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@ -1,17 +1,15 @@
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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* 受Apache许可证2.0版（"许可证"）的约束；
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* 除非遵守许可证，否则不得使用此文件。
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* 您可以在以下网址获取许可证副本：
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* 除非适用法律要求或书面同意，否则根据许可证分发的软件按"原样"分发，
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* 不附带任何明示或暗示的保证或条件。
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* 请参阅许可证，了解管理权限和限制的具体语言。
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*/
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package net.micode.notes.data;
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@ -28,196 +26,217 @@ import net.micode.notes.data.Notes.NoteColumns;
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public class NotesDatabaseHelper extends SQLiteOpenHelper {
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// 数据库名称
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private static final String DB_NAME = "note.db";
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// 数据库版本号
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private static final int DB_VERSION = 4;
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// 表名接口定义
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public interface TABLE {
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public static final String NOTE = "note";
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public static final String DATA = "data";
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public static final String NOTE = "note"; // 笔记表
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public static final String DATA = "data"; // 数据附表
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}
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// 日志标签
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private static final String TAG = "NotesDatabaseHelper";
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// 单例实例
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private static NotesDatabaseHelper mInstance;
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// 创建笔记表的SQL语句
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private static final String CREATE_NOTE_TABLE_SQL =
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"CREATE TABLE " + TABLE.NOTE + "(" +
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NoteColumns.ID + " INTEGER PRIMARY KEY," +
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NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
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NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
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NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," +
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NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," +
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NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
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NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
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")";
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"CREATE TABLE " + TABLE.NOTE + "(" +
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NoteColumns.ID + " INTEGER PRIMARY KEY," + // 主键ID
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NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 父文件夹ID
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NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," +// 提醒日期
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NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + // 背景颜色ID
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// 创建时间（默认值为当前时间戳，单位毫秒）
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NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
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NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + // 是否有附件
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// 修改时间（默认值为当前时间戳，单位毫秒）
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NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
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NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + // 子笔记数量
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NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + // 内容摘要/文件夹名称
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NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + // 类型（笔记/文件夹/系统）
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NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + // 小部件ID
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NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," +// 小部件类型
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NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + // 同步ID
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NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + // 本地修改标记
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NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 原始父ID
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NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + // Google任务ID
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NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + // 版本号
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")";
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// 创建数据附表的SQL语句
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private static final String CREATE_DATA_TABLE_SQL =
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"CREATE TABLE " + TABLE.DATA + "(" +
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DataColumns.ID + " INTEGER PRIMARY KEY," +
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DataColumns.MIME_TYPE + " TEXT NOT NULL," +
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DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," +
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NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
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NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
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DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," +
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DataColumns.DATA1 + " INTEGER," +
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DataColumns.DATA2 + " INTEGER," +
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DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
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DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
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DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
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")";
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"CREATE TABLE " + TABLE.DATA + "(" +
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DataColumns.ID + " INTEGER PRIMARY KEY," + // 主键ID
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DataColumns.MIME_TYPE + " TEXT NOT NULL," + // MIME类型
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DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + // 所属笔记ID
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// 创建时间（默认值为当前时间戳，单位毫秒）
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NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
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// 修改时间（默认值为当前时间戳，单位毫秒）
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NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
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DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + // 内容
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DataColumns.DATA1 + " INTEGER," + // 通用数据1（整型）
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DataColumns.DATA2 + " INTEGER," + // 通用数据2（整型）
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DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + // 通用数据3（文本）
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DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + // 通用数据4（文本）
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DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + // 通用数据5（文本）
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")";
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// 创建数据附表NOTE_ID索引的SQL语句
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private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
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"CREATE INDEX IF NOT EXISTS note_id_index ON " +
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TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";
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"CREATE INDEX IF NOT EXISTS note_id_index ON " +
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TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; // 按所属笔记ID创建索引
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/**
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* Increase folder's note count when move note to the folder
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* 触发器：当笔记更新父文件夹时，增加目标文件夹的笔记数量
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*/
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private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
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"CREATE TRIGGER increase_folder_count_on_update "+
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" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
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" BEGIN " +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
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" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
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" END";
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"CREATE TRIGGER increase_folder_count_on_update "+
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" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
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" BEGIN " +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
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" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + // new表示更新后的行
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" END";
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/**
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* Decrease folder's note count when move note from folder
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* 触发器：当笔记更新父文件夹时，减少原文件夹的笔记数量
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*/
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private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
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"CREATE TRIGGER decrease_folder_count_on_update " +
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" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
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" BEGIN " +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
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" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
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" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
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" END";
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"CREATE TRIGGER decrease_folder_count_on_update " +
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" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
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" BEGIN " +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
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" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + // old表示更新前的行
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" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
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" END";
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/**
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* Increase folder's note count when insert new note to the folder
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* 触发器：当插入新笔记时，增加目标文件夹的笔记数量
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*/
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private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER =
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"CREATE TRIGGER increase_folder_count_on_insert " +
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" AFTER INSERT ON " + TABLE.NOTE +
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" BEGIN " +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
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" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
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" END";
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"CREATE TRIGGER increase_folder_count_on_insert " +
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" AFTER INSERT ON " + TABLE.NOTE +
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" BEGIN " +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
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" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
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" END";
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/**
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* Decrease folder's note count when delete note from the folder
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* 触发器：当删除笔记时，减少原文件夹的笔记数量
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*/
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private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER =
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"CREATE TRIGGER decrease_folder_count_on_delete " +
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" AFTER DELETE ON " + TABLE.NOTE +
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" BEGIN " +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
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" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
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" AND " + NoteColumns.NOTES_COUNT + ">0;" +
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" END";
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"CREATE TRIGGER decrease_folder_count_on_delete " +
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" AFTER DELETE ON " + TABLE.NOTE +
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" BEGIN " +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
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" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
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" AND " + NoteColumns.NOTES_COUNT + ">0;" +
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" END";
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/**
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* Update note's content when insert data with type {@link DataConstants#NOTE}
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* 触发器：当插入文本笔记数据时，更新笔记的内容摘要
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*/
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private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER =
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"CREATE TRIGGER update_note_content_on_insert " +
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" AFTER INSERT ON " + TABLE.DATA +
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" WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
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" BEGIN" +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
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" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
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" END";
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"CREATE TRIGGER update_note_content_on_insert " +
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" AFTER INSERT ON " + TABLE.DATA +
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" WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + // 仅处理文本笔记类型
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" BEGIN" +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + // 用新数据的内容更新笔记摘要
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" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
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" END";
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/**
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* Update note's content when data with {@link DataConstants#NOTE} type has changed
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* 触发器：当更新文本笔记数据时，更新笔记的内容摘要
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*/
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private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER =
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"CREATE TRIGGER update_note_content_on_update " +
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" AFTER UPDATE ON " + TABLE.DATA +
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" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
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" BEGIN" +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
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" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
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" END";
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"CREATE TRIGGER update_note_content_on_update " +
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" AFTER UPDATE ON " + TABLE.DATA +
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" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + // 仅处理文本笔记类型
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" BEGIN" +
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" UPDATE " + TABLE.NOTE +
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" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + // 用新数据的内容更新笔记摘要
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" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
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" END";
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|
|
|
/**
|
|
|
|
|
* Update note's content when data with {@link DataConstants#NOTE} type has deleted
|
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|
|
|
* 触发器：当删除文本笔记数据时，清空笔记的内容摘要
|
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|
|
|
*/
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|
|
private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER =
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|
|
"CREATE TRIGGER update_note_content_on_delete " +
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|
" AFTER delete ON " + TABLE.DATA +
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|
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
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|
|
" BEGIN" +
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|
|
" UPDATE " + TABLE.NOTE +
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|
|
" SET " + NoteColumns.SNIPPET + "=''" +
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|
|
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
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|
|
" END";
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|
|
"CREATE TRIGGER update_note_content_on_delete " +
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|
|
" AFTER DELETE ON " + TABLE.DATA +
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|
|
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + // 仅处理文本笔记类型
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|
" BEGIN" +
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|
" UPDATE " + TABLE.NOTE +
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|
" SET " + NoteColumns.SNIPPET + "=''" + // 清空摘要
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|
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
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|
" END";
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|
|
/**
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|
|
* Delete datas belong to note which has been deleted
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|
|
* 触发器：当删除笔记时，级联删除该笔记的所有附属数据
|
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|
|
|
*/
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|
|
private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER =
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|
|
"CREATE TRIGGER delete_data_on_delete " +
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|
" AFTER DELETE ON " + TABLE.NOTE +
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|
" BEGIN" +
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|
" DELETE FROM " + TABLE.DATA +
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|
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
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|
|
" END";
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|
|
"CREATE TRIGGER delete_data_on_delete " +
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|
|
" AFTER DELETE ON " + TABLE.NOTE +
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|
" BEGIN" +
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|
" DELETE FROM " + TABLE.DATA +
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|
|
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + // 删除关联数据
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|
|
" END";
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|
|
|
/**
|
|
|
|
|
* Delete notes belong to folder which has been deleted
|
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|
|
|
* 触发器：当删除文件夹时，级联删除该文件夹下的所有笔记
|
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|
|
|
*/
|
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|
|
private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER =
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|
|
"CREATE TRIGGER folder_delete_notes_on_delete " +
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|
|
" AFTER DELETE ON " + TABLE.NOTE +
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|
|
" BEGIN" +
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|
|
" DELETE FROM " + TABLE.NOTE +
|
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|
|
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
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|
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|
|
" END";
|
|
|
|
|
"CREATE TRIGGER folder_delete_notes_on_delete " +
|
|
|
|
|
" AFTER DELETE ON " + TABLE.NOTE +
|
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|
|
" BEGIN" +
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|
|
" DELETE FROM " + TABLE.NOTE +
|
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|
|
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + // 删除子笔记
|
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|
|
" END";
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Move notes belong to folder which has been moved to trash folder
|
|
|
|
|
* 触发器：当文件夹被移动到回收站时，递归移动其子笔记到回收站
|
|
|
|
|
*/
|
|
|
|
|
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";
|
|
|
|
|
|
|
|
|
|
"CREATE TRIGGER folder_move_notes_on_trash " +
|
|
|
|
|
" AFTER UPDATE ON " + TABLE.NOTE +
|
|
|
|
|
" WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + // 父ID变为回收站ID
|
|
|
|
|
" BEGIN" +
|
|
|
|
|
" UPDATE " + TABLE.NOTE +
|
|
|
|
|
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + // 子笔记的父ID同步为回收站ID
|
|
|
|
|
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + // 原父ID为当前文件夹ID
|
|
|
|
|
" END";
|
|
|
|
|
|
|
|
|
|
// 构造方法：初始化数据库帮助类
|
|
|
|
|
public NotesDatabaseHelper(Context context) {
|
|
|
|
|
super(context, DB_NAME, null, DB_VERSION);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 创建笔记表及相关数据
|
|
|
|
|
* @param db 数据库实例
|
|
|
|
|
*/
|
|
|
|
|
public void createNoteTable(SQLiteDatabase db) {
|
|
|
|
|
db.execSQL(CREATE_NOTE_TABLE_SQL);
|
|
|
|
|
reCreateNoteTableTriggers(db);
|
|
|
|
|
createSystemFolder(db);
|
|
|
|
|
db.execSQL(CREATE_NOTE_TABLE_SQL); // 创建笔记表
|
|
|
|
|
reCreateNoteTableTriggers(db); // 创建相关触发器
|
|
|
|
|
createSystemFolder(db); // 创建系统默认文件夹
|
|
|
|
|
Log.d(TAG, "note table has been created");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 重建笔记表相关触发器（先删除旧触发器再创建新触发器）
|
|
|
|
|
* @param db 数据库实例
|
|
|
|
|
*/
|
|
|
|
|
private void reCreateNoteTableTriggers(SQLiteDatabase db) {
|
|
|
|
|
// 删除旧触发器
|
|
|
|
|
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");
|
|
|
|
|
@ -226,6 +245,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
|
|
|
|
|
db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete");
|
|
|
|
|
db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash");
|
|
|
|
|
|
|
|
|
|
// 创建新触发器
|
|
|
|
|
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);
|
|
|
|
|
@ -235,58 +255,69 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
|
|
|
|
|
db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 创建系统默认文件夹（通话记录、根目录、临时文件夹、回收站）
|
|
|
|
|
* @param db 数据库实例
|
|
|
|
|
*/
|
|
|
|
|
private void createSystemFolder(SQLiteDatabase db) {
|
|
|
|
|
ContentValues values = new ContentValues();
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* call record foler for call notes
|
|
|
|
|
*/
|
|
|
|
|
// 创建通话记录文件夹
|
|
|
|
|
values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER);
|
|
|
|
|
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
|
|
|
|
|
db.insert(TABLE.NOTE, null, values);
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* root folder which is default folder
|
|
|
|
|
*/
|
|
|
|
|
// 创建根文件夹
|
|
|
|
|
values.clear();
|
|
|
|
|
values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER);
|
|
|
|
|
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
|
|
|
|
|
db.insert(TABLE.NOTE, null, values);
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* temporary folder which is used for moving note
|
|
|
|
|
*/
|
|
|
|
|
// 创建临时文件夹
|
|
|
|
|
values.clear();
|
|
|
|
|
values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER);
|
|
|
|
|
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
|
|
|
|
|
db.insert(TABLE.NOTE, null, values);
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* create trash folder
|
|
|
|
|
*/
|
|
|
|
|
// 创建回收站文件夹
|
|
|
|
|
values.clear();
|
|
|
|
|
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
|
|
|
|
|
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
|
|
|
|
|
db.insert(TABLE.NOTE, null, values);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 创建数据附表及相关索引和触发器
|
|
|
|
|
* @param db 数据库实例
|
|
|
|
|
*/
|
|
|
|
|
public void createDataTable(SQLiteDatabase db) {
|
|
|
|
|
db.execSQL(CREATE_DATA_TABLE_SQL);
|
|
|
|
|
reCreateDataTableTriggers(db);
|
|
|
|
|
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
|
|
|
|
|
db.execSQL(CREATE_DATA_TABLE_SQL); // 创建数据附表
|
|
|
|
|
reCreateDataTableTriggers(db); // 创建相关触发器
|
|
|
|
|
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); // 创建索引
|
|
|
|
|
Log.d(TAG, "data table has been created");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 重建数据附表相关触发器（先删除旧触发器再创建新触发器）
|
|
|
|
|
* @param db 数据库实例
|
|
|
|
|
*/
|
|
|
|
|
private void reCreateDataTableTriggers(SQLiteDatabase db) {
|
|
|
|
|
// 删除旧触发器
|
|
|
|
|
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");
|
|
|
|
|
|
|
|
|
|
// 创建新触发器
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 获取单例实例（线程安全）
|
|
|
|
|
* @param context 上下文
|
|
|
|
|
* @return NotesDatabaseHelper实例
|
|
|
|
|
*/
|
|
|
|
|
static synchronized NotesDatabaseHelper getInstance(Context context) {
|
|
|
|
|
if (mInstance == null) {
|
|
|
|
|
mInstance = new NotesDatabaseHelper(context);
|
|
|
|
|
@ -294,69 +325,11 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
|
|
|
|
|
return mInstance;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 数据库创建回调（首次创建时调用）
|
|
|
|
|
* @param db 数据库实例
|
|
|
|
|
*/
|
|
|
|
|
@Override
|
|
|
|
|
public void onCreate(SQLiteDatabase db) {
|
|
|
|
|
createNoteTable(db);
|
|
|
|
|
createDataTable(db);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@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");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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) {
|
|
|
|
|
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
|
|
|
|
|
+ " INTEGER NOT NULL DEFAULT 0");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
createNoteTable(db); // 创建笔记表及相关数据
|
|
|
|
|
createDataTable(db); // 创建数据附表及
|
