valueOf(Notes.TYPE_FOLDER), + String.valueOf(Notes.ID_TRASH_FOLER), + String.valueOf(mCurrentFolderId) + }, + NoteColumns.MODIFIED_DATE + " DESC"); + } + + // 长按某一项时进行的操作 + // 如果长按的是便签，则通过ActionMode菜单实现；如果长按的是文件夹，则通过ContextMenu菜单实现； + public boolean onItemLongClick(AdapterView parent, View view, int position, long id) { + if (view instanceof NotesListItem) { + mFocusNoteDataItem = ((NotesListItem) view).getItemData(); + if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) { + if (mNotesListView.startActionMode(mModeCallBack) != null) { + mModeCallBack.onItemCheckedStateChanged(null, position, id, true); + mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); + } else { + Log.e(TAG, "startActionMode fails"); + } + } else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) { + mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener); + } + } + return false; + } +} diff --git a/other/06_210140186 冯鑫珂_代码标注/ui/NotesListAdapter.java b/other/06_210140186 冯鑫珂_代码标注/ui/NotesListAdapter.java new file mode 100644 index 0000000..d580932 --- /dev/null +++ b/other/06_210140186 冯鑫珂_代码标注/ui/NotesListAdapter.java @@ -0,0 +1,215 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.content.Context; +import android.database.Cursor; +import android.util.Log; +import android.view.View; +import android.view.ViewGroup; +import android.widget.CursorAdapter; + +import net.micode.notes.data.Notes; + +import java.util.Collection; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; + + +//便签列表适配器 +//实现鼠标和编辑便签链接的桥梁 +public class NotesListAdapter extends CursorAdapter { + private static final String TAG = "NotesListAdapter"; + private Context mContext; + private HashMap mSelectedIndex; //所选索引 + private int mNotesCount; //便签数量 + private boolean mChoiceMode; //选择模式 + + public static class AppWidgetAttribute { + public int widgetId; + public int widgetType; + }; + + //初始化NotesListAdapter + public NotesListAdapter(Context context) { + super(context, null); //置空父类对象 + mSelectedIndex = new HashMap(); //更新哈希表 + mContext = context; + mNotesCount = 0; + } + + @Override + //新建视图来保存光标指向内容 + public View newView(Context context, Cursor cursor, ViewGroup parent) { + //新建项目选项 + return new NotesListItem(context); + } + + @Override + //绑定视图 将视图于光标进行捆绑 + public void bindView(View view, Context context, Cursor cursor) { + if (view instanceof NotesListItem) { + //检查视图是否为NotesListItem类型 + //是的话则创建一个新的 NoteItemData 对象并使用它来绑定视图 + NoteItemData itemData = new NoteItemData(context, cursor); + ((NotesListItem) view).bind(context, itemData, mChoiceMode, + isSelectedItem(cursor.getPosition())); + } + } + + //设置勾选框 + public void setCheckedItem(final int position, final boolean checked) { + //根据position，checked来设置下标 + mSelectedIndex.put(position, checked); + //刷新activity + notifyDataSetChanged(); + } + + //判断是否处于选择模式 + public boolean isInChoiceMode() { + return mChoiceMode; + } + + //设置选择模式 + public void setChoiceMode(boolean mode) { + mSelectedIndex.clear(); + mChoiceMode = mode; + } + + //选择全部选项 + public void selectAll(boolean checked) { + //获取光标位置 + Cursor cursor = getCursor(); + for (int i = 0; i < getCount(); i++) { + //遍历所有光标可用的位置在判断为便签类型之后勾选单项框 + if (cursor.moveToPosition(i)) { + if (NoteItemData.getNoteType(cursor) == Notes.TYPE_NOTE) { + setCheckedItem(i, checked); + } + } + } + } + + //建立选择项的下标列表 + public HashSet getSelectedItemIds() { + HashSet itemSet = new HashSet();//哈希表 + for (Integer position : mSelectedIndex.keySet()) {//遍历 mSelectedIndex 变量中的所有位置 + if (mSelectedIndex.get(position) == true) {//如果光标位置为true + Long id = getItemId(position); + if (id == Notes.ID_ROOT_FOLDER) { + Log.d(TAG, "Wrong item id, should not happen"); + } else {//否则添加到itemSet中 + itemSet.add(id); + } + } + } + + return itemSet; + } + + //建立桌面Widget的选项表 + public HashSet getSelectedWidget() { + HashSet itemSet = new HashSet(); + for (Integer position : mSelectedIndex.keySet()) { + if (mSelectedIndex.get(position) == true) { + Cursor c = (Cursor) getItem(position); + if (c != null) { + //光标非空则建立widget并编辑下标和类型 + AppWidgetAttribute widget = new AppWidgetAttribute(); + NoteItemData item = new NoteItemData(mContext, c); + widget.widgetId = item.getWidgetId(); + widget.widgetType = item.getWidgetType(); + //添加到itemSet + itemSet.add(widget); + /** + * Don't close cursor here, only the adapter could close it + * 不要在此处关闭光标，只有适配器可以关闭它 + */ + } else { + Log.e(TAG, "Invalid cursor"); + return null; + } + } + } + return itemSet; + } + + //获取选项个数 + public int getSelectedCount() { + //获取下标值 + Collection values = mSelectedIndex.values(); + if (null == values) { //values为空返回0 + return 0; + } + //初始化 + Iterator iter = values.iterator(); + int count = 0; + while (iter.hasNext()) { + if (true == iter.next()) { + count++; + } + } + return count; + } + + //判断是否被全部选中 + public boolean isAllSelected() { + int checkedCount = getSelectedCount(); + //返回比较是否检查数等于便签数且不为0 + return (checkedCount != 0 && checkedCount == mNotesCount); + } + + //判断是否为选项表 + public boolean isSelectedItem(final int position) { + //获取的光标位置是否为空 + if (null == mSelectedIndex.get(position)) { + return false; + } + return mSelectedIndex.get(position); + } + + @Override + //在适配器内容发生更改时调用计算便签数量 + protected void onContentChanged() { + super.onContentChanged(); + calcNotesCount(); + } + + @Override + //光标更改时计算便签数量 + public void changeCursor(Cursor cursor) { + super.changeCursor(cursor); + calcNotesCount(); + } + + //计算便签数量 + private void calcNotesCount() { + mNotesCount = 0; + for (int i = 0; i < getCount(); i++) { + Cursor c = (Cursor) getItem(i); + if (c != null) { + if (NoteItemData.getNoteType(c) == Notes.TYPE_NOTE) { + mNotesCount++; + } + } else { + Log.e(TAG, "Invalid cursor"); + return; + } + } + } +} diff --git a/other/06_210140186 冯鑫珂_代码标注/ui/NotesListItem.java b/other/06_210140186 冯鑫珂_代码标注/ui/NotesListItem.java new file mode 100644 index 0000000..477a821 --- /dev/null +++ b/other/06_210140186 冯鑫珂_代码标注/ui/NotesListItem.java @@ -0,0 +1,136 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.content.Context; +import android.text.format.DateUtils; +import android.view.View; +import android.widget.CheckBox; +import android.widget.ImageView; +import android.widget.LinearLayout; +import android.widget.TextView; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.tool.DataUtils; +import net.micode.notes.tool.ResourceParser.NoteItemBgResources; + + +//创建便签列表项目选项 +public class NotesListItem extends LinearLayout { + private ImageView mAlert; //警报 + private TextView mTitle; //标题 + private TextView mTime; //时间 + private TextView mCallName; //呼叫名称 + private NoteItemData mItemData; //数据 + private CheckBox mCheckBox; //✔框 + + //初始化 + public NotesListItem(Context context) { + //调整调用父类构造函数的顺序 + super(context); + inflate(context, R.layout.note_item, this); + //findViewById 查找现有试图 + mAlert = (ImageView) findViewById(R.id.iv_alert_icon); + mTitle = (TextView) findViewById(R.id.tv_title); + mTime = (TextView) findViewById(R.id.tv_time); + mCallName = (TextView) findViewById(R.id.tv_name); + mCheckBox = (CheckBox) findViewById(android.R.id.checkbox); + } + + //根据data的属性对各个控件的属性的控制，主要是可见性Visibility，内容setText，格式setTextAppearance + public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) { + if (choiceMode && data.getType() == Notes.TYPE_NOTE) { + mCheckBox.setVisibility(View.VISIBLE); //设置为可见 + mCheckBox.setChecked(checked); //打勾 + } else {//否则被隐藏 + mCheckBox.setVisibility(View.GONE); + } + + //根据data来设置 + mItemData = data; + if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { + //隐藏呼叫名称视图 + mCallName.setVisibility(View.GONE); + //显示报警视图 + mAlert.setVisibility(View.VISIBLE); + //设置文本外观 + mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); + mTitle.setText(context.getString(R.string.call_record_folder_name) + + context.getString(R.string.format_folder_files_count, data.getNotesCount())); + mAlert.setImageResource(R.drawable.call_record); + } else if (data.getParentId() == Notes.ID_CALL_RECORD_FOLDER) { + mCallName.setVisibility(View.VISIBLE); + mCallName.setText(data.getCallName()); + mTitle.setTextAppearance(context,R.style.TextAppearanceSecondaryItem); + mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); + if (data.hasAlert()) { + mAlert.setImageResource(R.drawable.clock); + mAlert.setVisibility(View.VISIBLE); + } else { + mAlert.setVisibility(View.GONE); + } + } else { + mCallName.setVisibility(View.GONE); + mTitle.setTextAppearance(context, R.style.TextAppearancePrimaryItem); + + if (data.getType() == Notes.TYPE_FOLDER) { + mTitle.setText(data.getSnippet() + + context.getString(R.string.format_folder_files_count, + data.getNotesCount())); + mAlert.setVisibility(View.GONE); + } else { + mTitle.setText(DataUtils.getFormattedSnippet(data.getSnippet())); + if (data.hasAlert()) { + mAlert.setImageResource(R.drawable.clock); + mAlert.setVisibility(View.VISIBLE); + } else { + mAlert.setVisibility(View.GONE); + } + } + } + //设置内容，获取相关时间，从data里编辑的日期中获取 + mTime.setText(DateUtils.getRelativeTimeSpanString(data.getModifiedDate())); + + setBackground(data); + } + + //传入data设置背景 + private void setBackground(NoteItemData data) { + int id = data.getBgColorId(); + //如果是Notes.TYPE_NOTE + if (data.getType() == Notes.TYPE_NOTE) { + //如果是单个且只有一个文件夹 + if (data.isSingle() || data.isOneFollowingFolder()) { + setBackgroundResource(NoteItemBgResources.getNoteBgSingleRes(id)); + } else if (data.isLast()) { //如果是最后一个数据 + setBackgroundResource(NoteItemBgResources.getNoteBgLastRes(id)); + } else if (data.isFirst() || data.isMultiFollowingFolder()) { //如果是一个数据且有多个子文件夹 + setBackgroundResource(NoteItemBgResources.getNoteBgFirstRes(id)); + } else { + setBackgroundResource(NoteItemBgResources.getNoteBgNormalRes(id)); + } + } else { + //若非note则获取文件夹背景来源 + setBackgroundResource(NoteItemBgResources.getFolderBgRes()); + } + } + + public NoteItemData getItemData() { + return mItemData; + } +} diff --git a/other/06_210140186 冯鑫珂_代码标注/ui/NotesPreferenceActivity.java b/other/06_210140186 冯鑫珂_代码标注/ui/NotesPreferenceActivity.java new file mode 100644 index 0000000..f9950dd --- /dev/null +++ b/other/06_210140186 冯鑫珂_代码标注/ui/NotesPreferenceActivity.java @@ -0,0 +1,469 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.accounts.Account; +import android.accounts.AccountManager; +import android.app.ActionBar; +import android.app.AlertDialog; +import android.content.BroadcastReceiver; +import android.content.ContentValues; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.IntentFilter; +import android.content.SharedPreferences; +import android.os.Bundle; +import android.preference.Preference; +import android.preference.Preference.OnPreferenceClickListener; +import android.preference.PreferenceActivity; +import android.preference.PreferenceCategory; +import android.text.TextUtils; +import android.text.format.DateFormat; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.widget.Button; +import android.widget.TextView; +import android.widget.Toast; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.remote.GTaskSyncService; + +//NotesPreferenceActivity其中包含应用程序的偏好设置 +//用户可以通过这个列表来更改应用程序的设置 +//主要实现的是对背景颜色和字体大小的数据储存 +//继承自 PreferenceActivity 类 +public class NotesPreferenceActivity extends PreferenceActivity { + public static final String PREFERENCE_NAME = "notes_preferences"; //首选便签 + + public static final String PREFERENCE_SYNC_ACCOUNT_NAME = "pref_key_account_name"; //同步账号 + + public static final String PREFERENCE_LAST_SYNC_TIME = "pref_last_sync_time"; //同步时间 + + public static final String PREFERENCE_SET_BG_COLOR_KEY = "pref_key_bg_random_appear"; + + private static final String PREFERENCE_SYNC_ACCOUNT_KEY = "pref_sync_account_key";//同步密码 + + private static final String AUTHORITIES_FILTER_KEY = "authorities";//本地密码 + + private PreferenceCategory mAccountCategory; //账户类别 + + private GTaskReceiver mReceiver; //任务接收器 + + private Account[] mOriAccounts;//账户 + + private boolean mHasAddedAccount; //账户hash标记 + + @Override + //创建 + protected void onCreate(Bundle icicle) { + //调用父类的 onCreate 方法并传入保存的实例状态 + super.onCreate(icicle); + + /* using the app icon for navigation */ + //使用应用程序图标进行导航 + //设置返回图标 + getActionBar().setDisplayHomeAsUpEnabled(true); + + //从资源添加首选项 + //添加xml来源并显示 xml + addPreferencesFromResource(R.xml.preferences); + //根据同步账户关键码来初始化分组 + mAccountCategory = (PreferenceCategory) findPreference(PREFERENCE_SYNC_ACCOUNT_KEY); + mReceiver = new GTaskReceiver(); + IntentFilter filter = new IntentFilter(); + filter.addAction(GTaskSyncService.GTASK_SERVICE_BROADCAST_NAME); + registerReceiver(mReceiver, filter); + + mOriAccounts = null; + //获取listvivew并在listview组件上方添加其他组件 + View header = LayoutInflater.from(this).inflate(R.layout.settings_header, null); + getListView().addHeaderView(header, null, true); + } + + @Override + // + protected void onResume() { + //执行父类 + super.onResume(); + + // need to set sync account automatically if user has added a new + //如果用户添加了新的同步帐户，则需要自动设置同步帐户 + // account + //如果为真 + if (mHasAddedAccount) { + //获取谷歌账户 + Account[] accounts = getGoogleAccounts(); + //若原账户不为空且账户数量有增加 + if (mOriAccounts != null && accounts.length > mOriAccounts.length) { + //遍历 accounts 中的每个帐户 + for (Account accountNew : accounts) { + //如果没有找到相同名称的账户，就调用setSyncAccount 方法并传入新帐户的名称 + boolean found = false; + for (Account accountOld : mOriAccounts) { + if (TextUtils.equals(accountOld.name, accountNew.name)) { + found = true; + break; + } + } + if (!found) { + setSyncAccount(accountNew.name); + break; + } + } + } + } + //刷新UI + refreshUI(); + } + + @Override + //摧毁 + protected void onDestroy() { + if (mReceiver != null) { + unregisterReceiver(mReceiver); //注销接收器 + } + //调用父类 + super.onDestroy(); + } + + //加载帐户首选项 + private void loadAccountPreference() { + //删除所有首选项 + mAccountCategory.removeAll(); + + Preference accountPref = new Preference(this); + //获取默认账户名称 + final String defaultAccount = getSyncAccountName(this); + //设置帐户首选项的标题和摘要文本 + accountPref.setTitle(getString(R.string.preferences_account_title)); + accountPref.setSummary(getString(R.string.preferences_account_summary)); + accountPref.setOnPreferenceClickListener(new OnPreferenceClickListener() { + //为帐户首选项设置一个点击监听器 + public boolean onPreferenceClick(Preference preference) { + if (!GTaskSyncService.isSyncing()) { + if (TextUtils.isEmpty(defaultAccount)) { + // the first time to set account + //显示选择帐户的警告对话框 + showSelectAccountAlertDialog(); + } else { + // if the account has already been set, we need to promp + //如果帐户已经设置，我们需要 promp + // user about the risk + //展示更改警示对话框 + showChangeAccountConfirmAlertDialog(); + } + } else { + Toast.makeText(NotesPreferenceActivity.this, + R.string.preferences_toast_cannot_change_account, Toast.LENGTH_SHORT) + .show(); + } + return true; + } + }); + //最后，将帐户首选项添加到成员变量 mAccountCategory 中 + mAccountCategory.addPreference(accountPref); + } + + //设置按键的状态和最后同步的时间 + private void loadSyncButton() { + //查找同步按钮和最后同步时间视图 + Button syncButton = (Button) findViewById(R.id.preference_sync_button); + TextView lastSyncTimeView = (TextView) findViewById(R.id.prefenerece_sync_status_textview); + + // set button stat //设置按钮状态 + //若在同步状态 + if (GTaskSyncService.isSyncing()) { + //设置同步按钮的文本为取消同步 + syncButton.setText(getString(R.string.preferences_button_sync_cancel)); + //并为按钮设置一个点击监听器 + syncButton.setOnClickListener(new View.OnClickListener() { + public void onClick(View v) { + GTaskSyncService.cancelSync(NotesPreferenceActivity.this); + } + }); + } else { + //否则设置同步按钮的文本为立即同步 + //并为按钮设置一个点击监听器，当用户点击按钮时，监听器会调用 GTaskSyncService.startSync 方法并传入当前活动来开始同步 + syncButton.setText(getString(R.string.preferences_button_sync_immediately)); + syncButton.setOnClickListener(new View.OnClickListener() { + public void onClick(View v) { + GTaskSyncService.startSync(NotesPreferenceActivity.this); + } + }); + } + syncButton.setEnabled(!TextUtils.isEmpty(getSyncAccountName(this))); + + // set last sync time + //设置最终同步时间 + if (GTaskSyncService.isSyncing()) { + lastSyncTimeView.setText(GTaskSyncService.getProgressString()); + lastSyncTimeView.setVisibility(View.VISIBLE); + } else { + //若非同步 + long lastSyncTime = getLastSyncTime(this); + if (lastSyncTime != 0) { + //若不为0则设置最后同步时间视图的文本并将其设置为可见 + lastSyncTimeView.setText(getString(R.string.preferences_last_sync_time, + DateFormat.format(getString(R.string.preferences_last_sync_time_format), + lastSyncTime))); + lastSyncTimeView.setVisibility(View.VISIBLE); + } else { + //否则，将其设置为隐藏 + lastSyncTimeView.setVisibility(View.GONE); + } + } + } + + //更新界面 + private void refreshUI() { + loadAccountPreference(); + loadSyncButton(); + } + + //显示账户选择的对话框并进行账户的设置 + private void showSelectAccountAlertDialog() { + //创建一个对话框 + AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); + + View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); + TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); + titleTextView.setText(getString(R.string.preferences_dialog_select_account_title)); + TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); + //设置标题以及子标题的内容 + subtitleTextView.setText(getString(R.string.preferences_dialog_select_account_tips)); + + dialogBuilder.setCustomTitle(titleView); + dialogBuilder.setPositiveButton(null, null); + + //获取账户 + //获取账户名称 + Account[] accounts = getGoogleAccounts(); + String defAccount = getSyncAccountName(this); + + mOriAccounts = accounts; + mHasAddedAccount = false; + + //如果账户数量不是0 + if (accounts.length > 0) { + CharSequence[] items = new CharSequence[accounts.length]; + final CharSequence[] itemMapping = items; + int checkedItem = -1; + int index = 0; + for (Account account : accounts) { + if (TextUtils.equals(account.name, defAccount)) { + //在账户列表中查询到所需账户 + checkedItem = index; + } + items[index++] = account.name; + } + //设置一个单选框 + dialogBuilder.setSingleChoiceItems(items, checkedItem, + //新建一个列表监听器 + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + setSyncAccount(itemMapping[which].toString()); + dialog.dismiss();//取消对话框 + refreshUI();//更新界面 + } + }); + } + //给新加账户对话框设置自定义样式 + View addAccountView = LayoutInflater.from(this).inflate(R.layout.add_account_text, null); + dialogBuilder.setView(addAccountView); + + //显示对话框 + final AlertDialog dialog = dialogBuilder.show(); + //添加账户账户对话框监听器 + addAccountView.setOnClickListener(new View.OnClickListener() { + public void onClick(View v) { + //账户哈希表置为true + mHasAddedAccount = true; + //建立网络建立组件 + Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS"); + intent.putExtra(AUTHORITIES_FILTER_KEY, new String[] { + "gmail-ls" + }); + //跳回上一个选项 + startActivityForResult(intent, -1); + dialog.dismiss(); + } + }); + } + + //显示账户选择对话框和相关账户操作 + private void showChangeAccountConfirmAlertDialog() { + //创建对话框 + AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); + + View titleView = LayoutInflater.from(this).inflate(R.layout.account_dialog_title, null); + TextView titleTextView = (TextView) titleView.findViewById(R.id.account_dialog_title); + titleTextView.setText(getString(R.string.preferences_dialog_change_account_title, + getSyncAccountName(this))); + TextView subtitleTextView = (TextView) titleView.findViewById(R.id.account_dialog_subtitle); + //根据同步修改的账户信息设置标题以及子标题的内容 + subtitleTextView.setText(getString(R.string.preferences_dialog_change_account_warn_msg)); + //设置对话框的自定义标题 + dialogBuilder.setCustomTitle(titleView); + + //定义字符串 + CharSequence[] menuItemArray = new CharSequence[] { + getString(R.string.preferences_menu_change_account), + getString(R.string.preferences_menu_remove_account), + getString(R.string.preferences_menu_cancel) + }; + dialogBuilder.setItems(menuItemArray, new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + if (which == 0) { + showSelectAccountAlertDialog(); + } else if (which == 1) { //如果witch==1 //删除账户并且跟新便签界面 + removeSyncAccount(); + refreshUI(); + } + } + }); + //显示对话框 + dialogBuilder.show(); + } + + //获取谷歌账户 + private Account[] getGoogleAccounts() { + AccountManager accountManager = AccountManager.get(this); + return accountManager.getAccountsByType("com.google"); + } + + //设置同步账户 + private void setSyncAccount(String account) { + //假如该账号不在同步账号列表中 + if (!getSyncAccountName(this).equals(account)) { + SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); + SharedPreferences.Editor editor = settings.edit(); + if (account != null) { + editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, account); + } else { + editor.putString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); + } + //提交修改的数据 + editor.commit(); + + // clean up last sync time + //清理上次同步时间 + setLastSyncTime(this, 0); + + // clean up local gtask related info + // 清理本地 gtask 相关信息 + new Thread(new Runnable() { + public void run() { + ContentValues values = new ContentValues(); + values.put(NoteColumns.GTASK_ID, ""); + values.put(NoteColumns.SYNC_ID, 0); + getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); + } + }).start(); + + //将toast的文本信息置为“设置账户成功”并显示出来 + Toast.makeText(NotesPreferenceActivity.this, + getString(R.string.preferences_toast_success_set_accout, account), + Toast.LENGTH_SHORT).show(); + } + } + + + //删除同步账户 + private void removeSyncAccount() { + //设置共享首选项 + SharedPreferences settings = getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE); + SharedPreferences.Editor editor = settings.edit(); + if (settings.contains(PREFERENCE_SYNC_ACCOUNT_NAME)) {//假如当前首选项中有账户就删除 + editor.remove(PREFERENCE_SYNC_ACCOUNT_NAME); + } + //删除当前首选项中有账户时间 + if (settings.contains(PREFERENCE_LAST_SYNC_TIME)) { + editor.remove(PREFERENCE_LAST_SYNC_TIME); + } + //提交 + editor.commit(); + + // clean up local gtask related info + //清理本地 gtask 相关信息 + new Thread(new Runnable() { + public void run() { + ContentValues values = new ContentValues(); + values.put(NoteColumns.GTASK_ID, ""); + values.put(NoteColumns.SYNC_ID, 0); + getContentResolver().update(Notes.CONTENT_NOTE_URI, values, null, null); + } + }).start(); + } + + //获取同步账户名称 + public static String getSyncAccountName(Context context) { + SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, + Context.MODE_PRIVATE); + return settings.getString(PREFERENCE_SYNC_ACCOUNT_NAME, ""); + } + + //设置最终同步的时间 + public static void setLastSyncTime(Context context, long time) { + SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, + Context.MODE_PRIVATE); + // 从共享首选项中找到相关账户并获取其编辑器 + SharedPreferences.Editor editor = settings.edit(); + editor.putLong(PREFERENCE_LAST_SYNC_TIME, time); + editor.commit(); + } + + //获取最终同步时间 + public static long getLastSyncTime(Context context) { + SharedPreferences settings = context.getSharedPreferences(PREFERENCE_NAME, + Context.MODE_PRIVATE); + return settings.getLong(PREFERENCE_LAST_SYNC_TIME, 0); + } + + //接受同步信息 + private class GTaskReceiver extends BroadcastReceiver { + + @Override + public void onReceive(Context context, Intent intent) { + refreshUI(); + //获取随广播而来的Intent中的同步服务的数据 + //通过获取的数据在设置系统的状态 + if (intent.getBooleanExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_IS_SYNCING, false)) { + TextView syncStatus = (TextView) findViewById(R.id.prefenerece_sync_status_textview); + syncStatus.setText(intent + .getStringExtra(GTaskSyncService.GTASK_SERVICE_BROADCAST_PROGRESS_MSG)); + } + + } + } + //处理菜单的选项 + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + case android.R.id.home: + Intent intent = new Intent(this, NotesListActivity.class); + intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); + startActivity(intent); + return true; + default: + return false; + } + } +} diff --git a/other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider.java b/other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider.java new file mode 100644 index 0000000..d96f98a --- /dev/null +++ b/other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider.java @@ -0,0 +1,158 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +//abcdefgzjhcjrllw +//123456114514 + + + + +// 可以修改 //sadadsa +package net.micode.notes.widget; +import android.app.PendingIntent; +import android.appwidget.AppWidgetManager; +import android.appwidget.AppWidgetProvider; +import android.content.ContentValues; +import android.content.Context; +import android.content.Intent; +import android.database.Cursor; +import android.util.Log; +import android.widget.RemoteViews; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.tool.ResourceParser; +import net.micode.notes.ui.NoteEditActivity; +import net.micode.notes.ui.NotesListActivity; + + +//这段代码定义了一个名为NoteWidgetProvider的抽象类，它继承自AppWidgetProvider类。 +//NoteWidgetProvider类定义了一个名为PROJECTION的静态字符串数组，它包含三个元素：NoteColumns.ID、NoteColumns.BG_COLOR_ID和NoteColumns.SNIPPET。 +//这些元素可能用于定义查询数据库时需要返回的列。 +public abstract class NoteWidgetProvider extends AppWidgetProvider { + public static final String [] PROJECTION = new String [] { + NoteColumns.ID, + NoteColumns.BG_COLOR_ID, + NoteColumns.SNIPPET + }; + +//这段代码定义了四个静态常量。前三个常量COLUMN_ID、COLUMN_BG_COLOR_ID和COLUMN_SNIPPET分别被赋值为0、1和2。 +//这些常量可能用于定义查询数据库时需要返回的列的索引。 +//第四个常量TAG被赋值为字符串"NoteWidgetProvider"，它可能用于记录日志时标识日志来源。 + public static final int COLUMN_ID = 0; + public static final int COLUMN_BG_COLOR_ID = 1; + public static final int COLUMN_SNIPPET = 2; + + private static final String TAG = "NoteWidgetProvider"; + + @Override + //删除便签程序小部件 + public void onDeleted(Context context, int[] appWidgetIds) { + ContentValues values = new ContentValues(); + values.put(NoteColumns.WIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); + for (int i = 0; i < appWidgetIds.length; i++) { + context.getContentResolver().update(Notes.CONTENT_NOTE_URI, + values, + NoteColumns.WIDGET_ID + "=?", + new String[] { String.valueOf(appWidgetIds[i])}); + } + } + + //获取小部件信息 + private Cursor getNoteWidgetInfo(Context context, int widgetId) { + return context.getContentResolver().query(Notes.CONTENT_NOTE_URI, + PROJECTION, + NoteColumns.WIDGET_ID + "=? AND " + NoteColumns.PARENT_ID + "<>?", + new String[] { String.valueOf(widgetId), String.valueOf(Notes.ID_TRASH_FOLER) }, + null); + } + + //更新应用程序小部件 + protected void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { + update(context, appWidgetManager, appWidgetIds, false); + } + + //更新 + private void update(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds, + boolean privacyMode) { + //遍历所有小部件 ID + for (int i = 0; i < appWidgetIds.length; i++) { + //若有效 获取默认背景 ID 和一个空字符串作为 snippet + if (appWidgetIds[i] != AppWidgetManager.INVALID_APPWIDGET_ID) { + int bgId = ResourceParser.getDefaultBgId(context); + String snippet = ""; + //创建一个指向 NoteEditActivity 的意图 + Intent intent = new Intent(context, NoteEditActivity.class); + intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); + intent.putExtra(Notes.INTENT_EXTRA_WIDGET_ID, appWidgetIds[i]); + intent.putExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, getWidgetType()); + + //查询以获取有关该小部件的信息 + Cursor c = getNoteWidgetInfo(context, appWidgetIds[i]); + if (c != null && c.moveToFirst()) { + if (c.getCount() > 1) { + Log.e(TAG, "Multiple message with same widget id:" + appWidgetIds[i]); + c.close(); + return; + } + snippet = c.getString(COLUMN_SNIPPET); + bgId = c.getInt(COLUMN_BG_COLOR_ID); + intent.putExtra(Intent.EXTRA_UID, c.getLong(COLUMN_ID)); + intent.setAction(Intent.ACTION_VIEW); + } else {//它将 snippet 设置为默认文本，并将意图设置为插入或编辑操作 + snippet = context.getResources().getString(R.string.widget_havenot_content); + intent.setAction(Intent.ACTION_INSERT_OR_EDIT); + } + + if (c != null) { + c.close(); + } + + RemoteViews rv = new RemoteViews(context.getPackageName(), getLayoutId()); + rv.setImageViewResource(R.id.widget_bg_image, getBgResourceId(bgId)); + intent.putExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, bgId); + /** + * Generate the pending intent to start host for the widget + * 生成为小组件启动主机的挂起意图 + */ + PendingIntent pendingIntent = null; + if (privacyMode) { + rv.setTextViewText(R.id.widget_text, + context.getString(R.string.widget_under_visit_mode)); + pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], new Intent( + context, NotesListActivity.class), PendingIntent.FLAG_UPDATE_CURRENT); + } else { + rv.setTextViewText(R.id.widget_text, snippet); + pendingIntent = PendingIntent.getActivity(context, appWidgetIds[i], intent, + PendingIntent.FLAG_UPDATE_CURRENT); + } + + rv.setOnClickPendingIntent(R.id.widget_text, pendingIntent); + appWidgetManager.updateAppWidget(appWidgetIds[i], rv); + } + } + } + + //获取 Bg 资源标识 + protected abstract int getBgResourceId(int bgId); + + //获取布局标识 + protected abstract int getLayoutId(); + + //获取小部件类型 + protected abstract int getWidgetType(); +} diff --git a/other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider_2x.java b/other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider_2x.java new file mode 100644 index 0000000..8a607d6 --- /dev/null +++ b/other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider_2x.java @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.widget; + +import android.appwidget.AppWidgetManager; +import android.content.Context; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.tool.ResourceParser; + + +public class NoteWidgetProvider_2x extends NoteWidgetProvider { + @Override + public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { + // 调用父类的 update 方法 + super.update(context, appWidgetManager, appWidgetIds); + } + + @Override + protected int getLayoutId() { + //返回布局资源 ID + return R.layout.widget_2x; + } + + @Override + // 调用 ResourceParser.WidgetBgResources 类的静态方法 getWidget2xBgResource + protected int getBgResourceId(int bgId) { + return ResourceParser.WidgetBgResources.getWidget2xBgResource(bgId); + } + + @Override + //// 返回小部件类型常量 + protected int getWidgetType() { + return Notes.TYPE_WIDGET_2X; + } +} diff --git a/other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider_4x.java b/other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider_4x.java new file mode 100644 index 0000000..80c6548 --- /dev/null +++ b/other/06_210140186 冯鑫珂_代码标注/widget/NoteWidgetProvider_4x.java @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.widget; + +import android.appwidget.AppWidgetManager; +import android.content.Context; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.tool.ResourceParser; + +//同NoteWidgetProvider_2x + +public class NoteWidgetProvider_4x extends NoteWidgetProvider { + @Override + public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { + super.update(context, appWidgetManager, appWidgetIds); + } + + protected int getLayoutId() { + return R.layout.widget_4x; + } + + @Override + protected int getBgResourceId(int bgId) { + return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId); + } + + @Override + protected int getWidgetType() { + return Notes.TYPE_WIDGET_4X; + } +} diff --git a/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskASyncTask.java b/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskASyncTask.java new file mode 100644 index 0000000..3dba28d --- /dev/null +++ b/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskASyncTask.java @@ -0,0 +1,145 @@ + +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.remote; + +import android.app.Notification; +import android.app.NotificationManager; +import android.app.PendingIntent; +import android.content.Context; +import android.content.Intent; +import android.os.AsyncTask; + +import net.micode.notes.R; +import net.micode.notes.ui.NotesListActivity; +import net.micode.notes.ui.NotesPreferenceActivity; + + +public class GTaskASyncTask extends AsyncTask { //异步操作类，实现Gtask异步操作过程 + + private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; + + public interface OnCompleteListener { + void onComplete(); + } + + private Context mContext; + + private NotificationManager mNotifiManager; + + private GTaskManager mTaskManager; + + private OnCompleteListener mOnCompleteListener; + + public GTaskASyncTask(Context context, OnCompleteListener listener) { + mContext = context; + mOnCompleteListener = listener; + mNotifiManager = (NotificationManager) mContext + .getSystemService(Context.NOTIFICATION_SERVICE); + mTaskManager = GTaskManager.getInstance(); + } + + public void cancelSync() { + mTaskManager.cancelSync(); + } + + public void publishProgess(String message) {//发布进度单位，系统将会调用onProgressUpdate()方法更新这些值 + publishProgress(new String[] { + message + }); + } + +// private void showNotification(int tickerId, String content) { +// Notification notification = new Notification(R.drawable.notification, mContext +// .getString(tickerId), System.currentTimeMillis()); +// notification.defaults = Notification.DEFAULT_LIGHTS; +// notification.flags = Notification.FLAG_AUTO_CANCEL; +// PendingIntent pendingIntent; +// if (tickerId != R.string.ticker_success) { +// pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, +// NotesPreferenceActivity.class), 0); +// +// } else { +// pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, +// NotesListActivity.class), 0); +// } +// notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, +// pendingIntent); +// mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification); +// } + + private void showNotification(int tickerId, String content) {//向用户提示当前同步的状态，是一个交互的方法 + PendingIntent pendingIntent; + if (tickerId != R.string.ticker_success) {//如果同步不成功，那么从系统取得一个用于启动一个NotesPreferenceActivity的PendingIntent对象 + pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, + NotesPreferenceActivity.class), 0); + + } else {//如果同步成功，那么从系统取得一个用于启动一个NotesListActivity的PendingIntent对象 + pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, + NotesListActivity.class), 0); + } + + + Notification.Builder builder = new Notification.Builder(mContext) + .setAutoCancel(true) + .setContentTitle(mContext.getString(R.string.app_name)) + .setContentText(content) + .setContentIntent(pendingIntent) + .setWhen(System.currentTimeMillis()) + .setOngoing(true); + Notification notification=builder.getNotification(); + mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);//通过NotificationManager对象的notify（）方法来执行一个notification的消息 + } + @Override + protected Integer doInBackground(Void... unused) {//完成任务的主要工作 + publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity + .getSyncAccountName(mContext))); + return mTaskManager.sync(mContext, this); + } + + @Override + protected void onProgressUpdate(String... progress) {//显示任务执行进度，增加进度条的功能 + showNotification(R.string.ticker_syncing, progress[0]); + if (mContext instanceof GTaskSyncService) { + ((GTaskSyncService) mContext).sendBroadcast(progress[0]); + } + } + + @Override + protected void onPostExecute(Integer result) {//得到结果处理操作ui，管理操作ui的方式 + if (result == GTaskManager.STATE_SUCCESS) { + showNotification(R.string.ticker_success, mContext.getString( + R.string.success_sync_account, mTaskManager.getSyncAccount())); + NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); + } else if (result == GTaskManager.STATE_NETWORK_ERROR) { + showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); + } else if (result == GTaskManager.STATE_INTERNAL_ERROR) { + showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal)); + } else if (result == GTaskManager.STATE_SYNC_CANCELLED) { + showNotification(R.string.ticker_cancel, mContext + .getString(R.string.error_sync_cancelled)); + } + if (mOnCompleteListener != null) { + new Thread(new Runnable() { + + public void run() { + mOnCompleteListener.onComplete(); + }//完成后的操作，使用onComplete()将所有值都重新初始化，相当于完成一次操作 + }).start(); + } + } +} diff --git a/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskClient.java b/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskClient.java new file mode 100644 index 0000000..8152376 --- /dev/null +++ b/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskClient.java @@ -0,0 +1,612 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.remote; + +import android.accounts.Account; +import android.accounts.AccountManager; +import android.accounts.AccountManagerFuture; +import android.app.Activity; +import android.os.Bundle; +import android.text.TextUtils; +import android.util.Log; + +import net.micode.notes.gtask.data.Node; +import net.micode.notes.gtask.data.Task; +import net.micode.notes.gtask.data.TaskList; +import net.micode.notes.gtask.exception.ActionFailureException; +import net.micode.notes.gtask.exception.NetworkFailureException; +import net.micode.notes.tool.GTaskStringUtils; +import net.micode.notes.ui.NotesPreferenceActivity; + +import org.apache.http.HttpEntity; +import org.apache.http.HttpResponse; +import org.apache.http.client.ClientProtocolException; +import org.apache.http.client.entity.UrlEncodedFormEntity; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.client.methods.HttpPost; +import org.apache.http.cookie.Cookie; +import org.apache.http.impl.client.BasicCookieStore; +import org.apache.http.impl.client.DefaultHttpClient; +import org.apache.http.message.BasicNameValuePair; +import org.apache.http.params.BasicHttpParams; +import org.apache.http.params.HttpConnectionParams; +import org.apache.http.params.HttpParams; +import org.apache.http.params.HttpProtocolParams; +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.util.LinkedList; +import java.util.List; +import java.util.zip.GZIPInputStream; +import java.util.zip.Inflater; +import java.util.zip.InflaterInputStream; + +//主要功能：实现GTASK的登录操作，进行GTASK任务的创建，创建任务列表，从网络上获取任务和任务列表的内容 +public class GTaskClient { + private static final String TAG = GTaskClient.class.getSimpleName(); + + private static final String GTASK_URL = "https://mail.google.com/tasks/"; + + private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig"; + + private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig"; + + private static GTaskClient mInstance = null; + + private DefaultHttpClient mHttpClient; + + private String mGetUrl; + + private String mPostUrl; + + private long mClientVersion; + + private boolean mLoggedin; + + private long mLastLoginTime; + + private int mActionId; + + private Account mAccount; + + private JSONArray mUpdateArray; + + private GTaskClient() { + mHttpClient = null; + mGetUrl = GTASK_GET_URL; + mPostUrl = GTASK_POST_URL; + mClientVersion = -1; + mLoggedin = false; + mLastLoginTime = 0; + mActionId = 1; + mAccount = null; + mUpdateArray = null; + } + + public static synchronized GTaskClient getInstance() {//用来获取的实例化对象 + if (mInstance == null) { + mInstance = new GTaskClient(); + } + return mInstance; + } + + public boolean login(Activity activity) {//实现登录操作的函数，传入参数activity + // we suppose that the cookie would expire after 5 minutes + // then we need to re-login + final long interval = 1000 * 60 * 5;//判断最后一次登录是否超过五分钟 + if (mLastLoginTime + interval < System.currentTimeMillis()) { + mLoggedin = false; + } + + // need to re-login after account switch + // 重新登录 + if (mLoggedin + && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity + .getSyncAccountName(activity))) { + mLoggedin = false; + } + //如果没超时就不用登录 + if (mLoggedin) { + Log.d(TAG, "already logged in"); + return true; + } + + mLastLoginTime = System.currentTimeMillis();//更新登录时间即为系统时间 + String authToken = loginGoogleAccount(activity, false);//判断是否登录google账户 + if (authToken == null) { + Log.e(TAG, "login google account failed"); + return false; + } + + // login with custom domain if necessary + //尝试使用用户自己的域名登录 + if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()//将用户名改为统一格式后判断是否为googl账户 + .endsWith("googlemail.com"))) {// + StringBuilder url = new StringBuilder(GTASK_URL).append("a/"); + int index = mAccount.name.indexOf('@') + 1; + String suffix = mAccount.name.substring(index); + url.append(suffix + "/"); + mGetUrl = url.toString() + "ig";//设置用户对应的geturl + mPostUrl = url.toString() + "r/ig";//设置用户对应的posturl + + if (tryToLoginGtask(activity, authToken)) { + mLoggedin = true; + } + } + + // try to login with google official url + //如果用户无法登录使用官方的url进行登录 + if (!mLoggedin) { + mGetUrl = GTASK_GET_URL; + mPostUrl = GTASK_POST_URL; + if (!tryToLoginGtask(activity, authToken)) { + return false; + } + } + + mLoggedin = true; + return true; + } + //具体实现登录账户方法 + //使用令牌 + //使用accountmanager进行管理注册账号 + //返回账号的令牌 + private String loginGoogleAccount(Activity activity, boolean invalidateToken) {//使用令牌登录google账号 + String authToken; + AccountManager accountManager = AccountManager.get(activity);//提供给用户注册的接口 + Account[] accounts = accountManager.getAccountsByType("com.google");//获取全部以com.google结尾的account + + if (accounts.length == 0) { + Log.e(TAG, "there is no available google account"); + return null; + } + + String accountName = NotesPreferenceActivity.getSyncAccountName(activity); + Account account = null; + //查询是否已经注册过，查找注册库信息 + for (Account a : accounts) { + if (a.name.equals(accountName)) { + account = a; + break; + } + } + if (account != null) { + mAccount = account; + } else { + Log.e(TAG, "unable to get an account with the same name in the settings"); + return null; + } + + // get the token now + //获取选中账号的令牌 + AccountManagerFuture accountManagerFuture = accountManager.getAuthToken(account, + "goanna_mobile", null, activity, null, null); + try { + Bundle authTokenBundle = accountManagerFuture.getResult(); + authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); + if (invalidateToken) { + accountManager.invalidateAuthToken("com.google", authToken); + loginGoogleAccount(activity, false); + } + } catch (Exception e) { + Log.e(TAG, "get auth token failed"); + authToken = null; + } + + return authToken;//令牌 + } + //尝试登陆Gtask，这只是一个预先判断令牌是否是有效以及是否能登上GTask的方法,而不是具体实现登陆的方法 + private boolean tryToLoginGtask(Activity activity, String authToken) { + if (!loginGtask(authToken)) { + // maybe the auth token is out of date, now let's invalidate the + // token and try again + authToken = loginGoogleAccount(activity, true); + if (authToken == null) { + Log.e(TAG, "login google account failed"); + return false; + } + + if (!loginGtask(authToken)) { + Log.e(TAG, "login gtask failed"); + return false; + } + } + return true; + } + //实现登录GTask的具体操作 + private boolean loginGtask(String authToken) { + int timeoutConnection = 10000; + int timeoutSocket = 15000;//socket是一种通信连接实现数据的交换的端口 + HttpParams httpParameters = new BasicHttpParams(); + HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);//设置连接超时时间 + HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);//设置设置端口超时时间 + mHttpClient = new DefaultHttpClient(httpParameters); + BasicCookieStore localBasicCookieStore = new BasicCookieStore();//设置本地cookie + mHttpClient.setCookieStore(localBasicCookieStore); + HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); + + // login gtask + try { + String loginUrl = mGetUrl + "?auth=" + authToken;//设置登录的url + HttpGet httpGet = new HttpGet(loginUrl);//通过登录的uri实例化网页上资源的查找 + HttpResponse response = null; + response = mHttpClient.execute(httpGet); + + // get the cookie now + //获取CookieStore里存放的cookie + List cookies = mHttpClient.getCookieStore().getCookies(); + boolean hasAuthCookie = false; + for (Cookie cookie : cookies) { + if (cookie.getName().contains("GTL")) { + hasAuthCookie = true; + } + } + if (!hasAuthCookie) { + Log.w(TAG, "it seems that there is no auth cookie"); + } + + // get the client version + //获取client的内容，具体操作是在返回的Content中截取从_setup(开始到)}中间的字符串内容，也就是gtask_url的内容 + String resString = getResponseContent(response.getEntity()); + String jsBegin = "_setup("; + String jsEnd = ")}"; + int begin = resString.indexOf(jsBegin); + int end = resString.lastIndexOf(jsEnd); + String jsString = null; + if (begin != -1 && end != -1 && begin < end) { + jsString = resString.substring(begin + jsBegin.length(), end); + } + JSONObject js = new JSONObject(jsString); + mClientVersion = js.getLong("v"); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return false; + } catch (Exception e) { + // simply catch all exceptions + Log.e(TAG, "httpget gtask_url failed"); + return false; + } + + return true; + } + + private int getActionId() { + return mActionId++; + } + + private HttpPost createHttpPost() { + HttpPost httpPost = new HttpPost(mPostUrl); + httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); + httpPost.setHeader("AT", "1"); + return httpPost; + } + //通过URL获取响应后返回的数据，也就是网络上的数据和资源 + private String getResponseContent(HttpEntity entity) throws IOException { + String contentEncoding = null; + if (entity.getContentEncoding() != null) { + contentEncoding = entity.getContentEncoding().getValue(); + Log.d(TAG, "encoding: " + contentEncoding); + } + + InputStream input = entity.getContent(); + if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {//压缩数据库 + input = new GZIPInputStream(entity.getContent()); + } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) { + Inflater inflater = new Inflater(true); + input = new InflaterInputStream(entity.getContent(), inflater); + } + + try { + InputStreamReader isr = new InputStreamReader(input); + BufferedReader br = new BufferedReader(isr); + StringBuilder sb = new StringBuilder(); + + while (true) { + String buff = br.readLine(); + if (buff == null) { + return sb.toString(); + } + sb = sb.append(buff); + } + } finally { + input.close(); + } + } + //通过JSON发送请求，请求的具体内容在json的实例化对象js中然后传入 + // 利用UrlEncodedFormEntity entity和httpPost.setEntity(entity)方法把js中的内容放置到httpPost中 + //执行请求后使用getResponseContent方法得到返回的数据和资源 + // 将资源再次放入json后返回 + private JSONObject postRequest(JSONObject js) throws NetworkFailureException { + if (!mLoggedin) { + Log.e(TAG, "please login first"); + throw new ActionFailureException("not logged in"); + } + + HttpPost httpPost = createHttpPost(); + try { + LinkedList list = new LinkedList(); + list.add(new BasicNameValuePair("r", js.toString())); + UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); + httpPost.setEntity(entity); + + // execute the post + HttpResponse response = mHttpClient.execute(httpPost); + String jsString = getResponseContent(response.getEntity()); + return new JSONObject(jsString); + + } catch (ClientProtocolException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("postRequest failed"); + } catch (IOException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("postRequest failed"); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("unable to convert response content to jsonobject"); + } catch (Exception e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("error occurs when posting request"); + } + } + //创建单个任务，传入的参数是.gtask.data.task包里的task类对象，利用json获取task里的内容，并且创建相应的jsPost + public void createTask(Task task) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + + // action_list + actionList.put(task.getCreateAction(getActionId())); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + // client_version + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + // post + JSONObject jsResponse = postRequest(jsPost); + JSONObject jsResult = (JSONObject) jsResponse.getJSONArray( + GTaskStringUtils.GTASK_JSON_RESULTS).get(0); + task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("create task: handing jsonobject failed"); + } + } + //创建一个任务列表，与createTask几乎一样，区别就是最后设置的是tasklist的gid + public void createTaskList(TaskList tasklist) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + + // action_list + actionList.put(tasklist.getCreateAction(getActionId())); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + // client version + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + // post + JSONObject jsResponse = postRequest(jsPost); + JSONObject jsResult = (JSONObject) jsResponse.getJSONArray( + GTaskStringUtils.GTASK_JSON_RESULTS).get(0); + tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("create tasklist: handing jsonobject failed"); + } + } + //同步更新操作，使用jsonobject进行数据存储 + public void commitUpdate() throws NetworkFailureException { + if (mUpdateArray != null) { + try { + JSONObject jsPost = new JSONObject(); + + // action_list + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray); + + // client_version + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + postRequest(jsPost); + mUpdateArray = null; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("commit update: handing jsonobject failed"); + } + } + } + //添加更新事项 + public void addUpdateNode(Node node) throws NetworkFailureException { + if (node != null) { + // too many update items may result in an error + // set max to 10 items + if (mUpdateArray != null && mUpdateArray.length() > 10) { + commitUpdate(); + } + + if (mUpdateArray == null) + mUpdateArray = new JSONArray(); + mUpdateArray.put(node.getUpdateAction(getActionId())); + } + } + /* + * 移动task,比如讲task移动到不同的task列表中去 + * 通过getGid获取task所属列表的gid + * 通过JSONObject.put(String name, Object value)函数设置移动后的task的相关属性值，从而达到移动的目的 + * 最后还是通过postRequest进行更新后的发送 + */ + public void moveTask(Task task, TaskList preParent, TaskList curParent) + throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + JSONObject action = new JSONObject(); + + // action_list + action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE); + action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); + action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); + if (preParent == curParent && task.getPriorSibling() != null) { + // put prioring_sibing_id only if moving within the tasklist and + // it is not the first one + action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling()); + } + action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); + action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); + if (preParent != curParent) { + // put the dest_list only if moving between tasklists + action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid()); + } + actionList.put(action); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + // client_version + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + postRequest(jsPost); + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("move task: handing jsonobject failed"); + } + } + /* + * 删除操作节点 + * 还是利用JSON + * 删除过后使用postRequest发送删除后的结果 + */ + public void deleteNode(Node node) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + + // action_list + node.setDeleted(true); + actionList.put(node.getUpdateAction(getActionId())); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + // client_version + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + postRequest(jsPost); + mUpdateArray = null; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("delete node: handing jsonobject failed"); + } + } + /* + * 获取任务列表 + * 首先通过GetURI使用getResponseContent从网上获取数据 + * 然后筛选出"_setup("到)}的部分，并且从中获取GTASK_JSON_LISTS的内容返回 + */ + public JSONArray getTaskLists() throws NetworkFailureException { + if (!mLoggedin) { + Log.e(TAG, "please login first"); + throw new ActionFailureException("not logged in"); + } + + try { + HttpGet httpGet = new HttpGet(mGetUrl); + HttpResponse response = null; + response = mHttpClient.execute(httpGet); + + // get the task list + String resString = getResponseContent(response.getEntity()); + String jsBegin = "_setup("; + String jsEnd = ")}"; + int begin = resString.indexOf(jsBegin); + int end = resString.lastIndexOf(jsEnd); + String jsString = null; + if (begin != -1 && end != -1 && begin < end) { + jsString = resString.substring(begin + jsBegin.length(), end); + } + JSONObject js = new JSONObject(jsString); + return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS); + } catch (ClientProtocolException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("gettasklists: httpget failed"); + } catch (IOException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("gettasklists: httpget failed"); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("get task lists: handing jasonobject failed"); + } + } + //通过传入的TASKList的gid,从网络上获取相应属于这个任务列表的任务 + public JSONArray getTaskList(String listGid) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + JSONObject action = new JSONObject(); + + // action_list + action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL); + action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); + action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); + action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); + actionList.put(action); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + // client_version + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + JSONObject jsResponse = postRequest(jsPost); + return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("get task list: handing jsonobject failed"); + } + } + + public Account getSyncAccount() { + return mAccount; + } + + //重置更新的内容 + public void resetUpdateArray() { + mUpdateArray = null; + } +} diff --git a/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskManager.java b/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskManager.java new file mode 100644 index 0000000..0ac2575 --- /dev/null +++ b/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskManager.java @@ -0,0 +1,800 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.remote; + +import android.app.Activity; +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.Context; +import android.database.Cursor; +import android.util.Log; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.data.MetaData; +import net.micode.notes.gtask.data.Node; +import net.micode.notes.gtask.data.SqlNote; +import net.micode.notes.gtask.data.Task; +import net.micode.notes.gtask.data.TaskList; +import net.micode.notes.gtask.exception.ActionFailureException; +import net.micode.notes.gtask.exception.NetworkFailureException; +import net.micode.notes.tool.DataUtils; +import net.micode.notes.tool.GTaskStringUtils; + +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.Map; + + +public class GTaskManager { + private static final String TAG = GTaskManager.class.getSimpleName(); + + public static final int STATE_SUCCESS = 0; + + public static final int STATE_NETWORK_ERROR = 1; + + public static final int STATE_INTERNAL_ERROR = 2; + + public static final int STATE_SYNC_IN_PROGRESS = 3; + + public static final int STATE_SYNC_CANCELLED = 4; + + private static GTaskManager mInstance = null; + + private Activity mActivity; + + private Context mContext; + + private ContentResolver mContentResolver; + + private boolean mSyncing; + + private boolean mCancelled; + + private HashMap mGTaskListHashMap; + + private HashMap mGTaskHashMap; + + private HashMap mMetaHashMap; + + private TaskList mMetaList; + + private HashSet mLocalDeleteIdMap; + + private HashMap mGidToNid; + + private HashMap mNidToGid; + + private GTaskManager() { + mSyncing = false; //正在同步,flase代表未执行 + mCancelled = false; //全局标识，flase代表可以执行 + mGTaskListHashMap = new HashMap(); //<>代表Java的泛型,就是创建一个用类型作为参数的类。 + mGTaskHashMap = new HashMap(); + mMetaHashMap = new HashMap(); + mMetaList = null; + mLocalDeleteIdMap = new HashSet(); + mGidToNid = new HashMap(); //GoogleID to NodeID?? + mNidToGid = new HashMap(); //NodeID to GoogleID???通过hashmap散列表建立映射 + } + + public static synchronized GTaskManager getInstance() { + if (mInstance == null) { + mInstance = new GTaskManager(); + } + return mInstance; + } + //指明该函数可能运行在多线程的环境下 + public synchronized void setActivityContext(Activity activity) { + // used for getting authtoken + mActivity = activity; + } + //实现了本地同步操作和远端同步操作 + public int sync(Context context, GTaskASyncTask asyncTask) { + if (mSyncing) { + Log.d(TAG, "Sync is in progress"); + return STATE_SYNC_IN_PROGRESS; + } + mContext = context; + mContentResolver = mContext.getContentResolver(); + mSyncing = true; + mCancelled = false; + mGTaskListHashMap.clear(); + mGTaskHashMap.clear(); + mMetaHashMap.clear(); + mLocalDeleteIdMap.clear(); + mGidToNid.clear(); + mNidToGid.clear(); + + try { + GTaskClient client = GTaskClient.getInstance(); + client.resetUpdateArray(); + + // login google task + if (!mCancelled) { + if (!client.login(mActivity)) { + throw new NetworkFailureException("login google task failed"); + } + } + + // get the task list from google + asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list)); + initGTaskList(); + + // do content sync work + asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing)); + syncContent(); + } catch (NetworkFailureException e) { + Log.e(TAG, e.toString()); + return STATE_NETWORK_ERROR; + } catch (ActionFailureException e) { + Log.e(TAG, e.toString()); + return STATE_INTERNAL_ERROR; + } catch (Exception e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return STATE_INTERNAL_ERROR; + } finally { + mGTaskListHashMap.clear(); + mGTaskHashMap.clear(); + mMetaHashMap.clear(); + mLocalDeleteIdMap.clear(); + mGidToNid.clear(); + mNidToGid.clear(); + mSyncing = false; + } + + return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS; + } + //初始化GtaskList，获取Google上的JSONtasklist转为本地TaskList + private void initGTaskList() throws NetworkFailureException { + if (mCancelled) + return; + GTaskClient client = GTaskClient.getInstance(); + try { + JSONArray jsTaskLists = client.getTaskLists(); + + // init meta list first + mMetaList = null; + for (int i = 0; i < jsTaskLists.length(); i++) { + JSONObject object = jsTaskLists.getJSONObject(i); + String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); + String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); + + if (name + .equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) { + mMetaList = new TaskList(); + mMetaList.setContentByRemoteJSON(object); + + // load meta data + JSONArray jsMetas = client.getTaskList(gid); + for (int j = 0; j < jsMetas.length(); j++) { + object = (JSONObject) jsMetas.getJSONObject(j); + MetaData metaData = new MetaData(); + metaData.setContentByRemoteJSON(object); + if (metaData.isWorthSaving()) { + mMetaList.addChildTask(metaData); + if (metaData.getGid() != null) { + mMetaHashMap.put(metaData.getRelatedGid(), metaData); + } + } + } + } + } + + // create meta list if not existed + if (mMetaList == null) { + mMetaList = new TaskList(); + mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + + GTaskStringUtils.FOLDER_META); + GTaskClient.getInstance().createTaskList(mMetaList); + } + + // init task list + for (int i = 0; i < jsTaskLists.length(); i++) { + JSONObject object = jsTaskLists.getJSONObject(i); + String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); + String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); + + if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX) + && !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + + GTaskStringUtils.FOLDER_META)) { + TaskList tasklist = new TaskList(); + tasklist.setContentByRemoteJSON(object); + mGTaskListHashMap.put(gid, tasklist); + mGTaskHashMap.put(gid, tasklist); + + // load tasks + JSONArray jsTasks = client.getTaskList(gid); + for (int j = 0; j < jsTasks.length(); j++) { + object = (JSONObject) jsTasks.getJSONObject(j); + gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); + Task task = new Task(); + task.setContentByRemoteJSON(object); + if (task.isWorthSaving()) { + task.setMetaInfo(mMetaHashMap.get(gid)); + tasklist.addChildTask(task); + mGTaskHashMap.put(gid, task); + } + } + } + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("initGTaskList: handing JSONObject failed"); + } + } + //本地内容同步操作 + private void syncContent() throws NetworkFailureException { + int syncType; + Cursor c = null; + String gid; + Node node; + + mLocalDeleteIdMap.clear(); + + if (mCancelled) { + return; + } + + // for local deleted note + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, + "(type<>? AND parent_id=?)", new String[] { + String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER) + }, null); + if (c != null) { + while (c.moveToNext()) { + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + node = mGTaskHashMap.get(gid); + if (node != null) { + mGTaskHashMap.remove(gid); + doContentSync(Node.SYNC_ACTION_DEL_REMOTE, node, c); + } + + mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN)); + } + } else { + Log.w(TAG, "failed to query trash folder"); + } + } finally { + if (c != null) { + c.close(); + c = null; + } + } + + // sync folder first + syncFolder(); + + // for note existing in database + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, + "(type=? AND parent_id<>?)", new String[] { + String.valueOf(Notes.TYPE_NOTE), String.valueOf(Notes.ID_TRASH_FOLER) + }, NoteColumns.TYPE + " DESC"); + if (c != null) { + while (c.moveToNext()) { + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + node = mGTaskHashMap.get(gid); + if (node != null) { + mGTaskHashMap.remove(gid); + mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); + mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); + syncType = node.getSyncAction(c); + } else { + if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) { + // local add + syncType = Node.SYNC_ACTION_ADD_REMOTE; + } else { + // remote delete + syncType = Node.SYNC_ACTION_DEL_LOCAL; + } + } + doContentSync(syncType, node, c); + } + } else { + Log.w(TAG, "failed to query existing note in database"); + } + + } finally { + if (c != null) { + c.close(); + c = null; + } + } + + // go through remaining items + Iterator> iter = mGTaskHashMap.entrySet().iterator(); + while (iter.hasNext()) { + Map.Entry entry = iter.next(); + node = entry.getValue(); + doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null); + } + + // mCancelled can be set by another thread, so we neet to check one by + // one + // clear local delete table + if (!mCancelled) { + if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) { + throw new ActionFailureException("failed to batch-delete local deleted notes"); + } + } + + // refresh local sync id + if (!mCancelled) { + GTaskClient.getInstance().commitUpdate(); + refreshLocalSyncId(); + } + + } + + private void syncFolder() throws NetworkFailureException { + Cursor c = null; + String gid; + Node node; + int syncType; + + if (mCancelled) { + return; + } + + // for root folder + try { + c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, + Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null); + if (c != null) { + c.moveToNext(); + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + node = mGTaskHashMap.get(gid); + if (node != null) { + mGTaskHashMap.remove(gid); + mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER); + mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid); + // for system folder, only update remote name if necessary + if (!node.getName().equals( + GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) + doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c); + } else { + doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c); + } + } else { + Log.w(TAG, "failed to query root folder"); + } + } finally { + if (c != null) { + c.close(); + c = null; + } + } + + // for call-note folder + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)", + new String[] { + String.valueOf(Notes.ID_CALL_RECORD_FOLDER) + }, null); + if (c != null) { + if (c.moveToNext()) { + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + node = mGTaskHashMap.get(gid); + if (node != null) { + mGTaskHashMap.remove(gid); + mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER); + mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid); + // for system folder, only update remote name if + // necessary + if (!node.getName().equals( + GTaskStringUtils.MIUI_FOLDER_PREFFIX + + GTaskStringUtils.FOLDER_CALL_NOTE)) + doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c); + } else { + doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c); + } + } + } else { + Log.w(TAG, "failed to query call note folder"); + } + } finally { + if (c != null) { + c.close(); + c = null; + } + } + + // for local existing folders + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, + "(type=? AND parent_id<>?)", new String[] { + String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER) + }, NoteColumns.TYPE + " DESC"); + if (c != null) { + while (c.moveToNext()) { + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + node = mGTaskHashMap.get(gid); + if (node != null) { + mGTaskHashMap.remove(gid); + mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); + mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); + syncType = node.getSyncAction(c); + } else { + if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) { + // local add + syncType = Node.SYNC_ACTION_ADD_REMOTE; + } else { + // remote delete + syncType = Node.SYNC_ACTION_DEL_LOCAL; + } + } + doContentSync(syncType, node, c); + } + } else { + Log.w(TAG, "failed to query existing folder"); + } + } finally { + if (c != null) { + c.close(); + c = null; + } + } + + // for remote add folders + Iterator> iter = mGTaskListHashMap.entrySet().iterator(); + while (iter.hasNext()) { + Map.Entry entry = iter.next(); + gid = entry.getKey(); + node = entry.getValue(); + if (mGTaskHashMap.containsKey(gid)) { + mGTaskHashMap.remove(gid); + doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null); + } + } + + if (!mCancelled) + GTaskClient.getInstance().commitUpdate(); + } + //功能：syncType分类，addLocalNode，addRemoteNode，deleteNode，updateLocalNode，updateRemoteNode + private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + + MetaData meta; + switch (syncType) { + case Node.SYNC_ACTION_ADD_LOCAL: + addLocalNode(node); + break; + case Node.SYNC_ACTION_ADD_REMOTE: + addRemoteNode(node, c); + break; + case Node.SYNC_ACTION_DEL_LOCAL: + meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN)); + if (meta != null) { + GTaskClient.getInstance().deleteNode(meta); + } + mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN)); + break; + case Node.SYNC_ACTION_DEL_REMOTE: + meta = mMetaHashMap.get(node.getGid()); + if (meta != null) { + GTaskClient.getInstance().deleteNode(meta); + } + GTaskClient.getInstance().deleteNode(node); + break; + case Node.SYNC_ACTION_UPDATE_LOCAL: + updateLocalNode(node, c); + break; + case Node.SYNC_ACTION_UPDATE_REMOTE: + updateRemoteNode(node, c); + break; + case Node.SYNC_ACTION_UPDATE_CONFLICT: + // merging both modifications maybe a good idea + // right now just use local update simply + updateRemoteNode(node, c); + break; + case Node.SYNC_ACTION_NONE: + break; + case Node.SYNC_ACTION_ERROR: + default: + throw new ActionFailureException("unkown sync action type"); + } + } + //本地增加Node + private void addLocalNode(Node node) throws NetworkFailureException { + if (mCancelled) { + return; + } + + SqlNote sqlNote; + if (node instanceof TaskList) { + if (node.getName().equals( + GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) { + sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER); + } else if (node.getName().equals( + GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE)) { + sqlNote = new SqlNote(mContext, Notes.ID_CALL_RECORD_FOLDER); + } else { + sqlNote = new SqlNote(mContext); + sqlNote.setContent(node.getLocalJSONFromContent()); + sqlNote.setParentId(Notes.ID_ROOT_FOLDER); + } + } else { + sqlNote = new SqlNote(mContext); + JSONObject js = node.getLocalJSONFromContent(); + try { + if (js.has(GTaskStringUtils.META_HEAD_NOTE)) { + JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + if (note.has(NoteColumns.ID)) { + long id = note.getLong(NoteColumns.ID); + if (DataUtils.existInNoteDatabase(mContentResolver, id)) { + // the id is not available, have to create a new one + note.remove(NoteColumns.ID); + } + } + } + + if (js.has(GTaskStringUtils.META_HEAD_DATA)) { + JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); + for (int i = 0; i < dataArray.length(); i++) { + JSONObject data = dataArray.getJSONObject(i); + if (data.has(DataColumns.ID)) { + long dataId = data.getLong(DataColumns.ID); + if (DataUtils.existInDataDatabase(mContentResolver, dataId)) { + // the data id is not available, have to create + // a new one + data.remove(DataColumns.ID); + } + } + } + + } + } catch (JSONException e) { + Log.w(TAG, e.toString()); + e.printStackTrace(); + } + sqlNote.setContent(js); + + Long parentId = mGidToNid.get(((Task) node).getParent().getGid()); + if (parentId == null) { + Log.e(TAG, "cannot find task's parent id locally"); + throw new ActionFailureException("cannot add local node"); + } + sqlNote.setParentId(parentId.longValue()); + } + + // create the local node + sqlNote.setGtaskId(node.getGid()); + sqlNote.commit(false); + + // update gid-nid mapping + mGidToNid.put(node.getGid(), sqlNote.getId()); + mNidToGid.put(sqlNote.getId(), node.getGid()); + + // update meta + updateRemoteMeta(node.getGid(), sqlNote); + } + //功能：update本地node + private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + + SqlNote sqlNote; + // update the note locally + sqlNote = new SqlNote(mContext, c); + sqlNote.setContent(node.getLocalJSONFromContent()); + + Long parentId = (node instanceof Task) ? mGidToNid.get(((Task) node).getParent().getGid()) + : new Long(Notes.ID_ROOT_FOLDER); + if (parentId == null) { + Log.e(TAG, "cannot find task's parent id locally"); + throw new ActionFailureException("cannot update local node"); + } + sqlNote.setParentId(parentId.longValue()); + sqlNote.commit(true); + + // update meta info + updateRemoteMeta(node.getGid(), sqlNote); + } + //功能：远程增加Node + private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + + SqlNote sqlNote = new SqlNote(mContext, c); + Node n; + + // update remotely + if (sqlNote.isNoteType()) { + Task task = new Task(); + task.setContentByLocalJSON(sqlNote.getContent()); + + String parentGid = mNidToGid.get(sqlNote.getParentId()); + if (parentGid == null) { + Log.e(TAG, "cannot find task's parent tasklist"); + throw new ActionFailureException("cannot add remote task"); + } + mGTaskListHashMap.get(parentGid).addChildTask(task); + + GTaskClient.getInstance().createTask(task); + n = (Node) task; + + // add meta + updateRemoteMeta(task.getGid(), sqlNote); + } else { + TaskList tasklist = null; + + // we need to skip folder if it has already existed + String folderName = GTaskStringUtils.MIUI_FOLDER_PREFFIX; + if (sqlNote.getId() == Notes.ID_ROOT_FOLDER) + folderName += GTaskStringUtils.FOLDER_DEFAULT; + else if (sqlNote.getId() == Notes.ID_CALL_RECORD_FOLDER) + folderName += GTaskStringUtils.FOLDER_CALL_NOTE; + else + folderName += sqlNote.getSnippet(); + + Iterator> iter = mGTaskListHashMap.entrySet().iterator(); + while (iter.hasNext()) { + Map.Entry entry = iter.next(); + String gid = entry.getKey(); + TaskList list = entry.getValue(); + + if (list.getName().equals(folderName)) { + tasklist = list; + if (mGTaskHashMap.containsKey(gid)) { + mGTaskHashMap.remove(gid); + } + break; + } + } + + // no match we can add now + if (tasklist == null) { + tasklist = new TaskList(); + tasklist.setContentByLocalJSON(sqlNote.getContent()); + GTaskClient.getInstance().createTaskList(tasklist); + mGTaskListHashMap.put(tasklist.getGid(), tasklist); + } + n = (Node) tasklist; + } + + // update local note + sqlNote.setGtaskId(n.getGid()); + sqlNote.commit(false); + sqlNote.resetLocalModified(); + sqlNote.commit(true); + + // gid-id mapping + mGidToNid.put(n.getGid(), sqlNote.getId()); + mNidToGid.put(sqlNote.getId(), n.getGid()); + } + //功能：更新远端的Node，包含meta更新(updateRemoteMeta) + private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + + SqlNote sqlNote = new SqlNote(mContext, c); + + // update remotely + node.setContentByLocalJSON(sqlNote.getContent()); + GTaskClient.getInstance().addUpdateNode(node); + + // update meta + updateRemoteMeta(node.getGid(), sqlNote); + + // move task if necessary + if (sqlNote.isNoteType()) { + Task task = (Task) node; + TaskList preParentList = task.getParent(); + + String curParentGid = mNidToGid.get(sqlNote.getParentId()); + if (curParentGid == null) { + Log.e(TAG, "cannot find task's parent tasklist"); + throw new ActionFailureException("cannot update remote task"); + } + TaskList curParentList = mGTaskListHashMap.get(curParentGid); + + if (preParentList != curParentList) { + preParentList.removeChildTask(task); + curParentList.addChildTask(task); + GTaskClient.getInstance().moveTask(task, preParentList, curParentList); + } + } + + // clear local modified flag + sqlNote.resetLocalModified(); + sqlNote.commit(true); + } + //功能：升级远程meta。 meta---元数据----计算机文件系统管理数据---管理数据的数据 + private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException { + if (sqlNote != null && sqlNote.isNoteType()) { + MetaData metaData = mMetaHashMap.get(gid); + if (metaData != null) { + metaData.setMeta(gid, sqlNote.getContent()); + GTaskClient.getInstance().addUpdateNode(metaData); + } else { + metaData = new MetaData(); + metaData.setMeta(gid, sqlNote.getContent()); + mMetaList.addChildTask(metaData); + mMetaHashMap.put(gid, metaData); + GTaskClient.getInstance().createTask(metaData); + } + } + } + //功能：刷新本地，给sync的ID对应上最后更改过的对象 + private void refreshLocalSyncId() throws NetworkFailureException { + if (mCancelled) { + return; + } + + // get the latest gtask list + mGTaskHashMap.clear(); + mGTaskListHashMap.clear(); + mMetaHashMap.clear(); + initGTaskList(); + + Cursor c = null; + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, + "(type<>? AND parent_id<>?)", new String[] { + String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER) + }, NoteColumns.TYPE + " DESC"); + if (c != null) { + while (c.moveToNext()) { + String gid = c.getString(SqlNote.GTASK_ID_COLUMN); + Node node = mGTaskHashMap.get(gid); + if (node != null) { + mGTaskHashMap.remove(gid); + ContentValues values = new ContentValues(); + values.put(NoteColumns.SYNC_ID, node.getLastModified()); + mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, + c.getLong(SqlNote.ID_COLUMN)), values, null, null); + } else { + Log.e(TAG, "something is missed"); + throw new ActionFailureException( + "some local items don't have gid after sync"); + } + } + } else { + Log.w(TAG, "failed to query local note to refresh sync id"); + } + } finally { + if (c != null) { + c.close(); + c = null; + } + } + } + //功能：获取同步账号,mAccount.name + public String getSyncAccount() { + return GTaskClient.getInstance().getSyncAccount().name; + } + + public void cancelSync() { + mCancelled = true; + } +} diff --git a/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskSyncService.java b/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskSyncService.java new file mode 100644 index 0000000..5a3df9b --- /dev/null +++ b/other/06_211240141 陈景睿_代码标注/gtask/remote/GTaskSyncService.java @@ -0,0 +1,128 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.remote; + +import android.app.Activity; +import android.app.Service; +import android.content.Context; +import android.content.Intent; +import android.os.Bundle; +import android.os.IBinder; +//Service是在一段不定的时间运行在后台，不和用户交互的应用组件 +public class GTaskSyncService extends Service { + public final static String ACTION_STRING_NAME = "sync_action_type"; + + public final static int ACTION_START_SYNC = 0; + + public final static int ACTION_CANCEL_SYNC = 1; + + public final static int ACTION_INVALID = 2; + + public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service"; + + public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing"; + + public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg"; + + private static GTaskASyncTask mSyncTask = null; + + private static String mSyncProgress = ""; + //启动一个同步工作 + private void startSync() { + if (mSyncTask == null) { + mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() { + public void onComplete() { + mSyncTask = null; + sendBroadcast(""); + stopSelf(); + } + }); + sendBroadcast(""); + mSyncTask.execute(); + } + } + //取消同步 + private void cancelSync() { + if (mSyncTask != null) { + mSyncTask.cancelSync(); + } + } + + @Override + public void onCreate() { + mSyncTask = null; + } + //service生命周期的组成部分，相当于重启service（比如在被暂停之后），而不是创建一个新的service + @Override + public int onStartCommand(Intent intent, int flags, int startId) { + Bundle bundle = intent.getExtras(); + if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) { + switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) { + case ACTION_START_SYNC: + startSync(); + break; + case ACTION_CANCEL_SYNC: + cancelSync(); + break; + default: + break; + } + return START_STICKY; + } + return super.onStartCommand(intent, flags, startId); + } + //在没有内存的情况下如果存在service则结束掉这的service + @Override + public void onLowMemory() { + if (mSyncTask != null) { + mSyncTask.cancelSync(); + } + } + + public IBinder onBind(Intent intent) { + return null; + } + //发送同步的相关通知 + public void sendBroadcast(String msg) { + mSyncProgress = msg; + Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); + intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); + intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg); + sendBroadcast(intent); + } + + public static void startSync(Activity activity) { + GTaskManager.getInstance().setActivityContext(activity); + Intent intent = new Intent(activity, GTaskSyncService.class); + intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC); + activity.startService(intent); + } + + public static void cancelSync(Context context) { + Intent intent = new Intent(context, GTaskSyncService.class); + intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC); + context.startService(intent); + } + //判读是否在进行同步 + public static boolean isSyncing() { + return mSyncTask != null; + } + + public static String getProgressString() { + return mSyncProgress; + } +} diff --git a/other/06_211240141 陈景睿_代码标注/tool/BackupUtils.java b/other/06_211240141 陈景睿_代码标注/tool/BackupUtils.java new file mode 100644 index 0000000..866061a --- /dev/null +++ b/other/06_211240141 陈景睿_代码标注/tool/BackupUtils.java @@ -0,0 +1,351 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.tool; + +import android.content.Context; +import android.database.Cursor; +import android.os.Environment; +import android.text.TextUtils; +import android.text.format.DateFormat; +import android.util.Log; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.PrintStream; + + +public class BackupUtils { + private static final String TAG = "BackupUtils"; + // Singleton stuff + private static BackupUtils sInstance; + + public static synchronized BackupUtils getInstance(Context context) { + //ynchronized 关键字，代表这个方法加锁,相当于不管哪一个线程（例如线程A） + //运行到这个方法时,都要检查有没有其它线程B（或者C、 D等）正在用这个方法(或者该类的其他同步方法)，有的话要等正在使用synchronized方法的线程B（或者C 、D）运行完这个方法后再运行此线程A,没有的话,锁定调用者,然后直接运行。 + //它包括两种用法：synchronized 方法和 synchronized 块。 + if (sInstance == null) { + sInstance = new BackupUtils(context); + } + return sInstance; + } + + /** + * Following states are signs to represents backup or restore + * status + */ + // Currently, the sdcard is not mounted + public static final int STATE_SD_CARD_UNMOUONTED = 0; + // The backup file not exist + public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; + // The data is not well formated, may be changed by other programs + public static final int STATE_DATA_DESTROIED = 2; + // Some run-time exception which causes restore or backup fails + public static final int STATE_SYSTEM_ERROR = 3; + // Backup or restore success + public static final int STATE_SUCCESS = 4; + + private TextExport mTextExport; + + private BackupUtils(Context context) { + mTextExport = new TextExport(context); + } + + private static boolean externalStorageAvailable() { + return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); + } + + public int exportToText() { + return mTextExport.exportToText(); + } + + public String getExportedTextFileName() { + return mTextExport.mFileName; + } + + public String getExportedTextFileDir() { + return mTextExport.mFileDirectory; + } + + private static class TextExport { + private static final String[] NOTE_PROJECTION = { + NoteColumns.ID, + NoteColumns.MODIFIED_DATE, + NoteColumns.SNIPPET, + NoteColumns.TYPE + }; + + private static final int NOTE_COLUMN_ID = 0; + + private static final int NOTE_COLUMN_MODIFIED_DATE = 1; + + private static final int NOTE_COLUMN_SNIPPET = 2; + + private static final String[] DATA_PROJECTION = { + DataColumns.CONTENT, + DataColumns.MIME_TYPE, + DataColumns.DATA1, + DataColumns.DATA2, + DataColumns.DATA3, + DataColumns.DATA4, + }; + + private static final int DATA_COLUMN_CONTENT = 0; + + private static final int DATA_COLUMN_MIME_TYPE = 1; + + private static final int DATA_COLUMN_CALL_DATE = 2; + + private static final int DATA_COLUMN_PHONE_NUMBER = 4; + + private final String [] TEXT_FORMAT; + private static final int FORMAT_FOLDER_NAME = 0; + private static final int FORMAT_NOTE_DATE = 1; + private static final int FORMAT_NOTE_CONTENT = 2; + + private Context mContext; + private String mFileName; + private String mFileDirectory; + + public TextExport(Context context) { + TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note); + mContext = context; + mFileName = ""; + mFileDirectory = ""; + } + + private String getFormat(int id) { + return TEXT_FORMAT[id]; + } + + /** + * Export the folder identified by folder id to text + */ + //通过查询parent id是文件夹id的note来选出制定ID文件夹下的Note + private void exportFolderToText(String folderId, PrintStream ps) { + // Query notes belong to this folder + Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] { + folderId + }, null); + + if (notesCursor != null) { + if (notesCursor.moveToFirst()) { + do { + // Print note's last modified date + ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( + mContext.getString(R.string.format_datetime_mdhm), + notesCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); + // Query data belong to this note + String noteId = notesCursor.getString(NOTE_COLUMN_ID); + exportNoteToText(noteId, ps); + } while (notesCursor.moveToNext()); + } + notesCursor.close(); + } + } + + /** + * Export note identified by id to a print stream + */ + private void exportNoteToText(String noteId, PrintStream ps) { + Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, + DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { + noteId + }, null); + + if (dataCursor != null) { + if (dataCursor.moveToFirst()) { + do { + String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE); + if (DataConstants.CALL_NOTE.equals(mimeType)) { + // Print phone number + String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER); + long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE); + String location = dataCursor.getString(DATA_COLUMN_CONTENT); + + if (!TextUtils.isEmpty(phoneNumber)) { + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + phoneNumber)); + } + // Print call date + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), DateFormat + .format(mContext.getString(R.string.format_datetime_mdhm), + callDate))); + // Print call attachment location + if (!TextUtils.isEmpty(location)) { + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + location)); + } + } else if (DataConstants.NOTE.equals(mimeType)) { + String content = dataCursor.getString(DATA_COLUMN_CONTENT); + if (!TextUtils.isEmpty(content)) { + ps.println(String.format(getFormat(FORMAT_NOTE_CONTENT), + content)); + } + } + } while (dataCursor.moveToNext()); + } + dataCursor.close(); + } + // print a line separator between note + try { + ps.write(new byte[] { + Character.LINE_SEPARATOR, Character.LETTER_NUMBER + }); + } catch (IOException e) { + Log.e(TAG, e.toString()); + } + } + + /** + * Note will be exported as text which is user readable + */ + //注释将导出为用户可读的文本 + public int exportToText() { + if (!externalStorageAvailable()) { + Log.d(TAG, "Media was not mounted"); + return STATE_SD_CARD_UNMOUONTED; + } + + PrintStream ps = getExportToTextPrintStream(); + if (ps == null) { + Log.e(TAG, "get print stream error"); + return STATE_SYSTEM_ERROR; + } + // First export folder and its notes导出文件夹 + Cursor folderCursor = mContext.getContentResolver().query( + Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, + "(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND " + + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR " + + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER, null, null); + + if (folderCursor != null) { + if (folderCursor.moveToFirst()) { + do { + // Print folder's name + String folderName = ""; + if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) { + folderName = mContext.getString(R.string.call_record_folder_name); + } else { + folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET); + } + if (!TextUtils.isEmpty(folderName)) { + ps.println(String.format(getFormat(FORMAT_FOLDER_NAME), folderName)); + } + String folderId = folderCursor.getString(NOTE_COLUMN_ID); + exportFolderToText(folderId, ps); + } while (folderCursor.moveToNext()); + } + folderCursor.close(); + } + + // Export notes in root's folder + // 将根目录里的便签导出（由于不属于任何文件夹，因此无法通过文件夹导出来实现这一部分便签的导出） + Cursor noteCursor = mContext.getContentResolver().query( + Notes.CONTENT_NOTE_URI, + NOTE_PROJECTION, + NoteColumns.TYPE + "=" + +Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID + + "=0", null, null); + + if (noteCursor != null) { + if (noteCursor.moveToFirst()) { + do { + ps.println(String.format(getFormat(FORMAT_NOTE_DATE), DateFormat.format( + mContext.getString(R.string.format_datetime_mdhm), + noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); + // Query data belong to this note + String noteId = noteCursor.getString(NOTE_COLUMN_ID); + exportNoteToText(noteId, ps); + } while (noteCursor.moveToNext()); + } + noteCursor.close(); + } + ps.close(); + + return STATE_SUCCESS; + } + + /** + * Get a print stream pointed to the file {@generateExportedTextFile} + */ + private PrintStream getExportToTextPrintStream() { + File file = generateFileMountedOnSDcard(mContext, R.string.file_path, + R.string.file_name_txt_format); + if (file == null) { + Log.e(TAG, "create file to exported failed"); + return null; + } + mFileName = file.getName(); + mFileDirectory = mContext.getString(R.string.file_path); + PrintStream ps = null; + try { + FileOutputStream fos = new FileOutputStream(file); + ps = new PrintStream(fos); + } catch (FileNotFoundException e) { + e.printStackTrace(); + return null; + } catch (NullPointerException e) { + e.printStackTrace(); + return null; + } + return ps; + } + } + + /** + * Generate the text file to store imported data + */ + private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) { + StringBuilder sb = new StringBuilder(); + sb.append(Environment.getExternalStorageDirectory()); //外部（SD卡）的存储路径 + sb.append(context.getString(filePathResId)); //文件的存储路径 + File filedir = new File(sb.toString()); //filedir应该就是用来存储路径信息 + sb.append(context.getString( + fileNameFormatResId, + DateFormat.format(context.getString(R.string.format_date_ymd), + System.currentTimeMillis()))); + File file = new File(sb.toString()); + + try {//如果这些文件不存在，则新建 + if (!filedir.exists()) { + filedir.mkdir(); + } + if (!file.exists()) { + file.createNewFile(); + } + return file; + } catch (SecurityException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } + + // try catch 异常处理 + return null; + } +} + + diff --git a/other/06_211240141 陈景睿_代码标注/tool/DataUtils.java b/other/06_211240141 陈景睿_代码标注/tool/DataUtils.java new file mode 100644 index 0000000..3440b44 --- /dev/null +++ b/other/06_211240141 陈景睿_代码标注/tool/DataUtils.java @@ -0,0 +1,297 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.tool; + +import android.content.ContentProviderOperation; +import android.content.ContentProviderResult; +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.OperationApplicationException; +import android.database.Cursor; +import android.os.RemoteException; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.CallNote; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute; + +import java.util.ArrayList; +import java.util.HashSet; + + +public class DataUtils { + public static final String TAG = "DataUtils"; + public static boolean batchDeleteNotes(ContentResolver resolver, HashSet ids) {//直接删除多个笔记 + if (ids == null) { + Log.d(TAG, "the ids is null"); + return true; + } + if (ids.size() == 0) { + Log.d(TAG, "no id is in the hashset"); + return true; + } + //提供一个任务列表 + ArrayList operationList = new ArrayList(); + for (long id : ids) { + if(id == Notes.ID_ROOT_FOLDER) { + Log.e(TAG, "Don't delete system folder root"); + continue; + } + ContentProviderOperation.Builder builder = ContentProviderOperation + .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));//用newDelete实现删除功能 + operationList.add(builder.build()); + } + try {//主机名（或叫Authority）用于唯一标识这个ContentProvider，外部调用者可以根据这个标识来找到它。 + ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); + //数据库事务，数据库事务是由一组数据库操作序列组成，事务作为一个整体被执行 + if (results == null || results.length == 0 || results[0] == null) { + Log.d(TAG, "delete notes failed, ids:" + ids.toString()); + return false; + } + return true; + } catch (RemoteException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } catch (OperationApplicationException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } + return false; + } + + public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) { + ContentValues values = new ContentValues(); + values.put(NoteColumns.PARENT_ID, desFolderId); + values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId); + values.put(NoteColumns.LOCAL_MODIFIED, 1); + resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null); + } + + public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids, + long folderId) { + if (ids == null) { + Log.d(TAG, "the ids is null"); + return true; + } + + ArrayList operationList = new ArrayList(); + for (long id : ids) { + ContentProviderOperation.Builder builder = ContentProviderOperation + .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); + builder.withValue(NoteColumns.PARENT_ID, folderId); + builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); + operationList.add(builder.build()); + } + + try { + ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); + if (results == null || results.length == 0 || results[0] == null) { + Log.d(TAG, "delete notes failed, ids:" + ids.toString()); + return false; + } + return true; + } catch (RemoteException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } catch (OperationApplicationException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + } + return false; + } + + /** + * Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}} + */ + public static int getUserFolderCount(ContentResolver resolver) {//通过withAppendedId方法，为该Uri加上ID + Cursor cursor =resolver.query(Notes.CONTENT_NOTE_URI, + new String[] { "COUNT(*)" }, + NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?", + new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)}, + null); + + int count = 0; + if(cursor != null) { + if(cursor.moveToFirst()) { + try { + count = cursor.getInt(0); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, "get folder count failed:" + e.toString()); + } finally { + cursor.close(); + } + } + } + return count; + } + + public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) { + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), + null, + NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER, + new String [] {String.valueOf(type)}, + null); + + boolean exist = false; + if (cursor != null) { + if (cursor.getCount() > 0) {//用getcount函数判断cursor是否为空 + exist = true; + } + cursor.close(); + } + return exist; + } + + public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) { + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), + null, null, null, null); + + boolean exist = false; + if (cursor != null) { + if (cursor.getCount() > 0) { + exist = true; + } + cursor.close(); + } + return exist; + } + + public static boolean existInDataDatabase(ContentResolver resolver, long dataId) { + Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), + null, null, null, null); + + boolean exist = false; + if (cursor != null) { + if (cursor.getCount() > 0) { + exist = true; + } + cursor.close(); + } + return exist; + } + + public static boolean checkVisibleFolderName(ContentResolver resolver, String name) { + Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null, + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + + " AND " + NoteColumns.SNIPPET + "=?", + new String[] { name }, null); + //通过名字查询文件是否存在 + boolean exist = false; + if(cursor != null) { + if(cursor.getCount() > 0) { + exist = true; + } + cursor.close(); + } + return exist; + } + + public static HashSet getFolderNoteWidget(ContentResolver resolver, long folderId) { + Cursor c = resolver.query(Notes.CONTENT_NOTE_URI, + new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE }, + NoteColumns.PARENT_ID + "=?", + new String[] { String.valueOf(folderId) }, + null); + + HashSet set = null; + if (c != null) { + if (c.moveToFirst()) { + set = new HashSet(); + do { + try { + AppWidgetAttribute widget = new AppWidgetAttribute(); + widget.widgetId = c.getInt(0); + widget.widgetType = c.getInt(1); + set.add(widget); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, e.toString()); + } + } while (c.moveToNext()); + } + c.close(); + } + return set; + } + + public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) { + Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, + new String [] { CallNote.PHONE_NUMBER }, + CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?", + new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE }, + null); + + if (cursor != null && cursor.moveToFirst()) { + try { + return cursor.getString(0); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, "Get call number fails " + e.toString()); + } finally { + cursor.close(); + } + } + return ""; + } + + public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) { + Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI, + new String [] { CallNote.NOTE_ID }, + CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL(" + + CallNote.PHONE_NUMBER + ",?)", + new String [] { String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber }, + null); + //通过数据库操作，查询条件是（callDate和phoneNumber匹配传入参数的值） + if (cursor != null) { + if (cursor.moveToFirst()) { + try { + return cursor.getLong(0); + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, "Get call note id fails " + e.toString()); + } + } + cursor.close(); + } + return 0; + } + + public static String getSnippetById(ContentResolver resolver, long noteId) { + Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, + new String [] { NoteColumns.SNIPPET }, + NoteColumns.ID + "=?", + new String [] { String.valueOf(noteId)}, + null); + + if (cursor != null) { + String snippet = ""; + if (cursor.moveToFirst()) { + snippet = cursor.getString(0); + } + cursor.close(); + return snippet; + } + throw new IllegalArgumentException("Note is not found with id: " + noteId); + } + + public static String getFormattedSnippet(String snippet) { + if (snippet != null) { + snippet = snippet.trim(); + int index = snippet.indexOf('\n'); + if (index != -1) { + snippet = snippet.substring(0, index); + } + } + return snippet; + } +} diff --git a/other/06_211240141 陈景睿_代码标注/tool/GTaskStringUtils.java b/other/06_211240141 陈景睿_代码标注/tool/GTaskStringUtils.java new file mode 100644 index 0000000..6d2c323 --- /dev/null +++ b/other/06_211240141 陈景睿_代码标注/tool/GTaskStringUtils.java @@ -0,0 +1,113 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.tool; +//为jsonObject提供Key，把这些定义全部写到一个类里，方便查看管理 +public class GTaskStringUtils { + + public final static String GTASK_JSON_ACTION_ID = "action_id"; + + public final static String GTASK_JSON_ACTION_LIST = "action_list"; + + public final static String GTASK_JSON_ACTION_TYPE = "action_type"; + + public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create"; + + public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all"; + + public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move"; + + public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update"; + + public final static String GTASK_JSON_CREATOR_ID = "creator_id"; + + public final static String GTASK_JSON_CHILD_ENTITY = "child_entity"; + + public final static String GTASK_JSON_CLIENT_VERSION = "client_version"; + + public final static String GTASK_JSON_COMPLETED = "completed"; + + public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id"; + + public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id"; + + public final static String GTASK_JSON_DELETED = "deleted"; + + public final static String GTASK_JSON_DEST_LIST = "dest_list"; + + public final static String GTASK_JSON_DEST_PARENT = "dest_parent"; + + public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type"; + + public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta"; + + public final static String GTASK_JSON_ENTITY_TYPE = "entity_type"; + + public final static String GTASK_JSON_GET_DELETED = "get_deleted"; + + public final static String GTASK_JSON_ID = "id"; + + public final static String GTASK_JSON_INDEX = "index"; + + public final static String GTASK_JSON_LAST_MODIFIED = "last_modified"; + + public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point"; + + public final static String GTASK_JSON_LIST_ID = "list_id"; + + public final static String GTASK_JSON_LISTS = "lists"; + + public final static String GTASK_JSON_NAME = "name"; + + public final static String GTASK_JSON_NEW_ID = "new_id"; + + public final static String GTASK_JSON_NOTES = "notes"; + + public final static String GTASK_JSON_PARENT_ID = "parent_id"; + + public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id"; + + public final static String GTASK_JSON_RESULTS = "results"; + + public final static String GTASK_JSON_SOURCE_LIST = "source_list"; + + public final static String GTASK_JSON_TASKS = "tasks"; + + public final static String GTASK_JSON_TYPE = "type"; + + public final static String GTASK_JSON_TYPE_GROUP = "GROUP"; + + public final static String GTASK_JSON_TYPE_TASK = "TASK"; + + public final static String GTASK_JSON_USER = "user"; + + public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]"; + + public final static String FOLDER_DEFAULT = "Default"; + + public final static String FOLDER_CALL_NOTE = "Call_Note"; + + public final static String FOLDER_META = "METADATA"; + + public final static String META_HEAD_GTASK_ID = "meta_gid"; + + public final static String META_HEAD_NOTE = "meta_note"; + + public final static String META_HEAD_DATA = "meta_data"; + + public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE"; + +} diff --git a/other/06_211240141 陈景睿_代码标注/tool/ResourceParser.java b/other/06_211240141 陈景睿_代码标注/tool/ResourceParser.java new file mode 100644 index 0000000..aa4efa8 --- /dev/null +++ b/other/06_211240141 陈景睿_代码标注/tool/ResourceParser.java @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.tool; + +import android.content.Context; +import android.preference.PreferenceManager; + +import net.micode.notes.R; +import net.micode.notes.ui.NotesPreferenceActivity; +//获取资源并且在程序中使用，比如颜色图片等 +public class ResourceParser { + + public static final int YELLOW = 0; + public static final int BLUE = 1; + public static final int WHITE = 2; + public static final int GREEN = 3; + public static final int RED = 4; + + public static final int BG_DEFAULT_COLOR = YELLOW; + + public static final int TEXT_SMALL = 0; + public static final int TEXT_MEDIUM = 1; + public static final int TEXT_LARGE = 2; + public static final int TEXT_SUPER = 3; + + public static final int BG_DEFAULT_FONT_SIZE = TEXT_MEDIUM; + + public static class NoteBgResources { + private final static int [] BG_EDIT_RESOURCES = new int [] { + R.drawable.edit_yellow, + R.drawable.edit_blue, + R.drawable.edit_white, + R.drawable.edit_green, + R.drawable.edit_red + }; + + private final static int [] BG_EDIT_TITLE_RESOURCES = new int [] { + R.drawable.edit_title_yellow, + R.drawable.edit_title_blue, + R.drawable.edit_title_white, + R.drawable.edit_title_green, + R.drawable.edit_title_red + }; + + public static int getNoteBgResource(int id) { + return BG_EDIT_RESOURCES[id]; + } + + public static int getNoteTitleBgResource(int id) { + return BG_EDIT_TITLE_RESOURCES[id]; + } + } + + public static int getDefaultBgId(Context context) { + if (PreferenceManager.getDefaultSharedPreferences(context).getBoolean( + NotesPreferenceActivity.PREFERENCE_SET_BG_COLOR_KEY, false)) { + return (int) (Math.random() * NoteBgResources.BG_EDIT_RESOURCES.length); + } else { + return BG_DEFAULT_COLOR; + } + } + + public static class NoteItemBgResources { + private final static int [] BG_FIRST_RESOURCES = new int [] { + R.drawable.list_yellow_up, + R.drawable.list_blue_up, + R.drawable.list_white_up, + R.drawable.list_green_up, + R.drawable.list_red_up + }; + + private final static int [] BG_NORMAL_RESOURCES = new int [] { + R.drawable.list_yellow_middle, + R.drawable.list_blue_middle, + R.drawable.list_white_middle, + R.drawable.list_green_middle, + R.drawable.list_red_middle + }; + + private final static int [] BG_LAST_RESOURCES = new int [] { + R.drawable.list_yellow_down, + R.drawable.list_blue_down, + R.drawable.list_white_down, + R.drawable.list_green_down, + R.drawable.list_red_down, + }; + + private final static int [] BG_SINGLE_RESOURCES = new int [] { + R.drawable.list_yellow_single, + R.drawable.list_blue_single, + R.drawable.list_white_single, + R.drawable.list_green_single, + R.drawable.list_red_single + }; + + public static int getNoteBgFirstRes(int id) { + return BG_FIRST_RESOURCES[id]; + } + + public static int getNoteBgLastRes(int id) { + return BG_LAST_RESOURCES[id]; + } + + public static int getNoteBgSingleRes(int id) { + return BG_SINGLE_RESOURCES[id]; + } + + public static int getNoteBgNormalRes(int id) { + return BG_NORMAL_RESOURCES[id]; + } + + public static int getFolderBgRes() { + return R.drawable.list_folder; + } + } + + public static class WidgetBgResources { + private final static int [] BG_2X_RESOURCES = new int [] { + R.drawable.widget_2x_yellow, + R.drawable.widget_2x_blue, + R.drawable.widget_2x_white, + R.drawable.widget_2x_green, + R.drawable.widget_2x_red, + }; + + public static int getWidget2xBgResource(int id) { + return BG_2X_RESOURCES[id]; + } + + private final static int [] BG_4X_RESOURCES = new int [] { + R.drawable.widget_4x_yellow, + R.drawable.widget_4x_blue, + R.drawable.widget_4x_white, + R.drawable.widget_4x_green, + R.drawable.widget_4x_red + }; + + public static int getWidget4xBgResource(int id) { + return BG_4X_RESOURCES[id]; + } + } + + public static class TextAppearanceResources { + private final static int [] TEXTAPPEARANCE_RESOURCES = new int [] { + R.style.TextAppearanceNormal, + R.style.TextAppearanceMedium, + R.style.TextAppearanceLarge, + R.style.TextAppearanceSuper + }; + + public static int getTexAppearanceResource(int id) { + /** + * HACKME: Fix bug of store the resource id in shared preference. + * The id may larger than the length of resources, in this case, + * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE} + */ + if (id >= TEXTAPPEARANCE_RESOURCES.length) { + return BG_DEFAULT_FONT_SIZE; + } + return TEXTAPPEARANCE_RESOURCES[id]; + } + + public static int getResourcesSize() { + return TEXTAPPEARANCE_RESOURCES.length; + } + } +} diff --git a/other/06_211440528 张锦辉_代码标注/data/Contact.java b/other/06_211440528 张锦辉_代码标注/data/Contact.java new file mode 100644 index 0000000..993cf41 --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/data/Contact.java @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +// 联系人数据库类，用于识别和查询联系人电话号码、ID、姓名 + +package net.micode.notes.data; + +import android.content.Context; +import android.database.Cursor; +import android.provider.ContactsContract.CommonDataKinds.Phone; +import android.provider.ContactsContract.Data; +import android.telephony.PhoneNumberUtils; +import android.util.Log; + +import java.util.HashMap; + +public class Contact { // 联系人 + // 声明一个用于缓存联系人的HashMap + private static HashMap sContactCache; // 定义联系人缓存散列表 + + // 声明日志输出的TAG + private static final String TAG = "Contact"; // 标签 + + // 定义字符串CALLER_ID_SELECTION，即联系人信息查询 + // 定义查询联系人的选择条件，使用占位符 "?" 和 "IN" 子句 + private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER + + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'" + + " AND " + Data.RAW_CONTACT_ID + " IN " + + "(SELECT raw_contact_id " + + " FROM phone_lookup" + + " WHERE min_match = '+')"; + + // 获取联系人名称,电话号码 + // context 上下文环境 + // phoneNumber 联系人的电话号码 + // return 联系人的名称，如果找不到返回null + public static String getContact(Context context, String phoneNumber) { + // 如果联系人缓存为空，则创建一个新的HashMap + if(sContactCache == null) { + sContactCache = new HashMap(); + } + + // 查找HashMap中是否已有phoneNumber（电话号码）信息 + // 如果联系人缓存中已经存在该电话号码的联系人，则直接返回联系人名称 + if(sContactCache.containsKey(phoneNumber)) { + return sContactCache.get(phoneNumber); + } + // 使用PhoneNumberUtils工具类将电话号码转换为拨号最小匹配 + String selection = CALLER_ID_SELECTION.replace("+", + PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); + + // 定义游标，查找数据库中phoneNumber的信息 + // 查询联系人 + Cursor cursor = context.getContentResolver().query( + Data.CONTENT_URI, + new String [] { Phone.DISPLAY_NAME }, + selection, + new String[] { phoneNumber }, + null); + + // 判定查询结果 + // moveToFirst()返回第一条 + // 如果查询到联系人，则将联系人名称存入缓存并返回联系人名称 + if (cursor != null && cursor.moveToFirst()) { + try { + // 找到相关信息，返回联系人姓名 + String name = cursor.getString(0); + sContactCache.put(phoneNumber, name); + return name; + // 异常 + } catch (IndexOutOfBoundsException e) { + Log.e(TAG, " Cursor get string error " + e.toString()); + return null; + } finally { + cursor.close(); // 关闭游标 + } + // 未找到联系人相关信息，则打印日志并返回null + } else { + Log.d(TAG, "No contact matched with number:" + phoneNumber); + return null; + } + } +} diff --git a/other/06_211440528 张锦辉_代码标注/data/Notes.java b/other/06_211440528 张锦辉_代码标注/data/Notes.java new file mode 100644 index 0000000..b94d677 --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/data/Notes.java @@ -0,0 +1,288 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +// 便签数据库类，用于记录和查询便签的属性、内容数据，内容的数据结构 + +package net.micode.notes.data; + +import android.net.Uri; +// Notes 类中定义了很多常量，这些常量大多是int型和string型 +public class Notes { + public static final String AUTHORITY = "micode_notes"; + public static final String TAG = "Notes"; + + + //以下三个常量对NoteColumns.TYPE的值进行设置时会用到 + public static final int TYPE_NOTE = 0; + public static final int TYPE_FOLDER = 1; + public static final int TYPE_SYSTEM = 2; + + /** + * Following IDs are system folders' identifiers + * {@link Notes#ID_ROOT_FOLDER } is default folder + * {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder + * {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records + */ + public static final int ID_ROOT_FOLDER = 0; + public static final int ID_TEMPARAY_FOLDER = -1; + public static final int ID_CALL_RECORD_FOLDER = -2; + public static final int ID_TRASH_FOLER = -3; + + public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; + public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; + public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; + public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; + public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; + public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; + + public static final int TYPE_WIDGET_INVALIDE = -1; + public static final int TYPE_WIDGET_2X = 0; + public static final int TYPE_WIDGET_4X = 1; + + public static class DataConstants { + public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; + public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; + } + + /** + * Uri to query all notes and folders + */ + public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note"); + //定义查询便签和文件夹的指针 + + /** + * Uri to query data + */ + public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data"); + //定义查找数据的指针 + + // 定义NoteColumns的常量,用于后面创建数据库的表头 + public interface NoteColumns { + /** + * The unique ID for a row + *

Type: INTEGER (long)

+ */ + public static final String ID = "_id"; + + /** + * The parent's id for note or folder + *

Type: INTEGER (long)

+ */ + public static final String PARENT_ID = "parent_id"; + + /** + * Created data for note or folder + *

Type: INTEGER (long)

+ */ + public static final String CREATED_DATE = "created_date"; + + /** + * Latest modified date + *

Type: INTEGER (long)

+ */ + public static final String MODIFIED_DATE = "modified_date"; + + + /** + * Alert date + *

Type: INTEGER (long)

+ */ + public static final String ALERTED_DATE = "alert_date"; + + /** + * Folder's name or text content of note + *

Type: TEXT

+ */ + public static final String SNIPPET = "snippet"; + + /** + * Note's widget id + *

Type: INTEGER (long)

+ */ + public static final String WIDGET_ID = "widget_id"; + + /** + * Note's widget type + *

Type: INTEGER (long)

+ */ + public static final String WIDGET_TYPE = "widget_type"; + + /** + * Note's background color's id + *

Type: INTEGER (long)

+ */ + public static final String BG_COLOR_ID = "bg_color_id"; + + /** + * For text note, it doesn't has attachment, for multi-media + * note, it has at least one attachment + *

Type: INTEGER

+ */ + public static final String HAS_ATTACHMENT = "has_attachment"; + + /** + * Folder's count of notes + *

Type: INTEGER (long)

+ */ + public static final String NOTES_COUNT = "notes_count"; + + /** + * The file type: folder or note + *

Type: INTEGER

+ */ + public static final String TYPE = "type"; + + /** + * The last sync id + *

Type: INTEGER (long)

+ */ + public static final String SYNC_ID = "sync_id"; + + /** + * Sign to indicate local modified or not + *

Type: INTEGER

+ */ + public static final String LOCAL_MODIFIED = "local_modified"; + + /** + * Original parent id before moving into temporary folder + *

Type : INTEGER

+ */ + public static final String ORIGIN_PARENT_ID = "origin_parent_id"; + + /** + * The gtask id + *

Type : TEXT

+ */ + public static final String GTASK_ID = "gtask_id"; + + /** + * The version code + *

Type : INTEGER (long)

+ */ + public static final String VERSION = "version"; + }//这些常量主要是定义便签的属性的。 + + // 定义DataColumns的常量,用于后面创建数据库的表头 + public interface DataColumns { + /** + * The unique ID for a row + *

Type: INTEGER (long)

+ */ + public static final String ID = "_id"; + + /** + * The MIME type of the item represented by this row. + *

Type: Text

+ */ + public static final String MIME_TYPE = "mime_type"; + + /** + * The reference id to note that this data belongs to + *

Type: INTEGER (long)

+ */ + public static final String NOTE_ID = "note_id"; + + /** + * Created data for note or folder + *

Type: INTEGER (long)

+ */ + public static final String CREATED_DATE = "created_date"; + + /** + * Latest modified date + *

Type: INTEGER (long)

+ */ + public static final String MODIFIED_DATE = "modified_date"; + + /** + * Data's content + *

Type: TEXT

+ */ + public static final String CONTENT = "content"; + + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * integer data type + *

Type: INTEGER

+ */ + public static final String DATA1 = "data1"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * integer data type + *

Type: INTEGER

+ */ + public static final String DATA2 = "data2"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *

Type: TEXT

+ */ + public static final String DATA3 = "data3"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *

Type: TEXT

+ */ + public static final String DATA4 = "data4"; + + /** + * Generic data column, the meaning is {@link #MIMETYPE} specific, used for + * TEXT data type + *

Type: TEXT

+ */ + public static final String DATA5 = "data5"; + }// 主要是定义存储便签内容数据的 + + public static final class TextNote implements DataColumns { + /** + * Mode to indicate the text in check list mode or not + *

Type: Integer 1:check list mode 0: normal mode

+ */ + public static final String MODE = DATA1; + + public static final int MODE_CHECK_LIST = 1; + + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; + + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; + + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); + }// 文本内容的数据结构 + + public static final class CallNote implements DataColumns { + /** + * Call date for this record + *

Type: INTEGER (long)

+ */ + public static final String CALL_DATE = DATA1; + + /** + * Phone number for this record + *

Type: TEXT

+ */ + public static final String PHONE_NUMBER = DATA3; + + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; + + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; + + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note"); + }// 电话内容的数据结构 +} diff --git a/other/06_211440528 张锦辉_代码标注/data/NotesDatabaseHelper.java b/other/06_211440528 张锦辉_代码标注/data/NotesDatabaseHelper.java new file mode 100644 index 0000000..b12375d --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/data/NotesDatabaseHelper.java @@ -0,0 +1,415 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +// 便签数据库帮助类，用于对文件夹中note和data进行数据库的操作（增删查改、还原等），以及数据库版本的更新 + +package net.micode.notes.data; + +import android.content.ContentValues; // 用于保存一些数据（string boolean byte double float int long short ...）信息，这些信息可以被数据库操作时使用 +import android.content.Context; // 加载和访问资源 +import android.database.sqlite.SQLiteDatabase; // 提供了对应于添加、删除、更新、查询的操作方法：insert()、delete()、update()、query()，配合content.values +import android.database.sqlite.SQLiteOpenHelper; // 管理数据的创建和版本更新 +import android.util.Log; + +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; +//数据库操作，用SQLOpenhelper,对一些note和文件进行数据库的操作，比如删除文件后，将文件里的note也相应删除 + +// 数据库帮助类 +public class NotesDatabaseHelper extends SQLiteOpenHelper { + // 数据库名 + private static final String DB_NAME = "note.db"; + + // 数据库版本号 + private static final int DB_VERSION = 4; + + // 数据表名称常量 + public interface TABLE { // 接口，分成note和data两个 + public static final String NOTE = "note"; + + public static final String DATA = "data"; + } + + // 日志tag + private static final String TAG = "NotesDatabaseHelper"; + + // 数据库帮助类实例 + private static NotesDatabaseHelper mInstance; + + // 创建笔记数据表的SQL语句 + private static final String CREATE_NOTE_TABLE_SQL = + "CREATE TABLE " + TABLE.NOTE + "(" + + NoteColumns.ID + " INTEGER PRIMARY KEY," + + NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + + NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + + NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + + NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + + ")"; // 数据库中需要存储的note接口项目的名称，相当于创建一个表格的表头的内容 + + // 创建笔记内容数据表的SQL语句 + private static final String CREATE_DATA_TABLE_SQL = + "CREATE TABLE " + TABLE.DATA + "(" + + DataColumns.ID + " INTEGER PRIMARY KEY," + + DataColumns.MIME_TYPE + " TEXT NOT NULL," + + DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA1 + " INTEGER," + + DataColumns.DATA2 + " INTEGER," + + DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + + ")"; // 数据库中需要存储的data接口项目的名称，相当于创建一个表格的表头的内容 + + // 创建笔记在SQL中的Id + private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = + //创建一个数据表的索引，用于加速查询和过滤操作。 + "CREATE INDEX IF NOT EXISTS note_id_index ON " + + TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; // 存储便签编号的一个数据表格 + + /** + * Increase folder's note count when move note to the folder + */ + // 将笔记移动到文件夹时增加文件夹的笔记计数 + private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = + // 当在文件夹中插入新笔记时，该触发器会自动更新该文件夹中的笔记计数。 + "CREATE TRIGGER increase_folder_count_on_update "+ + " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + + " END"; // 在文件夹中移入一个Note之后需要更改的数据的表格 + + /** + * Decrease folder's note count when move note from folder + */ + // 将笔记从文件夹移出时减少文件夹的笔记计数 + private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = + // 当笔记从一个文件夹中移出时，该触发器会自动更新该文件夹中的笔记计数。 + "CREATE TRIGGER decrease_folder_count_on_update " + + " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + + " AND " + NoteColumns.NOTES_COUNT + ">0" + ";" + + " END"; // 在文件夹中移出一个Note之后需要更改的数据的表格 + + /** + * Increase folder's note count when insert new note to the folder + */ + // 在文件夹中插入新笔记时增加文件夹的笔记计数 + private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER = + // 当笔记被移动到一个文件夹时，该触发器会自动更新该文件夹中的笔记计数。 + "CREATE TRIGGER increase_folder_count_on_insert " + + " AFTER INSERT ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + + " END"; // 在文件夹中插入一个Note之后需要更改的数据的表格 + + /** + * Decrease folder's note count when delete note from the folder + */ + // 减少文件夹中的笔记数量（当从文件夹中删除笔记时） + private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER = + "CREATE TRIGGER decrease_folder_count_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + + " AND " + NoteColumns.NOTES_COUNT + ">0;" + + " END"; // 在文件夹中删除一个Note之后需要更改的数据的表格 + + /** + * Update note's content when insert data with type {@link DataConstants#NOTE} + */ + // 在插入类型为 {@link DataConstants#NOTE} 的数据时更新笔记的内容 + private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER = + "CREATE TRIGGER update_note_content_on_insert " + + " AFTER INSERT ON " + TABLE.DATA + + " WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + + " END"; // 在文件夹中对一个Note导入新的数据之后需要更改的数据的表格 + + /** + * Update note's content when data with {@link DataConstants#NOTE} type has changed + */ + // 在类型为 {@link DataConstants#NOTE} 的数据更新时更新笔记的内容 + private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER update_note_content_on_update " + + " AFTER UPDATE ON " + TABLE.DATA + + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + + " END"; // Note数据被修改后需要更改的数据的表格 + + /** + * Update note's content when data with {@link DataConstants#NOTE} type has deleted + */ + // 在类型为 {@link DataConstants#NOTE} 的数据删除时更新笔记的内容 + private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER = + "CREATE TRIGGER update_note_content_on_delete " + + " AFTER delete ON " + TABLE.DATA + + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=''" + + " WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" + + " END"; // Note数据被删除后需要更改的数据的表格 + + /** + * Delete datas belong to note which has been deleted + */ + // 创建一个触发器，用于删除已删除笔记的数据 + private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER = + "CREATE TRIGGER delete_data_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN" + + " DELETE FROM " + TABLE.DATA + + " WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + + " END"; // 删除已删除的便签的数据后需要更改的数据的表格 + + /** + * Delete notes belong to folder which has been deleted + */ + // 创建一个触发器，用于删除已删除文件夹的笔记 + private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER = + "CREATE TRIGGER folder_delete_notes_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN" + + " DELETE FROM " + TABLE.NOTE + + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + + " END"; // 删除已删除的文件夹的便签后需要更改的数据的表格 + + /** + * Move notes belong to folder which has been moved to trash folder + */ + // 创建一个触发器，用于将被移动到垃圾箱文件夹中的笔记移动到垃圾箱中 + private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER = + "CREATE TRIGGER folder_move_notes_on_trash " + + " AFTER UPDATE ON " + TABLE.NOTE + + " WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + + " END"; // 还原垃圾桶中便签后需要更改的数据的表格 + + // 数据库帮助 + public NotesDatabaseHelper(Context context) { + super(context, DB_NAME, null, DB_VERSION); + } + // 构造函数，传入数据库的名称和版本 + + //创建数据库实例 + public void createNoteTable(SQLiteDatabase db) { + db.execSQL(CREATE_NOTE_TABLE_SQL); + reCreateNoteTableTriggers(db); + createSystemFolder(db); + Log.d(TAG, "note table has been created"); + } // 创建表格（用来存储标签属性） + + // 重新创建笔记表的触发器 + // db 数据库对象 + private void reCreateNoteTableTriggers(SQLiteDatabase db) { + db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update"); + // 删除更新时增加文件夹计数的触发器 + db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update"); + // 删除更新时减少文件夹计数的触发器 + db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete"); + // 删除删除时减少文件夹计数的触发器 + db.execSQL("DROP TRIGGER IF EXISTS delete_data_on_delete"); + // 删除删除时删除数据的触发器 + db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_insert"); + // 删除插入时增加文件夹计数的触发器 + db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete"); + // 删除文件夹删除时删除笔记的触发器 + db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash"); + // 删除将笔记移动到垃圾桶时的触发器 + + db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); + // 创建更新时增加文件夹计数的触发器 + db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); + // 创建更新时减少文件夹计数的触发器 + db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER); + // 创建删除时减少文件夹计数的触发器 + db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER); + // 创建删除时删除数据的触发器 + db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER); + // 创建插入时增加文件夹计数的触发器 + db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER); + // 创建文件夹删除时删除笔记的触发器 + db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER); + // 创建将笔记移动到垃圾桶时的触发器 + }// execSQL是数据库操作的API，主要是更改行为的SQL语句 + // 在这里用来重新创建上述定义的表格，先删除原来有的数据库的触发器再重新创建新的数据库 + + // 创建系统文件夹 + // db 数据库对象 + private void createSystemFolder(SQLiteDatabase db) { + ContentValues values = new ContentValues(); + + /** + * call record foler for call notes + */ + // 通话记录文件夹 + values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + + /** + * root folder which is default folder + */ + // 根文件夹，即默认文件夹 + values.clear(); + values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + + /** + * temporary folder which is used for moving note + */ + // 临时文件夹，用于移动笔记 + values.clear(); + values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + + /** + * create trash folder + */ + // 创建垃圾桶文件夹 + values.clear(); + values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + } // 创建系统文件夹 + + public void createDataTable(SQLiteDatabase db) { + db.execSQL(CREATE_DATA_TABLE_SQL); // 创建数据表 + reCreateDataTableTriggers(db); // 重建数据表触发器 + db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); // 在数据表上创建笔记 ID 索引 + Log.d(TAG, "data table has been created"); // 输出日志，表示数据表已创建 + } // 创建表格（用来存储标签内容） + + private void reCreateDataTableTriggers(SQLiteDatabase db) { + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert");// 如果存在，删除插入时更新笔记内容的触发器 + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update"); // 如果存在，删除更新时更新笔记内容的触发器 + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete");// 如果存在，删除删除时更新笔记内容的触发器 + + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER); // 创建插入时更新笔记内容的触发器 + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER); // 创建更新时更新笔记内容的触发器 + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); // 创建删除时更新笔记内容的触发器 + }// execSQL是数据库操作的API，主要是更改行为的SQL语句 + // 在这里用来重新创建上述定义的表格，先删除原来有的数据库的触发器再重新创建新的数据库 + + static synchronized NotesDatabaseHelper getInstance(Context context) { + if (mInstance == null) { + mInstance = new NotesDatabaseHelper(context); // 如果实例为空，创建新的实例 + } + return mInstance; // 返回实例 + }// 上网查是为解决同一时刻只能有一个线程执行. + // 在写程序库代码时，有时有一个类需要被所有的其它类使用， + // 但又要求这个类只能被实例化一次，是服务类，定义一次，其它类使用同一个该类的实例 + + @Override + public void onCreate(SQLiteDatabase db) { + createNoteTable(db); // 创建笔记表 + createDataTable(db); // 创建数据表 + }// 实现两个表格（上面创建的两个表格） + + @Override + public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { + boolean reCreateTriggers = false; // 是否需要重新创建触发器 + boolean skipV2 = false; // 是否跳过版本 2 + + if (oldVersion == 1) { + upgradeToV2(db); // 升级到版本 2 + skipV2 = true; // this upgrade including the upgrade from v2 to v3 + oldVersion++; // 版本号加 1 + } + + if (oldVersion == 2 && !skipV2) { + upgradeToV3(db); // 升级到版本 3 + reCreateTriggers = true; // 标记需要重新创建触发器 + oldVersion++; // 版本号加 1 + } + + if (oldVersion == 3) { + upgradeToV4(db); // 升级到版本 4 + oldVersion++; // 版本号加 1 + } + + if (reCreateTriggers) { + reCreateNoteTableTriggers(db); // 重新创建笔记表触发器 + reCreateDataTableTriggers(db); // 重新创建数据表触发器 + } + + if (oldVersion != newVersion) { + throw new IllegalStateException("Upgrade notes database to version " + newVersion + + "fails"); // 如果版本升级失败，抛出异常 + } + }// 数据库版本的更新（数据库内容的更改） + + private void upgradeToV2(SQLiteDatabase db) { + db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); + db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); + createNoteTable(db); + createDataTable(db); + }// 更新到V2版本 + + private void upgradeToV3(SQLiteDatabase db) { + // drop unused triggers + db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert"); + db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete"); + db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update"); + // add a column for gtask id + db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID + + " TEXT NOT NULL DEFAULT ''"); + // add a trash system folder + ContentValues values = new ContentValues(); + values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); + values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + db.insert(TABLE.NOTE, null, values); + }// 更新到V3版本 + + private void upgradeToV4(SQLiteDatabase db) { + db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION + + " INTEGER NOT NULL DEFAULT 0"); + }// 更新到V4版本 +} diff --git a/other/06_211440528 张锦辉_代码标注/data/NotesProvider.java b/other/06_211440528 张锦辉_代码标注/data/NotesProvider.java new file mode 100644 index 0000000..a54bb03 --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/data/NotesProvider.java @@ -0,0 +1,413 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.data; + + +import android.app.SearchManager; +import android.content.ContentProvider; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.Intent; +import android.content.UriMatcher; +import android.database.Cursor; +import android.database.sqlite.SQLiteDatabase; +import android.net.Uri; +import android.text.TextUtils; +import android.util.Log; + +import net.micode.notes.R; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.data.NotesDatabaseHelper.TABLE; +// 为存储和获取数据提供接口。可以在不同的应用程序之间共享数据 +// ContentProvider提供的方法 +// query：查询 +// insert：插入 +// update：更新 +// delete：删除 +// getType：得到数据类型 + +// 便签提供类，用于为存储和获取数据提供接口。以便于在不同的应用程序之间共享数据 + +public class NotesProvider extends ContentProvider { + // UriMatcher用于匹配Uri + // 声明一个 UriMatcher 对象，用于匹配 Uri 和对应的代码 + private static final UriMatcher mMatcher; + + private NotesDatabaseHelper mHelper; + + private static final String TAG = "NotesProvider"; + + // 声明一些常量，用于标识 Uri 匹配的类型 + private static final int URI_NOTE = 1; + private static final int URI_NOTE_ITEM = 2; + private static final int URI_DATA = 3; + private static final int URI_DATA_ITEM = 4; + + private static final int URI_SEARCH = 5; + private static final int URI_SEARCH_SUGGEST = 6; + + // 初始化 UriMatcher 对象，将 Uri 和对应的类型添加到 UriMatcher 中 + static { + // 创建UriMatcher时，调用UriMatcher(UriMatcher.NO_MATCH)表示不匹配任何路径的返回码 + mMatcher = new UriMatcher(UriMatcher.NO_MATCH); + // 把需要匹配Uri路径全部给注册上 + mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); + mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); + mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); + mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM); + mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH); + mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST); + mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST); + } + + /** + * x'0A' represents the '\n' character in sqlite. For title and content in the search result, + * we will trim '\n' and white space in order to show more information. + */ + // 声明 NOTES_SEARCH_PROJECTION + // x'0A' 代表 sqlite 中的 '\n' 字符。对于搜索结果中的标题和内容，我们会去掉 '\n' 和空格，以展示更多信息。 + private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + "," + + NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," + + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + "," + + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + "," + + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + "," + + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," + + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; + // 声明NOTES_SNIPPET_SEARCH_QUERY + // 定义搜索笔记的 SQL 查询语句，其中包括笔记的搜索投影和搜索条件。 + private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION + + " FROM " + TABLE.NOTE + + " WHERE " + NoteColumns.SNIPPET + " LIKE ?" + + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; + + @Override + // Context只有在onCreate()中才被初始化 + // 获取数据库帮助类的实例 + // 对mHelper进行实例化 + public boolean onCreate() { + mHelper = NotesDatabaseHelper.getInstance(getContext()); + return true; + } + + @Override + // 查询uri在数据库中对应的位置 + public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, + String sortOrder) { + // 初始化游标和数据库 + Cursor c = null; + // 获取可读数据库 + SQLiteDatabase db = mHelper.getReadableDatabase(); + // 初始化 id + String id = null; + // 匹配查找uri，根据 Uri 的不同，执行不同的查询操作 + switch (mMatcher.match(uri)) { + // 对于不同的匹配值，在数据库中查找相应的条目，查询所有笔记 + case URI_NOTE: + c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, + sortOrder); + break; + // 根据 id 查询笔记 + case URI_NOTE_ITEM: + // 获取 Uri 中的 id + id = uri.getPathSegments().get(1); + // 根据 id 查询笔记 + c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id + + parseSelection(selection), selectionArgs, null, null, sortOrder); + break; + // 查询所有数据 + case URI_DATA: + c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, + sortOrder); + break; + // 根据 id 查询数据 + case URI_DATA_ITEM: + // 获取 Uri 中的 id + id = uri.getPathSegments().get(1); + // 根据 id 查询数据 + c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id + + parseSelection(selection), selectionArgs, null, null, sortOrder); + break; + // 查询笔记的搜索结果 + case URI_SEARCH: + case URI_SEARCH_SUGGEST: + // 如果查询中包含排序或者 projection，则抛出异常 + if (sortOrder != null || projection != null) { + // 不合法的参数异常 + throw new IllegalArgumentException( + "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); + } + + // 获取查询的关键词 + String searchString = null; + if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { + if (uri.getPathSegments().size() > 1) { + // getPathSegments()方法得到一个String的List， + // 在uri.getPathSegments().get(1)为第2个元素 + searchString = uri.getPathSegments().get(1); + } + } else { + searchString = uri.getQueryParameter("pattern"); + } + + // 如果关键词为空，则返回空游标 + if (TextUtils.isEmpty(searchString)) { + return null; + } + + try { + // 格式化查询字符串 + searchString = String.format("%%%s%%", searchString); + // 执行笔记搜索查询 + c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, + new String[] { searchString }); + } catch (IllegalStateException ex) { + Log.e(TAG, "got exception: " + ex.toString()); + } + break; + // 如果 Uri 不匹配，则抛出异常 + default: + // 抛出异常 + throw new IllegalArgumentException("Unknown URI " + uri); + } + // 如果游标不为空，则设置游标的内容变化通知 Uri + if (c != null) { + c.setNotificationUri(getContext().getContentResolver(), uri); + } + return c; + } + + @Override + // 插入一个uri + public Uri insert(Uri uri, ContentValues values) { + // 获得可写的数据库 + // 获取可写的 SQLiteDatabase 实例 + SQLiteDatabase db = mHelper.getWritableDatabase(); + // 定义变量用于存储插入后的数据行 ID + long dataId = 0, noteId = 0, insertedId = 0; + // 根据传入的 Uri 进行不同的插入操作 + switch (mMatcher.match(uri)) { + // 新增一个条目 + case URI_NOTE: + // 如果是插入 Note 数据表 + insertedId = noteId = db.insert(TABLE.NOTE, null, values); + break; + // 如果存在，查找NOTE_ID + case URI_DATA: + // 如果是插入 Data 数据表 + if (values.containsKey(DataColumns.NOTE_ID)) { + // 获取 Note ID + noteId = values.getAsLong(DataColumns.NOTE_ID); + } else { + // 如果 ContentValues 中没有 Note ID，记录日志并退出方法 + Log.d(TAG, "Wrong data format without note id:" + values.toString()); + } + // 插入数据行 + insertedId = dataId = db.insert(TABLE.DATA, null, values); + break; + default: + // 如果传入的 Uri 不合法，抛出 IllegalArgumentException 异常 + throw new IllegalArgumentException("Unknown URI " + uri); + } + // Notify the note uri + // notifyChange获得一个ContextResolver对象并且更新里面的内容 + // 如果插入操作成功，通知相关 Uri 的观察者 + // 通知 Note Uri + if (noteId > 0) { + getContext().getContentResolver().notifyChange( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); + } + + // Notify the data uri + // 通知 Data Uri + if (dataId > 0) { + getContext().getContentResolver().notifyChange( + ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); + } + + // 返回插入的uri的路径 + // 返回新插入数据的 Uri + return ContentUris.withAppendedId(uri, insertedId); + } + + @Override + // 删除一个uri + public int delete(Uri uri, String selection, String[] selectionArgs) { + // Uri代表要操作的数据，Android上可用的每种资源 -包括 图像、视频片段、音频资源等都可以用Uri来表示 + // 初始化变量 + int count = 0; + String id = null; + // 获得可写的数据库 + SQLiteDatabase db = mHelper.getWritableDatabase(); + boolean deleteData = false; + // 使用 switch-case 语句匹配传入的 Uri + switch (mMatcher.match(uri)) { + // 如果是 URI_NOTE，表示删除笔记 + case URI_NOTE: + // 将选定条件和 "ID>0" 结合起来 + selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 "; + // 执行删除操作，并返回受影响的行数 + count = db.delete(TABLE.NOTE, selection, selectionArgs); + break; + // 如果是 URI_NOTE_ITEM，表示删除单个笔记 + case URI_NOTE_ITEM: + // 从 Uri 中获取笔记的 ID + id = uri.getPathSegments().get(1); + // 如果笔记 ID 小于等于 0，则不允许删除 + long noteId = Long.valueOf(id); + if (noteId <= 0) { + break; + } + // 执行删除操作，并返回受影响的行数 + count = db.delete(TABLE.NOTE, + NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + break; + // 如果是 URI_DATA，表示删除数据 + case URI_DATA: + // 执行删除操作，并返回受影响的行数 + count = db.delete(TABLE.DATA, selection, selectionArgs); + deleteData = true; + break; + // 如果是 URI_DATA_ITEM，表示删除单个数据 + case URI_DATA_ITEM: + // 从 Uri 中获取数据的 ID + id = uri.getPathSegments().get(1); + // 执行删除操作，并返回受影响的行数 + count = db.delete(TABLE.DATA, + DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + deleteData = true; + break; + // 如果匹配失败，则抛出异常 + default: + throw new IllegalArgumentException("Unknown URI " + uri); + } + + // 如果受影响的行数大于 0 + if (count > 0) { + // 如果删除了数据，则通知数据发生了变化 + if (deleteData) { + getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); + } + // 通知 Uri 发生了变化 + getContext().getContentResolver().notifyChange(uri, null); + } + + // 返回受影响的行数 + return count; + } + + @Override + // 更新一个uri + public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { + int count = 0; + String id = null; + SQLiteDatabase db = mHelper.getWritableDatabase(); + boolean updateData = false; + // 根据 Uri 进行分支处理 + switch (mMatcher.match(uri)) { + case URI_NOTE: + // 更新笔记版本号 + increaseNoteVersion(-1, selection, selectionArgs); + // 更新笔记数据 + count = db.update(TABLE.NOTE, values, selection, selectionArgs); + break; + case URI_NOTE_ITEM: + // 获取 Uri 中的 id + id = uri.getPathSegments().get(1); + // 更新笔记版本号 + increaseNoteVersion(Long.valueOf(id), selection, selectionArgs); + // 根据 id 更新笔记数据 + count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id + + parseSelection(selection), selectionArgs); + break; + case URI_DATA: + // 更新数据表 + count = db.update(TABLE.DATA, values, selection, selectionArgs); + updateData = true; + break; + case URI_DATA_ITEM: + // 获取 Uri 中的 id + id = uri.getPathSegments().get(1); + // 根据 id 更新数据表 + count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id + + parseSelection(selection), selectionArgs); + updateData = true; + break; + default: + // 如果不匹配任何 Uri，抛出异常 + throw new IllegalArgumentException("Unknown URI " + uri); + } + + // 如果更新成功，发出通知 + if (count > 0) { + if (updateData) { + // 更新数据表时，通知笔记 Uri + getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); + } + // 通知当前 Uri + getContext().getContentResolver().notifyChange(uri, null); + } + return count; + } + + // 将字符串解析成规定格式 + private String parseSelection(String selection) { + // 如果查询条件不为空，返回 AND (查询条件) + return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); + } + + // 增加一个noteVersion + private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { + // 构建 SQL 语句 + StringBuilder sql = new StringBuilder(120); + sql.append("UPDATE "); + sql.append(TABLE.NOTE); + sql.append(" SET "); + sql.append(NoteColumns.VERSION); + sql.append("=" + NoteColumns.VERSION + "+1 "); + + // 如果传入的 ID 或者查询条件不为空，则在 SQL 语句中添加 WHERE 子句 + if (id > 0 || !TextUtils.isEmpty(selection)) { + sql.append(" WHERE "); + } + // 如果传入的 ID 不为空，添加 ID 条件 + if (id > 0) { + sql.append(NoteColumns.ID + "=" + String.valueOf(id)); + } + // 如果查询条件不为空，添加查询条件 + if (!TextUtils.isEmpty(selection)) { + // 解析查询条件中的参数 + String selectString = id > 0 ? parseSelection(selection) : selection; + for (String args : selectionArgs) { + selectString = selectString.replaceFirst("\\?", args); + } + sql.append(selectString); + } + + // 执行 SQL 语句，增加笔记版本号 + // execSQL()方法可以执行insert、delete、update和CREATE TABLE之类有更改行为的SQL语句 + mHelper.getWritableDatabase().execSQL(sql.toString()); + } + + @Override + public String getType(Uri uri) { + // TODO Auto-generated method stub + return null; // 返回 null + } + +} diff --git a/other/06_211440528 张锦辉_代码标注/gtask/data/MetaData.java b/other/06_211440528 张锦辉_代码标注/gtask/data/MetaData.java new file mode 100644 index 0000000..ab28a5e --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/gtask/data/MetaData.java @@ -0,0 +1,115 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +// 元数据类，用于生成元数据库，设置元数据内容和同步操作，从元数据中获取信息 +// MetaData类是Task类的子类，表示GTask的元数据。 +package net.micode.notes.gtask.data; + +import android.database.Cursor; +import android.util.Log; + +import net.micode.notes.tool.GTaskStringUtils; + +import org.json.JSONException; +import org.json.JSONObject; + + +public class MetaData extends Task { + // 功能描述：得到类的简写名称存入字符串TAG中 + // 实现过程：调用getSimpleName ()函数 + private final static String TAG = MetaData.class.getSimpleName(); + // 关联的gid + private String mRelatedGid = null; + + // 功能描述：设置数据，即生成元数据库，设置元数据的gid和相关信息 + // 实现过程：调用JSONObject库函数put ()，Task类中的setNotes ()和setName ()函数 + // 参数注解：gid 元数据的gid metaInfo 元数据的相关信息 + public void setMeta(String gid, JSONObject metaInfo) { + // 对函数块进行注释 + try { + metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); + // 将关联的gid放入metaInfo这个jsonobject对象中 + } catch (JSONException e) { + Log.e(TAG, "failed to put related gid"); + // 输出错误信息 + } + // 将元数据的相关信息转换为字符串，设置为Task的notes + setNotes(metaInfo.toString()); + // 设置Task的名称为元数据的名称 + setName(GTaskStringUtils.META_NOTE_NAME); + } + + // 功能描述：获取相关联的Gid + public String getRelatedGid() { + return mRelatedGid; + } + + // 功能描述：判断元数据是否有值，判断当前数据是否为空，若为空则返回真即值得保存 + // return 如果有备注信息则返回true，否则返回false。 + @Override + public boolean isWorthSaving() { + return getNotes() != null; + } + + // 功能描述：使用远程json数据对象设置元数据内容 + // 实现过程：调用父类Task中的setContentByRemoteJSON ()函数，并 + // 参数注解：js 远程JSON对象。 + @Override + public void setContentByRemoteJSON(JSONObject js) { + super.setContentByRemoteJSON(js); + if (getNotes() != null) { + try { + // 解析备注信息 + JSONObject metaInfo = new JSONObject(getNotes().trim()); + mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID); + } catch (JSONException e) { + Log.w(TAG, "failed to get related gid"); + // 输出警告信息 + mRelatedGid = null; + } + } + } + + // 功能描述：使用本地json数据对象设置元数据内容，一般不会用到，若用到，则抛出异常，本地JSON对象不应该调用该方法。 + // js 本地JSON对象。 + @Override + public void setContentByLocalJSON(JSONObject js) { + // 不应该被调用的方法 + // this function should not be called + throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); + // 传递非法参数异常 + } + + // 功能描述：从元数据内容中获取本地json对象，一般不会用到，若用到，则抛出异常，不应该被调用的方法。 + // return 不应该被调用的方法。 + @Override + public JSONObject getLocalJSONFromContent() { + throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); + // 传递非法参数异常 + } + + // 该方法接受一个 Cursor 参数，返回一个整型值， + // 方法体中抛出了一个 IllegalAccessError 异常， + // 并指定了异常消息为 "MetaData:getSyncAction should not be called"， + // 即 "MetaData:getSyncAction 不应该被调用"。 + + // 功能描述：获取同步动作状态，一般不会用到，若用到，则抛出异常 + @Override + public int getSyncAction(Cursor c) { + throw new IllegalAccessError("MetaData:getSyncAction should not be called"); + // 传递非法参数异常 + } + +} diff --git a/other/06_211440528 张锦辉_代码标注/gtask/data/Node.java b/other/06_211440528 张锦辉_代码标注/gtask/data/Node.java new file mode 100644 index 0000000..22d6bb1 --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/gtask/data/Node.java @@ -0,0 +1,128 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +// 数据抽象类，定义了指示同步操作的常量，用于执行同步操作的基础数据类型，设置和存储同步操作的相关信息 + +package net.micode.notes.gtask.data; + +import android.database.Cursor; + +import org.json.JSONObject; + +// 应该是同步操作的基础数据类型，定义了相关指示同步操作的常量 +// 关键字：abstract +public abstract class Node { + // 定义了各种用于表征同步状态的常量 + public static final int SYNC_ACTION_NONE = 0; + // 本地和云端都无可更新内容（即本地和云端内容一致） + // 同步行为-无操作 + public static final int SYNC_ACTION_ADD_REMOTE = 1; + // 需要在远程云端增加内容 + // 同步行为-添加远程 + public static final int SYNC_ACTION_ADD_LOCAL = 2; + // 需要在本地增加内容 + // 同步行为-添加本地 + public static final int SYNC_ACTION_DEL_REMOTE = 3; + // 需要在远程云端删除内容 + // 同步行为-删除远程 + public static final int SYNC_ACTION_DEL_LOCAL = 4; + // 需要在本地删除内容 + // 同步行为-删除本地 + public static final int SYNC_ACTION_UPDATE_REMOTE = 5; + // 需要将本地内容更新到远程云端 + // 同步行为-更新远程 + public static final int SYNC_ACTION_UPDATE_LOCAL = 6; + // 需要将远程云端内容更新到本地 + // 同步行为-更新本地 + public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; + // 同步出现冲突 + // 同步行为-更新冲突 + public static final int SYNC_ACTION_ERROR = 8; + // 同步出现错误 + // 同步行为-错误 + private String mGid; + // 表示节点的全局唯一标识符（global identifier） + private String mName; + // 表示节点的名称 + private long mLastModified; + // 表示节点最后一次修改时间 + private boolean mDeleted; + // 表示节点是否已被删除 + + public Node() { + mGid = null; + mName = ""; + mLastModified = 0; + mDeleted = false; + } + + // 抽象方法，获取创建操作的 JSON 对象 + public abstract JSONObject getCreateAction(int actionId); + + // 抽象方法，获取更新操作的 JSON 对象 + public abstract JSONObject getUpdateAction(int actionId); + + // 抽象方法，根据远程 JSON 对象设置内容 + public abstract void setContentByRemoteJSON(JSONObject js); + + // 抽象方法，根据本地 JSON 对象设置内容 + public abstract void setContentByLocalJSON(JSONObject js); + + // 抽象方法，将内容转换为本地 JSON 对象 + public abstract JSONObject getLocalJSONFromContent(); + + // 抽象方法，根据游标获取同步操作类型 + public abstract int getSyncAction(Cursor c); + + // 设置节点 ID + public void setGid(String gid) { + this.mGid = gid; + } + + // 设置节点名称 + public void setName(String name) { + this.mName = name; + } + + // 设置最后修改时间 + public void setLastModified(long lastModified) { + this.mLastModified = lastModified; + } + + // 设置是否已删除 + public void setDeleted(boolean deleted) { + this.mDeleted = deleted; + } + + // 获取节点 ID + public String getGid() { + return this.mGid; + } + + // 获取节点名称 + public String getName() { + return this.mName; + } + + // 获取最后修改时间 + public long getLastModified() { + return this.mLastModified; + } + + // 获取是否已删除 + public boolean getDeleted() { + return this.mDeleted; + } +} \ No newline at end of file diff --git a/other/06_211440528 张锦辉_代码标注/gtask/data/SqlData.java b/other/06_211440528 张锦辉_代码标注/gtask/data/SqlData.java new file mode 100644 index 0000000..127201b --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/gtask/data/SqlData.java @@ -0,0 +1,229 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +// Description：用于支持小米便签最底层的数据库相关操作，和sqlnote的关系上是子集关系，即data是note的子集（节点）。 +// SqlData其实就是也就是所谓数据中的数据 +// 数据库中的数据类，用于执行最底层的数据库相关操作，包括初始化、获取、提交、加载、共享数据，获取当前ID + +package net.micode.notes.gtask.data; + +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.Context; +import android.database.Cursor; +import android.net.Uri; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.data.NotesDatabaseHelper.TABLE; +import net.micode.notes.gtask.exception.ActionFailureException; + +import org.json.JSONException; +import org.json.JSONObject; + + +public class SqlData { + // 功能描述：得到类的简写名称存入字符串TAG中 + // 实现过程：调用getSimpleName ()函数 + private static final String TAG = SqlData.class.getSimpleName(); + // TAG常量，用于在日志中标记这个类 + + private static final int INVALID_ID = -99999; // 无效ID常量 + + // 来自Notes类中定义的DataColumn中的一些常量 + + // 集合了interface DataColumns中所有SF常量 + // PROJECTION_DATA常量数组，用于查询数据表中的字段 + public static final String[] PROJECTION_DATA = new String[] { + DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, + DataColumns.DATA3 + }; + + // 以下五个变量作为sql表中5列的编号 + // 数据表字段的索引常量，用于读取查询结果集 + public static final int DATA_ID_COLUMN = 0; + + public static final int DATA_MIME_TYPE_COLUMN = 1; + + public static final int DATA_CONTENT_COLUMN = 2; + + public static final int DATA_CONTENT_DATA_1_COLUMN = 3; + + public static final int DATA_CONTENT_DATA_3_COLUMN = 4; + + private ContentResolver mContentResolver; + // ContentResolver对象，用于操作数据表 + // 判断是否直接用Content生成，是为true，否则为false + private boolean mIsCreate; // 是否创建了数据 + + private long mDataId; // 数据ID + + private String mDataMimeType; // 数据类型 + + private String mDataContent; // 数据内容 + + private long mDataContentData1; // 数据字段1 + + private String mDataContentData3; // 数据字段3 + + private ContentValues mDiffDataValues; // ContentValues对象，用于更新数据表的内容 + + // 功能描述：构造函数，用于初始化数据，初始化ContentResolver对象 + // 参数注解：mContentResolver用于获取ContentProvider提供的数据 + // 参数注解：mIsCreate表征当前数据是用哪种方式创建（两种构造函数的参数不同） + public SqlData(Context context) { + mContentResolver = context.getContentResolver(); + mIsCreate = true; + mDataId = INVALID_ID; // mDataId置初始值-99999 + mDataMimeType = DataConstants.NOTE; + mDataContent = ""; + mDataContentData1 = 0; + mDataContentData3 = ""; + mDiffDataValues = new ContentValues(); + } + + // 功能描述：构造函数，初始化数据 + // 参数注解：mContentResolver用于获取ContentProvider提供的数据 + // 参数注解：mIsCreate表征当前数据是用哪种方式创建（两种构造函数的参数不同） + public SqlData(Context context, Cursor c) { + mContentResolver = context.getContentResolver(); + mIsCreate = false; + loadFromCursor(c); + mDiffDataValues = new ContentValues(); + } + + // 功能描述：从光标处加载数据，从Cursor对象中读取数据 + // 从当前的光标处将五列的数据加载到该类的对象 + private void loadFromCursor(Cursor c) { + mDataId = c.getLong(DATA_ID_COLUMN); // 读取数据ID + mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); // 读取数据类型 + mDataContent = c.getString(DATA_CONTENT_COLUMN); // 读取数据内容 + mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN); // 读取数据字段1 + mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); // 读取数据字段3 + } + + // 功能描述：设置用于共享的数据，并提供异常抛出与处理机制，设置数据内容 + // 参数注解： + public void setContent(JSONObject js) throws JSONException { + // 如果传入的JSONObject对象中有DataColumns.ID这一项，则设置，否则设为INVALID_ID + // 从JSONObject对象中读取数据，若不存在则使用默认值 + long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; + // 比较新数据和旧数据，如果不同则添加到ContentValues对象中 + if (mIsCreate || mDataId != dataId) { + mDiffDataValues.put(DataColumns.ID, dataId); + } + mDataId = dataId; + + String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE) + : DataConstants.NOTE; + if (mIsCreate || !mDataMimeType.equals(dataMimeType)) { + mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType); + } + mDataMimeType = dataMimeType; + + String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : ""; + if (mIsCreate || !mDataContent.equals(dataContent)) { + mDiffDataValues.put(DataColumns.CONTENT, dataContent); + } + mDataContent = dataContent; + + long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0; + if (mIsCreate || mDataContentData1 != dataContentData1) { + mDiffDataValues.put(DataColumns.DATA1, dataContentData1); + } + mDataContentData1 = dataContentData1; + + String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : ""; + if (mIsCreate || !mDataContentData3.equals(dataContentData3)) { + mDiffDataValues.put(DataColumns.DATA3, dataContentData3); + } + mDataContentData3 = dataContentData3; + } + + // 功能描述：获取共享的数据内容，并提供异常抛出与处理机制 + // 参数注解： + public JSONObject getContent() throws JSONException { + // 如果数据还没有在数据库中创建，则返回null，并打印错误日志 + if (mIsCreate) { + Log.e(TAG, "it seems that we haven't created this in database yet"); + return null; + } + // 创建JSONObject对象。并将相关数据放入其中，并返回。 + JSONObject js = new JSONObject(); + js.put(DataColumns.ID, mDataId); + js.put(DataColumns.MIME_TYPE, mDataMimeType); + js.put(DataColumns.CONTENT, mDataContent); + js.put(DataColumns.DATA1, mDataContentData1); + js.put(DataColumns.DATA3, mDataContentData3); + return js; + } + + // 功能描述：commit函数用于把当前造作所做的修改保存到数据库 + // 参数注解： + public void commit(long noteId, boolean validateVersion, long version) { + // 如果数据还没有在数据库中创建，则将其插入到数据库中 + if (mIsCreate) { + // 如果数据id无效且存在于差异数据值中，则从差异数据值中删除该id + if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) { + mDiffDataValues.remove(DataColumns.ID); + } + // 将数据与所属笔记的id关联起来，并将其插入到数据库中 + mDiffDataValues.put(DataColumns.NOTE_ID, noteId); + Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues); + try { + // 从uri中获取新插入数据的id + mDataId = Long.valueOf(uri.getPathSegments().get(1)); + } catch (NumberFormatException e) { + Log.e(TAG, "Get note id error :" + e.toString()); + throw new ActionFailureException("create note failed"); + } + } else { + // 如果数据已存在于数据库中，则将其更新 + if (mDiffDataValues.size() > 0) { + int result = 0; + // 如果需要验证版本号，则只有当笔记的版本号与指定版本号相同时，才能更新数据 + if (!validateVersion) { + result = mContentResolver.update(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); + } else { + result = mContentResolver.update(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, + " ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE + + " WHERE " + NoteColumns.VERSION + "=?)", new String[] { + String.valueOf(noteId), String.valueOf(version) + }); + } + // 如果更新的数据数量为0，则打印警告日志 + if (result == 0) { + Log.w(TAG, "there is no update. maybe user updates note when syncing"); + } + } + } + // 清空差异数据值，并将是否创建标志设为false + mDiffDataValues.clear(); + mIsCreate = false; + } + + // 功能描述：获取当前id + // 实现过程：返回数据索引 + // 参数注解： + public long getId() { + return mDataId; + } +} \ No newline at end of file diff --git a/other/06_211440528 张锦辉_代码标注/gtask/data/SqlNote.java b/other/06_211440528 张锦辉_代码标注/gtask/data/SqlNote.java new file mode 100644 index 0000000..8c24dda --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/gtask/data/SqlNote.java @@ -0,0 +1,590 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +// Description：用于支持小米便签最底层的数据库相关操作，和sqldata的关系上是父集关系，即note是data的子父集。 +// 和SqlData相比，SqlNote算是真正意义上的数据了。 +// 数据库中便签数据类，用于执行最底层的数据库相关操作，包括初始化数据，加载数据，获取共享数据，初始化修改，提交修改到数据库 + +package net.micode.notes.gtask.data; + +import android.appwidget.AppWidgetManager; +import android.content.ContentResolver; +import android.content.ContentValues; +import android.content.Context; +import android.database.Cursor; +import android.net.Uri; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.exception.ActionFailureException; +import net.micode.notes.tool.GTaskStringUtils; +import net.micode.notes.tool.ResourceParser; + +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +import java.util.ArrayList; + + +public class SqlNote { + // 功能描述：得到类的简写名称存入字符串TAG中 + // 实现过程：调用getSimpleName ()函数 + private static final String TAG = SqlNote.class.getSimpleName(); + + private static final int INVALID_ID = -99999; + // 集合了interface NoteColumns中所有SF常量（17个） + + public static final String[] PROJECTION_NOTE = new String[] { + NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID, + NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE, + NoteColumns.NOTES_COUNT, NoteColumns.PARENT_ID, NoteColumns.SNIPPET, NoteColumns.TYPE, + NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE, NoteColumns.SYNC_ID, + NoteColumns.LOCAL_MODIFIED, NoteColumns.ORIGIN_PARENT_ID, NoteColumns.GTASK_ID, + NoteColumns.VERSION + // 以下设置17个列的编号 + }; + // 定义一个公共静态常量PROJECTION_NOTE，表示需要查询的列名数组 + + public static final int ID_COLUMN = 0; + // 定义一个公共静态常量ID_COLUMN，表示查询结果集合中id列的下标 + + public static final int ALERTED_DATE_COLUMN = 1; + // 定义一个公共静态常量ALERTED_DATE_COLUMN，表示查询结果集合中alerted_date列的下标 + + public static final int BG_COLOR_ID_COLUMN = 2; + + public static final int CREATED_DATE_COLUMN = 3; + + public static final int HAS_ATTACHMENT_COLUMN = 4; + + public static final int MODIFIED_DATE_COLUMN = 5; + + public static final int NOTES_COUNT_COLUMN = 6; + + public static final int PARENT_ID_COLUMN = 7; + + public static final int SNIPPET_COLUMN = 8; + + public static final int TYPE_COLUMN = 9; + + public static final int WIDGET_ID_COLUMN = 10; + + public static final int WIDGET_TYPE_COLUMN = 11; + + public static final int SYNC_ID_COLUMN = 12; + + public static final int LOCAL_MODIFIED_COLUMN = 13; + + public static final int ORIGIN_PARENT_ID_COLUMN = 14; + + public static final int GTASK_ID_COLUMN = 15; + + public static final int VERSION_COLUMN = 16; + + // 一下定义了17个内部的变量，其中12个可以由content中获得，5个需要初始化为0或者new + private Context mContext; + + private ContentResolver mContentResolver; + + private boolean mIsCreate; + + private long mId; + + private long mAlertDate; + + private int mBgColorId; + + private long mCreatedDate; + + private int mHasAttachment; + + private long mModifiedDate; + + private long mParentId; + + private String mSnippet; + + private int mType; + + private int mWidgetId; + + private int mWidgetType; + + private long mOriginParent; + + private long mVersion; + + private ContentValues mDiffNoteValues; + // 定义一个私有成员变量mDiffNoteValues，表示当前对象的差异值 + + private ArrayList mDataList; + // 定义一个私有成员变量mDataList，表示当前对象的数据列表 + + // 功能描述：构造函数 + // 参数注解： mIsCreate用于标示构造方式 + + // 构造函数只有context，对所有的变量进行初始化 + public SqlNote(Context context) { + mContext = context; // 保存上下文对象 + mContentResolver = context.getContentResolver(); // 获取ContentResolver对象 + mIsCreate = true; // 标记对象是否新建 + mId = INVALID_ID; // 设置对象的id为无效值 + mAlertDate = 0; // 设置提醒日期为0 + mBgColorId = ResourceParser.getDefaultBgId(context); // 设置默认背景颜色 + mCreatedDate = System.currentTimeMillis(); // 获取当前系统时间作为创建日期 + mHasAttachment = 0; // 设置对象是否有附件为0（没有） + mModifiedDate = System.currentTimeMillis(); // 获取当前系统时间作为修改日期 + mParentId = 0; // 设置对象的父id为0 + mSnippet = ""; // 设置摘要为空字符串 + mType = Notes.TYPE_NOTE; // 设置对象类型为笔记 + mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID; // 设置小部件id为无效值 + mWidgetType = Notes.TYPE_WIDGET_INVALIDE; // 设置小部件类型为无效值 + mOriginParent = 0; // 设置对象的原始父id为0 + mVersion = 0; // 设置对象版本号为0 + mDiffNoteValues = new ContentValues(); // 初始化对象值差异 + mDataList = new ArrayList(); // 初始化数据列表 + } + + // 功能描述：构造函数 + // SqlNote类的构造函数，用于从Cursor对象中加载数据，创建SqlNote对象 + // 参数注解： mIsCreate用于标示构造方式 + + // 构造函数有context和一个数据库的cursor，多数变量通过cursor指向的一条记录直接进行初始化 + public SqlNote(Context context, Cursor c) { + mContext = context; // 保存上下文对象 + mContentResolver = context.getContentResolver(); // 获取ContentResolver对象 + mIsCreate = false; // 标记对象不是新建 + loadFromCursor(c); // 从Cursor对象中加载数据 + mDataList = new ArrayList(); // 初始化数据列表 + if (mType == Notes.TYPE_NOTE) // 如果对象是笔记类型 + loadDataContent(); // 加载笔记数据内容 + mDiffNoteValues = new ContentValues(); // 初始化对象值差异 + } + + // 功能描述：构造函数 + // SqlNote类的构造函数，用于从id值中加载数据，创建SqlNote对象 + // 参数注解： mIsCreate用于标示构造方式 + public SqlNote(Context context, long id) { + mContext = context; // 保存上下文对象 + mContentResolver = context.getContentResolver(); // 获取ContentResolver对象 + mIsCreate = false; // 标记对象不是新建 + loadFromCursor(id); // 从id值中加载数据 + mDataList = new ArrayList(); // 初始化数据列表 + if (mType == Notes.TYPE_NOTE) // 如果对象是笔记类型 + loadDataContent(); // 加载笔记数据内容 + mDiffNoteValues = new ContentValues(); // 初始化对象值差异 + } + + // 功能描述：通过id从光标处加载数据，根据id从数据库中查询便签数据并加载 + private void loadFromCursor(long id) { + Cursor c = null; // 声明一个 Cursor 变量并初始化为 null + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)", + new String[] { + String.valueOf(id) + }, null); + // 通过id获得对应的ContentResolver中的cursor，通过内容提供器获取便签的 Cursor + if (c != null) { + c.moveToNext(); // 将 Cursor 移到下一行，因为默认情况下它指向的是查询结果的第一行之前的位置 + loadFromCursor(c); // 加载数据到 SqlNote 的成员变量中 + // 然后加载数据进行初始化，这与函数SqlNote(Context context, long id) + // 与SqlNote(Context context, long id)的实现方式基本相同 + } else { + Log.w(TAG, "loadFromCursor: cursor = null"); // 输出警告日志 + } + } finally { + if (c != null) + c.close(); + } + } + + // 功能描述：通过游标从光标处加载数据，从 Cursor 中加载便签数据 + private void loadFromCursor(Cursor c) { + // 直接从一条记录中的获得以下变量的初始值 + mId = c.getLong(ID_COLUMN); // 获取便签的 id + mAlertDate = c.getLong(ALERTED_DATE_COLUMN); // 获取提醒时间 + mBgColorId = c.getInt(BG_COLOR_ID_COLUMN); // 获取背景颜色 ID + mCreatedDate = c.getLong(CREATED_DATE_COLUMN); // 获取创建时间 + mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN); // 获取是否有附件 + mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN); // 获取修改时间 + mParentId = c.getLong(PARENT_ID_COLUMN); // 获取父级便签的 id + mSnippet = c.getString(SNIPPET_COLUMN); // 获取便签内容的摘要信息 + mType = c.getInt(TYPE_COLUMN); // 获取便签类型 + mWidgetId = c.getInt(WIDGET_ID_COLUMN); // 获取小部件的 id + mWidgetType = c.getInt(WIDGET_TYPE_COLUMN); // 获取小部件类型 + mVersion = c.getLong(VERSION_COLUMN); // 获取版本号 + } + + // 功能描述：通过content机制获取共享数据并加载到数据库当前游标处 + // 参数注解： + private void loadDataContent() { + Cursor c = null; //定义游标c + mDataList.clear(); //清空数据列表mDataList + try { + //查询内容提供器，获取数据，条件为note_id=mId，即查询当前笔记的数据内容 + c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA, + "(note_id=?)", new String[] { + String.valueOf(mId) + }, null); + if (c != null) { //如果游标c不为空 + if (c.getCount() == 0) { //如果游标c的数量为0，则表示当前笔记无数据内容 + Log.w(TAG, "it seems that the note has not data"); //输出警告信息 + return; //返回 + } + while (c.moveToNext()) { //如果游标c有下一行记录，则遍历游标c + SqlData data = new SqlData(mContext, c); //新建SqlData对象data，传入mContext和游标c + mDataList.add(data); //将data加入到数据列表mDataList中 + } + } else { + Log.w(TAG, "loadDataContent: cursor = null"); //输出警告信息 + } + } finally { + //无论如何都执行finally块中的代码 + if (c != null) + c.close(); + } + } + + // 功能描述：设置通过content机制用于共享的数据信息 + // 参数注解： + public boolean setContent(JSONObject js) { + try { + // 获取note对象 + JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + // 如果笔记类型为系统文件夹，则不能设置内容 + if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { + Log.w(TAG, "cannot set system folder"); + } + // 如果笔记类型为文件夹 + else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { + // 可以更新snippet和类型 + String snippet = note.has(NoteColumns.SNIPPET) ? note.getString(NoteColumns.SNIPPET) : ""; + // 如果是新建笔记或者snippet改变，则将新值放入mDiffNoteValues中 + if (mIsCreate || !mSnippet.equals(snippet)) { + mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); + } + + int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) + : Notes.TYPE_NOTE; + if (mIsCreate || mType != type) { + mDiffNoteValues.put(NoteColumns.TYPE, type); + } + mType = type; + } + // 如果笔记类型为便签 + else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) { + JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); + long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID; + if (mIsCreate || mId != id) { + mDiffNoteValues.put(NoteColumns.ID, id); + } + mId = id; + + // 获取提醒时间 + long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note + .getLong(NoteColumns.ALERTED_DATE) : 0; + if (mIsCreate || mAlertDate != alertDate) { + mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate); + } + + mAlertDate = alertDate; + + // 获取背景颜色id + int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note + .getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext); + if (mIsCreate || mBgColorId != bgColorId) { + mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId); + } + mBgColorId = bgColorId; + + // 获取笔记创建时间 + long createDate = note.has(NoteColumns.CREATED_DATE) ? note + .getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis(); + if (mIsCreate || mCreatedDate != createDate) { + mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate); + } + mCreatedDate = createDate; + + // 获取笔记是否有附件 + int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note + .getInt(NoteColumns.HAS_ATTACHMENT) : 0; + if (mIsCreate || mHasAttachment != hasAttachment) { + mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment); + } + mHasAttachment = hasAttachment; + + long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note + .getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis(); + if (mIsCreate || mModifiedDate != modifiedDate) { + mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate); + } + mModifiedDate = modifiedDate; + + long parentId = note.has(NoteColumns.PARENT_ID) ? note + .getLong(NoteColumns.PARENT_ID) : 0; + if (mIsCreate || mParentId != parentId) { + mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId); + } + mParentId = parentId; + + // 获取笔记的摘要 + String snippet = note.has(NoteColumns.SNIPPET) ? note + .getString(NoteColumns.SNIPPET) : ""; + if (mIsCreate || !mSnippet.equals(snippet)) { + mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); + } + mSnippet = snippet; + + // 获取笔记的类型 + int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) + : Notes.TYPE_NOTE; + if (mIsCreate || mType != type) { + mDiffNoteValues.put(NoteColumns.TYPE, type); + } + mType = type; + + // 获取笔记的小部件 ID + int widgetId = note.has(NoteColumns.WIDGET_ID) ? note.getInt(NoteColumns.WIDGET_ID) + : AppWidgetManager.INVALID_APPWIDGET_ID; + if (mIsCreate || mWidgetId != widgetId) { + mDiffNoteValues.put(NoteColumns.WIDGET_ID, widgetId); + } + mWidgetId = widgetId; + + // 获取笔记的小部件类型 + int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note + .getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE; + if (mIsCreate || mWidgetType != widgetType) { + mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType); + } + mWidgetType = widgetType; + + long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note + .getLong(NoteColumns.ORIGIN_PARENT_ID) : 0; + if (mIsCreate || mOriginParent != originParent) { + mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent); + } + mOriginParent = originParent; + + // 获取笔记的附加数据 + for (int i = 0; i < dataArray.length(); i++) { + JSONObject data = dataArray.getJSONObject(i); + SqlData sqlData = null; + if (data.has(DataColumns.ID)) { + long dataId = data.getLong(DataColumns.ID); + for (SqlData temp : mDataList) { + if (dataId == temp.getId()) { + sqlData = temp; + } + } + } + + if (sqlData == null) { + sqlData = new SqlData(mContext); + mDataList.add(sqlData); + } + + sqlData.setContent(data); + } + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return false; + } + return true; + } + + // 功能描述：获取content机制提供的数据并加载到note中， 获取笔记内容的JSONObject对象 + // return 笔记内容的JSONObject对象，若该笔记未在数据库中创建，则返回null + // 参数注解： + public JSONObject getContent() { + try { + JSONObject js = new JSONObject(); + + // 如果该笔记未在数据库中创建，则返回null + if (mIsCreate) { + Log.e(TAG, "it seems that we haven't created this in database yet"); + return null; + } + + // 构造笔记的JSONObject对象 + JSONObject note = new JSONObject(); + if (mType == Notes.TYPE_NOTE) { + note.put(NoteColumns.ID, mId); + note.put(NoteColumns.ALERTED_DATE, mAlertDate); + note.put(NoteColumns.BG_COLOR_ID, mBgColorId); + note.put(NoteColumns.CREATED_DATE, mCreatedDate); + note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment); + note.put(NoteColumns.MODIFIED_DATE, mModifiedDate); + note.put(NoteColumns.PARENT_ID, mParentId); + note.put(NoteColumns.SNIPPET, mSnippet); + note.put(NoteColumns.TYPE, mType); + note.put(NoteColumns.WIDGET_ID, mWidgetId); + note.put(NoteColumns.WIDGET_TYPE, mWidgetType); + note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent); + js.put(GTaskStringUtils.META_HEAD_NOTE, note); + + // 构造数据的JSONArray对象 + JSONArray dataArray = new JSONArray(); + for (SqlData sqlData : mDataList) { + JSONObject data = sqlData.getContent(); + if (data != null) { + dataArray.put(data); + } + } + js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); + } else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) { + // 如果该笔记为文件夹或系统笔记，则构造简单的笔记JSONObject对象 + note.put(NoteColumns.ID, mId); + note.put(NoteColumns.TYPE, mType); + note.put(NoteColumns.SNIPPET, mSnippet); + js.put(GTaskStringUtils.META_HEAD_NOTE, note); + } + + return js; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + return null; + } + + // 功能描述：给当前id设置父id + // 参数注解： + public void setParentId(long id) { + mParentId = id; + mDiffNoteValues.put(NoteColumns.PARENT_ID, id); + } + + // 功能描述：给当前id设置Gtaskid + // 参数注解： + public void setGtaskId(String gid) { + mDiffNoteValues.put(NoteColumns.GTASK_ID, gid); + } + + // 功能描述：给当前id设置同步id + // 参数注解： + public void setSyncId(long syncId) { + mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId); + } + + // 功能描述：初始化本地修改，即撤销所有当前修改 + // 参数注解： + public void resetLocalModified() { + mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); + } + + // 功能描述：获得当前id + // 参数注解： + public long getId() { + return mId; + } + + // 功能描述：获得当前id的父id + // 参数注解： + public long getParentId() { + return mParentId; + } + + // 功能描述：获取小片段即用于显示的部分便签内容 + // 参数注解： + public String getSnippet() { + return mSnippet; + } + + // 功能描述：判断是否为便签类型 + // 参数注解： + public boolean isNoteType() { + return mType == Notes.TYPE_NOTE; + } + + // 功能描述：commit函数用于把当前造作所做的修改保存到数据库 + // 参数注解： + public void commit(boolean validateVersion) { + if (mIsCreate) { + // 如果当前的 Note 是新建的 + // 如果当前 Note 的 ID 是无效的，并且存在 ID 字段，则将其从 DiffNoteValues 中移除 + if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) { + mDiffNoteValues.remove(NoteColumns.ID); + } + + // 将当前 Note 插入到数据库中，并从返回的 URI 中获取 Note 的 ID + Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues); + try { + mId = Long.valueOf(uri.getPathSegments().get(1)); + } catch (NumberFormatException e) { + Log.e(TAG, "Get note id error :" + e.toString()); + throw new ActionFailureException("create note failed"); + } + + // 如果获取到的 Note 的 ID 为 0，则抛出异常 + if (mId == 0) { + throw new IllegalStateException("Create thread id failed"); + } + + // 如果当前 Note 是普通笔记，则将其关联的 SqlData 数据写入到数据库中 + if (mType == Notes.TYPE_NOTE) { + for (SqlData sqlData : mDataList) { + sqlData.commit(mId, false, -1); + } + } + } else { // 如果当前的 Note 不是新建的 + // 如果当前 Note 的 ID 无效，则抛出异常 + if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) { + Log.e(TAG, "No such note"); + throw new IllegalStateException("Try to update note with invalid id"); + } + + // 如果当前 Note 的 DiffNoteValues 中存在修改过的值，则将其更新到数据库中 + if (mDiffNoteValues.size() > 0) { + mVersion ++; // 更新 Note 的版本号 + int result = 0; + if (!validateVersion) { // 如果不需要验证版本号，则直接更新数据库 + result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" + + NoteColumns.ID + "=?)", new String[] { + String.valueOf(mId) + }); + } else { // 如果需要验证版本号，则在更新数据库时指定版本号 + result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" + + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)", + new String[] { + String.valueOf(mId), String.valueOf(mVersion) + }); + } + if (result == 0) { + Log.w(TAG, "there is no update. maybe user updates note when syncing"); + } + } + + // 如果当前 Note 是普通笔记，则将其关联的 SqlData 数据写入到数据库中 + if (mType == Notes.TYPE_NOTE) { + for (SqlData sqlData : mDataList) { + sqlData.commit(mId, validateVersion, mVersion); + } + } + } + + // 刷新当前 Note 对象的本地数据，并将其 DiffNoteValues 清空 + loadFromCursor(mId); + if (mType == Notes.TYPE_NOTE) + loadDataContent(); + mDiffNoteValues.clear(); + mIsCreate = false; + } +} \ No newline at end of file diff --git a/other/06_211440528 张锦辉_代码标注/gtask/data/Task.java b/other/06_211440528 张锦辉_代码标注/gtask/data/Task.java new file mode 100644 index 0000000..c104d01 --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/gtask/data/Task.java @@ -0,0 +1,373 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +// 任务类，用于在任务列表中查询当前所执行的任务，将任务相关信息进行本地和远程的同步，对结点内容进行设置，获取同步任务信息 + +package net.micode.notes.gtask.data; + +import android.database.Cursor; +import android.text.TextUtils; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.exception.ActionFailureException; +import net.micode.notes.tool.GTaskStringUtils; + +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + + +public class Task extends Node { + private static final String TAG = Task.class.getSimpleName(); + + private boolean mCompleted; // 是否完成 + + private String mNotes; + + private JSONObject mMetaInfo; // 将在实例中存储数据的类型 + + private Task mPriorSibling; // 对应的优先兄弟Task的指针 + + private TaskList mParent; // 所在的任务列表的指针 + + public Task() { + super(); + mCompleted = false; + mNotes = null; + mPriorSibling = null; // TaskList中当前Task前面的Task的指针 + mParent = null; // 当前Task所在的TaskList + mMetaInfo = null; + } + + public JSONObject getCreateAction(int actionId) { + JSONObject js = new JSONObject(); + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); + + // 设置创建操作的ID + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + // 设置待办事项在父任务中的索引位置 + js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this)); + + // 设置待办事项任务的entity_delta对象 + JSONObject entity = new JSONObject(); + entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 设置待办事项任务的名称 + entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); // 设置待办事项任务的创建者ID + entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, + GTaskStringUtils.GTASK_JSON_TYPE_TASK); // 设置待办事项任务的entity类型为"task" + if (getNotes() != null) { // 如果待办事项任务有备注信息，则添加到entity_delta对象中 + entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); + } + js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); + + // 设置待办事项任务所属的父任务ID + js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid()); + + // 设置父任务类型为"group" + js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, + GTaskStringUtils.GTASK_JSON_TYPE_GROUP); + + // 设置待办事项任务所属的列表ID + js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid()); + + // 如果待办事项任务有前一个同级任务，则设置prior_sibling_id为前一个同级任务的ID + if (mPriorSibling != null) { + js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid()); + } + + + } catch (JSONException e) { + Log.e(TAG, e.toString()); // 打印异常信息 + e.printStackTrace(); // 打印堆栈跟踪信息 + throw new ActionFailureException("fail to generate task-create jsonobject"); // 抛出创建操作失败的异常 + } + + // 返回待办事项任务的创建操作的JSONObject对象 + return js; + } + + public JSONObject getUpdateAction(int actionId) { + JSONObject js = new JSONObject(); + + try { + // 设置待办事项任务的操作类型为更新 + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); + + // 设置待办事项任务的操作ID + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + // 设置待办事项任务的ID + js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); + + // 设置待办事项任务的实体差异 + JSONObject entity = new JSONObject(); + entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 设置待办事项任务的名称 + if (getNotes() != null) { + entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); // 如果有备注信息，则设置待办事项任务的备注信息 + } + entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); // 设置待办事项任务是否已经被删除 + js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); // 将实体差异添加到操作JSONObject对象中 + + } catch (JSONException e) { + Log.e(TAG, e.toString()); // 打印异常信息 + e.printStackTrace(); // 打印堆栈跟踪信息 + throw new ActionFailureException("fail to generate task-update jsonobject"); // 抛出更新操作失败的异常 + } + + // 返回待办事项任务的更新操作的JSONObject对象 + return js; + } + + public void setContentByRemoteJSON(JSONObject js) { + if (js != null) { + try { + // id + // 设置任务id + // last_modified + if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { + setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); // 设置任务最后修改时间 + } + + // name + if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { + setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); // 设置任务名称 + } + + // notes + if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) { + setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES)); // 设置任务备注信息 + } + + // deleted + if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) { + setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED)); // 设置任务是否被删除 + } + + // completed + if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) { + setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED)); // 设置任务是否已完成 + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); // 打印异常信息 + e.printStackTrace(); // 打印异常堆栈信息 + throw new ActionFailureException("fail to get task content from jsonobject"); // 抛出操作失败异常 + } + } + } + + public void setContentByLocalJSON(JSONObject js) { + if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE) + || !js.has(GTaskStringUtils.META_HEAD_DATA)) { + Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");// 打印警告日志 + } + + try { + JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); + + if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) { + Log.e(TAG, "invalid type"); + return; + } + + for (int i = 0; i < dataArray.length(); i++) { + JSONObject data = dataArray.getJSONObject(i); + if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) { + setName(data.getString(DataColumns.CONTENT));// 设置任务名称 + break; + } + } + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + } + + public JSONObject getLocalJSONFromContent() { + String name = getName(); + try { + if (mMetaInfo == null) { + // 从网络创建新任务 + if (name == null) { + Log.w(TAG, "the note seems to be an empty one"); + return null; + } + + JSONObject js = new JSONObject(); + JSONObject note = new JSONObject(); + JSONArray dataArray = new JSONArray(); + JSONObject data = new JSONObject(); + data.put(DataColumns.CONTENT, name); + dataArray.put(data); + js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); + note.put(NoteColumns.TYPE, Notes.TYPE_NOTE); + js.put(GTaskStringUtils.META_HEAD_NOTE, note); + return js; + } else { + // 同步任务 + JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA); + + for (int i = 0; i < dataArray.length(); i++) { + JSONObject data = dataArray.getJSONObject(i); + if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) { + data.put(DataColumns.CONTENT, getName());// 更新任务名称 + break; + } + } + + note.put(NoteColumns.TYPE, Notes.TYPE_NOTE); + return mMetaInfo; + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return null; + } + } + + // 设置元数据信息 + public void setMetaInfo(MetaData metaData) { + if (metaData != null && metaData.getNotes() != null) { + try { + mMetaInfo = new JSONObject(metaData.getNotes()); + } catch (JSONException e) { + Log.w(TAG, e.toString()); + mMetaInfo = null; + } + } + } + + public int getSyncAction(Cursor c) { + try { + JSONObject noteInfo = null; + if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) { + noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + } + + if (noteInfo == null) { + Log.w(TAG, "笔记元信息已被删除"); + return SYNC_ACTION_UPDATE_REMOTE; // 本地笔记元信息已被删除，需要更新到远程 + } + + if (!noteInfo.has(NoteColumns.ID)) { + Log.w(TAG, "远程笔记ID已被删除"); + return SYNC_ACTION_UPDATE_LOCAL; // 远程笔记ID已被删除，需要更新到本地 + } + + // 验证笔记ID + if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) { + Log.w(TAG, "笔记ID不匹配"); + return SYNC_ACTION_UPDATE_LOCAL; // 本地笔记ID与远程笔记ID不匹配，需要更新到本地 + } + + if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { + // 没有本地更新 + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // 两边都没有更新 + return SYNC_ACTION_NONE; // 无需同步 + } else { + // 应用远程更新到本地 + return SYNC_ACTION_UPDATE_LOCAL; // 远程有更新，需要更新到本地 + } + } else { + // 验证gtask ID + if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { + Log.e(TAG, "gtask ID不匹配"); + return SYNC_ACTION_ERROR; // gtask ID不匹配，错误 + } + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // 本地有修改 + return SYNC_ACTION_UPDATE_REMOTE; // 本地有更新，需要更新到远程 + } else { + return SYNC_ACTION_UPDATE_CONFLICT; // 本地和远程都有更新，冲突 + } + } + + } catch (Exception e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + + return SYNC_ACTION_ERROR; + } + + // 判断任务是否值得保存 + // return 若任务的元信息不为空，或任务名称非空且去除空格后长度大于0， + // 或任务备注非空且去除空格后长度大于0，则返回 true，否则返回 false。 + public boolean isWorthSaving() { + return mMetaInfo != null || (getName() != null && getName().trim().length() > 0) + || (getNotes() != null && getNotes().trim().length() > 0); + } + + // 设置任务的完成状态 + // completed 任务是否已完成 + public void setCompleted(boolean completed) { + this.mCompleted = completed; + } + + // 设置任务的备注 + // notes 任务的备注 + public void setNotes(String notes) { + this.mNotes = notes; + } + + // 设置任务的上一个同级节点 + // priorSibling 任务的上一个同级节点 + public void setPriorSibling(Task priorSibling) { + this.mPriorSibling = priorSibling; + } + + // 设置任务所属的任务列表 + // parent 任务所属的任务列表 + public void setParent(TaskList parent) { + this.mParent = parent; + } + + // 获取任务的完成状态 + // return 任务是否已完成 + public boolean getCompleted() { + return this.mCompleted; + } + + // 获取任务的备注 + // return 任务的备注 + public String getNotes() { + return this.mNotes; + } + + // 获取任务的上一个同级节点 + // return 任务的上一个同级节点 + public Task getPriorSibling() { + return this.mPriorSibling; + } + + // 获取任务所属的任务列表 + // return 任务所属的任务列表 + public TaskList getParent() { + return this.mParent; + } + +} diff --git a/other/06_211440528 张锦辉_代码标注/gtask/data/TaskList.java b/other/06_211440528 张锦辉_代码标注/gtask/data/TaskList.java new file mode 100644 index 0000000..d31fd27 --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/gtask/data/TaskList.java @@ -0,0 +1,410 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +// 任务列表类，用于将任务（Task）标记并存储到任务列表中进行管理操作，并在任务表的指定位置进行增删查改，移动等操作 + +package net.micode.notes.gtask.data; + +import android.database.Cursor; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.exception.ActionFailureException; +import net.micode.notes.tool.GTaskStringUtils; + +import org.json.JSONException; +import org.json.JSONObject; + +import java.util.ArrayList; + + +public class TaskList extends Node { + // 定义TaskList类，继承自GTask类 + private static final String TAG = TaskList.class.getSimpleName(); + // 定义TAG常量，用于日志输出 + // tag标记 + + private int mIndex; + // 当前TaskList的指针 + // 定义mIndex变量，表示任务列表的序号 + + private ArrayList mChildren; + // 类中主要的保存数据的单元，用来实现一个以Task为元素的ArrayList + // 定义mChildren变量，表示该任务列表包含的子任务列表 + + // TaskList类的构造函数，初始化mChildren变量为一个空的Task列表，mIndex为1 + public TaskList() { + super(); + mChildren = new ArrayList(); + mIndex = 1; + } + + // 生成并返回一个包含了一定数据的JSONObject实体 + // 返回一个用于创建该任务列表的JSON对象 + public JSONObject getCreateAction(int actionId) { + JSONObject js = new JSONObject(); + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); // 设置动作类型为创建任务列表 + + // action_id + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); // 设置动作ID + + // index + js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex); // 设置任务列表的序号 + + // entity_delta + JSONObject entity = new JSONObject(); // 创建一个新的JSON对象，用于存储任务列表信息 + entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 设置任务列表的名称 + entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); // 设置任务列表的创建者ID为空 + entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, + GTaskStringUtils.GTASK_JSON_TYPE_GROUP); // 设置任务列表的类型为GROUP + js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); // 将entity对象添加到js对象中 + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("fail to generate tasklist-create jsonobject"); // 抛出异常 + } + + return js; // 返回创建的JSON对象 + } + + // 生成并返回一个包含了一定数据的JSONObject实体 + // 返回一个用于更新该任务列表的JSON对象 + public JSONObject getUpdateAction(int actionId) { + JSONObject js = new JSONObject(); + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); // 设置动作类型为更新任务列表 + + // action_id + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); // 设置动作ID + + // id + js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); // 设置任务列表的ID + + // entity_delta + JSONObject entity = new JSONObject(); // 创建一个新的JSON对象，用于存储任务列表信息 + entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 设置任务列表的名称 + entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); // 设置任务列表是否被删除的状态 + js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); // 将entity对象添加到js对象中 + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("fail to generate tasklist-update jsonobject"); // 抛出异常 + } + + return js; // 返回创建的JSON对象 + } + + // 通过远程 JSON 对象设置任务列表内容 + // js 远程 JSON 对象 + public void setContentByRemoteJSON(JSONObject js) { + if (js != null) { + try { + // 设置 ID + if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { + setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); + } + + // 设置最后修改时间 + if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { + setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); + } + + // 设置名称 + if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { + setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); + } + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("fail to get tasklist content from jsonobject"); + } + } + } + + // 根据本地 JSON 对象设置内容。 + // js 本地 JSON 对象 + public void setContentByLocalJSON(JSONObject js) { + // 设置内容，通过本地JSON对象 + if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) { + // 如果JSON对象为空或者没有指定键值对，记录警告日志并退出方法 + Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); + } + + try { + // 尝试解析JSON对象，获取指定键的值 + JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + + if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { + // 如果获取到的值为"文件夹"类型 + String name = folder.getString(NoteColumns.SNIPPET); + setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name); + } else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { + // 如果获取到的值为"系统"类型 + if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER) + setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT); + else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER) + setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + + GTaskStringUtils.FOLDER_CALL_NOTE); + else + // 如果获取到的值为无效类型 + Log.e(TAG, "invalid system folder"); + } else { + // 如果获取到的值为错误类型 + Log.e(TAG, "error type"); + } + } catch (JSONException e) { + // 如果出现解析异常，记录错误日志并输出异常栈 + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + } + + public JSONObject getLocalJSONFromContent() { + try { + // 尝试创建一个新的JSON对象 + JSONObject js = new JSONObject(); + JSONObject folder = new JSONObject(); + + String folderName = getName(); + if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)) + folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(), + folderName.length()); + folder.put(NoteColumns.SNIPPET, folderName); + if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT) + || folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE)) + folder.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + else + folder.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); + + js.put(GTaskStringUtils.META_HEAD_NOTE, folder); + + return js; + } catch (JSONException e) { + // 如果出现解析异常，记录错误日志并输出异常栈 + Log.e(TAG, e.toString()); + e.printStackTrace(); + return null; + } + } + + public int getSyncAction(Cursor c) { + try { + if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { + // 如果本地没有修改 + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // 如果本地和远程都没有修改 + return SYNC_ACTION_NONE; + } else { + // 如果远程有修改，本地应用远程的修改 + return SYNC_ACTION_UPDATE_LOCAL; + } + } else { + // 验证gtask id + if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { + // 如果gtask id不匹配，记录错误日志并返回错误状态 + Log.e(TAG, "gtask id doesn't match"); + return SYNC_ACTION_ERROR; + } + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // local modification only + return SYNC_ACTION_UPDATE_REMOTE; + } else { + // for folder conflicts, just apply local modification + return SYNC_ACTION_UPDATE_REMOTE; + } + } + } catch (Exception e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + + return SYNC_ACTION_ERROR; + } + + // 功能：获得TaskList的大小，即mChildren的大小 + // 获取子任务的数量 + public int getChildTaskCount() { + return mChildren.size(); + } + + // @param task + // @return 返回值为是否成功添加任务。 + // 功能：在当前任务表末尾添加新的任务。 + public boolean addChildTask(Task task) { + boolean ret = false; + if (task != null && !mChildren.contains(task)) { + ret = mChildren.add(task); + if (ret) { + // 设置前一个兄弟任务和父任务 + // need to set prior sibling and parent + task.setPriorSibling(mChildren.isEmpty() ? null : mChildren + .get(mChildren.size() - 1)); + task.setParent(this); + // 注意：每一次ArrayList的变化都要紧跟相关Task中PriorSibling的更改 + // 接下来几个函数都有相关操作 + } + } + return ret; + } + + // 功能：在当前任务表的指定位置添加新的任务，返回添加是否成功 + // task + // index + public boolean addChildTask(Task task, int index) { + // 如果指定的位置超出了子任务的范围，返回失败 + if (index < 0 || index > mChildren.size()) { + Log.e(TAG, "add child task: invalid index"); + return false; + } + + // 查找子任务列表中是否已经存在这个子任务，如果不存在则添加到指定位置 + int pos = mChildren.indexOf(task); + if (task != null && pos == -1) { + mChildren.add(index, task); + + // 更新任务列表中前一个和后一个任务的信息 + Task preTask = null; + Task afterTask = null; + if (index != 0) + preTask = mChildren.get(index - 1); + if (index != mChildren.size() - 1) + afterTask = mChildren.get(index + 1); + + task.setPriorSibling(preTask); + if (afterTask != null) + afterTask.setPriorSibling(task); + } + + return true; + } + + // 功能：删除TaskList中的一个Task，返回删除是否成功 + // task + public boolean removeChildTask(Task task) { + boolean ret = false; + int index = mChildren.indexOf(task); + if (index != -1) { + ret = mChildren.remove(task); + + if (ret) { + // 重置前一个兄弟和父节点 + task.setPriorSibling(null); + task.setParent(null); + + // 更新任务列表 + if (index != mChildren.size()) { + mChildren.get(index).setPriorSibling( + index == 0 ? null : mChildren.get(index - 1)); + } + } + } + return ret; + } + + // 功能：将当前TaskList中含有的某个Task移到index位置，将一个子任务移动到指定的位置 + // task 要移动的任务 + // index 目标位置 + // return 如果移动成功，返回true；否则返回false + // 将任务移动到给定的索引位置 + public boolean moveChildTask(Task task, int index) { + //如果索引无效，则返回false并记录错误日志 + if (index < 0 || index >= mChildren.size()) { + Log.e(TAG, "move child task: invalid index"); + return false; + } + + //获取任务在列表中的位置 + int pos = mChildren.indexOf(task); + //如果任务不在列表中，则返回false并记录错误日志 + if (pos == -1) { + Log.e(TAG, "move child task: the task should in the list"); + return false; + } + + //如果任务已经在指定位置，则返回true + if (pos == index) + return true; + //否则从原位置删除该任务并将其插入新位置，返回插入结果 + return (removeChildTask(task) && addChildTask(task, index)); + // 利用已实现好的功能完成当下功能； + } + + // 功能：按gid寻找Task，根据给定的gid查找并返回子任务 + // gid + // return 返回寻找结果 + public Task findChildTaskByGid(String gid) { + //遍历子任务列表，查找并返回与给定gid匹配的子任务 + for (int i = 0; i < mChildren.size(); i++) { + Task t = mChildren.get(i); + if (t.getGid().equals(gid)) { + return t; + } + } + //如果没有找到，则返回null + return null; + } + + // 功能：返回指定Task的index，返回给定任务在子任务列表中的索引，如果找不到则返回-1 + // task + public int getChildTaskIndex(Task task) { + return mChildren.indexOf(task); + } + + // 功能：返回指定index的Task，根据给定的索引返回子任务，如果索引无效则返回null + // index + public Task getChildTaskByIndex(int index) { + if (index < 0 || index >= mChildren.size()) { + Log.e(TAG, "getTaskByIndex: invalid index"); + return null; + } + return mChildren.get(index); + } + + // 功能：返回指定gid的Task，根据给定的gid返回子任务，如果找不到则返回null + // gid + public Task getChilTaskByGid(String gid) { + for (Task task : mChildren) { // 一种常见的ArrayList的遍历方法 + if (task.getGid().equals(gid)) + return task; + } + return null; + } + + //返回子任务列表 + public ArrayList getChildTaskList() { + return this.mChildren; + } + + //设置任务的索引值 + public void setIndex(int index) { + this.mIndex = index; + } + + //返回任务的索引值 + public int getIndex() { + return this.mIndex; + } +} diff --git a/other/06_211440528 张锦辉_代码标注/gtask/exception/ActionFailureException.java b/other/06_211440528 张锦辉_代码标注/gtask/exception/ActionFailureException.java new file mode 100644 index 0000000..f6ded09 --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/gtask/exception/ActionFailureException.java @@ -0,0 +1,24 @@ +// Description：支持小米便签运行过程中的运行异常处理。 + +package net.micode.notes.gtask.exception; + +public class ActionFailureException extends RuntimeException { + private static final long serialVersionUID = 4425249765923293627L; + // serialVersionUID相当于java类的身份证。主要用于版本控制。 + // serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性。 + + public ActionFailureException() { + super(); + } + // 在JAVA类中使用super来引用父类的成分，用this来引用当前对象. + // 如果一个类从另外一个类继承，我们new这个子类的实例对象的时候，这个子类对象里面会有一个父类对象。 + // 怎么去引用里面的父类对象呢？使用super来引用 + // 也就是说，此处super()以及super (paramString)可认为是Exception ()和Exception (paramString) + public ActionFailureException(String paramString) { + super(paramString); + } + + public ActionFailureException(String paramString, Throwable paramThrowable) { + super(paramString, paramThrowable); + } +} \ No newline at end of file diff --git a/other/06_211440528 张锦辉_代码标注/gtask/exception/NetworkFailureException.java b/other/06_211440528 张锦辉_代码标注/gtask/exception/NetworkFailureException.java new file mode 100644 index 0000000..bdaf59c --- /dev/null +++ b/other/06_211440528 张锦辉_代码标注/gtask/exception/NetworkFailureException.java @@ -0,0 +1,26 @@ +/* + * Description：支持小米便签运行过程中的网络异常处理。 + */ + +package net.micode.notes.gtask.exception; + +public class NetworkFailureException extends Exception { + private static final long serialVersionUID = 2107610287180234136L; + // serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性。 + + public NetworkFailureException() { + super(); + } + + // 在JAVA类中使用super来引用父类的成分，用this来引用当前对象. + // 如果一个类从另外一个类继承，我们new这个子类的实例对象的时候，这个子类对象里面会有一个父类对象。 + // 怎么去引用里面的父类对象呢？使用super来引用 + // 也就是说，此处super()以及super (paramString)可认为是Exception ()和Exception (paramString) + public NetworkFailureException(String paramString) { + super(paramString); + } + + public NetworkFailureException(String paramString, Throwable paramThrowable) { + super(paramString, paramThrowable); + } +} \ No newline at end of file diff --git a/other/06_211540837 吕良炜_代码标注/model/Note.java b/other/06_211540837 吕良炜_代码标注/model/Note.java new file mode 100644 index 0000000..704054c --- /dev/null +++ b/other/06_211540837 吕良炜_代码标注/model/Note.java @@ -0,0 +1,279 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.model;//创建一个包，用于区别类名的命名空间 +import android.content.ContentProviderOperation;//批量的更新、插入、删除数据。 +import android.content.ContentProviderResult;//操作的结果 +import android.content.ContentUris;//用于添加和获取Uri后面的ID +import android.content.ContentValues;//一种用来存储基本数据类型数据的存储机制 +import android.content.Context;//需要用该类来弄清楚调用者的实例 +import android.content.OperationApplicationException;//操作应用程序容错 +import android.net.Uri;//表示待操作的数据 +import android.os.RemoteException;//远程容错 +import android.util.Log;//输出日志，比如说出错、警告等 + +//引入其余包 +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.CallNote; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.data.Notes.TextNote; + +import java.util.ArrayList;//系统的自带的可变数组的类 + + +public class Note { + private ContentValues mNoteDiffValues; + private NoteData mNoteData; + //mNoteDiffValues和mNoteData + + private static final String TAG = "Note"; + /** + * Create a new note id for adding a new note to databases + * 创建一个新的笔记id为了加入将一个新的笔记加入数据库 + */ + public static synchronized long getNewNoteId(Context context, long folderId) { + // Create a new note in the database + // 在数据库中加入一个新的笔记 + ContentValues values = new ContentValues(); + long createdTime = System.currentTimeMillis();//创建一个变量记录创建的时间 + values.put(NoteColumns.CREATED_DATE, createdTime);//将创建日期的值付给 CREATED_DATE创建时间 + values.put(NoteColumns.MODIFIED_DATE, createdTime);//将创建日期的值付给 MODIFIED_DATE修改时间 + values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);//把type的值赋为0 + values.put(NoteColumns.LOCAL_MODIFIED, 1);//把LOCAL_MODIFIED 本地修改 的值赋为1 + values.put(NoteColumns.PARENT_ID, folderId);//把文件夹id赋给PARENT_ID 父类id + Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values); + //getContentResolver()函数是实现外部应用对于ContentProvider中的数据进行增删查改的操作 + + long noteId = 0;//用于标记错误信息 + try { + noteId = Long.valueOf(uri.getPathSegments().get(1)); + } + catch (NumberFormatException e) { + Log.e(TAG, "Get note id error :" + e.toString()); + noteId = 0; + }//异常处理 + + if (noteId == -1) { + throw new IllegalStateException("Wrong note id:" + noteId); + } // 如果发生错误，输出错误ID + return noteId; + } + + public Note() { + mNoteDiffValues = new ContentValues(); //定义一个新变量，存储便签属性 + mNoteData = new NoteData();//定义一个新变量，存出便签内容 + } + + public void setNoteValue(String key, String value) { + mNoteDiffValues.put(key, value); //设置便签属性传入ket和value + mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); //设置新创建的便签更改次数为1 + mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); //设置新创建的更改日期为系统当前时间 + } + + public void setTextData(String key, String value) { + mNoteData.setTextData(key, value); //设置便签的内容和数据 + } + + public void setTextDataId(long id) { + mNoteData.setTextDataId(id); //设置便签数据的ID + } + + public long getTextDataId() { + return mNoteData.mTextDataId; //获取便签数据的ID + } + + public void setCallDataId(long id) { + mNoteData.setCallDataId(id); //设置电话的数据的ID + } + + public void setCallData(String key, String value) { + mNoteData.setCallData(key, value); //设置电话的内容和数据 + } + + public boolean isLocalModified() { + return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified(); // + }//判断是否为本地产生的修改 + + public boolean syncNote(Context context, long noteId) { + if (noteId <= 0) { + throw new IllegalArgumentException("Wrong note id:" + noteId); + } //报告错误信息 + + if (!isLocalModified()) { + return true; + } + + /** + * In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and + * {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the + * note data info + */ + + /* + 理论上，一旦数据发生变化，应在{@link NoteColumns#LOCAL_MODIFIED}和 + {@link NotesColumns#MODIFIED_DATE}上更新注释。为了数据安全， + 虽然更新笔记失败，但我们也会更新笔记数据信息 + */ + + if (context.getContentResolver().update( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null, + null) == 0) { + Log.e(TAG, "Update note error, should not happen"); + // Do not return, fall through + } + mNoteDiffValues.clear(); + + if (mNoteData.isLocalModified() + && (mNoteData.pushIntoContentResolver(context, noteId) == null)) { + return false; + } + + return true; + }//用于判断便签是否正确同步 + + private class NoteData { + private long mTextDataId; //定义便签数据的文件数据ID + + private ContentValues mTextDataValues; //定义文件数据 + + private long mCallDataId;//定义便签电话ID + + private ContentValues mCallDataValues;//定义便签电话数据 + + private static final String TAG = "NoteData"; + + public NoteData() { + mTextDataValues = new ContentValues(); + mCallDataValues = new ContentValues(); + mTextDataId = 0; + mCallDataId = 0; + } //构造函数，定义文件数据ID和电话数据ID为0，创建便签电话数据和文件数据类 + + boolean isLocalModified() { + return mTextDataValues.size() > 0 || mCallDataValues.size() > 0; + }//判断是否被本地修改，返回是否修改文本数据或者电话数据 + + void setTextDataId(long id) { + if (id <= 0) { + throw new IllegalArgumentException("Text data id should larger than 0"); + } //为文本数据ID的定义提供错误判断 + mTextDataId = id; //设置文本数据ID + } + + void setCallDataId(long id) { + if (id <= 0) { + throw new IllegalArgumentException("Call data id should larger than 0"); + }//为电话数据ID的定义提供错误判断 + mCallDataId = id;//设置电话数据ID + } + + void setCallData(String key, String value) { + mCallDataValues.put(key, value); //设置电话数据的数据和内容 + mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); //设置电话数据的本地修改为1 + mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); //设置修改时间为本地时间 + } + + void setTextData(String key, String value) { + mTextDataValues.put(key, value); //设置文本数据 + mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);//设置文本数据的本地修改为1 + mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());//设置修改时间为本地时间 + } + + Uri pushIntoContentResolver(Context context, long noteId) { + + /* + *下面函数的作用是将新的数据通过Uri的操作存储到数据库 + */ + + /** + * Check for safety + */ + if (noteId <= 0) { + throw new IllegalArgumentException("Wrong note id:" + noteId); + }//显示错误代码 + + ArrayList operationList = new ArrayList(); //定义一个新的可变数组 + ContentProviderOperation.Builder builder = null; //数据库的操作列表设置为空 + + if (mTextDataValues.size() > 0) { //如果文本数据的值不为0 + mTextDataValues.put(DataColumns.NOTE_ID, noteId); //存入note数据ID + if (mTextDataId == 0) { + mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE); + Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI, + mTextDataValues); + try { + setTextDataId(Long.valueOf(uri.getPathSegments().get(1))); + } + catch (NumberFormatException e) { + Log.e(TAG, "Insert new text data fail with noteId" + noteId); + mTextDataValues.clear(); + return null; + } + } + else { + builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mTextDataId)); + builder.withValues(mTextDataValues); + operationList.add(builder.build()); + } + mTextDataValues.clear(); + }//把文本数据存入到DataColumns + + if (mCallDataValues.size() > 0) { + mCallDataValues.put(DataColumns.NOTE_ID, noteId); + if (mCallDataId == 0) { + mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE); + Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI, + mCallDataValues); + try { + setCallDataId(Long.valueOf(uri.getPathSegments().get(1))); + } + catch (NumberFormatException e) { + Log.e(TAG, "Insert new call data fail with noteId" + noteId); + mCallDataValues.clear(); + return null; + } + } + else { + builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mCallDataId)); + builder.withValues(mCallDataValues); + operationList.add(builder.build()); + } + mCallDataValues.clear(); + }//把电话数据存入到DataColumns + + if (operationList.size() > 0) { + try { + ContentProviderResult[] results = context.getContentResolver().applyBatch( + Notes.AUTHORITY, operationList); + return (results == null || results.length == 0 || results[0] == null) ? null + : ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId); + } + catch (RemoteException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + return null; + } + catch (OperationApplicationException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + return null; + } + } + return null; + }//存储过程中对于异常情况的处理 + } +} diff --git a/other/06_211540837 吕良炜_代码标注/model/WorkingNote.java b/other/06_211540837 吕良炜_代码标注/model/WorkingNote.java new file mode 100644 index 0000000..be081e4 --- /dev/null +++ b/other/06_211540837 吕良炜_代码标注/model/WorkingNote.java @@ -0,0 +1,368 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.model; + +import android.appwidget.AppWidgetManager; +import android.content.ContentUris; +import android.content.Context; +import android.database.Cursor; +import android.text.TextUtils; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.CallNote; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.data.Notes.TextNote; +import net.micode.notes.tool.ResourceParser.NoteBgResources; + + +public class WorkingNote { + // Note for the working note + private Note mNote; + // Note Id + private long mNoteId; + // Note content + private String mContent; + // Note mode + private int mMode; + + private long mAlertDate; + + private long mModifiedDate; + + private int mBgColorId; + + private int mWidgetId; + + private int mWidgetType; + + private long mFolderId; + + private Context mContext; + + private static final String TAG = "WorkingNote"; + + private boolean mIsDeleted; + + private NoteSettingChangedListener mNoteSettingStatusListener; + + public static final String[] DATA_PROJECTION = new String[] { + DataColumns.ID, + DataColumns.CONTENT, + DataColumns.MIME_TYPE, + DataColumns.DATA1, + DataColumns.DATA2, + DataColumns.DATA3, + DataColumns.DATA4, + }; + + public static final String[] NOTE_PROJECTION = new String[] { + NoteColumns.PARENT_ID, + NoteColumns.ALERTED_DATE, + NoteColumns.BG_COLOR_ID, + NoteColumns.WIDGET_ID, + NoteColumns.WIDGET_TYPE, + NoteColumns.MODIFIED_DATE + }; + + private static final int DATA_ID_COLUMN = 0; + + private static final int DATA_CONTENT_COLUMN = 1; + + private static final int DATA_MIME_TYPE_COLUMN = 2; + + private static final int DATA_MODE_COLUMN = 3; + + private static final int NOTE_PARENT_ID_COLUMN = 0; + + private static final int NOTE_ALERTED_DATE_COLUMN = 1; + + private static final int NOTE_BG_COLOR_ID_COLUMN = 2; + + private static final int NOTE_WIDGET_ID_COLUMN = 3; + + private static final int NOTE_WIDGET_TYPE_COLUMN = 4; + + private static final int NOTE_MODIFIED_DATE_COLUMN = 5; + + // New note construct + private WorkingNote(Context context, long folderId) { + mContext = context; + mAlertDate = 0; + mModifiedDate = System.currentTimeMillis(); + mFolderId = folderId; + mNote = new Note(); + mNoteId = 0; + mIsDeleted = false; + mMode = 0; + mWidgetType = Notes.TYPE_WIDGET_INVALIDE; + } + + // Existing note construct + private WorkingNote(Context context, long noteId, long folderId) { + mContext = context; + mNoteId = noteId; + mFolderId = folderId; + mIsDeleted = false; + mNote = new Note(); + loadNote(); + } + + private void loadNote() { + Cursor cursor = mContext.getContentResolver().query( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, + null, null); + + if (cursor != null) { + if (cursor.moveToFirst()) { + mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN); + mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN); + mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN); + mWidgetType = cursor.getInt(NOTE_WIDGET_TYPE_COLUMN); + mAlertDate = cursor.getLong(NOTE_ALERTED_DATE_COLUMN); + mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN); + } + cursor.close(); + } else { + Log.e(TAG, "No note with id:" + mNoteId); + throw new IllegalArgumentException("Unable to find note with id " + mNoteId); + } + loadNoteData(); + } + + private void loadNoteData() { + Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, + DataColumns.NOTE_ID + "=?", new String[] { + String.valueOf(mNoteId) + }, null); + + if (cursor != null) { + if (cursor.moveToFirst()) { + do { + String type = cursor.getString(DATA_MIME_TYPE_COLUMN); + if (DataConstants.NOTE.equals(type)) { + mContent = cursor.getString(DATA_CONTENT_COLUMN); + mMode = cursor.getInt(DATA_MODE_COLUMN); + mNote.setTextDataId(cursor.getLong(DATA_ID_COLUMN)); + } else if (DataConstants.CALL_NOTE.equals(type)) { + mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN)); + } else { + Log.d(TAG, "Wrong note type with type:" + type); + } + } while (cursor.moveToNext()); + } + cursor.close(); + } else { + Log.e(TAG, "No data with id:" + mNoteId); + throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId); + } + } + + public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, + int widgetType, int defaultBgColorId) { + WorkingNote note = new WorkingNote(context, folderId); + note.setBgColorId(defaultBgColorId); + note.setWidgetId(widgetId); + note.setWidgetType(widgetType); + return note; + } + + public static WorkingNote load(Context context, long id) { + return new WorkingNote(context, id, 0); + } + + public synchronized boolean saveNote() { + if (isWorthSaving()) { + if (!existInDatabase()) { + if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) { + Log.e(TAG, "Create new note fail with id:" + mNoteId); + return false; + } + } + + mNote.syncNote(mContext, mNoteId); + + /** + * Update widget content if there exist any widget of this note + */ + if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && mWidgetType != Notes.TYPE_WIDGET_INVALIDE + && mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onWidgetChanged(); + } + return true; + } else { + return false; + } + } + + public boolean existInDatabase() { + return mNoteId > 0; + } + + private boolean isWorthSaving() { + if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent)) + || (existInDatabase() && !mNote.isLocalModified())) { + return false; + } else { + return true; + } + } + + public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) { + mNoteSettingStatusListener = l; + } + + public void setAlertDate(long date, boolean set) { + if (date != mAlertDate) { + mAlertDate = date; + mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate)); + } + if (mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onClockAlertChanged(date, set); + } + } + + public void markDeleted(boolean mark) { + mIsDeleted = mark; + if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onWidgetChanged(); + } + } + + public void setBgColorId(int id) { + if (id != mBgColorId) { + mBgColorId = id; + if (mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onBackgroundColorChanged(); + } + mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id)); + } + } + + public void setCheckListMode(int mode) { + if (mMode != mode) { + if (mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode); + } + mMode = mode; + mNote.setTextData(TextNote.MODE, String.valueOf(mMode)); + } + } + + public void setWidgetType(int type) { + if (type != mWidgetType) { + mWidgetType = type; + mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType)); + } + } + + public void setWidgetId(int id) { + if (id != mWidgetId) { + mWidgetId = id; + mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId)); + } + } + + public void setWorkingText(String text) { + if (!TextUtils.equals(mContent, text)) { + mContent = text; + mNote.setTextData(DataColumns.CONTENT, mContent); + } + } + + public void convertToCallNote(String phoneNumber, long callDate) { + mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate)); + mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber); + mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER)); + } + + public boolean hasClockAlert() { + return (mAlertDate > 0 ? true : false); + } + + public String getContent() { + return mContent; + } + + public long getAlertDate() { + return mAlertDate; + } + + public long getModifiedDate() { + return mModifiedDate; + } + + public int getBgColorResId() { + return NoteBgResources.getNoteBgResource(mBgColorId); + } + + public int getBgColorId() { + return mBgColorId; + } + + public int getTitleBgResId() { + return NoteBgResources.getNoteTitleBgResource(mBgColorId); + } + + public int getCheckListMode() { + return mMode; + } + + public long getNoteId() { + return mNoteId; + } + + public long getFolderId() { + return mFolderId; + } + + public int getWidgetId() { + return mWidgetId; + } + + public int getWidgetType() { + return mWidgetType; + } + + public interface NoteSettingChangedListener { + /** + * Called when the background color of current note has just changed + */ + void onBackgroundColorChanged(); + + /** + * Called when user set clock + */ + void onClockAlertChanged(long date, boolean set); + + /** + * Call when user create note from widget + */ + void onWidgetChanged(); + + /** + * Call when switch between check list mode and normal mode + * @param oldMode is previous mode before change + * @param newMode is new mode + */ + void onCheckListModeChanged(int oldMode, int newMode); + } +} diff --git a/other/06_211540837 吕良炜_代码标注/ui/AlarmAlertActivity.java b/other/06_211540837 吕良炜_代码标注/ui/AlarmAlertActivity.java new file mode 100644 index 0000000..85723be --- /dev/null +++ b/other/06_211540837 吕良炜_代码标注/ui/AlarmAlertActivity.java @@ -0,0 +1,158 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.app.Activity; +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.content.DialogInterface.OnClickListener; +import android.content.DialogInterface.OnDismissListener; +import android.content.Intent; +import android.media.AudioManager; +import android.media.MediaPlayer; +import android.media.RingtoneManager; +import android.net.Uri; +import android.os.Bundle; +import android.os.PowerManager; +import android.provider.Settings; +import android.view.Window; +import android.view.WindowManager; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.tool.DataUtils; + +import java.io.IOException; + + +public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener { + private long mNoteId; + private String mSnippet; + private static final int SNIPPET_PREW_MAX_LEN = 60; + MediaPlayer mPlayer; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + requestWindowFeature(Window.FEATURE_NO_TITLE); + + final Window win = getWindow(); + win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); + + if (!isScreenOn()) { + win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON + | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON + | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON + | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR); + } + + Intent intent = getIntent(); + + try { + mNoteId = Long.valueOf(intent.getData().getPathSegments().get(1)); + mSnippet = DataUtils.getSnippetById(this.getContentResolver(), mNoteId); + mSnippet = mSnippet.length() > SNIPPET_PREW_MAX_LEN ? mSnippet.substring(0, + SNIPPET_PREW_MAX_LEN) + getResources().getString(R.string.notelist_string_info) + : mSnippet; + } catch (IllegalArgumentException e) { + e.printStackTrace(); + return; + } + + mPlayer = new MediaPlayer(); + if (DataUtils.visibleInNoteDatabase(getContentResolver(), mNoteId, Notes.TYPE_NOTE)) { + showActionDialog(); + playAlarmSound(); + } else { + finish(); + } + } + + private boolean isScreenOn() { + PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); + return pm.isScreenOn(); + } + + private void playAlarmSound() { + Uri url = RingtoneManager.getActualDefaultRingtoneUri(this, RingtoneManager.TYPE_ALARM); + + int silentModeStreams = Settings.System.getInt(getContentResolver(), + Settings.System.MODE_RINGER_STREAMS_AFFECTED, 0); + + if ((silentModeStreams & (1 << AudioManager.STREAM_ALARM)) != 0) { + mPlayer.setAudioStreamType(silentModeStreams); + } else { + mPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); + } + try { + mPlayer.setDataSource(this, url); + mPlayer.prepare(); + mPlayer.setLooping(true); + mPlayer.start(); + } catch (IllegalArgumentException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (SecurityException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IllegalStateException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + } + + private void showActionDialog() { + AlertDialog.Builder dialog = new AlertDialog.Builder(this); + dialog.setTitle(R.string.app_name); + dialog.setMessage(mSnippet); + dialog.setPositiveButton(R.string.notealert_ok, this); + if (isScreenOn()) { + dialog.setNegativeButton(R.string.notealert_enter, this); + } + dialog.show().setOnDismissListener(this); + } + + public void onClick(DialogInterface dialog, int which) { + switch (which) { + case DialogInterface.BUTTON_NEGATIVE: + Intent intent = new Intent(this, NoteEditActivity.class); + intent.setAction(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, mNoteId); + startActivity(intent); + break; + default: + break; + } + } + + public void onDismiss(DialogInterface dialog) { + stopAlarmSound(); + finish(); + } + + private void stopAlarmSound() { + if (mPlayer != null) { + mPlayer.stop(); + mPlayer.release(); + mPlayer = null; + } + } +} diff --git a/other/06_211540837 吕良炜_代码标注/ui/AlarmInitReceiver.java b/other/06_211540837 吕良炜_代码标注/ui/AlarmInitReceiver.java new file mode 100644 index 0000000..f221202 --- /dev/null +++ b/other/06_211540837 吕良炜_代码标注/ui/AlarmInitReceiver.java @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.app.AlarmManager; +import android.app.PendingIntent; +import android.content.BroadcastReceiver; +import android.content.ContentUris; +import android.content.Context; +import android.content.Intent; +import android.database.Cursor; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; + + +public class AlarmInitReceiver extends BroadcastReceiver { + + private static final String [] PROJECTION = new String [] { + NoteColumns.ID, + NoteColumns.ALERTED_DATE + }; + + private static final int COLUMN_ID = 0; + private static final int COLUMN_ALERTED_DATE = 1; + + @Override + public void onReceive(Context context, Intent intent) { + long currentDate = System.currentTimeMillis(); + Cursor c = context.getContentResolver().query(Notes.CONTENT_NOTE_URI, + PROJECTION, + NoteColumns.ALERTED_DATE + ">? AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE, + new String[] { String.valueOf(currentDate) }, + null); + + if (c != null) { + if (c.moveToFirst()) { + do { + long alertDate = c.getLong(COLUMN_ALERTED_DATE); + Intent sender = new Intent(context, AlarmReceiver.class); + sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID))); + PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0); + AlarmManager alermManager = (AlarmManager) context + .getSystemService(Context.ALARM_SERVICE); + alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent); + } while (c.moveToNext()); + } + c.close(); + } + } +} diff --git a/other/06_211540837 吕良炜_代码标注/ui/AlarmReceiver.java b/other/06_211540837 吕良炜_代码标注/ui/AlarmReceiver.java new file mode 100644 index 0000000..54e503b --- /dev/null +++ b/other/06_211540837 吕良炜_代码标注/ui/AlarmReceiver.java @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; + +public class AlarmReceiver extends BroadcastReceiver { + @Override + public void onReceive(Context context, Intent intent) { + intent.setClass(context, AlarmAlertActivity.class); + intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + context.startActivity(intent); + } +} diff --git a/other/06_211540837 吕良炜_代码标注/ui/DateTimePicker.java b/other/06_211540837 吕良炜_代码标注/ui/DateTimePicker.java new file mode 100644 index 0000000..496b0cd --- /dev/null +++ b/other/06_211540837 吕良炜_代码标注/ui/DateTimePicker.java @@ -0,0 +1,485 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import java.text.DateFormatSymbols; +import java.util.Calendar; + +import net.micode.notes.R; + + +import android.content.Context; +import android.text.format.DateFormat; +import android.view.View; +import android.widget.FrameLayout; +import android.widget.NumberPicker; + +public class DateTimePicker extends FrameLayout { + + private static final boolean DEFAULT_ENABLE_STATE = true; + + private static final int HOURS_IN_HALF_DAY = 12; + private static final int HOURS_IN_ALL_DAY = 24; + private static final int DAYS_IN_ALL_WEEK = 7; + private static final int DATE_SPINNER_MIN_VAL = 0; + private static final int DATE_SPINNER_MAX_VAL = DAYS_IN_ALL_WEEK - 1; + private static final int HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW = 0; + private static final int HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW = 23; + private static final int HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW = 1; + private static final int HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW = 12; + private static final int MINUT_SPINNER_MIN_VAL = 0; + private static final int MINUT_SPINNER_MAX_VAL = 59; + private static final int AMPM_SPINNER_MIN_VAL = 0; + private static final int AMPM_SPINNER_MAX_VAL = 1; + + private final NumberPicker mDateSpinner; + private final NumberPicker mHourSpinner; + private final NumberPicker mMinuteSpinner; + private final NumberPicker mAmPmSpinner; + private Calendar mDate; + + private String[] mDateDisplayValues = new String[DAYS_IN_ALL_WEEK]; + + private boolean mIsAm; + + private boolean mIs24HourView; + + private boolean mIsEnabled = DEFAULT_ENABLE_STATE; + + private boolean mInitialising; + + private OnDateTimeChangedListener mOnDateTimeChangedListener; + + private NumberPicker.OnValueChangeListener mOnDateChangedListener = new NumberPicker.OnValueChangeListener() { + @Override + public void onValueChange(NumberPicker picker, int oldVal, int newVal) { + mDate.add(Calendar.DAY_OF_YEAR, newVal - oldVal); + updateDateControl(); + onDateTimeChanged(); + } + }; + + private NumberPicker.OnValueChangeListener mOnHourChangedListener = new NumberPicker.OnValueChangeListener() { + @Override + public void onValueChange(NumberPicker picker, int oldVal, int newVal) { + boolean isDateChanged = false; + Calendar cal = Calendar.getInstance(); + if (!mIs24HourView) { + if (!mIsAm && oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY) { + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, 1); + isDateChanged = true; + } else if (mIsAm && oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, -1); + isDateChanged = true; + } + if (oldVal == HOURS_IN_HALF_DAY - 1 && newVal == HOURS_IN_HALF_DAY || + oldVal == HOURS_IN_HALF_DAY && newVal == HOURS_IN_HALF_DAY - 1) { + mIsAm = !mIsAm; + updateAmPmControl(); + } + } else { + if (oldVal == HOURS_IN_ALL_DAY - 1 && newVal == 0) { + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, 1); + isDateChanged = true; + } else if (oldVal == 0 && newVal == HOURS_IN_ALL_DAY - 1) { + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, -1); + isDateChanged = true; + } + } + int newHour = mHourSpinner.getValue() % HOURS_IN_HALF_DAY + (mIsAm ? 0 : HOURS_IN_HALF_DAY); + mDate.set(Calendar.HOUR_OF_DAY, newHour); + onDateTimeChanged(); + if (isDateChanged) { + setCurrentYear(cal.get(Calendar.YEAR)); + setCurrentMonth(cal.get(Calendar.MONTH)); + setCurrentDay(cal.get(Calendar.DAY_OF_MONTH)); + } + } + }; + + private NumberPicker.OnValueChangeListener mOnMinuteChangedListener = new NumberPicker.OnValueChangeListener() { + @Override + public void onValueChange(NumberPicker picker, int oldVal, int newVal) { + int minValue = mMinuteSpinner.getMinValue(); + int maxValue = mMinuteSpinner.getMaxValue(); + int offset = 0; + if (oldVal == maxValue && newVal == minValue) { + offset += 1; + } else if (oldVal == minValue && newVal == maxValue) { + offset -= 1; + } + if (offset != 0) { + mDate.add(Calendar.HOUR_OF_DAY, offset); + mHourSpinner.setValue(getCurrentHour()); + updateDateControl(); + int newHour = getCurrentHourOfDay(); + if (newHour >= HOURS_IN_HALF_DAY) { + mIsAm = false; + updateAmPmControl(); + } else { + mIsAm = true; + updateAmPmControl(); + } + } + mDate.set(Calendar.MINUTE, newVal); + onDateTimeChanged(); + } + }; + + private NumberPicker.OnValueChangeListener mOnAmPmChangedListener = new NumberPicker.OnValueChangeListener() { + @Override + public void onValueChange(NumberPicker picker, int oldVal, int newVal) { + mIsAm = !mIsAm; + if (mIsAm) { + mDate.add(Calendar.HOUR_OF_DAY, -HOURS_IN_HALF_DAY); + } else { + mDate.add(Calendar.HOUR_OF_DAY, HOURS_IN_HALF_DAY); + } + updateAmPmControl(); + onDateTimeChanged(); + } + }; + + public interface OnDateTimeChangedListener { + void onDateTimeChanged(DateTimePicker view, int year, int month, + int dayOfMonth, int hourOfDay, int minute); + } + + public DateTimePicker(Context context) { + this(context, System.currentTimeMillis()); + } + + public DateTimePicker(Context context, long date) { + this(context, date, DateFormat.is24HourFormat(context)); + } + + public DateTimePicker(Context context, long date, boolean is24HourView) { + super(context); + mDate = Calendar.getInstance(); + mInitialising = true; + mIsAm = getCurrentHourOfDay() >= HOURS_IN_HALF_DAY; + inflate(context, R.layout.datetime_picker, this); + + mDateSpinner = (NumberPicker) findViewById(R.id.date); + mDateSpinner.setMinValue(DATE_SPINNER_MIN_VAL); + mDateSpinner.setMaxValue(DATE_SPINNER_MAX_VAL); + mDateSpinner.setOnValueChangedListener(mOnDateChangedListener); + + mHourSpinner = (NumberPicker) findViewById(R.id.hour); + mHourSpinner.setOnValueChangedListener(mOnHourChangedListener); + mMinuteSpinner = (NumberPicker) findViewById(R.id.minute); + mMinuteSpinner.setMinValue(MINUT_SPINNER_MIN_VAL); + mMinuteSpinner.setMaxValue(MINUT_SPINNER_MAX_VAL); + mMinuteSpinner.setOnLongPressUpdateInterval(100); + mMinuteSpinner.setOnValueChangedListener(mOnMinuteChangedListener); + + String[] stringsForAmPm = new DateFormatSymbols().getAmPmStrings(); + mAmPmSpinner = (NumberPicker) findViewById(R.id.amPm); + mAmPmSpinner.setMinValue(AMPM_SPINNER_MIN_VAL); + mAmPmSpinner.setMaxValue(AMPM_SPINNER_MAX_VAL); + mAmPmSpinner.setDisplayedValues(stringsForAmPm); + mAmPmSpinner.setOnValueChangedListener(mOnAmPmChangedListener); + + // update controls to initial state + updateDateControl(); + updateHourControl(); + updateAmPmControl(); + + set24HourView(is24HourView); + + // set to current time + setCurrentDate(date); + + setEnabled(isEnabled()); + + // set the content descriptions + mInitialising = false; + } + + @Override + public void setEnabled(boolean enabled) { + if (mIsEnabled == enabled) { + return; + } + super.setEnabled(enabled); + mDateSpinner.setEnabled(enabled); + mMinuteSpinner.setEnabled(enabled); + mHourSpinner.setEnabled(enabled); + mAmPmSpinner.setEnabled(enabled); + mIsEnabled = enabled; + } + + @Override + public boolean isEnabled() { + return mIsEnabled; + } + + /** + * Get the current date in millis + * + * @return the current date in millis + */ + public long getCurrentDateInTimeMillis() { + return mDate.getTimeInMillis(); + } + + /** + * Set the current date + * + * @param date The current date in millis + */ + public void setCurrentDate(long date) { + Calendar cal = Calendar.getInstance(); + cal.setTimeInMillis(date); + setCurrentDate(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), + cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE)); + } + + /** + * Set the current date + * + * @param year The current year + * @param month The current month + * @param dayOfMonth The current dayOfMonth + * @param hourOfDay The current hourOfDay + * @param minute The current minute + */ + public void setCurrentDate(int year, int month, + int dayOfMonth, int hourOfDay, int minute) { + setCurrentYear(year); + setCurrentMonth(month); + setCurrentDay(dayOfMonth); + setCurrentHour(hourOfDay); + setCurrentMinute(minute); + } + + /** + * Get current year + * + * @return The current year + */ + public int getCurrentYear() { + return mDate.get(Calendar.YEAR); + } + + /** + * Set current year + * + * @param year The current year + */ + public void setCurrentYear(int year) { + if (!mInitialising && year == getCurrentYear()) { + return; + } + mDate.set(Calendar.YEAR, year); + updateDateControl(); + onDateTimeChanged(); + } + + /** + * Get current month in the year + * + * @return The current month in the year + */ + public int getCurrentMonth() { + return mDate.get(Calendar.MONTH); + } + + /** + * Set current month in the year + * + * @param month The month in the year + */ + public void setCurrentMonth(int month) { + if (!mInitialising && month == getCurrentMonth()) { + return; + } + mDate.set(Calendar.MONTH, month); + updateDateControl(); + onDateTimeChanged(); + } + + /** + * Get current day of the month + * + * @return The day of the month + */ + public int getCurrentDay() { + return mDate.get(Calendar.DAY_OF_MONTH); + } + + /** + * Set current day of the month + * + * @param dayOfMonth The day of the month + */ + public void setCurrentDay(int dayOfMonth) { + if (!mInitialising && dayOfMonth == getCurrentDay()) { + return; + } + mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); + updateDateControl(); + onDateTimeChanged(); + } + + /** + * Get current hour in 24 hour mode, in the range (0~23) + * @return The current hour in 24 hour mode + */ + public int getCurrentHourOfDay() { + return mDate.get(Calendar.HOUR_OF_DAY); + } + + private int getCurrentHour() { + if (mIs24HourView){ + return getCurrentHourOfDay(); + } else { + int hour = getCurrentHourOfDay(); + if (hour > HOURS_IN_HALF_DAY) { + return hour - HOURS_IN_HALF_DAY; + } else { + return hour == 0 ? HOURS_IN_HALF_DAY : hour; + } + } + } + + /** + * Set current hour in 24 hour mode, in the range (0~23) + * + * @param hourOfDay + */ + public void setCurrentHour(int hourOfDay) { + if (!mInitialising && hourOfDay == getCurrentHourOfDay()) { + return; + } + mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); + if (!mIs24HourView) { + if (hourOfDay >= HOURS_IN_HALF_DAY) { + mIsAm = false; + if (hourOfDay > HOURS_IN_HALF_DAY) { + hourOfDay -= HOURS_IN_HALF_DAY; + } + } else { + mIsAm = true; + if (hourOfDay == 0) { + hourOfDay = HOURS_IN_HALF_DAY; + } + } + updateAmPmControl(); + } + mHourSpinner.setValue(hourOfDay); + onDateTimeChanged(); + } + + /** + * Get currentMinute + * + * @return The Current Minute + */ + public int getCurrentMinute() { + return mDate.get(Calendar.MINUTE); + } + + /** + * Set current minute + */ + public void setCurrentMinute(int minute) { + if (!mInitialising && minute == getCurrentMinute()) { + return; + } + mMinuteSpinner.setValue(minute); + mDate.set(Calendar.MINUTE, minute); + onDateTimeChanged(); + } + + /** + * @return true if this is in 24 hour view else false. + */ + public boolean is24HourView () { + return mIs24HourView; + } + + /** + * Set whether in 24 hour or AM/PM mode. + * + * @param is24HourView True for 24 hour mode. False for AM/PM mode. + */ + public void set24HourView(boolean is24HourView) { + if (mIs24HourView == is24HourView) { + return; + } + mIs24HourView = is24HourView; + mAmPmSpinner.setVisibility(is24HourView ? View.GONE : View.VISIBLE); + int hour = getCurrentHourOfDay(); + updateHourControl(); + setCurrentHour(hour); + updateAmPmControl(); + } + + private void updateDateControl() { + Calendar cal = Calendar.getInstance(); + cal.setTimeInMillis(mDate.getTimeInMillis()); + cal.add(Calendar.DAY_OF_YEAR, -DAYS_IN_ALL_WEEK / 2 - 1); + mDateSpinner.setDisplayedValues(null); + for (int i = 0; i < DAYS_IN_ALL_WEEK; ++i) { + cal.add(Calendar.DAY_OF_YEAR, 1); + mDateDisplayValues[i] = (String) DateFormat.format("MM.dd EEEE", cal); + } + mDateSpinner.setDisplayedValues(mDateDisplayValues); + mDateSpinner.setValue(DAYS_IN_ALL_WEEK / 2); + mDateSpinner.invalidate(); + } + + private void updateAmPmControl() { + if (mIs24HourView) { + mAmPmSpinner.setVisibility(View.GONE); + } else { + int index = mIsAm ? Calendar.AM : Calendar.PM; + mAmPmSpinner.setValue(index); + mAmPmSpinner.setVisibility(View.VISIBLE); + } + } + + private void updateHourControl() { + if (mIs24HourView) { + mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_24_HOUR_VIEW); + mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_24_HOUR_VIEW); + } else { + mHourSpinner.setMinValue(HOUR_SPINNER_MIN_VAL_12_HOUR_VIEW); + mHourSpinner.setMaxValue(HOUR_SPINNER_MAX_VAL_12_HOUR_VIEW); + } + } + + /** + * Set the callback that indicates the 'Set' button has been pressed. + * @param callback the callback, if null will do nothing + */ + public void setOnDateTimeChangedListener(OnDateTimeChangedListener callback) { + mOnDateTimeChangedListener = callback; + } + + private void onDateTimeChanged() { + if (mOnDateTimeChangedListener != null) { + mOnDateTimeChangedListener.onDateTimeChanged(this, getCurrentYear(), + getCurrentMonth(), getCurrentDay(), getCurrentHourOfDay(), getCurrentMinute()); + } + } +} diff --git a/other/06_211540837 吕良炜_代码标注/ui/DateTimePickerDialog.java b/other/06_211540837 吕良炜_代码标注/ui/DateTimePickerDialog.java new file mode 100644 index 0000000..2c47ba4 --- /dev/null +++ b/other/06_211540837 吕良炜_代码标注/ui/DateTimePickerDialog.java @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import java.util.Calendar; + +import net.micode.notes.R; +import net.micode.notes.ui.DateTimePicker; +import net.micode.notes.ui.DateTimePicker.OnDateTimeChangedListener; + +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.content.DialogInterface.OnClickListener; +import android.text.format.DateFormat; +import android.text.format.DateUtils; + +public class DateTimePickerDialog extends AlertDialog implements OnClickListener { + + private Calendar mDate = Calendar.getInstance(); + private boolean mIs24HourView; + private OnDateTimeSetListener mOnDateTimeSetListener; + private DateTimePicker mDateTimePicker; + + public interface OnDateTimeSetListener { + void OnDateTimeSet(AlertDialog dialog, long date); + } + + public DateTimePickerDialog(Context context, long date) { + super(context); + mDateTimePicker = new DateTimePicker(context); + setView(mDateTimePicker); + mDateTimePicker.setOnDateTimeChangedListener(new OnDateTimeChangedListener() { + public void onDateTimeChanged(DateTimePicker view, int year, int month, + int dayOfMonth, int hourOfDay, int minute) { + mDate.set(Calendar.YEAR, year); + mDate.set(Calendar.MONTH, month); + mDate.set(Calendar.DAY_OF_MONTH, dayOfMonth); + mDate.set(Calendar.HOUR_OF_DAY, hourOfDay); + mDate.set(Calendar.MINUTE, minute); + updateTitle(mDate.getTimeInMillis()); + } + }); + mDate.setTimeInMillis(date); + mDate.set(Calendar.SECOND, 0); + mDateTimePicker.setCurrentDate(mDate.getTimeInMillis()); + setButton(context.getString(R.string.datetime_dialog_ok), this); + setButton2(context.getString(R.string.datetime_dialog_cancel), (OnClickListener)null); + set24HourView(DateFormat.is24HourFormat(this.getContext())); + updateTitle(mDate.getTimeInMillis()); + } + + public void set24HourView(boolean is24HourView) { + mIs24HourView = is24HourView; + } + + public void setOnDateTimeSetListener(OnDateTimeSetListener callBack) { + mOnDateTimeSetListener = callBack; + } + + private void updateTitle(long date) { + int flag = + DateUtils.FORMAT_SHOW_YEAR | + DateUtils.FORMAT_SHOW_DATE | + DateUtils.FORMAT_SHOW_TIME; + flag |= mIs24HourView ? DateUtils.FORMAT_24HOUR : DateUtils.FORMAT_24HOUR; + setTitle(DateUtils.formatDateTime(this.getContext(), date, flag)); + } + + public void onClick(DialogInterface arg0, int arg1) { + if (mOnDateTimeSetListener != null) { + mOnDateTimeSetListener.OnDateTimeSet(this, mDate.getTimeInMillis()); + } + } + +} \ No newline at end of file diff --git a/other/06_211540837 吕良炜_代码标注/ui/DropdownMenu.java b/other/06_211540837 吕良炜_代码标注/ui/DropdownMenu.java new file mode 100644 index 0000000..613dc74 --- /dev/null +++ b/other/06_211540837 吕良炜_代码标注/ui/DropdownMenu.java @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.content.Context; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.view.View.OnClickListener; +import android.widget.Button; +import android.widget.PopupMenu; +import android.widget.PopupMenu.OnMenuItemClickListener; + +import net.micode.notes.R; + +public class DropdownMenu { + private Button mButton; + private PopupMenu mPopupMenu; + private Menu mMenu; + + public DropdownMenu(Context context, Button button, int menuId) { + mButton = button; + mButton.setBackgroundResource(R.drawable.dropdown_icon); + mPopupMenu = new PopupMenu(context, mButton); + mMenu = mPopupMenu.getMenu(); + mPopupMenu.getMenuInflater().inflate(menuId, mMenu); + mButton.setOnClickListener(new OnClickListener() { + public void onClick(View v) { + mPopupMenu.show(); + } + }); + } + + public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) { + if (mPopupMenu != null) { + mPopupMenu.setOnMenuItemClickListener(listener); + } + } + + public MenuItem findItem(int id) { + return mMenu.findItem(id); + } + + public void setTitle(CharSequence title) { + mButton.setText(title); + } +} diff --git a/other/06_211540837 吕良炜_代码标注/ui/FoldersListAdapter.java b/other/06_211540837 吕良炜_代码标注/ui/FoldersListAdapter.java new file mode 100644 index 0000000..96b77da --- /dev/null +++ b/other/06_211540837 吕良炜_代码标注/ui/FoldersListAdapter.java @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.content.Context; +import android.database.Cursor; +import android.view.View; +import android.view.ViewGroup; +import android.widget.CursorAdapter; +import android.widget.LinearLayout; +import android.widget.TextView; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; + + +public class FoldersListAdapter extends CursorAdapter { + public static final String [] PROJECTION = { + NoteColumns.ID, + NoteColumns.SNIPPET + }; + + public static final int ID_COLUMN = 0; + public static final int NAME_COLUMN = 1; + + public FoldersListAdapter(Context context, Cursor c) { + super(context, c); + // TODO Auto-generated constructor stub + } + + @Override + public View newView(Context context, Cursor cursor, ViewGroup parent) { + return new FolderListItem(context); + } + + @Override + public void bindView(View view, Context context, Cursor cursor) { + if (view instanceof FolderListItem) { + String folderName = (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context + .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); + ((FolderListItem) view).bind(folderName); + } + } + + public String getFolderName(Context context, int position) { + Cursor cursor = (Cursor) getItem(position); + return (cursor.getLong(ID_COLUMN) == Notes.ID_ROOT_FOLDER) ? context + .getString(R.string.menu_move_parent_folder) : cursor.getString(NAME_COLUMN); + } + + private class FolderListItem extends LinearLayout { + private TextView mName; + + public FolderListItem(Context context) { + super(context); + inflate(context, R.layout.folder_list_item, this); + mName = (TextView) findViewById(R.id.tv_folder_name); + } + + public void bind(String name) { + mName.setText(name); + } + } + +} diff --git a/other/06_211540837 吕良炜_代码标注/ui/NoteEditActivity.java b/other/06_211540837 吕良炜_代码标注/ui/NoteEditActivity.java new file mode 100644 index 0000000..96a9ff8 --- /dev/null +++ b/other/06_211540837 吕良炜_代码标注/ui/NoteEditActivity.java @@ -0,0 +1,873 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.ui; + +import android.app.Activity; +import android.app.AlarmManager; +import android.app.AlertDialog; +import android.app.PendingIntent; +import android.app.SearchManager; +import android.appwidget.AppWidgetManager; +import android.content.ContentUris; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.SharedPreferences; +import android.graphics.Paint; +import android.os.Bundle; +import android.preference.PreferenceManager; +import android.text.Spannable; +import android.text.SpannableString; +import android.text.TextUtils; +import android.text.format.DateUtils; +import android.text.style.BackgroundColorSpan; +import android.util.Log; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; +import android.view.MotionEvent; +import android.view.View; +import android.view.View.OnClickListener; +import android.view.WindowManager; +import android.widget.CheckBox; +import android.widget.CompoundButton; +import android.widget.CompoundButton.OnCheckedChangeListener; +import android.widget.EditText; +import android.widget.ImageView; +import android.widget.LinearLayout; +import android.widget.TextView; +import android.widget.Toast; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.TextNote; +import net.micode.notes.model.WorkingNote; +import net.micode.notes.model.WorkingNote.NoteSettingChangedListener; +import net.micode.notes.tool.DataUtils; +import net.micode.notes.tool.ResourceParser; +import net.micode.notes.tool.ResourceParser.TextAppearanceResources; +import net.micode.notes.ui.DateTimePickerDialog.OnDateTimeSetListener; +import net.micode.notes.ui.NoteEditText.OnTextViewChangeListener; +import net.micode.notes.widget.NoteWidgetProvider_2x; +import net.micode.notes.widget.NoteWidgetProvider_4x; + +import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + + +public class NoteEditActivity extends Activity implements OnClickListener, + NoteSettingChangedListener, OnTextViewChangeListener { + private class HeadViewHolder { + public TextView tvModified; + + public ImageView ivAlertIcon; + + public TextView tvAlertDate; + + public ImageView ibSetBgColor; + } + + private static final Map sBgSelectorBtnsMap = new HashMap(); + static { + sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW); + sBgSelectorBtnsMap.put(R.id.iv_bg_red, ResourceParser.RED); + sBgSelectorBtnsMap.put(R.id.iv_bg_blue, ResourceParser.BLUE); + sBgSelectorBtnsMap.put(R.id.iv_bg_green, ResourceParser.GREEN); + sBgSelectorBtnsMap.put(R.id.iv_bg_white, ResourceParser.WHITE); + } + + private static final Map sBgSelectorSelectionMap = new HashMap(); + static { + sBgSelectorSelectionMap.put(ResourceParser.YELLOW, R.id.iv_bg_yellow_select); + sBgSelectorSelectionMap.put(ResourceParser.RED, R.id.iv_bg_red_select); + sBgSelectorSelectionMap.put(ResourceParser.BLUE, R.id.iv_bg_blue_select); + sBgSelectorSelectionMap.put(ResourceParser.GREEN, R.id.iv_bg_green_select); + sBgSelectorSelectionMap.put(ResourceParser.WHITE, R.id.iv_bg_white_select); + } + + private static final Map sFontSizeBtnsMap = new HashMap(); + static { + sFontSizeBtnsMap.put(R.id.ll_font_large, ResourceParser.TEXT_LARGE); + sFontSizeBtnsMap.put(R.id.ll_font_small, ResourceParser.TEXT_SMALL); + sFontSizeBtnsMap.put(R.id.ll_font_normal, ResourceParser.TEXT_MEDIUM); + sFontSizeBtnsMap.put(R.id.ll_font_super, ResourceParser.TEXT_SUPER); + } + + private static final Map sFontSelectorSelectionMap = new HashMap(); + static { + sFontSelectorSelectionMap.put(ResourceParser.TEXT_LARGE, R.id.iv_large_select); + sFontSelectorSelectionMap.put(ResourceParser.TEXT_SMALL, R.id.iv_small_select); + sFontSelectorSelectionMap.put(ResourceParser.TEXT_MEDIUM, R.id.iv_medium_select); + sFontSelectorSelectionMap.put(ResourceParser.TEXT_SUPER, R.id.iv_super_select); + } + + private static final String TAG = "NoteEditActivity"; + + private HeadViewHolder mNoteHeaderHolder; + + private View mHeadViewPanel; + + private View mNoteBgColorSelector; + + private View mFontSizeSelector; + + private EditText mNoteEditor; + + private View mNoteEditorPanel; + + private WorkingNote mWorkingNote; + + private SharedPreferences mSharedPrefs; + private int mFontSizeId; + + private static final String PREFERENCE_FONT_SIZE = "pref_font_size"; + + private static final int SHORTCUT_ICON_TITLE_MAX_LEN = 10; + + public static final String TAG_CHECKED = String.valueOf('\u221A'); + public static final String TAG_UNCHECKED = String.valueOf('\u25A1'); + + private LinearLayout mEditTextList; + + private String mUserQuery; + private Pattern mPattern; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + this.setContentView(R.layout.note_edit); + + if (savedInstanceState == null && !initActivityState(getIntent())) { + finish(); + return; + } + initResources(); + } + + /** + * Current activity may be killed when the memory is low. Once it is killed, for another time + * user load this activity, we should restore the former state + */ + @Override + protected void onRestoreInstanceState(Bundle savedInstanceState) { + super.onRestoreInstanceState(savedInstanceState); + if (savedInstanceState != null && savedInstanceState.containsKey(Intent.EXTRA_UID)) { + Intent intent = new Intent(Intent.ACTION_VIEW); + intent.putExtra(Intent.EXTRA_UID, savedInstanceState.getLong(Intent.EXTRA_UID)); + if (!initActivityState(intent)) { + finish(); + return; + } + Log.d(TAG, "Restoring from killed activity"); + } + } + + private boolean initActivityState(Intent intent) { + /** + * If the user specified the {@link Intent#ACTION_VIEW} but not provided with id, + * then jump to the NotesListActivity + */ + mWorkingNote = null; + if (TextUtils.equals(Intent.ACTION_VIEW, intent.getAction())) { + long noteId = intent.getLongExtra(Intent.EXTRA_UID, 0); + mUserQuery = ""; + + /** + * Starting from the searched result + */ + if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { + noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); + mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); + } + + if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) { + Intent jump = new Intent(this, NotesListActivity.class); + startActivity(jump); + showToast(R.string.error_note_not_exist); + finish(); + return false; + } else { + mWorkingNote = WorkingNote.load(this, noteId); + if (mWorkingNote == null) { + Log.e(TAG, "load note failed with note id" + noteId); + finish(); + return false; + } + } + getWindow().setSoftInputMode( + WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN + | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE); + } else if(TextUtils.equals(Intent.ACTION_INSERT_OR_EDIT, intent.getAction())) { + // New note + long folderId = intent.getLongExtra(Notes.INTENT_EXTRA_FOLDER_ID, 0); + int widgetId = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_ID, + AppWidgetManager.INVALID_APPWIDGET_ID); + int widgetType = intent.getIntExtra(Notes.INTENT_EXTRA_WIDGET_TYPE, + Notes.TYPE_WIDGET_INVALIDE); + int bgResId = intent.getIntExtra(Notes.INTENT_EXTRA_BACKGROUND_ID, + ResourceParser.getDefaultBgId(this)); + + // Parse call-record note + String phoneNumber = intent.getStringExtra(Intent.EXTRA_PHONE_NUMBER); + long callDate = intent.getLongExtra(Notes.INTENT_EXTRA_CALL_DATE, 0); + if (callDate != 0 && phoneNumber != null) { + if (TextUtils.isEmpty(phoneNumber)) { + Log.w(TAG, "The call record number is null"); + } + long noteId = 0; + if ((noteId = DataUtils.getNoteIdByPhoneNumberAndCallDate(getContentResolver(), + phoneNumber, callDate)) > 0) { + mWorkingNote = WorkingNote.load(this, noteId); + if (mWorkingNote == null) { + Log.e(TAG, "load call note failed with note id" + noteId); + finish(); + return false; + } + } else { + mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, + widgetType, bgResId); + mWorkingNote.convertToCallNote(phoneNumber, callDate); + } + } else { + mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, + bgResId); + } + + getWindow().setSoftInputMode( + WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE + | WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); + } else { + Log.e(TAG, "Intent not specified action, should not support"); + finish(); + return false; + } + mWorkingNote.setOnSettingStatusChangedListener(this); + return true; + } + + @Override + protected void onResume() { + super.onResume(); + initNoteScreen(); + } + + private void initNoteScreen() { + mNoteEditor.setTextAppearance(this, TextAppearanceResources + .getTexAppearanceResource(mFontSizeId)); + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + switchToListMode(mWorkingNote.getContent()); + } else { + mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); + mNoteEditor.setSelection(mNoteEditor.getText().length()); + } + for (Integer id : sBgSelectorSelectionMap.keySet()) { + findViewById(sBgSelectorSelectionMap.get(id)).setVisibility(View.GONE); + } + mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId()); + mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId()); + + mNoteHeaderHolder.tvModified.setText(DateUtils.formatDateTime(this, + mWorkingNote.getModifiedDate(), DateUtils.FORMAT_SHOW_DATE + | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_TIME + | DateUtils.FORMAT_SHOW_YEAR)); + + /** + * TODO: Add the menu for setting alert. Currently disable it because the DateTimePicker + * is not ready + */ + showAlertHeader(); + } + + private void showAlertHeader() { + if (mWorkingNote.hasClockAlert()) { + long time = System.currentTimeMillis(); + if (time > mWorkingNote.getAlertDate()) { + mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); + } else { + mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString( + mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS)); + } + mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE); + mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE); + } else { + mNoteHeaderHolder.tvAlertDate.setVisibility(View.GONE); + mNoteHeaderHolder.ivAlertIcon.setVisibility(View.GONE); + }; + } + + @Override + protected void onNewIntent(Intent intent) { + super.onNewIntent(intent); + initActivityState(intent); + } + + @Override + protected void onSaveInstanceState(Bundle outState) { + super.onSaveInstanceState(outState); + /** + * For new note without note id, we should firstly save it to + * generate a id. If the editing note is not worth saving, there + * is no id which is equivalent to create new note + */ + if (!mWorkingNote.existInDatabase()) { + saveNote(); + } + outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId()); + Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); + } + + @Override + public boolean dispatchTouchEvent(MotionEvent ev) { + if (mNoteBgColorSelector.getVisibility() == View.VISIBLE + && !inRangeOfView(mNoteBgColorSelector, ev)) { + mNoteBgColorSelector.setVisibility(View.GONE); + return true; + } + + if (mFontSizeSelector.getVisibility() == View.VISIBLE + && !inRangeOfView(mFontSizeSelector, ev)) { + mFontSizeSelector.setVisibility(View.GONE); + return true; + } + return super.dispatchTouchEvent(ev); + } + + private boolean inRangeOfView(View view, MotionEvent ev) { + int []location = new int[2]; + view.getLocationOnScreen(location); + int x = location[0]; + int y = location[1]; + if (ev.getX() < x + || ev.getX() > (x + view.getWidth()) + || ev.getY() < y + || ev.getY() > (y + view.getHeight())) { + return false; + } + return true; + } + + private void initResources() { + mHeadViewPanel = findViewById(R.id.note_title); + mNoteHeaderHolder = new HeadViewHolder(); + mNoteHeaderHolder.tvModified = (TextView) findViewById(R.id.tv_modified_date); + mNoteHeaderHolder.ivAlertIcon = (ImageView) findViewById(R.id.iv_alert_icon); + mNoteHeaderHolder.tvAlertDate = (TextView) findViewById(R.id.tv_alert_date); + mNoteHeaderHolder.ibSetBgColor = (ImageView) findViewById(R.id.btn_set_bg_color); + mNoteHeaderHolder.ibSetBgColor.setOnClickListener(this); + mNoteEditor = (EditText) findViewById(R.id.note_edit_view); + mNoteEditorPanel = findViewById(R.id.sv_note_edit); + mNoteBgColorSelector = findViewById(R.id.note_bg_color_selector); + for (int id : sBgSelectorBtnsMap.keySet()) { + ImageView iv = (ImageView) findViewById(id); + iv.setOnClickListener(this); + } + + mFontSizeSelector = findViewById(R.id.font_size_selector); + for (int id : sFontSizeBtnsMap.keySet()) { + View view = findViewById(id); + view.setOnClickListener(this); + }; + mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this); + mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE); + /** + * HACKME: Fix bug of store the resource id in shared preference. + * The id may larger than the length of resources, in this case, + * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE} + */ + if(mFontSizeId >= TextAppearanceResources.getResourcesSize()) { + mFontSizeId = ResourceParser.BG_DEFAULT_FONT_SIZE; + } + mEditTextList = (LinearLayout) findViewById(R.id.note_edit_list); + } + + @Override + protected void onPause() { + super.onPause(); + if(saveNote()) { + Log.d(TAG, "Note data was saved with length:" + mWorkingNote.getContent().length()); + } + clearSettingState(); + } + + private void updateWidget() { + Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); + if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_2X) { + intent.setClass(this, NoteWidgetProvider_2x.class); + } else if (mWorkingNote.getWidgetType() == Notes.TYPE_WIDGET_4X) { + intent.setClass(this, NoteWidgetProvider_4x.class); + } else { + Log.e(TAG, "Unspported widget type"); + return; + } + + intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { + mWorkingNote.getWidgetId() + }); + + sendBroadcast(intent); + setResult(RESULT_OK, intent); + } + + public void onClick(View v) { + int id = v.getId(); + if (id == R.id.btn_set_bg_color) { + mNoteBgColorSelector.setVisibility(View.VISIBLE); + findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( + - View.VISIBLE); + } else if (sBgSelectorBtnsMap.containsKey(id)) { + findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( + View.GONE); + mWorkingNote.setBgColorId(sBgSelectorBtnsMap.get(id)); + mNoteBgColorSelector.setVisibility(View.GONE); + } else if (sFontSizeBtnsMap.containsKey(id)) { + findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.GONE); + mFontSizeId = sFontSizeBtnsMap.get(id); + mSharedPrefs.edit().putInt(PREFERENCE_FONT_SIZE, mFontSizeId).commit(); + findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + getWorkingText(); + switchToListMode(mWorkingNote.getContent()); + } else { + mNoteEditor.setTextAppearance(this, + TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); + } + mFontSizeSelector.setVisibility(View.GONE); + } + } + + @Override + public void onBackPressed() { + if(clearSettingState()) { + return; + } + + saveNote(); + super.onBackPressed(); + } + + private boolean clearSettingState() { + if (mNoteBgColorSelector.getVisibility() == View.VISIBLE) { + mNoteBgColorSelector.setVisibility(View.GONE); + return true; + } else if (mFontSizeSelector.getVisibility() == View.VISIBLE) { + mFontSizeSelector.setVisibility(View.GONE); + return true; + } + return false; + } + + public void onBackgroundColorChanged() { + findViewById(sBgSelectorSelectionMap.get(mWorkingNote.getBgColorId())).setVisibility( + View.VISIBLE); + mNoteEditorPanel.setBackgroundResource(mWorkingNote.getBgColorResId()); + mHeadViewPanel.setBackgroundResource(mWorkingNote.getTitleBgResId()); + } + + @Override + public boolean onPrepareOptionsMenu(Menu menu) { + if (isFinishing()) { + return true; + } + clearSettingState(); + menu.clear(); + if (mWorkingNote.getFolderId() == Notes.ID_CALL_RECORD_FOLDER) { + getMenuInflater().inflate(R.menu.call_note_edit, menu); + } else { + getMenuInflater().inflate(R.menu.note_edit, menu); + } + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_normal_mode); + } else { + menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode); + } + if (mWorkingNote.hasClockAlert()) { + menu.findItem(R.id.menu_alert).setVisible(false); + } else { + menu.findItem(R.id.menu_delete_remind).setVisible(false); + } + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + switch (item.getItemId()) { + case R.id.menu_new_note: + createNewNote(); + break; + case R.id.menu_delete: + AlertDialog.Builder builder = new AlertDialog.Builder(this); + builder.setTitle(getString(R.string.alert_title_delete)); + builder.setIcon(android.R.drawable.ic_dialog_alert); + builder.setMessage(getString(R.string.alert_message_delete_note)); + builder.setPositiveButton(android.R.string.ok, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + deleteCurrentNote(); + finish(); + } + }); + builder.setNegativeButton(android.R.string.cancel, null); + builder.show(); + break; + case R.id.menu_font_size: + mFontSizeSelector.setVisibility(View.VISIBLE); + findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); + break; + case R.id.menu_list_mode: + mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? + TextNote.MODE_CHECK_LIST : 0); + break; + case R.id.menu_share: + getWorkingText(); + sendTo(this, mWorkingNote.getContent()); + break; + case R.id.menu_send_to_desktop: + sendToDesktop(); + break; + case R.id.menu_alert: + setReminder(); + break; + case R.id.menu_delete_remind: + mWorkingNote.setAlertDate(0, false); + break; + default: + break; + } + return true; + } + + private void setReminder() { + DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis()); + d.setOnDateTimeSetListener(new OnDateTimeSetListener() { + public void OnDateTimeSet(AlertDialog dialog, long date) { + mWorkingNote.setAlertDate(date , true); + } + }); + d.show(); + } + + /** + * Share note to apps that support {@link Intent#ACTION_SEND} action + * and {@text/plain} type + */ + private void sendTo(Context context, String info) { + Intent intent = new Intent(Intent.ACTION_SEND); + intent.putExtra(Intent.EXTRA_TEXT, info); + intent.setType("text/plain"); + context.startActivity(intent); + } + + private void createNewNote() { + // Firstly, save current editing notes + saveNote(); + + // For safety, start a new NoteEditActivity + finish(); + Intent intent = new Intent(this, NoteEditActivity.class); + intent.setAction(Intent.ACTION_INSERT_OR_EDIT); + intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId()); + startActivity(intent); + } + + private void deleteCurrentNote() { + if (mWorkingNote.existInDatabase()) { + HashSet ids = new HashSet(); + long id = mWorkingNote.getNoteId(); + if (id != Notes.ID_ROOT_FOLDER) { + ids.add(id); + } else { + Log.d(TAG, "Wrong note id, should not happen"); + } + if (!isSyncMode()) { + if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { + Log.e(TAG, "Delete Note error"); + } + } else { + if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) { + Log.e(TAG, "Move notes to trash folder error, should not happens"); + } + } + } + mWorkingNote.markDeleted(true); + } + + private boolean isSyncMode() { + return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; + } + + public void onClockAlertChanged(long date, boolean set) { + /** + * User could set clock to an unsaved note, so before setting the + * alert clock, we should save the note first + */ + if (!mWorkingNote.existInDatabase()) { + saveNote(); + } + if (mWorkingNote.getNoteId() > 0) { + Intent intent = new Intent(this, AlarmReceiver.class); + intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); + PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); + AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); + showAlertHeader(); + if(!set) { + alarmManager.cancel(pendingIntent); + } else { + alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); + } + } else { + /** + * There is the condition that user has input nothing (the note is + * not worthy saving), we have no note id, remind the user that he + * should input something + */ + Log.e(TAG, "Clock alert setting error"); + showToast(R.string.error_note_empty_for_clock); + } + } + + public void onWidgetChanged() { + updateWidget(); + } + + public void onEditTextDelete(int index, String text) { + int childCount = mEditTextList.getChildCount(); + if (childCount == 1) { + return; + } + + for (int i = index + 1; i < childCount; i++) { + ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) + .setIndex(i - 1); + } + + mEditTextList.removeViewAt(index); + NoteEditText edit = null; + if(index == 0) { + edit = (NoteEditText) mEditTextList.getChildAt(0).findViewById( + R.id.et_edit_text); + } else { + edit = (NoteEditText) mEditTextList.getChildAt(index - 1).findViewById( + R.id.et_edit_text); + } + int length = edit.length(); + edit.append(text); + edit.requestFocus(); + edit.setSelection(length); + } + + public void onEditTextEnter(int index, String text) { + /** + * Should not happen, check for debug + */ + if(index > mEditTextList.getChildCount()) { + Log.e(TAG, "Index out of mEditTextList boundrary, should not happen"); + } + + View view = getListItem(text, index); + mEditTextList.addView(view, index); + NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + edit.requestFocus(); + edit.setSelection(0); + for (int i = index + 1; i < mEditTextList.getChildCount(); i++) { + ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) + .setIndex(i); + } + } + + private void switchToListMode(String text) { + mEditTextList.removeAllViews(); + String[] items = text.split("\n"); + int index = 0; + for (String item : items) { + if(!TextUtils.isEmpty(item)) { + mEditTextList.addView(getListItem(item, index)); + index++; + } + } + mEditTextList.addView(getListItem("", index)); + mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus(); + + mNoteEditor.setVisibility(View.GONE); + mEditTextList.setVisibility(View.VISIBLE); + } + + private Spannable getHighlightQueryResult(String fullText, String userQuery) { + SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); + if (!TextUtils.isEmpty(userQuery)) { + mPattern = Pattern.compile(userQuery); + Matcher m = mPattern.matcher(fullText); + int start = 0; + while (m.find(start)) { + spannable.setSpan( + new BackgroundColorSpan(this.getResources().getColor( + R.color.user_query_highlight)), m.start(), m.end(), + Spannable.SPAN_INCLUSIVE_EXCLUSIVE); + start = m.end(); + } + } + return spannable; + } + + private View getListItem(String item, int index) { + View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); + final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); + CheckBox cb = ((CheckBox) view.findViewById(R.id.cb_edit_item)); + cb.setOnCheckedChangeListener(new OnCheckedChangeListener() { + public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { + if (isChecked) { + edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); + } else { + edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); + } + } + }); + + if (item.startsWith(TAG_CHECKED)) { + cb.setChecked(true); + edit.setPaintFlags(edit.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); + item = item.substring(TAG_CHECKED.length(), item.length()).trim(); + } else if (item.startsWith(TAG_UNCHECKED)) { + cb.setChecked(false); + edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG); + item = item.substring(TAG_UNCHECKED.length(), item.length()).trim(); + } + + edit.setOnTextViewChangeListener(this); + edit.setIndex(index); + edit.setText(getHighlightQueryResult(item, mUserQuery)); + return view; + } + + public void onTextChange(int index, boolean hasText) { + if (index >= mEditTextList.getChildCount()) { + Log.e(TAG, "Wrong index, should not happen"); + return; + } + if(hasText) { + mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.VISIBLE); + } else { + mEditTextList.getChildAt(index).findViewById(R.id.cb_edit_item).setVisibility(View.GONE); + } + } + + public void onCheckListModeChanged(int oldMode, int newMode) { + if (newMode == TextNote.MODE_CHECK_LIST) { + switchToListMode(mNoteEditor.getText().toString()); + } else { + if (!getWorkingText()) { + mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", + "")); + } + mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); + mEditTextList.setVisibility(View.GONE); + mNoteEditor.setVisibility(View.VISIBLE); + } + } + + private boolean getWorkingText() { + boolean hasChecked = false; + if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { + StringBuilder sb = new StringBuilder(); + for (int i = 0; i < mEditTextList.getChildCount(); i++) { + View view = mEditTextList.getChildAt(i); + NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); + if (!TextUtils.isEmpty(edit.getText())) { + if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { + sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); + hasChecked = true; + } else { + sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); + } + } + } + mWorkingNote.setWorkingText(sb.toString()); + } else { + mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); + } + return hasChecked; + } + + private boolean saveNote() { + getWorkingText(); + boolean saved = mWorkingNote.saveNote(); + if (saved) { + /** + * There are two modes from List view to edit view, open one note, + * create/edit a node. Opening node requires to the original + * position in the list when back from edit view, while creating a + * new node requires to the top of the list. This code + * {@link #RESULT_OK} is used to identify the create/edit state + */ + setResult(RESULT_OK); + } + return saved; + } + + private void sendToDesktop() { + /** + * Before send message to home, we should make sure that current + * editing note is exists in databases. So, for new note, firstly + * save it + */ + if (!mWorkingNote.existInDatabase()) { + saveNote(); + } + + if (mWorkingNote.getNoteId() > 0) { + Intent sender = new Intent(); + Intent shortcutIntent = new Intent(this, NoteEditActivity.class); + shortcutIntent.setAction(Intent.ACTION_VIEW); + shortcutIntent.putExtra(Intent.EXTRA_UID, mWorkingNote.getNoteId()); + sender.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); + sender.putExtra(Intent.EXTRA_SHORTCUT_NAME, + makeShortcutIconTitle(mWorkingNote.getContent())); + sender.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, + Intent.ShortcutIconResource.fromContext(this, R.drawable.icon_app)); + sender.putExtra("duplicate", true); + sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); + showToast(R.string.info_note_enter_desktop); + sendBroadcast(sender); + } else { + /** + * There is the condition that user has input nothing (the note is + * not worthy saving), we have no note id, remind the user that he + * should input something + */ + Log.e(TAG, "Send to desktop error"); + showToast(R.string.error_note_empty_for_send_to_desktop); + } + } + + private String makeShortcutIconTitle(String content) { + content = content.replace(TAG_CHECKED, ""); + content = content.replace(TAG_UNCHECKED, ""); + return content.length() > SHORTCUT_ICON_TITLE_MAX_LEN ? content.substring(0, + SHORTCUT_ICON_TITLE_MAX_LEN) : content; + } + + private void showToast(int resId) { + showToast(resId, Toast.LENGTH_SHORT); + } + + private void showToast(int resId, int duration) { + Toast.makeText(this, resId, duration).show(); + } +} diff --git a/other/other.txt b/other/other.txt deleted file mode 100644 index 27fa349..0000000 --- a/other/other.txt +++ /dev/null @@ -1 +0,0 @@ -other \ No newline at end of file