diff --git a/NoteEditActivity.java b/NoteEditActivity.java deleted file mode 100644 index 274df69..0000000 --- a/NoteEditActivity.java +++ /dev/null @@ -1,1070 +0,0 @@ -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 { - //该类主要是针对标签的编辑 - //继承了系统内部许多和监听有关的类 - private class HeadViewHolder { - public TextView tvModified; - - public ImageView ivAlertIcon; - - public TextView tvAlertDate; - - public ImageView ibSetBgColor; - } - //使用Map实现数据存储 - 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); - //put函数是将指定值和指定键相连 - } - - 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); - //put函数是将指定值和指定键相连 - } - - 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); - //put函数是将指定值和指定键相连 - } - - 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); - //put函数是将指定值和指定键相连 - } - - private static final String TAG = "NoteEditActivity"; - - private HeadViewHolder mNoteHeaderHolder; - - private View mHeadViewPanel; - //私有化一个界面操作mHeadViewPanel，对表头的操作 - private View mNoteBgColorSelector; - //私有化一个界面操作mNoteBgColorSelector，对背景颜色的操作 - private View mFontSizeSelector; - //私有化一个界面操作mFontSizeSelector，对标签字体的操作 - private EditText mNoteEditor; - //声明编辑控件，对文本操作 - private View mNoteEditorPanel; - //私有化一个界面操作mNoteEditorPanel，文本编辑的控制板 - //private WorkingNote mWorkingNote; - public WorkingNote mWorkingNote; - //对模板WorkingNote的初始化 - private SharedPreferences mSharedPrefs; - //私有化SharedPreferences的数据存储方式 - //它的本质是基于XML文件存储key-value键值对数据 - private int mFontSizeId; - //用于操作字体的大小 - 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; - //线性布局 - private String mUserQuery; - private Pattern mPattern; - - @Override - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - this.setContentView(R.layout.note_edit); - //对数据库的访问操作 - 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"); - }//为防止内存不足时程序的终止，在这里有一个保存现场的函数 - } - - 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 = ""; - //如果用户实例化标签时，系统并未给出标签ID - /** - * Starting from the searched result - */ - //根据键值查找ID - if (intent.hasExtra(SearchManager.EXTRA_DATA_KEY)) { - noteId = Long.parseLong(intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); - mUserQuery = intent.getStringExtra(SearchManager.USER_QUERY); - } - //如果ID在数据库中未找到 - if (!DataUtils.visibleInNoteDatabase(getContentResolver(), noteId, Notes.TYPE_NOTE)) { - Intent jump = new Intent(this, NotesListActivity.class); - startActivity(jump); - //程序将跳转到上面声明的intent——jump - showToast(R.string.error_note_not_exist); - finish(); - return false; - } - //ID在数据库中找到 - else { - mWorkingNote = WorkingNote.load(this, noteId); - if (mWorkingNote == null) { - Log.e(TAG, "load note failed with note id" + noteId); - //打印出红色的错误信息 - finish(); - return false; - } - } - //setSoftInputMode——软键盘输入模式 - 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())) { - // intent.getAction() - // 大多用于broadcast发送广播时给机制（intent）设置一个action，就是一个字符串 - // 用户可以通过receive（接受）intent，通过 getAction得到的字符串，来决定做什么 - 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)); - // intent.getInt（Long、String）Extra是对各变量的语法分析 - // 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; - } - //将电话号码与手机的号码簿相关 - } else { - mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, - widgetType, bgResId); - mWorkingNote.convertToCallNote(phoneNumber, callDate); - // - } - } else { - mWorkingNote = WorkingNote.createEmptyNote(this, folderId, widgetId, widgetType, - bgResId); - }//创建一个新的WorkingNote - - 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() { - //对界面的初始化操作 - mNoteEditor.setTextAppearance(this, TextAppearanceResources - .getTexAppearanceResource(mFontSizeId)); - //设置外观 - 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(); - } - //设置闹钟的显示 - private void showAlertHeader() { - if (mWorkingNote.hasClockAlert()) { - long time = System.currentTimeMillis(); - if (time > mWorkingNote.getAlertDate()) { - mNoteHeaderHolder.tvAlertDate.setText(R.string.note_alert_expired); - } - //如果系统时间大于了闹钟设置的时间，那么闹钟失效 - else { - mNoteHeaderHolder.tvAlertDate.setText(DateUtils.getRelativeTimeSpanString( - mWorkingNote.getAlertDate(), time, DateUtils.MINUTE_IN_MILLIS)); - } - mNoteHeaderHolder.tvAlertDate.setVisibility(View.VISIBLE); - mNoteHeaderHolder.ivAlertIcon.setVisibility(View.VISIBLE); - //显示闹钟开启的图标 - } 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(); - } - //在创建一个新的标签时，先在数据库中匹配 - //如果不存在，那么先在数据库中存储 - outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId()); - Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState"); - } - - @Override - //MotionEvent是对屏幕触控的传递机制 - public boolean dispatchTouchEvent(MotionEvent ev) { - if (mNoteBgColorSelector.getVisibility() == View.VISIBLE - && !inRangeOfView(mNoteBgColorSelector, ev)) { - mNoteBgColorSelector.setVisibility(View.GONE); - return true; - }//颜色选择器在屏幕上可见 - - if (mFontSizeSelector.getVisibility() == View.VISIBLE - && !inRangeOfView(mFontSizeSelector, ev)) { - mFontSizeSelector.setVisibility(View.GONE); - return true; - }//字体大小选择器在屏幕上可见 - return super.dispatchTouchEvent(ev); - } - //对屏幕触控的坐标进行操作 - 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())) - //如果触控的位置超出了给定的范围，返回false - { - 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); - }//对标签各项属性内容的初始化 - - mFontSizeSelector = findViewById(R.id.font_size_selector); - for (int id : sFontSizeBtnsMap.keySet()) { - View view = findViewById(id); - view.setOnClickListener(this); - };//对字体大小的选择 - 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(); - } - //和桌面小工具的同步 - 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); - } - }//************************存在问题 - - @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 - //对选择菜单的准备 - 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); - // MenuInflater是用来实例化Menu目录下的Menu布局文件的 - } 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 - /* - * 函数功能：动态改变菜单选项内容 - * 函数实现：如下注释 - */ - public boolean onOptionsItemSelected(MenuItem item) { - switch (item.getItemId()) { - //根据菜单的id来编剧相关项目 - case R.id.menu_new_note: - //创建一个新的便签 - createNewNote(); - break; - case R.id.menu_delete: - //删除便签 - AlertDialog.Builder builder = new AlertDialog.Builder(this); - //创建关于删除操作的对话框 - builder.setTitle(getString(R.string.alert_title_delete)); - // 设置标签的标题为alert_title_delete - builder.setIcon(android.R.drawable.ic_dialog_alert); - //设置对话框图标 - builder.setMessage(getString(R.string.alert_message_delete_note)); - //设置对话框内容 - builder.setPositiveButton(android.R.string.ok, - new DialogInterface.OnClickListener() { - //建立按键监听器 - public void onClick(DialogInterface dialog, int which) { - //点击所触发事件 - deleteCurrentNote(); - // 删除单签便签 - finish(); - } - }); - //添加“YES”按钮 - builder.setNegativeButton(android.R.string.cancel, null); - //添加“NO”的按钮 - builder.show(); - //显示对话框 - break; - case R.id.menu_font_size: - //字体大小的编辑 - mFontSizeSelector.setVisibility(View.VISIBLE); - // 将字体选择器置为可见 - findViewById(sFontSelectorSelectionMap.get(mFontSizeId)).setVisibility(View.VISIBLE); - // 通过id找到相应的大小 - break; - case R.id.menu_list_mode: - //选择列表模式 - mWorkingNote.setCheckListMode(mWorkingNote.getCheckListMode() == 0 ? - TextNote.MODE_CHECK_LIST : 0); - break; - case R.id.menu_share: - //菜单共享 - getWorkingText(); - sendTo(this, mWorkingNote.getContent()); - // 用sendto函数将运行文本发送到遍历的本文内 - break; - case R.id.menu_send_to_desktop: - //发送到桌面 - sendToDesktop(); - break; - case R.id.menu_alert: - //创建提醒器 - setReminder(); - break; - case R.id.menu_delete_remind: - //删除日期提醒 - mWorkingNote.setAlertDate(0, false); - break; - default: - break; - } - return true; - } - - /* - * 函数功能：建立事件提醒器 - * 函数实现：如下注释 - */ - private void setReminder() { - DateTimePickerDialog d = new DateTimePickerDialog(this, System.currentTimeMillis()); - // 建立修改时间日期的对话框 - d.setOnDateTimeSetListener(new OnDateTimeSetListener() { - public void OnDateTimeSet(AlertDialog dialog, long date) { - mWorkingNote.setAlertDate(date , true); - //选择提醒的日期 - } - }); - //建立时间日期的监听器 - d.show(); - //显示对话框 - } - - /** - * Share note to apps that support {@link Intent#ACTION_SEND} action - * and {@text/plain} type - */ - /* - * 函数功能：共享便签 - * 函数实现：如下注释 - */ - private void sendTo(Context context, String info) { - Intent intent = new Intent(Intent.ACTION_SEND); - //建立intent链接选项 - intent.putExtra(Intent.EXTRA_TEXT, info); - //将需要传递的便签信息放入text文件中 - intent.setType("text/plain"); - //编辑连接器的类型 - context.startActivity(intent); - //在acti中进行链接 - } - - /* - * 函数功能：创建一个新的便签 - * 函数实现：如下注释 - */ - private void createNewNote() { - // Firstly, save current editing notes - //保存当前便签 - saveNote(); - - // For safety, start a new NoteEditActivity - finish(); - Intent intent = new Intent(this, NoteEditActivity.class); - //设置链接器 - intent.setAction(Intent.ACTION_INSERT_OR_EDIT); - //该活动定义为创建或编辑 - intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mWorkingNote.getFolderId()); - //将运行便签的id添加到INTENT_EXTRA_FOLDER_ID标记中 - startActivity(intent); - //开始activity并链接 - } - - /* - * 函数功能：删除当前便签 - * 函数实现：如下注释 - */ - private void deleteCurrentNote() { - if (mWorkingNote.existInDatabase()) { - //假如当前运行的便签内存有数据 - HashSet ids = new HashSet(); - long id = mWorkingNote.getNoteId(); - if (id != Notes.ID_ROOT_FOLDER) { - ids.add(id); - //如果不是头文件夹建立一个hash表把便签id存起来 - } else { - Log.d(TAG, "Wrong note id, should not happen"); - //否则报错 - } - if (!isSyncMode()) { - //在非同步模式情况下 - //删除操作 - if (!DataUtils.batchDeleteNotes(getContentResolver(), ids)) { - Log.e(TAG, "Delete Note error"); - } - } else { - //同步模式 - //移动至垃圾文件夹的操作 - if (!DataUtils.batchMoveToFolder(getContentResolver(), ids, Notes.ID_TRASH_FOLER)) { - Log.e(TAG, "Move notes to trash folder error, should not happens"); - } - } - } - mWorkingNote.markDeleted(true); - //将这些标签的删除标记置为true - } - - /* - * 函数功能：判断是否为同步模式 - * 函数实现：直接看NotesPreferenceActivity中同步名称是否为空 - */ - private boolean isSyncMode() { - return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; - } - - /* - * 函数功能：设置提醒时间 - * 函数实现：如下注释 - */ - 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()) { - //首先保存已有的便签 - saveNote(); - } - if (mWorkingNote.getNoteId() > 0) { - Intent intent = new Intent(this, AlarmReceiver.class); - intent.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mWorkingNote.getNoteId())); - //若有有运行的便签就是建立一个链接器将标签id都存在uri中 - PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); - AlarmManager alarmManager = ((AlarmManager) getSystemService(ALARM_SERVICE)); - //设置提醒管理器 - showAlertHeader(); - if(!set) { - alarmManager.cancel(pendingIntent); - } else { - alarmManager.set(AlarmManager.RTC_WAKEUP, date, pendingIntent); - } - //如果用户设置了时间，就通过提醒管理器设置一个监听事项 - } 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 - */ - //没有运行的便签就报错 - Log.e(TAG, "Clock alert setting error"); - showToast(R.string.error_note_empty_for_clock); - } - } - - /* - * 函数功能：Widget发生改变的所触发的事件 - */ - public void onWidgetChanged() { - updateWidget();//更新Widget - } - - /* - * 函数功能： 删除编辑文本框所触发的事件 - * 函数实现：如下注释 - */ - public void onEditTextDelete(int index, String text) { - int childCount = mEditTextList.getChildCount(); - if (childCount == 1) { - return; - } - //没有编辑框的话直接返回 - for (int i = index + 1; i < childCount; i++) { - ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) - .setIndex(i - 1); - //通过id把编辑框存在便签编辑框中 - } - - mEditTextList.removeViewAt(index); - //删除特定位置的视图 - 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); - } - //通过id把编辑框存在空的NoteEditText中 - int length = edit.length(); - edit.append(text); - edit.requestFocus();//请求优先完成该此 编辑 - edit.setSelection(length);//定位到length位置处的条目 - } - - /* - * 函数功能：进入编辑文本框所触发的事件 - * 函数实现：如下注释 - */ - 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"); - //越界把偶偶 - } - - View view = getListItem(text, index); - mEditTextList.addView(view, index); - //建立一个新的视图并添加到编辑文本框内 - NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - edit.requestFocus();//请求优先操作 - edit.setSelection(0);//定位到起始位置 - for (int i = index + 1; i < mEditTextList.getChildCount(); i++) { - ((NoteEditText) mEditTextList.getChildAt(i).findViewById(R.id.et_edit_text)) - .setIndex(i); - //遍历子文本框并设置对应对下标 - } - } - - /* - * 函数功能：切换至列表模式 - * 函数实现：如下注释 - */ - private void switchToListMode(String text) { - mEditTextList.removeAllViews(); - String[] items = text.split("\n"); - int index = 0; - //清空所有视图，初始化下标 - for (String item : items) { - if(!TextUtils.isEmpty(item)) { - mEditTextList.addView(getListItem(item, index)); - index++; - //遍历所有文本单元并添加到文本框中 - } - } - mEditTextList.addView(getListItem("", index)); - mEditTextList.getChildAt(index).findViewById(R.id.et_edit_text).requestFocus(); - //优先请求此操作 - - mNoteEditor.setVisibility(View.GONE); - //便签编辑器不可见 - mEditTextList.setVisibility(View.VISIBLE); - //将文本编辑框置为可见 - } - - /* - * 函数功能：获取高亮效果的反馈情况 - * 函数实现：如下注释 - */ - private Spannable getHighlightQueryResult(String fullText, String userQuery) { - SpannableString spannable = new SpannableString(fullText == null ? "" : fullText); - //新建一个效果选项 - if (!TextUtils.isEmpty(userQuery)) { - mPattern = Pattern.compile(userQuery); - //将用户的询问进行解析 - Matcher m = mPattern.matcher(fullText); - //建立一个状态机检查Pattern并进行匹配 - 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); - //设置背景颜色 - start = m.end(); - //跟新起始位置 - } - } - return spannable; - } - - /* - * 函数功能：获取列表项 - * 函数实现：如下注释 - */ - private View getListItem(String item, int index) { - View view = LayoutInflater.from(this).inflate(R.layout.note_edit_list_item, null); - //创建一个视图 - final NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - edit.setTextAppearance(this, TextAppearanceResources.getTexAppearanceResource(mFontSizeId)); - //创建一个文本编辑框并设置可见性 - 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); - } - } - }); - //建立一个打钩框并设置监听器 - - if (item.startsWith(TAG_CHECKED)) { - //选择勾选 - 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)) { - //选择不勾选 - 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)); - //运行编辑框的监听器对该行为作出反应，并设置下标及文本内容 - return view; - } - - /* - * 函数功能：便签内容发生改变所 触发的事件 - * 函数实现：如下注释 - */ - public void onTextChange(int index, boolean hasText) { - if (index >= mEditTextList.getChildCount()) { - Log.e(TAG, "Wrong index, should not happen"); - return; - //越界报错 - } - 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); - } - //如果内容不为空则将其子编辑框可见性置为可见，否则不可见 - } - - /* - * 函数功能：检查模式和列表模式的切换 - * 函数实现：如下注释 - */ - public void onCheckListModeChanged(int oldMode, int newMode) { - if (newMode == TextNote.MODE_CHECK_LIST) { - switchToListMode(mNoteEditor.getText().toString()); - //检查模式切换到列表模式 - } else { - if (!getWorkingText()) { - mWorkingNote.setWorkingText(mWorkingNote.getContent().replace(TAG_UNCHECKED + " ", - "")); - } - //若是获取到文本就改变其检查标记 - mNoteEditor.setText(getHighlightQueryResult(mWorkingNote.getContent(), mUserQuery)); - mEditTextList.setVisibility(View.GONE); - mNoteEditor.setVisibility(View.VISIBLE); - //修改文本编辑器的内容和可见性 - } - } - - /* - * 函数功能：设置勾选选项表并返回是否勾选的标记 - * 函数实现：如下注释 - */ - private boolean getWorkingText() { - boolean hasChecked = false; - //初始化check标记 - if (mWorkingNote.getCheckListMode() == TextNote.MODE_CHECK_LIST) { - // 若模式为CHECK_LIST - StringBuilder sb = new StringBuilder(); - //创建可变字符串 - for (int i = 0; i < mEditTextList.getChildCount(); i++) { - View view = mEditTextList.getChildAt(i); - //遍历所有子编辑框的视图 - NoteEditText edit = (NoteEditText) view.findViewById(R.id.et_edit_text); - if (!TextUtils.isEmpty(edit.getText())) { - //若文本不为空 - if (((CheckBox) view.findViewById(R.id.cb_edit_item)).isChecked()) { - //该选项框已打钩 - sb.append(TAG_CHECKED).append(" ").append(edit.getText()).append("\n"); - hasChecked = true; - //扩展字符串为已打钩并把标记置true - } else { - sb.append(TAG_UNCHECKED).append(" ").append(edit.getText()).append("\n"); - //扩展字符串添加未打钩 - } - } - } - mWorkingNote.setWorkingText(sb.toString()); - //利用编辑好的字符串设置运行便签的内容 - } else { - mWorkingNote.setWorkingText(mNoteEditor.getText().toString()); - // 若不是该模式直接用编辑器中的内容设置运行中标签的内容 - } - return hasChecked; - } - - /* - * 函数功能：保存便签 - * 函数实现：如下注释 - */ - private boolean saveNote() { - getWorkingText(); - boolean saved = mWorkingNote.saveNote(); - //运行 getWorkingText()之后保存 - 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 - */ - //如英文注释所说链接RESULT_OK是为了识别保存的2种情况，一是创建后保存，二是修改后保存 - setResult(RESULT_OK); - } - return saved; - } - - /* - * 函数功能：将便签发送至桌面 - * 函数实现：如下注释 - */ - 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(); - //若不存在数据也就是新的标签就保存起来先 - } - - if (mWorkingNote.getNoteId() > 0) { - //若是有内容 - Intent sender = new Intent(); - Intent shortcutIntent = new Intent(this, NoteEditActivity.class); - //建立发送到桌面的连接器 - shortcutIntent.setAction(Intent.ACTION_VIEW); - //链接为一个视图 - 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); - //将便签的相关信息都添加到要发送的文件里 - sender.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); - //设置sneder的行为是发送 - showToast(R.string.info_note_enter_desktop); - sendBroadcast(sender); - //显示到桌面 - } 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); - //空便签直接报错 - } - } - - /* - * 函数功能：编辑小图标的标题 - * 函数实现：如下注释 - */ - 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; - //直接设置为content中的内容并返回，有勾选和未勾选2种 - } - - /* - * 函数功能：显示提示的视图 - * 函数实现：根据下标显示对应的提示 - */ - private void showToast(int resId) { - showToast(resId, Toast.LENGTH_SHORT); - } - - /* - * 函数功能：持续显示提示的视图 - * 函数实现：根据下标和持续的时间（duration）编辑提示视图并显示 - */ - private void showToast(int resId, int duration) { - Toast.makeText(this, resId, duration).show(); - } -} -———————————————— -版权声明：本文为CSDN博主「edgarrrr」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。 -原文链接：https://blog.csdn.net/edgarrr/article/details/127589226 \ No newline at end of file