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"; + } + + 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"; + } + + 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; + +// 定义一个常量,表示模式为DATA1 + public static final int MODE_CHECK_LIST = 1; + +// 定义一个常量,表示模式为1 + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; + +// 定义一个常量,表示内容类型为text_note + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; + +// 定义一个常量,表示内容项类型为text_note + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); +// 定义一个常量,表示内容URI为content:// + AUTHORITY + "/text_note" + } + + 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
+ */ +// 定义一个常量,表示电话号码 + public static final String PHONE_NUMBER = DATA3; + +// 定义一个常量,表示内容类型 + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; + +// 定义一个常量,表示内容项类型 + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; + +// 定义一个常量,表示内容URI + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note"); + } +} diff --git a/src/xiaomiNotes/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java b/src/xiaomiNotes/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java new file mode 100644 index 0000000..89d19a7 --- /dev/null +++ b/src/xiaomiNotes/app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java @@ -0,0 +1,441 @@ +/* + * 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; +import android.content.Context; +import android.database.sqlite.SQLiteDatabase; +import android.database.sqlite.SQLiteOpenHelper; +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; + + +public class NotesDatabaseHelper extends SQLiteOpenHelper { + // 数据库名称 + private static final String DB_NAME = "note.db"; + + // 数据库版本号 + private static final int DB_VERSION = 4; + + // 定义数据库中的表名 + public interface TABLE { + // 表名:note + public static final String NOTE = "note"; + + // 表名:data + public static final String DATA = "data"; + } + + private static final String TAG = "NotesDatabaseHelper"; + +// 单例模式,用于获取NotesDatabaseHelper的实例 + private static NotesDatabaseHelper mInstance; + +// 创建Note表的SQL语句 + private static final String CREATE_NOTE_TABLE_SQL = + "CREATE TABLE " + TABLE.NOTE + "(" + + NoteColumns.ID + " INTEGER PRIMARY KEY," + // ID列,主键 + NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 父ID列,默认值为0 + NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + // 提醒日期列,默认值为0 + NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + // 背景颜色ID列,默认值为0 + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 创建日期列,默认值为当前时间戳 + NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + // 是否有附件列,默认值为0 + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 修改日期列,默认值为当前时间戳 + NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + // 笔记数量列,默认值为0 + NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + // 摘要列,默认值为空字符串 + NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + // 类型列,默认值为0 + NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + // 小部件ID列,默认值为0 + NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + // 小部件类型列,默认值为-1 + NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + // 同步ID列,默认值为0 + NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + // 本地修改列,默认值为0 + NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 原始父ID列,默认值为0 + NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + // Google任务ID列,默认值为空字符串 + NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + // 版本列,默认值为0 + ")"; + +// 定义创建数据表的SQL语句 + private static final String CREATE_DATA_TABLE_SQL = + "CREATE TABLE " + TABLE.DATA + "(" + + // 定义ID列,类型为INTEGER,为主键 + DataColumns.ID + " INTEGER PRIMARY KEY," + + // 定义MIME_TYPE列,类型为TEXT,不能为空 + DataColumns.MIME_TYPE + " TEXT NOT NULL," + + // 定义NOTE_ID列,类型为INTEGER,不能为空,默认值为0 + DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + + // 定义CREATED_DATE列,类型为INTEGER,不能为空,默认值为当前时间 + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + // 定义MODIFIED_DATE列,类型为INTEGER,不能为空,默认值为当前时间 + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + // 定义CONTENT列,类型为TEXT,不能为空,默认值为空字符串 + DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + + // 定义DATA1列,类型为INTEGER + DataColumns.DATA1 + " INTEGER," + + // 定义DATA2列,类型为INTEGER + DataColumns.DATA2 + " INTEGER," + + // 定义DATA3列,类型为TEXT,不能为空,默认值为空字符串 + DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + + // 定义DATA4列,类型为TEXT,不能为空,默认值为空字符串 + DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + + // 定义DATA5列,类型为TEXT,不能为空,默认值为空字符串 + DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + + ")"; + +// 定义一个常量,用于创建索引的SQL语句 + private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = + "CREATE INDEX IF NOT EXISTS note_id_index ON " + + TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; + + /** + * Increase folder's note count when move note to the folder + */ +// 定义一个静态常量,用于创建一个触发器,在更新Note表的PARENT_ID字段后,增加对应文件夹的NOTES_COUNT字段 + 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"; + + /** + * Decrease folder's note count when move note from folder + */ +// 创建一个名为decrease_folder_count_on_update的触发器,在更新Note表的parent_id字段后执行 + 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"; + + /** + * Increase folder's note count when insert new note to the folder + */ +// 创建一个触发器,在插入笔记后,增加父文件夹的笔记数量 + 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"; + + /** + * Decrease folder's note count when delete note from the folder + */ +// 定义一个静态常量,用于创建一个触发器,在删除笔记后减少父文件夹中的笔记数量 + private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER = + "CREATE TRIGGER decrease_folder_count_on_delete " + // 创建触发器 + " AFTER DELETE ON " + TABLE.NOTE + // 在删除笔记后触发 + " BEGIN " + // 开始 + " UPDATE " + TABLE.NOTE + // 更新笔记表 + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + // 将父文件夹中的笔记数量减1 + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + // 条件:父文件夹的ID等于被删除笔记的父文件夹ID + " AND " + NoteColumns.NOTES_COUNT + ">0;" + // 条件:父文件夹中的笔记数量大于0 + " END"; + + /** + * Update note's content when insert data with type {@link DataConstants#NOTE} + */ +// 定义一个常量,用于存储在插入数据时更新备注内容的触发器 + private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER = + "CREATE TRIGGER update_note_content_on_insert " + + " AFTER INSERT ON " + TABLE.DATA + // 在DATA表上创建一个名为update_note_content_on_insert的触发器 + " WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + // 当新插入的MIME_TYPE为NOTE时 + " BEGIN" + + " UPDATE " + TABLE.NOTE + // 更新NOTE表 + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + // 将新插入的CONTENT赋值给NOTE表的SNIPPET + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + // 在NOTE表中,当ID等于新插入的NOTE_ID时 + " END"; + + /** + * Update note's content when data with {@link DataConstants#NOTE} type has changed + */ +// 定义一个常量,用于创建一个触发器,在更新数据表中的数据时,更新笔记表中的内容 + private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER update_note_content_on_update " + // 创建触发器 + " AFTER UPDATE ON " + TABLE.DATA + // 在更新数据表时触发 + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + // 当旧数据的MIME类型为NOTE时触发 + " BEGIN" + // 开始 + " UPDATE " + TABLE.NOTE + // 更新笔记表 + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + // 将新数据的CONTENT赋值给笔记表的SNIPPET + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + // 根据新数据的NOTE_ID更新笔记表 + " END"; + + /** + * Update note's content when data with {@link DataConstants#NOTE} type has deleted + */ +// 定义一个常量,用于创建一个触发器,在删除数据表中的数据时,更新笔记表中的内容 + private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER = + "CREATE TRIGGER update_note_content_on_delete " + // 创建触发器 + " AFTER delete ON " + TABLE.DATA + // 在删除数据表中的数据时 + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + // 当删除的数据的MIME类型为NOTE时 + " BEGIN" + // 开始 + " UPDATE " + TABLE.NOTE + // 更新笔记表 + " SET " + NoteColumns.SNIPPET + "=''" + // 将笔记表中的内容设置为空 + " WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" + // 在笔记表中,ID等于删除的数据的NOTE_ID + " END"; + + /** + * Delete datas belong to note which has been deleted + */ +// 定义一个静态常量,用于创建一个触发器,在删除笔记时删除相关数据 + private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER = + "CREATE TRIGGER delete_data_on_delete " + // 创建触发器 + " AFTER DELETE ON " + TABLE.NOTE + // 在删除笔记时触发 + " BEGIN" + // 开始 + " DELETE FROM " + TABLE.DATA + // 删除数据 + " WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + // 条件:笔记ID等于旧笔记ID + " END"; // 结束 + + /** + * Delete notes belong to folder which has been deleted + */ +// 定义一个静态常量,用于删除文件夹时删除笔记的触发器 + private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER = + "CREATE TRIGGER folder_delete_notes_on_delete " + // 创建一个名为folder_delete_notes_on_delete的触发器 + " AFTER DELETE ON " + TABLE.NOTE + // 在删除笔记后触发 + " BEGIN" + // 开始 + " DELETE FROM " + TABLE.NOTE + // 从笔记表中删除 + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + // 笔记的父ID等于被删除笔记的ID + " END"; // 结束 + + /** + * Move notes belong to folder which has been moved to trash folder + */ +// 创建一个名为folder_move_notes_on_trash的触发器,在更新NOTE表后触发 + private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER = + "CREATE TRIGGER folder_move_notes_on_trash " + + " AFTER UPDATE ON " + TABLE.NOTE + // 在NOTE表上更新后触发 + " WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + // 当新记录的父ID等于垃圾桶文件夹ID时 + " BEGIN" + + " UPDATE " + TABLE.NOTE + // 更新NOTE表 + " SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + // 将父ID设置为垃圾桶文件夹ID + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + // 在旧记录的父ID等于旧记录的ID时 + " END"; + + public NotesDatabaseHelper(Context context) { + // 调用父类的构造方法,传入上下文、数据库名称、游标工厂、数据库版本号 + super(context, DB_NAME, null, DB_VERSION); + } + + public void createNoteTable(SQLiteDatabase db) { + // 执行SQL语句,创建note表 + db.execSQL(CREATE_NOTE_TABLE_SQL); + // 重新创建note表的触发器 + reCreateNoteTableTriggers(db); + // 创建系统文件夹 + createSystemFolder(db); + // 打印日志,表示note表已经创建 + Log.d(TAG, "note table has been created"); + } + +// 重新创建Note表触发器 + private void reCreateNoteTableTriggers(SQLiteDatabase db) { + // 删除increase_folder_count_on_update触发器 + db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update"); + // 删除decrease_folder_count_on_update触发器 + db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update"); + // 删除decrease_folder_count_on_delete触发器 + // 删除delete_data_on_delete触发器 +// 删除所有触发器 + 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"); + +// 创建触发器 + 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); + } + + 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); + } + + public void createDataTable(SQLiteDatabase db) { + // 执行创建数据表的SQL语句 + db.execSQL(CREATE_DATA_TABLE_SQL); + // 重新创建数据表触发器 + reCreateDataTableTriggers(db); + // 执行创建数据表索引的SQL语句 + db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); + // 打印日志,表示数据表已经创建 + Log.d(TAG, "data table has been created"); + } + +// 重新创建数据表触发器 + private void reCreateDataTableTriggers(SQLiteDatabase db) { + // 删除update_note_content_on_insert触发器 + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert"); + // 删除update_note_content_on_update触发器 + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update"); + // 删除update_note_content_on_delete触发器 + db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete"); + + // 创建update_note_content_on_insert触发器 + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER); + // 创建update_note_content_on_update触发器 + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER); + // 创建update_note_content_on_delete触发器 + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); + } + +// 静态同步方法,用于获取NotesDatabaseHelper的实例 + static synchronized NotesDatabaseHelper getInstance(Context context) { + // 如果mInstance为空,则创建一个新的NotesDatabaseHelper实例 + if (mInstance == null) { + mInstance = new NotesDatabaseHelper(context); + } + // 返回mInstance实例 + return mInstance; + } + + @Override + // 重写onCreate方法,当数据库创建时调用 + public void onCreate(SQLiteDatabase db) { + // 创建Note表 + createNoteTable(db); + // 创建Data表 + createDataTable(db); + } + + @Override + public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { + // 定义两个布尔变量,用于判断是否需要重新创建触发器和是否跳过v2版本 + boolean reCreateTriggers = false; + boolean skipV2 = false; + + // 如果旧版本是1,则升级到v2版本,并跳过v2版本 + if (oldVersion == 1) { + upgradeToV2(db); + skipV2 = true; // this upgrade including the upgrade from v2 to v3 + oldVersion++; + } + +// 如果旧版本为2且不跳过V2版本,则升级到V3版本,并重新创建触发器,同时旧版本加1 + if (oldVersion == 2 && !skipV2) { + // 升级到V3版本 + upgradeToV3(db); + // 重新创建触发器 + reCreateTriggers = true; + // 版本号加1 + oldVersion++; + } + +// 如果旧版本号为3 + if (oldVersion == 3) { + // 升级到版本4 + upgradeToV4(db); + // 版本号加1 + oldVersion++; + } + +// 如果需要重新创建触发器,则执行以下代码 + if (reCreateTriggers) { + // 重新创建NoteTable触发器 + reCreateNoteTableTriggers(db); + // 重新创建DataTable触发器 + reCreateDataTableTriggers(db); + } + +// 如果旧版本不等于新版本,则抛出异常 + if (oldVersion != newVersion) { + throw new IllegalStateException("Upgrade notes database to version " + newVersion + + "fails"); + } + } + +// 升级到V2版本 + private void upgradeToV2(SQLiteDatabase db) { + // 删除旧版本的NOTE表 + db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); + // 删除旧版本的DATA表 + db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); + // 创建新版本的NOTE表 + createNoteTable(db); + // 创建新版本的DATA表 + createDataTable(db); + } + + // 升级数据库到V3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); + } + + private void upgradeToV4(SQLiteDatabase db) { + // 执行SQL语句,将Note表中的VERSION列添加为INTEGER类型,默认值为0 + db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION + + " INTEGER NOT NULL DEFAULT 0"); + } +} diff --git a/src/xiaomiNotes/app/src/main/java/net/micode/notes/data/NotesProvider.java b/src/xiaomiNotes/app/src/main/java/net/micode/notes/data/NotesProvider.java new file mode 100644 index 0000000..452b3fb --- /dev/null +++ b/src/xiaomiNotes/app/src/main/java/net/micode/notes/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; + + +public class NotesProvider extends ContentProvider { + // 定义UriMatcher对象 + private static final UriMatcher mMatcher; + + // 定义NotesDatabaseHelper对象 + private NotesDatabaseHelper mHelper; + + // 定义TAG常量 + private static final String TAG = "NotesProvider"; + + // 定义URI常量 + 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; + + // 静态代码块,初始化UriMatcher对象 + static { + mMatcher = new UriMatcher(UriMatcher.NO_MATCH); + // 添加URI匹配规则 + mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); +// 添加URI匹配规则 + mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); // 添加匹配规则,匹配以"note/"开头的URI,后面跟一个数字,匹配结果为URI_NOTE_ITEM + mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); // 添加匹配规则,匹配以"data/"开头的URI,匹配结果为URI_DATA + mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM); // 添加匹配规则,匹配以"data/"开头的URI,后面跟一个数字,匹配结果为URI_DATA_ITEM + mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH); // 添加匹配规则,匹配以"search/"开头的URI,匹配结果为URI_SEARCH + mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST); // 添加匹配规则,匹配以SearchManager.SUGGEST_URI_PATH_QUERY开头的URI,匹配结果为URI_SEARCH_SUGGEST + mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST); // 添加匹配规则,匹配以SearchManager.SUGGEST_URI_PATH_QUERY开头的URI,后面跟任意字符,匹配结果为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. + */ +// 定义搜索结果的投影,包括ID、文本1、文本2、图标1、意图动作和数据类型 + private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + "," + + NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," // 将NoteColumns.ID作为SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + "," // 将NoteColumns.SNIPPET中的换行符替换为空,并作为SearchManager.SUGGEST_COLUMN_TEXT_1 + + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + "," // 将NoteColumns.SNIPPET中的换行符替换为空,并作为SearchManager.SUGGEST_COLUMN_TEXT_2 + + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + "," // 将R.drawable.search_result作为SearchManager.SUGGEST_COLUMN_ICON_1 + + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," // 将Intent.ACTION_VIEW作为SearchManager.SUGGEST_COLUMN_INTENT_ACTION + + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; // 将Notes.TextNote.CONTENT_TYPE作为SearchManager.SUGGEST_COLUMN_INTENT_DATA + +// 定义一个静态字符串变量,用于存储查询语句 + private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION + // 查询Note表中的数据 + + " FROM " + TABLE.NOTE + // 查询条件:NoteColumns.SNIPPET字段中包含指定字符串 + + " WHERE " + NoteColumns.SNIPPET + " LIKE ?" + // 查询条件:NoteColumns.PARENT_ID字段不等于Notes.ID_TRASH_FOLER + + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + // 查询条件:NoteColumns.TYPE字段等于Notes.TYPE_NOTE + + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; + + @Override + public boolean onCreate() { + // 获取NotesDatabaseHelper的实例 + mHelper = NotesDatabaseHelper.getInstance(getContext()); + // 返回true,表示数据库创建成功 + return true; + } + + @Override + public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, + String sortOrder) { + // 根据传入的uri,查询数据库中的数据 + Cursor c = null; + // 获取可读的数据库 + SQLiteDatabase db = mHelper.getReadableDatabase(); + // 获取uri中的id + String id = null; + // 根据uri匹配查询类型 + switch (mMatcher.match(uri)) { + case URI_NOTE: + // 查询note表中的数据 + c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, + sortOrder); + break; + // 查询URI_NOTE_ITEM类型的URI + case URI_NOTE_ITEM: + // 获取URI的路径段,获取第二个路径段作为id + id = uri.getPathSegments().get(1); + // 查询NOTE表,根据id和selection条件查询,返回结果集 + c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id + + parseSelection(selection), selectionArgs, null, null, sortOrder); + break; + // 查询URI_DATA类型的URI + case URI_DATA: + // 查询DATA表,根据selection条件查询,返回结果集 + c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, + sortOrder); + break; + // 查询URI_DATA_ITEM类型的URI + case URI_DATA_ITEM: + // 获取URI的路径段,获取第二个路径段作为id + id = uri.getPathSegments().get(1); + // 查询DATA表,根据id和selection条件查询,返回结果集 + c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id + + parseSelection(selection), selectionArgs, null, null, sortOrder); + break; +// 如果URI是URI_SEARCH或URI_SEARCH_SUGGEST + case URI_SEARCH: + case URI_SEARCH_SUGGEST: + // 如果sortOrder或projection不为空 + if (sortOrder != null || projection != null) { + // 抛出异常,不允许指定sortOrder、selection、selectionArgs或projection + throw new IllegalArgumentException( + "do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); + } + + // 定义一个字符串变量,用于存储搜索字符串 + String searchString = null; + // 如果匹配到的URI是URI_SEARCH_SUGGEST + if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { + // 如果URI的路径段大于1 + if (uri.getPathSegments().size() > 1) { + // 将路径段的第二个元素赋值给searchString + searchString = uri.getPathSegments().get(1); + } + } else { + // 否则,将URI的查询参数中名为"pattern"的值赋值给searchString + searchString = uri.getQueryParameter("pattern"); + } + +// 判断搜索字符串是否为空 + if (TextUtils.isEmpty(searchString)) { + // 如果为空,则返回null + return null; + } + +// 尝试执行以下代码块 + try { + // 将搜索字符串格式化为包含通配符的字符串 + searchString = String.format("%%%s%%", searchString); + // 执行数据库查询,返回结果集 + c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, + new String[] { searchString }); + } catch (IllegalStateException ex) { + // 如果发生异常,则打印错误日志 + Log.e(TAG, "got exception: " + ex.toString()); + } +// 结束switch语句 + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + } + // 如果c不为空,则设置通知URI + if (c != null) { + c.setNotificationUri(getContext().getContentResolver(), uri); + } + // 返回c + return c; + } + + @Override + public Uri insert(Uri uri, ContentValues values) { + // 获取可写的数据库 + SQLiteDatabase db = mHelper.getWritableDatabase(); + // 定义变量,用于存储插入的数据ID + long dataId = 0, noteId = 0, insertedId = 0; + // 根据传入的URI匹配对应的操作 + switch (mMatcher.match(uri)) { + case URI_NOTE: + // 插入数据,并返回插入的数据ID + insertedId = noteId = db.insert(TABLE.NOTE, null, values); + break; + case URI_DATA: + // 如果values中包含DataColumns.NOTE_ID,则获取其值并赋给noteId + if (values.containsKey(DataColumns.NOTE_ID)) { + noteId = values.getAsLong(DataColumns.NOTE_ID); + } else { + // 否则,输出错误日志 + Log.d(TAG, "Wrong data format without note id:" + values.toString()); + } + // 将values插入到TABLE.DATA表中,并获取插入的id + insertedId = dataId = db.insert(TABLE.DATA, null, values); + break; + default: + // 如果uri不匹配,则抛出异常 + throw new IllegalArgumentException("Unknown URI " + uri); + } + // Notify the note uri + // 如果noteId大于0,则通知ContentResolver,有数据发生变化 + if (noteId > 0) { + getContext().getContentResolver().notifyChange( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); + } + + // Notify the data uri + // 如果dataId大于0,则通知ContentResolver数据已更改 + if (dataId > 0) { + getContext().getContentResolver().notifyChange( + ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); + } + + // 返回插入的ID + return ContentUris.withAppendedId(uri, insertedId); + } + + @Override + public int delete(Uri uri, String selection, String[] selectionArgs) { + // 删除数据 + int count = 0; + // 获取要删除的数据的id + String id = null; + // 获取可写的数据库 + SQLiteDatabase db = mHelper.getWritableDatabase(); + // 标记是否删除数据 + boolean deleteData = false; + switch (mMatcher.match(uri)) { + case URI_NOTE: + // 添加查询条件,删除ID大于0的记录 + selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 "; + count = db.delete(TABLE.NOTE, selection, selectionArgs); + break; + case URI_NOTE_ITEM: + // 获取URI中的ID + id = uri.getPathSegments().get(1); + /** + * ID that smaller than 0 is system folder which is not allowed to + * trash + */ +// 将id转换为long类型 + long noteId = Long.valueOf(id); +// 如果noteId小于等于0,则跳出循环 + if (noteId <= 0) { + break; + } +// 删除指定ID的NOTE表中的数据 + count = db.delete(TABLE.NOTE, + NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + break; +// 删除指定URI的DATA表中的数据 + case URI_DATA: + count = db.delete(TABLE.DATA, selection, selectionArgs); + deleteData = true; + break; + case URI_DATA_ITEM: + // 获取URI路径中的ID + id = uri.getPathSegments().get(1); + // 删除指定ID的数据 + count = db.delete(TABLE.DATA, + DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + // 标记删除数据 + deleteData = true; + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + } + // 如果删除数据,则通知ContentResolver数据已更改 + if (count > 0) { + if (deleteData) { + getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); + } + // 通知ContentResolver数据已更改 + getContext().getContentResolver().notifyChange(uri, null); + } + return count; + } + + @Override + // 重写update方法,用于更新数据库中的数据 + public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { + // 定义一个计数器,用于记录更新的数据条数 + int count = 0; + // 定义一个字符串,用于存储要更新的数据的id + String id = null; + // 获取可写的数据库 + SQLiteDatabase db = mHelper.getWritableDatabase(); + // 定义一个布尔值,用于判断是否更新了数据 + boolean updateData = false; +// 根据uri匹配的结果,执行相应的操作 + switch (mMatcher.match(uri)) { + // 如果uri匹配的是URI_NOTE,则执行以下操作 + case URI_NOTE: + // 将note的版本号减1 + increaseNoteVersion(-1, selection, selectionArgs); + // 更新数据库中的note表,将values中的数据更新到满足selection和selectionArgs的记录中 + count = db.update(TABLE.NOTE, values, selection, selectionArgs); + break; +// 根据URI_NOTE_ITEM的值,获取路径中的第二个参数作为id + case URI_NOTE_ITEM: + id = uri.getPathSegments().get(1); +// 根据id,selection和selectionArgs,增加Note的版本号 + increaseNoteVersion(Long.valueOf(id), selection, selectionArgs); +// 根据id,values,selection和selectionArgs,更新Note表中的数据,并返回更新的行数 + count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id + + parseSelection(selection), selectionArgs); + break; + case URI_DATA: + // 更新数据表中的数据 + count = db.update(TABLE.DATA, values, selection, selectionArgs); + // 标记更新数据 + updateData = true; + break; + case URI_DATA_ITEM: + // 获取要更新的数据的id + id = uri.getPathSegments().get(1); + // 更新数据表中的数据 + count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id + + parseSelection(selection), selectionArgs); + // 标记更新数据 + updateData = true; + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); + } + + // 如果count大于0,则通知ContentResolver更新数据 + if (count > 0) { + // 如果updateData为true,则通知ContentResolver更新Notes.CONTENT_NOTE_URI + if (updateData) { + getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); + } + // 通知ContentResolver更新uri + getContext().getContentResolver().notifyChange(uri, null); + } + // 返回count + return count; + } + + // 解析selection字符串 + private String parseSelection(String selection) { + // 如果selection不为空,则返回" AND (" + selection + ')',否则返回空字符串 + return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); + } + + private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { + // 创建一个StringBuilder对象,用于拼接SQL语句 + StringBuilder sql = new StringBuilder(120); + // 拼接UPDATE语句 + sql.append("UPDATE "); + // 拼接表名 + sql.append(TABLE.NOTE); + // 拼接SET语句 + sql.append(" SET "); + // 拼接版本号字段 + sql.append(NoteColumns.VERSION); + // 拼接版本号增加1的语句 + sql.append("=" + NoteColumns.VERSION + "+1 "); + +// 如果id大于0或者selection不为空,则添加WHERE关键字 + if (id > 0 || !TextUtils.isEmpty(selection)) { + sql.append(" WHERE "); + } +// 如果id大于0,则添加id等于id的语句 + if (id > 0) { +// 拼接SQL语句,将id添加到NoteColumns.ID中 + sql.append(NoteColumns.ID + "=" + String.valueOf(id)); + } +// 如果selection不为空,则解析selection并添加到sql语句中 + if (!TextUtils.isEmpty(selection)) { +// 根据id的值,选择不同的selection字符串 + String selectString = id > 0 ? parseSelection(selection) : selection; +// 遍历selectionArgs数组,将每个元素替换selectString中的第一个问号 + for (String args : selectionArgs) { + selectString = selectString.replaceFirst("\\?", args); + } +// 将替换后的selectString添加到sql中 + sql.append(selectString); + } + + mHelper.getWritableDatabase().execSQL(sql.toString()); + } + + // 根据Uri返回MIME类型 + @Override + public String getType(Uri uri) { + // TODO Auto-generated method stub + return null; + } + +} diff --git a/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/MetaData.java b/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/MetaData.java new file mode 100644 index 0000000..3a2050b --- /dev/null +++ b/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/MetaData.java @@ -0,0 +1,82 @@ +/* + * 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.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 { + private final static String TAG = MetaData.class.getSimpleName(); + + private String mRelatedGid = null; + + public void setMeta(String gid, JSONObject metaInfo) { + try { + metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); + } catch (JSONException e) { + Log.e(TAG, "failed to put related gid"); + } + setNotes(metaInfo.toString()); + setName(GTaskStringUtils.META_NOTE_NAME); + } + + public String getRelatedGid() { + return mRelatedGid; + } + + @Override + public boolean isWorthSaving() { + return getNotes() != null; + } + + @Override + public void setContentByRemoteJSON(JSONObject js) { + super.setContentByRemoteJSON(js); + if (getNotes() != null) { + try { + 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"); + mRelatedGid = null; + } + } + } + + @Override + public void setContentByLocalJSON(JSONObject js) { + // this function should not be called + throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); + } + + @Override + public JSONObject getLocalJSONFromContent() { + throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); + } + + @Override + public int getSyncAction(Cursor c) { + throw new IllegalAccessError("MetaData:getSyncAction should not be called"); + } + +} diff --git a/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/Node.java b/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/Node.java new file mode 100644 index 0000000..63950e0 --- /dev/null +++ b/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/Node.java @@ -0,0 +1,101 @@ +/* + * 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.data; + +import android.database.Cursor; + +import org.json.JSONObject; + +public abstract class Node { + public static final int SYNC_ACTION_NONE = 0; + + public static final int SYNC_ACTION_ADD_REMOTE = 1; + + public static final int SYNC_ACTION_ADD_LOCAL = 2; + + public static final int SYNC_ACTION_DEL_REMOTE = 3; + + public static final int SYNC_ACTION_DEL_LOCAL = 4; + + public static final int SYNC_ACTION_UPDATE_REMOTE = 5; + + public static final int SYNC_ACTION_UPDATE_LOCAL = 6; + + public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; + + public static final int SYNC_ACTION_ERROR = 8; + + private String mGid; + + private String mName; + + private long mLastModified; + + private boolean mDeleted; + + public Node() { + mGid = null; + mName = ""; + mLastModified = 0; + mDeleted = false; + } + + public abstract JSONObject getCreateAction(int actionId); + + public abstract JSONObject getUpdateAction(int actionId); + + public abstract void setContentByRemoteJSON(JSONObject js); + + public abstract void setContentByLocalJSON(JSONObject js); + + public abstract JSONObject getLocalJSONFromContent(); + + public abstract int getSyncAction(Cursor c); + + public void setGid(String gid) { + this.mGid = gid; + } + + public void setName(String name) { + this.mName = name; + } + + public void setLastModified(long lastModified) { + this.mLastModified = lastModified; + } + + public void setDeleted(boolean deleted) { + this.mDeleted = deleted; + } + + public String getGid() { + return this.mGid; + } + + public String getName() { + return this.mName; + } + + public long getLastModified() { + return this.mLastModified; + } + + public boolean getDeleted() { + return this.mDeleted; + } + +} diff --git a/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/SqlData.java b/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/SqlData.java new file mode 100644 index 0000000..d3ec3be --- /dev/null +++ b/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/SqlData.java @@ -0,0 +1,189 @@ +/* + * 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.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 { + private static final String TAG = SqlData.class.getSimpleName(); + + private static final int INVALID_ID = -99999; + + public static final String[] PROJECTION_DATA = new String[] { + DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, + DataColumns.DATA3 + }; + + 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; + + private boolean mIsCreate; + + private long mDataId; + + private String mDataMimeType; + + private String mDataContent; + + private long mDataContentData1; + + private String mDataContentData3; + + private ContentValues mDiffDataValues; + + public SqlData(Context context) { + mContentResolver = context.getContentResolver(); + mIsCreate = true; + mDataId = INVALID_ID; + mDataMimeType = DataConstants.NOTE; + mDataContent = ""; + mDataContentData1 = 0; + mDataContentData3 = ""; + mDiffDataValues = new ContentValues(); + } + + public SqlData(Context context, Cursor c) { + mContentResolver = context.getContentResolver(); + mIsCreate = false; + loadFromCursor(c); + mDiffDataValues = new ContentValues(); + } + + private void loadFromCursor(Cursor c) { + mDataId = c.getLong(DATA_ID_COLUMN); + mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); + mDataContent = c.getString(DATA_CONTENT_COLUMN); + mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN); + mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); + } + + public void setContent(JSONObject js) throws JSONException { + long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; + 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; + } + + public JSONObject getContent() throws JSONException { + if (mIsCreate) { + Log.e(TAG, "it seems that we haven't created this in database yet"); + return null; + } + 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; + } + + public void commit(long noteId, boolean validateVersion, long version) { + + if (mIsCreate) { + if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) { + mDiffDataValues.remove(DataColumns.ID); + } + + mDiffDataValues.put(DataColumns.NOTE_ID, noteId); + Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues); + try { + 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 { + if (mDiffDataValues.size() > 0) { + int result = 0; + 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) + }); + } + if (result == 0) { + Log.w(TAG, "there is no update. maybe user updates note when syncing"); + } + } + } + + mDiffDataValues.clear(); + mIsCreate = false; + } + + public long getId() { + return mDataId; + } +} diff --git a/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/SqlNote.java b/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/SqlNote.java new file mode 100644 index 0000000..79a4095 --- /dev/null +++ b/src/xiaomiNotes/app/src/main/java/net/micode/notes/gtask/data/SqlNote.java @@ -0,0 +1,505 @@ +/* + * 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.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 { + private static final String TAG = SqlNote.class.getSimpleName(); + + private static final int INVALID_ID = -99999; + + 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 + }; + + public static final int ID_COLUMN = 0; + + public static final int ALERTED_DATE_COLUMN = 1; + + 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; + + 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; + + private ArrayList`))jlv3Kr#7T8rx>Okb$?!JU{~mfU(lm15P=nCu-=n