From 82a8b5800f687da98a405f3ed6e9f06ca7338918 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=B7=A6=E5=A4=A9=E7=A5=A5?= <2310358112@qq.com> Date: Sat, 17 Jun 2023 13:59:31 +0800 Subject: [PATCH] t --- src/代码注释_左天祥/Contact.java | 75 ---- src/代码注释_左天祥/Note.java | 256 ------------ src/代码注释_左天祥/Notes.java | 281 ------------- .../NotesDatabaseHelper.java | 363 ----------------- src/代码注释_左天祥/NotesProvider.java | 320 --------------- src/代码注释_左天祥/WorkingNote.java | 377 ------------------ 6 files changed, 1672 deletions(-) delete mode 100644 src/代码注释_左天祥/Contact.java delete mode 100644 src/代码注释_左天祥/Note.java delete mode 100644 src/代码注释_左天祥/Notes.java delete mode 100644 src/代码注释_左天祥/NotesDatabaseHelper.java delete mode 100644 src/代码注释_左天祥/NotesProvider.java delete mode 100644 src/代码注释_左天祥/WorkingNote.java diff --git a/src/代码注释_左天祥/Contact.java b/src/代码注释_左天祥/Contact.java deleted file mode 100644 index 47d5eb8..0000000 --- a/src/代码注释_左天祥/Contact.java +++ /dev/null @@ -1,75 +0,0 @@ -/* - * 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.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 - private static HashMap sContactCache; - private static final String TAG = "Contact"; -//定义字符串 - 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 - public static String getContact(Context context, String phoneNumber) { - if(sContactCache == null) { - sContactCache = new HashMap(); - } -//检查HashMap中有无phoneNumber信息 - if(sContactCache.containsKey(phoneNumber)) { - return sContactCache.get(phoneNumber); - } - - String selection = CALLER_ID_SELECTION.replace("+", - PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); - //查找数据库里的phoneNumber - 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 - if (cursor != null && cursor.moveToFirst()) { - try {//寻找到相关信息 - 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(); - }//没有找到相关信息 - } else { - Log.d(TAG, "No contact matched with number:" + phoneNumber); - return null; - } - } -} diff --git a/src/代码注释_左天祥/Note.java b/src/代码注释_左天祥/Note.java deleted file mode 100644 index 97e7f40..0000000 --- a/src/代码注释_左天祥/Note.java +++ /dev/null @@ -1,256 +0,0 @@ -/* - * 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.content.ContentProviderOperation; //批量更新、插入、删除数据 -import android.content.ContentProviderResult;//操作结果 -import android.content.ContentUris;//添加和获取Uri后面的ID -import android.content.ContentValues;//一种存储基本数据类型数据的存储机制 -import android.content.Context;//使用该类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;//待操作的数据 -import android.os.RemoteException;//远程容错 -import android.util.Log;//输出日志 - -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; - - -public class Note { - private ContentValues mNoteDiffValues; - private NoteData mNoteData; - private static final String TAG = "Note"; - /** - * Create a new note id for adding a new note to databases - */ - public static synchronized long getNewNoteId(Context context, long folderId) { - // Create a new note in the database - ContentValues values = new ContentValues(); - long createdTime = System.currentTimeMillis(); - values.put(NoteColumns.CREATED_DATE, createdTime); - values.put(NoteColumns.MODIFIED_DATE, createdTime); - values.put(NoteColumns.TYPE, Notes.TYPE_NOTE); - values.put(NoteColumns.LOCAL_MODIFIED, 1); - values.put(NoteColumns.PARENT_ID, folderId);//把数据写入数据库表格 - Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);//ContentResolver()主要是实现外部应用对ContentProvider中的数据进行添加、删除、修改和查询操作 - - - long noteId = 0; - try { - noteId = Long.valueOf(uri.getPathSegments().get(1)); - } catch (NumberFormatException e) { - Log.e(TAG, "Get note id error :" + e.toString()); - noteId = 0; - }//try-catch异常处理 - if (noteId == -1) { - throw new IllegalStateException("Wrong note id:" + noteId); - } - return noteId; - } - - public Note() { - mNoteDiffValues = new ContentValues(); - mNoteData = new NoteData(); - }//定义两个变量用来存储便签的数据，一个是存储便签属性、一个是存储便签内容 - - public void setNoteValue(String key, String value) { - mNoteDiffValues.put(key, value); - mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); - mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); - }//设置数据库表格的便签属性数据 - - public void setTextData(String key, String value) { - mNoteData.setTextData(key, value); - }//设置数据库表格的便签文本内容的数据 - - public void setTextDataId(long id) { - mNoteData.setTextDataId(id); - }//设置文本数据的ID - - public long getTextDataId() { - return mNoteData.mTextDataId; - } //得到文本数据的ID - - public void setCallDataId(long id) { - mNoteData.setCallDataId(id); - } //设置电话号码数据的ID - - - public void setCallData(String key, String value) { - mNoteData.setCallData(key, value); - } //得到电话号码数据的ID - - public boolean isLocalModified() { - return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified(); - }//判断是否为本地修改 - - public boolean syncNote(Context context, long noteId) { - if (noteId <= 0) { - throw new IllegalArgumentException("Wrong note id:" + noteId); - } - - 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 - */ - 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; - }//判断数据是否同步 - - private class NoteData { //定义一个基本便签内容的数据类，包含文本数据和电话号码数据 - private long mTextDataId; - - private ContentValues mTextDataValues; //文本数据 - - private long mCallDataId; - - private ContentValues mCallDataValues; //电话号码数据 - - private static final String TAG = "NoteData"; - - public NoteData() { - mTextDataValues = new ContentValues(); - mCallDataValues = new ContentValues(); - mTextDataId = 0; - mCallDataId = 0; - } - //上述几个函数的具体实现 - boolean isLocalModified() { - return mTextDataValues.size() > 0 || mCallDataValues.size() > 0; - } - - void setTextDataId(long id) { - if(id <= 0) { - throw new IllegalArgumentException("Text data id should larger than 0"); - } - mTextDataId = id; - } - - void setCallDataId(long id) { - if (id <= 0) { - throw new IllegalArgumentException("Call data id should larger than 0"); - } - mCallDataId = id; - } - - void setCallData(String key, String value) { - mCallDataValues.put(key, value); - mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); - mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); - } - - void setTextData(String key, String value) { - mTextDataValues.put(key, value); - mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); - mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); - } - //将新的数据通过Uri的操作存储到数据库 - Uri pushIntoContentResolver(Context context, long noteId) { - /** - * Check for safety - */ - if (noteId <= 0) { - throw new IllegalArgumentException("Wrong note id:" + noteId); - }//判断数据是否合法 - - ArrayList operationList = new ArrayList(); - ContentProviderOperation.Builder builder = null; //数据库操作列表 - - if(mTextDataValues.size() > 0) { - mTextDataValues.put(DataColumns.NOTE_ID, noteId); - 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(); - }//文本数据存入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(); - }//电话号码数据存入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; - } - }//存储过程中的异常处理 - return null; - } - } -} diff --git a/src/代码注释_左天祥/Notes.java b/src/代码注释_左天祥/Notes.java deleted file mode 100644 index de7eb39..0000000 --- a/src/代码注释_左天祥/Notes.java +++ /dev/null @@ -1,281 +0,0 @@ -/* - * 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.net.Uri; -//在Notes类中定义常量 -public class Notes { - public static final String AUTHORITY = "micode_notes"; - public static final String TAG = "Notes"; - //在设置NoteColumns.TYPE的值时需要用到以下三个常量 - 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");//定义指针查询便签和文件夹 - - /** - * Uri to query data - */ - public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");//定义指针查询数据 -//定义NoteColumns的常量，用于创建数据库表头 - 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";//同步 - - /** - * 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"; - }//定义便签属性的常量 -//定义DataColumns的常量，用于创建数据库的表头 - 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"; - }//定义存储便签内容数据 - - 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"); - }//电话内容数据结构 -} diff --git a/src/代码注释_左天祥/NotesDatabaseHelper.java b/src/代码注释_左天祥/NotesDatabaseHelper.java deleted file mode 100644 index 16963d5..0000000 --- a/src/代码注释_左天祥/NotesDatabaseHelper.java +++ /dev/null @@ -1,363 +0,0 @@ -/* - * 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.content.ContentValues;//用于保存数据信息，以便数据库操作时使用 -import android.content.Context;//加载、访问资源 -import android.database.sqlite.SQLiteDatabase;//提供了添加insert()、删除delete()、更新update()、查询query()的操作方法，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note和文件进行数据库操作 - -public class NotesDatabaseHelper extends SQLiteOpenHelper { - private static final String DB_NAME = "note.db"; - - private static final int DB_VERSION = 4; - - public interface TABLE {//接口，分为note和data - public static final String NOTE = "note"; - - public static final String DATA = "data"; - } - - private static final String TAG = "NotesDatabaseHelper"; - - private static NotesDatabaseHelper mInstance; - - 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" + - ")";//数据库里需要存储的项目名称，类似表格表头 - - 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 ''" + - ")"; //与上同 - - private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = - "CREATE INDEX IF NOT EXISTS note_id_index ON " + - TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; //存储便签编号的数据表格 - - /** - * Increase folder's note count when move note to the folder - */ - private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = - "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"; //向文件夹移入一个Note后需要更改的数据表格 - - /** - * Decrease folder's note count when move note from folder - */ - private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = - "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"; //在文件夹里移出一个Note后需要更改的数据表格 - - /** - * Increase folder's note count when insert new note to the folder - */ - private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER = - "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"; //在文件夹里插入一个Note后需要更改的数据表格 - - /** - * Decrease folder's note count when delete note from the folder - */ - 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"; //在文件夹里删除一个Note后需要更改的数据表格 - - /** - * Update note's content when insert data with type {@link DataConstants#NOTE} - */ - 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"; //在文件夹里对一个Note导入新数据后需要更改的数据表格 - - /** - * Update note's content when data with {@link DataConstants#NOTE} type has changed - */ - 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"; //文件夹里Note数据修改后需要更改的数据表格 - - /** - * Update note's content when data with {@link DataConstants#NOTE} type has deleted - */ - 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"; //文件夹里删除Note数据后需要更改的数据表格 - - /** - * Delete datas belong to note which has been deleted - */ - 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"; //删除已删除便签的数据后需要更改的数据表格 - - /** - * Delete notes belong to folder which has been deleted - */ - 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"; //删除已删除文件夹的便签后需要更改的数据表格 - - /** - * Move notes belong to folder which has been moved to trash folder - */ - 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"; //还原垃圾桶里的便签后需要更改的数据表格 - - public NotesDatabaseHelper(Context context) { - super(context, DB_NAME, null, DB_VERSION); - } //构造函数，传入数据库名称和版本 - - public void createNoteTable(SQLiteDatabase db) { - db.execSQL(CREATE_NOTE_TABLE_SQL); - reCreateNoteTableTriggers(db); - createSystemFolder(db); - Log.d(TAG, "note table has been created"); - } //创建存储便签属性的表格 - - private void reCreateNoteTableTriggers(SQLiteDatabase db) { - db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update"); - db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update"); - db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS delete_data_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_insert"); - db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete"); - db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash"); - - db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); - db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); - db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER); - db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER); - db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER); - db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER); - db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER); - } //execSQL是数据库操作API，是更改行为的SQL语句，用来创建上述定义的表格，删除原有数据库的触发器后，再创建新的数据库 - - private void createSystemFolder(SQLiteDatabase db) { - ContentValues values = new ContentValues(); - - /** - * call record foler for call notes - */ - 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 - */ - 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 - */ - 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 - */ - values.clear(); - values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); - values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); - db.insert(TABLE.NOTE, null, values); - } //创建几个系统文件夹 - - public void createDataTable(SQLiteDatabase db) { - db.execSQL(CREATE_DATA_TABLE_SQL); - reCreateDataTableTriggers(db); - db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); - Log.d(TAG, "data table has been created"); - } //创建存储便签内容的表格 - - private void reCreateDataTableTriggers(SQLiteDatabase db) { - db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert"); - db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update"); - db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete"); - - db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER); - db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER); - db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); - } //与上同 - - static synchronized NotesDatabaseHelper getInstance(Context context) { - if (mInstance == null) { - mInstance = new NotesDatabaseHelper(context); - } - return mInstance; - } //解决同一时刻只能有一个线程执行 - //有时一个类需要被所有其它类使用，但又只能被实例化一次，是个服务类，定义一次，其它类使用同一个这个类的实例 - - @Override - public void onCreate(SQLiteDatabase db) { - createNoteTable(db); - createDataTable(db); - } //实现上面创建的两个表格 - - @Override - public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { - boolean reCreateTriggers = false; - boolean skipV2 = false; - - if (oldVersion == 1) { - upgradeToV2(db); - skipV2 = true; // this upgrade including the upgrade from v2 to v3 - oldVersion++; - } - - if (oldVersion == 2 && !skipV2) { - upgradeToV3(db); - reCreateTriggers = true; - oldVersion++; - } - - if (oldVersion == 3) { - upgradeToV4(db); - oldVersion++; - } - - if (reCreateTriggers) { - reCreateNoteTableTriggers(db); - reCreateDataTableTriggers(db); - } - - if (oldVersion != newVersion) { - throw new IllegalStateException("Upgrade notes database to version " + newVersion - + "fails"); - } - } //数据库内容的更改或版本的更新 - - 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); - } //更新至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); - } //更新至V3版本 - - private void upgradeToV4(SQLiteDatabase db) { - db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION - + " INTEGER NOT NULL DEFAULT 0"); - } //更新至V4版本 -} diff --git a/src/代码注释_左天祥/NotesProvider.java b/src/代码注释_左天祥/NotesProvider.java deleted file mode 100644 index ea2c384..0000000 --- a/src/代码注释_左天祥/NotesProvider.java +++ /dev/null @@ -1,320 +0,0 @@ -/* - * 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，可以在不同应用程序之间共享数据 -//ContentProvider提供了query查询,insert插入,update更新,delete删除,getType得到数据类型方法 - -public class NotesProvider extends ContentProvider { - //UriMatcher匹配Uri - private static final UriMatcher mMatcher; - - private NotesDatabaseHelper mHelper; - - private static final String TAG = "NotesProvider"; - - 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; - - 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); - //注册所有需要匹配Uri路径 - 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 - 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 - 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在onCreate（）中被初始化 - //对mHelper进行实例化 - public boolean onCreate() { - mHelper = NotesDatabaseHelper.getInstance(getContext()); - return true; - } - - @Override - //查找uri在数据库中的对应位置 - public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, - String sortOrder) { - Cursor c = null; - //获取可读数据库 - SQLiteDatabase db = mHelper.getReadableDatabase(); - String id = null; - //匹配查找uri - switch (mMatcher.match(uri)) { //对不同匹配值，在数据库中查找相应条目 - case URI_NOTE: - c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, - sortOrder); - break; - case URI_NOTE_ITEM: - id = uri.getPathSegments().get(1); - c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id - + parseSelection(selection), selectionArgs, null, null, sortOrder); - break; - case URI_DATA: - c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, - sortOrder); - break; - case URI_DATA_ITEM: - id = uri.getPathSegments().get(1); - c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id - + parseSelection(selection), selectionArgs, null, null, sortOrder); - break; - case URI_SEARCH: - case URI_SEARCH_SUGGEST: - 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"); - } - - 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)是第二个元素 - searchString = uri.getPathSegments().get(1); - } - } else { - searchString = uri.getQueryParameter("pattern"); - } - - if (TextUtils.isEmpty(searchString)) { - return null; - } - - try { - searchString = String.format("%%%s%%", searchString); - c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, - new String[] { searchString }); - } catch (IllegalStateException ex) { - Log.e(TAG, "got exception: " + ex.toString()); - } - break; - default: //抛出异常 - throw new IllegalArgumentException("Unknown URI " + uri); - } - if (c != null) { - c.setNotificationUri(getContext().getContentResolver(), uri); - } - return c; - } - - @Override - //插入一个uri - public Uri insert(Uri uri, ContentValues values) { //获得可写数据库 - SQLiteDatabase db = mHelper.getWritableDatabase(); - long dataId = 0, noteId = 0, insertedId = 0; - switch (mMatcher.match(uri)) { //新增一个条目 - case URI_NOTE: - insertedId = noteId = db.insert(TABLE.NOTE, null, values); - break; - //如果存在，查询NOTE_ID - case URI_DATA: - if (values.containsKey(DataColumns.NOTE_ID)) { - noteId = values.getAsLong(DataColumns.NOTE_ID); - } else { - Log.d(TAG, "Wrong data format without note id:" + values.toString()); - } - insertedId = dataId = db.insert(TABLE.DATA, null, values); - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - // Notify the note uri - if (noteId > 0) { - getContext().getContentResolver().notifyChange( - ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); - } - - // Notify the data uri - //notifyChange获得一个ContextResolver对象并更新其中的内容 - if (dataId > 0) { - getContext().getContentResolver().notifyChange( - ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); - } - //返回插入的uri路径 - 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 - int count = 0; - String id = null; - //获得可写数据库 - SQLiteDatabase db = mHelper.getWritableDatabase(); - boolean deleteData = false; - switch (mMatcher.match(uri)) { - case URI_NOTE: - selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 "; - count = db.delete(TABLE.NOTE, selection, selectionArgs); - break; - case URI_NOTE_ITEM: - id = uri.getPathSegments().get(1); - /** - * ID that smaller than 0 is system folder which is not allowed to - * trash - */ - long noteId = Long.valueOf(id); - if (noteId <= 0) { - break; - } - count = db.delete(TABLE.NOTE, - NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); - break; - case URI_DATA: - count = db.delete(TABLE.DATA, selection, selectionArgs); - deleteData = true; - break; - case URI_DATA_ITEM: - id = uri.getPathSegments().get(1); - count = db.delete(TABLE.DATA, - DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); - deleteData = true; - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - if (count > 0) { - if (deleteData) { - getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); - } - getContext().getContentResolver().notifyChange(uri, null); - } - 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; - switch (mMatcher.match(uri)) { - case URI_NOTE: - increaseNoteVersion(-1, selection, selectionArgs); - count = db.update(TABLE.NOTE, values, selection, selectionArgs); - break; - case URI_NOTE_ITEM: - id = uri.getPathSegments().get(1); - increaseNoteVersion(Long.valueOf(id), selection, selectionArgs); - count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id - + parseSelection(selection), selectionArgs); - break; - case URI_DATA: - count = db.update(TABLE.DATA, values, selection, selectionArgs); - updateData = true; - break; - case URI_DATA_ITEM: - id = uri.getPathSegments().get(1); - count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id - + parseSelection(selection), selectionArgs); - updateData = true; - break; - default: - throw new IllegalArgumentException("Unknown URI " + uri); - } - - if (count > 0) { - if (updateData) { - getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); - } - getContext().getContentResolver().notifyChange(uri, null); - } - return count; - } - //将字符串解析为规定格式 - private String parseSelection(String selection) { - return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); - } - //增加一个noteVersion - private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { - StringBuilder sql = new StringBuilder(120); - sql.append("UPDATE "); - sql.append(TABLE.NOTE); - sql.append(" SET "); - sql.append(NoteColumns.VERSION); - sql.append("=" + NoteColumns.VERSION + "+1 "); - - if (id > 0 || !TextUtils.isEmpty(selection)) { - sql.append(" WHERE "); - } - if (id > 0) { - sql.append(NoteColumns.ID + "=" + String.valueOf(id)); - } - if (!TextUtils.isEmpty(selection)) { - String selectString = id > 0 ? parseSelection(selection) : selection; - for (String args : selectionArgs) { - selectString = selectString.replaceFirst("\\?", args); - } - sql.append(selectString); - } - //execSQL()方法可以执行insert、delete、update以及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; - } - -} diff --git a/src/代码注释_左天祥/WorkingNote.java b/src/代码注释_左天祥/WorkingNote.java deleted file mode 100644 index a8c9020..0000000 --- a/src/代码注释_左天祥/WorkingNote.java +++ /dev/null @@ -1,377 +0,0 @@ -/* - * 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; - // 声明 DATA_PROJECTION字符串数组 - public static final String[] DATA_PROJECTION = new String[] { - DataColumns.ID, - DataColumns.CONTENT, - DataColumns.MIME_TYPE, - DataColumns.DATA1, - DataColumns.DATA2, - DataColumns.DATA3, - DataColumns.DATA4, - }; - // 声明 NOTE_PROJECTION字符串数组 - 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; - } - // WorkingNote的构造函数 - // Existing note construct - private WorkingNote(Context context, long noteId, long folderId) { - mContext = context; - mNoteId = noteId; - mFolderId = folderId; - mIsDeleted = false; - mNote = new Note(); - loadNote(); - } - // 加载Note - // 通过数据库调用query函数找到第一个条目 - private void loadNote() { - Cursor cursor = mContext.getContentResolver().query( - ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, - null, null); -// 如果存在，储存相应信息 - 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(); - // 如果不存在，报错 - } else { - Log.e(TAG, "No note with id:" + mNoteId); - throw new IllegalArgumentException("Unable to find note with id " + mNoteId); - } - loadNoteData(); - } - // 加载NoteData - 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) {// 信息不为空 - if (cursor.moveToFirst()) {// 查看第一项是否存在 - 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()); //遍历所有项,直到为空 - } - cursor.close(); - } else { - Log.e(TAG, "No data with id:" + mNoteId); - throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId); - } - } - // 创建空的Note - // 参数：context，文件夹id，widget，背景颜色 - public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, - int widgetType, int defaultBgColorId) { - WorkingNote note = new WorkingNote(context, folderId); - // 设定相关属性 - 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); - } - // 保存Note - public synchronized boolean saveNote() { - if (isWorthSaving()) { //是否值得保存 - if (!existInDatabase()) { // 是否存在于数据库中 - 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; - } - } - // 是否在数据库中存在 - public boolean existInDatabase() { - return mNoteId > 0; - } - // 是否值得保存 - private boolean isWorthSaving() { // 被删除，或 不在数据库中 内容为空 ，或 本地已保存过 - if (mIsDeleted || (!existInDatabase() && TextUtils.isEmpty(mContent)) - || (existInDatabase() && !mNote.isLocalModified())) { - return false; - } else { - return true; - } - } - // 设置mNoteSettingStatusListener - public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) { - mNoteSettingStatusListener = l; - } - // 设置AlertDate - // 若 mAlertDate与date不同，则更改mAlertDate并设定NoteValue - 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); - } - } - // 设定删除标记 - public void markDeleted(boolean mark) { - // 设定标记 - mIsDeleted = mark; - if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID - && mWidgetType != Notes.TYPE_WIDGET_INVALIDE && mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onWidgetChanged(); // 调用mNoteSettingStatusListener的 onWidgetChanged方法 - } - } - // 设定背景颜色 - public void setBgColorId(int id) { - if (id != mBgColorId) { //条件为 id != mBgColorId - mBgColorId = id; - if (mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onBackgroundColorChanged(); - } - mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id)); - } - } -// 设定检查列表模式 - public void setCheckListMode(int mode) { - if (mMode != mode) { //条件为 mMode != mode - if (mNoteSettingStatusListener != null) { - mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode); - } - mMode = mode; - mNote.setTextData(TextNote.MODE, String.valueOf(mMode)); - } - } - // 设定WidgetType - public void setWidgetType(int type) { - if (type != mWidgetType) { //条件为 type != mWidgetType - mWidgetType = type; - mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));// 调用Note的setNoteValue方法更改WidgetType - } - } - // 设定WidgetId - public void setWidgetId(int id) { - if (id != mWidgetId) { - mWidgetId = id; - mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId)); // 调用Note的setNoteValue方法更改WidgetId - } - } - // 设定WorkingText - public void setWorkingText(String text) { - if (!TextUtils.equals(mContent, text)) { //条件为 mContent, text内容不同 - mContent = text; - mNote.setTextData(DataColumns.CONTENT, mContent); // 调用Note的setTextData方法更改WorkingText - } - } - // 转变mNote的CallData及CallNote信息 - 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)); - } - // 判断是否有时钟题型 - public boolean hasClockAlert() { - return (mAlertDate > 0 ? true : false); - } - // 获取Content - public String getContent() { - return mContent; - } - // 获取AlertDate - public long getAlertDate() { - return mAlertDate; - } - // 获取ModifiedDate - public long getModifiedDate() { - return mModifiedDate; - } - // 获取背景颜色来源id - public int getBgColorResId() { - return NoteBgResources.getNoteBgResource(mBgColorId); - } - // 获取背景颜色id - public int getBgColorId() { - return mBgColorId; - } - // 获取标题背景颜色id - public int getTitleBgResId() { - return NoteBgResources.getNoteTitleBgResource(mBgColorId); - } - // 获取CheckListMode - public int getCheckListMode() { - return mMode; - } - - // 获取便签id - public long getNoteId() { - return mNoteId; - } - // 获取文件夹id - public long getFolderId() { - return mFolderId; - } - - // 获取WidgetId - public int getWidgetId() { - return mWidgetId; - } - // 获取WidgetType - public int getWidgetType() { - return mWidgetType; - } - // 创建接口 NoteSettingChangedListener,便签更新监视 - // 为NoteEditActivity提供接口 - 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); - } -}