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poyt3a5hz wants to merge 0 commits from xiaomibianqian-maxaingru into Watchdog-111
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145
app/src/main/java/net/micode/notes/data/Contact.java
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@ -1,73 +1,78 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
/*//如果查询结果不为空且有数据
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)//如果查询结果不为空且有数据
*如果查询结果不为空且有数据//如果查询结果不为空且有数据
* Licensed under the Apache License, Version 2.0 (the "License");//如果查询结果不为空且有数据
* you may not use this file except in compliance with the License.//如果查询结果不为空且有数据
* You may obtain a copy of the License at//如果查询结果不为空且有数据//如果查询结果不为空且有数据
*
* 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//如果查询结果不为空且有数据
*
* 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 {
private static HashMap<String, String> sContactCache;
private static final String TAG = "Contact";
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 = '+')";
public static String getContact(Context context, String phoneNumber) {
if(sContactCache == null) {
sContactCache = new HashMap<String, String>();
}
if(sContactCache.containsKey(phoneNumber)) {
return sContactCache.get(phoneNumber);
}
String selection = CALLER_ID_SELECTION.replace("+",
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
Cursor cursor = context.getContentResolver().query(
Data.CONTENT_URI,
new String [] { Phone.DISPLAY_NAME },
selection,
new String[] { phoneNumber },
null);
* Unless required by applicable law or agreed to in writing, software//如果查询结果不为空且有数据
* distributed under the License is distributed on an "AS IS" BASIS,//如果查询结果不为空且有数据
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.//如果查询结果不为空且有数据
* See the License for the specific language governing permissions and//如果查询结果不为空且有数据
* limitations under the License.//如果查询结果不为空且有数据
*/// //如果查询结果不为空且有数据
// 如果查询结果不为空且有数据
package net.micode.notes.data; // 定义包名
//如果查询结果不为空且有数据
import android.content.Context; // 导入Context类
import android.database.Cursor; // 导入Cursor类
import android.provider.ContactsContract.CommonDataKinds.Phone; // 导入Phone类
import android.provider.ContactsContract.Data; // 导入Data类
import android.telephony.PhoneNumberUtils; // 导入PhoneNumberUtils类
import android.util.Log; // 导入Log类
// 如果查询结果不为空且有数据
import java.util.HashMap; // 导入HashMap类
// 如果查询结果不为空且有数据
public class Contact {//如果查询结果不为空且有数据
private static HashMap<String, String> sContactCache; // 定义一个静态HashMap用于缓存联系人信息
private static final String TAG = "Contact"; // 定义日志标签// 如果查询结果不为空且有数据
if (cursor != null && cursor.moveToFirst()) {
try {
String name = cursor.getString(0);
sContactCache.put(phoneNumber, name);
return name;
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, " Cursor get string error " + e.toString());
return null;
} finally {
cursor.close();
}
} else {
Log.d(TAG, "No contact matched with number:" + phoneNumber);
return null;
}
}
}
// 定义查询条件字符串，用于匹配电话号码// 如果查询结果不为空且有数据
private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER// 如果查询结果不为空且有数据
+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"// 如果查询结果不为空且有数据
+ " AND " + Data.RAW_CONTACT_ID + " IN "// 如果查询结果不为空且有数据
+ "(SELECT raw_contact_id "// 如果查询结果不为空且有数据
+ " FROM phone_lookup"// 如果查询结果不为空且有数据
+ " WHERE min_match = '+')";// 如果查询结果不为空且有数据
//如果查询结果不为空且有数据
// 获取联系人信息的方法// 如果查询结果不为空且有数据
public static String getContact(Context context, String phoneNumber) {// 如果查询结果不为空且有数据
if(sContactCache == null) { // 如果缓存为空，则初始化
sContactCache = new HashMap<String, String>();// 如果查询结果不为空且有数据
}// 如果查询结果不为空且有数据
// 如果查询结果不为空且有数据
if(sContactCache.containsKey(phoneNumber)) { // 如果缓存中已存在该电话号码，直接返回缓存的联系人姓名
return sContactCache.get(phoneNumber);// 如果查询结果不为空且有数据
}// 如果查询结果不为空且有数据
// 如果查询结果不为空且有数据
// 替换查询条// 如果查询结果不为空且有数据件中的占位符
String selection = CALLER_ID_SELECTION.replace("+",// 如果查询结果不为空且有数据
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));// 如果查询结果不为空且有数据
// 查询联系人信息
Cursor cursor = context.getContentResolver().query(// 如果查询结果不为空且有数据
Data.CONTENT_URI,// 如果查询结果不为空且有数据
new String [] { Phone.DISPLAY_NAME },// 如果查询结果不为空且有数据
selection,// 如果查询结果不为空且有数据
new String[] { phoneNumber },// 如果查询结果不为空且有数据
null);// 如果查询结果不为空且有数据
//如果查询结果不为空且有数据
if (cursor != null && cursor.moveToFirst()) { // 如果查询结果不为空且有数据
try {//如果查询结果不为空且有数据
String name = cursor.getString(0); // 获取联系人姓名
sContactCache.put(phoneNumber, name); // 将联系人信息缓存
return name; // 返回联系人姓名
} catch (IndexOutOfBoundsException e) { // 捕获异常
Log.e(TAG, " Cursor get string error " + e.toString()); // 打印错误日志
return null; // 返回空
} finally {// 返回空
cursor.close(); // 关闭游标
}// 返回空
} else {// 返回空
Log.d(TAG, "No contact matched with number:" + phoneNumber); // 打印未匹配到联系人日志
return null; // 返回空
}// 返回空
}// 返回空
}// 返回空
//如果查询结果不为空且有数据

314
app/src/main/java/net/micode/notes/data/Notes.java
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@ -1,40 +1,26 @@
/*
* 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; // 定义该类所在的包名
package net.micode.notes.data;
import android.net.Uri; // 导入Android的Uri类
import android.net.Uri;
// 定义一个公共类 Notes，用于管理笔记应用中的常量和数据结构
public class Notes {
// 定义权限名，用于内容提供者的访问
public static final String AUTHORITY = "micode_notes";
// 定义日志标签名，便于调试
public static final String TAG = "Notes";
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;
// 定义笔记类型：普通笔记、文件夹、系统类型
public static final int TYPE_NOTE = 0; // 普通笔记类型
public static final int TYPE_FOLDER = 1; // 文件夹类型
public static final int TYPE_SYSTEM = 2; // 系统类型
// 系统文件夹标识符
public static final int ID_ROOT_FOLDER = 0; // 根文件夹的ID
public static final int ID_TEMPARAY_FOLDER = -1; // 临时文件夹的ID
public static final int ID_CALL_RECORD_FOLDER = -2; // 通话记录文件夹的ID
public static final int ID_TRASH_FOLER = -3; // 垃圾箱文件夹的ID
// 定义各种Intent额外数据的key
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";
@ -42,238 +28,74 @@ public class Notes {
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;
// 定义Widget类型
public static final int TYPE_WIDGET_INVALIDE = -1; // 无效Widget类型
public static final int TYPE_WIDGET_2X = 0; // 2x的Widget类型
public static final int TYPE_WIDGET_4X = 1; // 4x的Widget类型
// 定义数据常量类
public static class DataConstants {
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
// 定义文本笔记类型和通话笔记类型
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; // 文本笔记类型
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; // 通话笔记类型
}
/**
* Uri to query all notes and folders
*/
// 定义访问所有笔记和文件夹的Uri
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
/**
* Uri to query data
*/
// 定义访问数据的Uri
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
// 定义笔记的列名接口
public interface NoteColumns {
/**
* The unique ID for a row
* <P> Type: INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* The parent's id for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String PARENT_ID = "parent_id";
/**
* Created data for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
* Latest modified date
* <P> Type: INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
* Alert date
* <P> Type: INTEGER (long) </P>
*/
public static final String ALERTED_DATE = "alert_date";
/**
* Folder's name or text content of note
* <P> Type: TEXT </P>
*/
public static final String SNIPPET = "snippet";
/**
* Note's widget id
* <P> Type: INTEGER (long) </P>
*/
public static final String WIDGET_ID = "widget_id";
/**
* Note's widget type
* <P> Type: INTEGER (long) </P>
*/
public static final String WIDGET_TYPE = "widget_type";
/**
* Note's background color's id
* <P> Type: INTEGER (long) </P>
*/
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
* <P> Type: INTEGER </P>
*/
public static final String HAS_ATTACHMENT = "has_attachment";
/**
* Folder's count of notes
* <P> Type: INTEGER (long) </P>
*/
public static final String NOTES_COUNT = "notes_count";
/**
* The file type: folder or note
* <P> Type: INTEGER </P>
*/
public static final String TYPE = "type";
/**
* The last sync id
* <P> Type: INTEGER (long) </P>
*/
public static final String SYNC_ID = "sync_id";
/**
* Sign to indicate local modified or not
* <P> Type: INTEGER </P>
*/
public static final String LOCAL_MODIFIED = "local_modified";
/**
* Original parent id before moving into temporary folder
* <P> Type : INTEGER </P>
*/
public static final String ORIGIN_PARENT_ID = "origin_parent_id";
/**
* The gtask id
* <P> Type : TEXT </P>
*/
public static final String GTASK_ID = "gtask_id";
/**
* The version code
* <P> Type : INTEGER (long) </P>
*/
public static final String VERSION = "version";
public static final String ID = "_id"; // 每行的唯一ID
public static final String PARENT_ID = "parent_id"; // 父ID（文件夹的ID或上级ID）
public static final String CREATED_DATE = "created_date"; // 创建日期
public static final String MODIFIED_DATE = "modified_date"; // 最后修改日期
public static final String ALERTED_DATE = "alert_date"; // 提醒日期
public static final String SNIPPET = "snippet"; // 文件夹名称或笔记文本内容
public static final String WIDGET_ID = "widget_id"; // Widget的ID
public static final String WIDGET_TYPE = "widget_type"; // Widget的类型
public static final String BG_COLOR_ID = "bg_color_id"; // 背景颜色ID
public static final String HAS_ATTACHMENT = "has_attachment"; // 是否有附件
public static final String NOTES_COUNT = "notes_count"; // 文件夹内笔记数量
public static final String TYPE = "type"; // 文件类型（笔记或文件夹）
public static final String SYNC_ID = "sync_id"; // 同步ID
public static final String LOCAL_MODIFIED = "local_modified"; // 是否本地修改
public static final String ORIGIN_PARENT_ID = "origin_parent_id"; // 移动前的父ID
public static final String GTASK_ID = "gtask_id"; // 任务ID
public static final String VERSION = "version"; // 版本号
}
// 定义数据列的接口
public interface DataColumns {
/**
* The unique ID for a row
* <P> Type: INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* The MIME type of the item represented by this row.
* <P> Type: Text </P>
*/
public static final String MIME_TYPE = "mime_type";
/**
* The reference id to note that this data belongs to
* <P> Type: INTEGER (long) </P>
*/
public static final String NOTE_ID = "note_id";
/**
* Created data for note or folder
* <P> Type: INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
* Latest modified date
* <P> Type: INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
* Data's content
* <P> Type: TEXT </P>
*/
public static final String CONTENT = "content";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* integer data type
* <P> Type: INTEGER </P>
*/
public static final String DATA1 = "data1";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* integer data type
* <P> Type: INTEGER </P>
*/
public static final String DATA2 = "data2";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA3 = "data3";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA4 = "data4";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
*/
public static final String DATA5 = "data5";
public static final String ID = "_id"; // 数据的唯一ID
public static final String MIME_TYPE = "mime_type"; // 数据的MIME类型
public static final String NOTE_ID = "note_id"; // 数据所属的笔记ID
public static final String CREATED_DATE = "created_date"; // 数据创建日期
public static final String MODIFIED_DATE = "modified_date"; // 数据最后修改日期
public static final String CONTENT = "content"; // 数据内容
public static final String DATA1 = "data1"; // 通用数据列1
public static final String DATA2 = "data2"; // 通用数据列2
public static final String DATA3 = "data3"; // 通用数据列3
public static final String DATA4 = "data4"; // 通用数据列4
public static final String DATA5 = "data5"; // 通用数据列5
}
// 定义文本笔记类
public static final class TextNote implements DataColumns {
/**
* Mode to indicate the text in check list mode or not
* <P> Type: Integer 1:check list mode 0: normal mode </P>
*/
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");
public static final String MODE = DATA1; // 模式字段：是否为检查列表模式
public static final int MODE_CHECK_LIST = 1; // 检查列表模式
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; // 内容类型：多个文本笔记
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; // 内容类型：单个文本笔记
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); // 文本笔记的访问Uri
}
// 定义通话笔记类
public static final class CallNote implements DataColumns {
/**
* Call date for this record
* <P> Type: INTEGER (long) </P>
*/
public static final String CALL_DATE = DATA1;
/**
* Phone number for this record
* <P> Type: TEXT </P>
*/
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");
public static final String CALL_DATE = DATA1; // 通话日期字段
public static final String PHONE_NUMBER = DATA3; // 电话号码字段
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; // 内容类型：多个通话笔记
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; // 内容类型：单个通话笔记
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note"); // 通话笔记的访问Uri
}
}

561
app/src/main/java/net/micode/notes/data/NotesDatabaseHelper.java
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@ -1,362 +1,287 @@
/*
* 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; // 包声明
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;
import android.content.ContentValues; // 导入ContentValues类
import android.content.Context; // 导入Context类
import android.database.sqlite.SQLiteDatabase; // 导入SQLiteDatabase类
import android.database.sqlite.SQLiteOpenHelper; // 导入SQLiteOpenHelper类
import android.util.Log; // 导入Log类
import net.micode.notes.data.Notes.DataColumns; // 导入DataColumns类
import net.micode.notes.data.Notes.DataConstants; // 导入DataConstants类
import net.micode.notes.data.Notes.NoteColumns; // 导入NoteColumns类
// Notes数据库帮助类
public class NotesDatabaseHelper extends SQLiteOpenHelper {
private static final String DB_NAME = "note.db";
private static final int DB_VERSION = 4;
private static final String DB_NAME = "note.db"; // 定义数据库名称
private static final int DB_VERSION = 4; // 定义数据库版本号
// 表名接口
public interface TABLE {
public static final String NOTE = "note";
public static final String DATA = "data";
public static final String NOTE = "note"; // 笔记表名
public static final String DATA = "data"; // 数据表名
}
private static final String TAG = "NotesDatabaseHelper";
private static final String TAG = "NotesDatabaseHelper"; // 用于日志输出的TAG
private static NotesDatabaseHelper mInstance;
private static NotesDatabaseHelper mInstance; // 定义数据库帮助类的实例
// 创建笔记表的SQL语句
private static final String CREATE_NOTE_TABLE_SQL =
"CREATE TABLE " + TABLE.NOTE + "(" +
NoteColumns.ID + " INTEGER PRIMARY KEY," +
NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," +
NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
")";
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 ''" +
")";
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
*/
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
*/
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
*/
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
*/
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";
/**
* 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";
/**
* 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";
/**
* 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";
/**
* 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";
/**
* 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";
/**
* 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";
"CREATE TABLE " + TABLE.NOTE + "(" + // 创建笔记表
NoteColumns.ID + " INTEGER PRIMARY KEY," + // 笔记ID，主键
NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 父级笔记ID，默认为0
NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + // 提醒日期，默认为0
NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + // 背景色ID，默认为0
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 创建日期，默认为当前时间戳
NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + // 是否有附件，默认为0
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 修改日期，默认为当前时间戳
NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + // 笔记数量，默认为0
NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + // 笔记摘要，默认为空字符串
NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + // 笔记类型，默认为0
NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + // 小部件ID，默认为0
NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + // 小部件类型，默认为-1
NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + // 同步ID，默认为0
NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + // 本地修改标志，默认为0
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 原父级ID，默认为0
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + // GTASK ID，默认为空字符串
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + // 笔记版本号，默认为0
")"; // 结束创建表的SQL语句
// 创建触发器SQL
// 创建数据表的SQL语句
private static final String CREATE_DATA_TABLE_SQL =// 创建触发器SQL
"CREATE TABLE " + TABLE.DATA + "(" + // 创建数据表
DataColumns.ID + " INTEGER PRIMARY KEY," + // 数据ID，主键
DataColumns.MIME_TYPE + " TEXT NOT NULL," + // MIME类型
DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + // 笔记ID，默认为0
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 创建日期，默认为当前时间戳
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 修改日期，默认为当前时间戳
DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + // 内容，默认为空字符串
DataColumns.DATA1 + " INTEGER," + // 数据字段1
DataColumns.DATA2 + " INTEGER," + // 数据字段2
DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + // 数据字段3，默认为空字符串
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + // 数据字段4，默认为空字符串
DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + // 数据字段5，默认为空字符串
")"; // 结束创建数据表的SQL语句// 创建触发器SQL
// 创建触发器SQL
// 创建数据表的NOTE_ID索引// 创建触发器SQL
private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =// 创建触发器SQL
"CREATE INDEX IF NOT EXISTS note_id_index ON " +// 创建触发器SQL
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; // 创建数据表的NOTE_ID索引
// 创建触发器SQL
// 创建触发器：更新笔记的父级ID时增加父文件夹的笔记数// 创建触发器SQL
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =// 创建触发器SQL
"CREATE TRIGGER increase_folder_count_on_update " +// 创建触发器SQL
" AFTER UPDATE OF " + eColumns.PARENT_ID + " ON " + TABLE.NOTE +// 创建触发器SQL
" BEGIN " +// 创建触发器SQL
" UPDATE " + TABLE.NOTE +// 创建触发器SQL// 创建触发器SQL// 创建触发器SQL
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +// 创建触发器SQL
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +// 创建触发器SQL// 创建触发器SQL
" END"; // 创建触发器SQL
// 创建触发器SQL
// 创建触发器：更新笔记的父级ID时减少父文件夹的笔记数
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =// 创建触发器SQL
"CREATE TRIGGER decrease_folder_count_on_update " +// 创建触发器SQL
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +// 创建触发器SQL
" BEGIN " +// 创建触发器SQL// 创建触发器SQL
" UPDATE " + TABLE.NOTE +// 创建触发器SQL
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +// 创建触发器SQL
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +// 创建触发器SQL
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +// 创建触发器SQL
" END"; // 创建触发器SQL
// 创建触发器：插入笔记时增加父文件夹的笔记数
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER =// 创建触发器SQL
"CREATE TRIGGER increase_folder_count_on_insert " +// 创建触发器SQL
" AFTER INSERT ON " + TABLE.NOTE +// 创建触发器SQL
" BEGIN " +// 创建触发器SQL
" UPDATE " + TABLE.NOTE +// 创建触发器SQL
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +// 创建触发器SQL
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +// 创建触发器SQL
" END"; // 创建触发器SQL
// 创建触发器：删除笔记时减少父文件夹的笔记数
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER =// 创建触发器SQL
"CREATE TRIGGER decrease_folder_count_on_delete " +// 创建触发器SQL
" AFTER DELETE ON " + TABLE.NOTE +// 创建触发器SQL
" BEGIN " +// 创建触发器SQL
" UPDATE " + TABLE.NOTE +// 创建触发器SQL
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +// 创建触发器SQL
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +// 创建触发器SQL
" AND " + NoteColumns.NOTES_COUNT + ">0;" +// 创建触发器SQL
" END"; // 创建触发器SQL
// 创建触发器：插入数据时更新笔记的摘要
private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER =// 创建触发器SQL
"CREATE TRIGGER update_note_content_on_insert " +// 创建触发器SQL
" AFTER INSERT ON " + TABLE.DATA +// 创建触发器SQL
" WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +// 创建触发器SQL
" BEGIN" +// 创建触发器SQL
" UPDATE " + TABLE.NOTE +// 创建触发器SQL
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +// 创建触发器SQL
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +// 创建触发器SQL
" END"; // 创建触发器SQL
// 创建触发器：更新数据时更新笔记的摘要
private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER =// 创建触发器SQL
"CREATE TRIGGER update_note_content_on_update " +// 创建触发器SQL// 创建触发器SQL
" AFTER UPDATE ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +// 创建触发器SQL
" BEGIN" +// 创建触发器SQL
" UPDATE " + TABLE.NOTE +// 创建触发器SQL
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +// 创建触发器SQL
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +// 创建触发器SQL
" END"; // 创建触发器SQL
// 创建触发器：删除数据时更新笔记的摘要
private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER =// 创建触发器SQL
"CREATE TRIGGER update_note_content_on_delete " +// 创建触发器SQL
" AFTER delete ON " + TABLE.DATA +// 创建触发器SQL
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +// 创建触发器SQL
" BEGIN" +
" UPDATE " + TABLE.NOTE +// 创建触发器SQL
" SET " + NoteColumns.SNIPPET + "=''" +// 创建触发器SQL
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +// 创建触发器SQL
" END"; // 创建触发器SQL
// 创建触发器：删除笔记时删除相关的数据
private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER =// 创建触发器SQL
"CREATE TRIGGER delete_data_on_delete " +// 创建触发器SQL
" AFTER DELETE ON " + TABLE.NOTE +// 创建触发器SQL
" BEGIN" +// 创建触发器SQL
" DELETE FROM " + TABLE.DATA +// 创建触发器SQL
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +// 创建触发器SQL
" END"; // 创建触发器SQL
// 创建触发器：删除文件夹时删除该文件夹中的所有笔记
private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER =// 创建触发器SQL
"CREATE TRIGGER folder_delete_notes_on_delete " +// 创建触发器SQL
" AFTER DELETE ON " + TABLE.NOTE +// 创建触发器SQL
" BEGIN" +// 创建触发器SQL
" DELETE FROM " + TABLE.NOTE +// 创建触发器SQL
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +// 创建触发器SQL
" END"; // 创建触发器SQL
// 创建触发器：移动文件夹到回收站时移动所有笔记到回收站
private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER =// 创建触发器SQL
"CREATE TRIGGER folder_move_notes_on_trash " +// 创建触发器SQL
" AFTER UPDATE ON " + TABLE.NOTE +// 创建触发器SQL
" WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +// 创建触发器SQL
" BEGIN" +// 创建触发器SQL
" UPDATE " + TABLE.NOTE +// 创建触发器SQL
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +// 创建触发器SQL
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +// 创建触发器SQL
" END"; // 创建触发器SQL
// 构造函数，初始化数据库帮助类
public NotesDatabaseHelper(Context context) {
super(context, DB_NAME, null, DB_VERSION);
super(context, DB_NAME, null, DB_VERSION); // 调用父类的构造函数，指定数据库名称和版本
}
// 创建笔记表
public void createNoteTable(SQLiteDatabase db) {
db.execSQL(CREATE_NOTE_TABLE_SQL);
reCreateNoteTableTriggers(db);
createSystemFolder(db);
Log.d(TAG, "note table has been created");
}
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);
}
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);
db.execSQL(CREATE_NOTE_TABLE_SQL); // 执行创建笔记表的SQL语句
reCreateNoteTableTriggers(db); // 创建触发器
}
// 创建数据表
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");
}
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);
}
static synchronized NotesDatabaseHelper getInstance(Context context) {
if (mInstance == null) {
mInstance = new NotesDatabaseHelper(context);
}
return mInstance;
db.execSQL(CREATE_DATA_TABLE_SQL); // 执行创建数据表的SQL语句
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); // 创建数据表的索引
Log.d(TAG, "data table has been created"); // 打印日志
}
// 执行数据库创建操作
@Override
public void onCreate(SQLiteDatabase db) {
createNoteTable(db);
createDataTable(db);
createNoteTable(db); // 创建笔记表
createDataTable(db); // 创建数据表
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
Log.d(TAG, "onUpgrade: " + oldVersion + " --> " + newVersion); // 打印日志
// 根据版本号升级数据库
if (oldVersion == 1) {
db.execSQL(CREATE_DATA_TABLE_SQL); // 创建数据表
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); // 创建索引
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); // 创建触发器
db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); // 创建触发器
}
if (oldVersion <= 3) {
createNoteTable(db); // 创建笔记表
reCreateNoteTableTriggers(db); // 创建触发器
}
}
// 执行数据库升级操作
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
boolean reCreateTriggers = false;
boolean skipV2 = false;
boolean reCreateTriggers = false; // 是否需要重新创建触发器的标志
boolean skipV2 = false; // 是否跳过V2升级的标志
// 如果当前数据库版本是1，进行从V1升级到V2的操作
if (oldVersion == 1) {
upgradeToV2(db);
skipV2 = true; // this upgrade including the upgrade from v2 to v3
oldVersion++;
upgradeToV2(db); // 执行V1到V2的升级
skipV2 = true; // 跳过V2到V3的升级
oldVersion++; // 更新数据库版本为2
}
// 如果当前数据库版本是2且没有跳过V2升级
if (oldVersion == 2 && !skipV2) {
upgradeToV3(db);
reCreateTriggers = true;
oldVersion++;
upgradeToV3(db); // 执行V2到V3的升级
reCreateTriggers = true; // 标记需要重新创建触发器
oldVersion++; // 更新数据库版本为3
}
// 如果当前数据库版本是3，执行V3到V4的升级
if (oldVersion == 3) {
upgradeToV4(db);
oldVersion++;
}
upgradeToV4(db); // 执行V3到V4的升级
oldVersion++; // 更新数据库版本为4
}// 添加VERSION列，默认为0
// 如果需要重新创建触发器，执行重新创建触发器的操作
if (reCreateTriggers) {
reCreateNoteTableTriggers(db);
reCreateDataTableTriggers(db);
reCreateNoteTableTriggers(db); // 重新创建笔记表的触发器
reCreateDataTableTriggers(db); // 重新创建数据表的触发器
}
// 如果升级后的版本不等于目标版本，抛出异常
if (oldVersion != newVersion) {
throw new IllegalStateException("Upgrade notes database to version " + newVersion
+ "fails");
}
}
throw new IllegalStateException("Upgrade notes database to version " + newVersion// 添加VERSION列，默认为0
+ " fails"); // 升级失败抛出异常
}// 添加VERSION列，默认为0
}// 添加VERSION列，默认为0
// 添加VERSION列，默认为0
// 从V1升级到V2
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);
}
db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); // 删除笔记表（如果存在）
db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); // 删除数据表（如果存在）
createNoteTable(db); // 重新创建笔记表
createDataTable(db); // 重新创建数据表
}// 添加VERSION列，默认为0
// 添加VERSION列，默认为0
// 从V2升级到V3
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
// 删除不再使用的触发器
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert"); // 删除插入时更新时间触发器
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete"); // 删除删除时更新时间触发器
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update"); // 删除更新时更新时间触发器
// 在笔记表中添加一个新的列，用于存储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);
}
+ " TEXT NOT NULL DEFAULT ''"); // 添加GTASK_ID列，默认为空字符串
// 在笔记表中添加一个垃圾系统文件夹
ContentValues values = new ContentValues(); // 创建一个ContentValues对象
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); // 设置垃圾文件夹ID
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); // 设置文件夹类型为系统文件夹
db.insert(TABLE.NOTE, null, values); // 插入新的垃圾文件夹记录
}// 添加VERSION列，默认为0
// 添加VERSION列，默认为0
// 从V3升级到V4
private void upgradeToV4(SQLiteDatabase db) {
// 在笔记表中添加一个新的列，用于存储版本号
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+ " INTEGER NOT NULL DEFAULT 0");
}
}
+ " INTEGER NOT NULL DEFAULT 0"); // 添加VERSION列，默认为0
}// 添加VERSION列，默认为0
// 添加VERSION列，默认为0
// 添加VERSION列，默认为0
}// 添加VERSION列，默认为0
// 添加VERSION列，默认为0

490
app/src/main/java/net/micode/notes/data/NotesProvider.java
Unescape View File

@ -1,305 +1,229 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* See LICENSE file for full license details.
*/
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 {
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;
package net.micode.notes.data;//导入
import android.app.SearchManager;//导入
import android.content.ContentProvider;//导入
import android.content.ContentUris;//导入
import android.content.ContentValues;//导入
import android.content.Intent;//导入
import android.content.UriMatcher;//导入
import android.database.Cursor;//导入
import android.database.sqlite.SQLiteDatabase;//导入
import android.net.Uri;//导入
import android.text.TextUtils;//导入
import android.util.Log;//导入
//导入
import net.micode.notes.R;//导入
import net.micode.notes.data.Notes.DataColumns;//导入
import net.micode.notes.data.Notes.NoteColumns;//导入
import net.micode.notes.data.NotesDatabaseHelper.TABLE;//导入
public class NotesProvider extends ContentProvider {//导入
// 日志标签，用于日志输出
private static final String TAG = "NotesProvider";//导入
// Uri匹配器，负责匹配传入的Uri
private static final UriMatcher mMatcher;// 插入方法
// 数据库帮助类对象
private NotesDatabaseHelper mHelper;// 插入方法
// 常量定义：匹配不同Uri
private static final int URI_NOTE = 1; // 匹配整个笔记表// 常量定义：匹配不同Uri
private static final int URI_NOTE_ITEM = 2; // 匹配单个笔记项// 常量定义：匹配不同Uri
private static final int URI_DATA = 3; // 匹配数据表// 常量定义：匹配不同Uri
private static final int URI_DATA_ITEM = 4; // 匹配单个数据项// 常量定义：匹配不同Uri
private static final int URI_SEARCH = 5; // 匹配搜索功能// 常量定义：匹配不同Uri
private static final int URI_SEARCH_SUGGEST = 6; // 匹配搜索建议// 常量定义：匹配不同Uri
static {
mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
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);
mMatcher = new UriMatcher(UriMatcher.NO_MATCH);// 常量定义：匹配不同Uri
mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); // 匹配笔记表Uri
mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); // 匹配单个笔记
mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); // 匹配数据表Uri
mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM); // 匹配单个数据项
mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH); // 匹配搜索功能
mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST); // 匹配搜索建议
mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST); // 带参数的搜索建议
}
/**
* 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.
*/
// 查询笔记表的列，去除换行符并用于搜索建议结果显示
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;
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + ","// 常量定义：匹配不同Uri
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + ","// 常量定义：匹配不同Uri
+ R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","// 常量定义：匹配不同Uri
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","// 常量定义：匹配不同Uri
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;// 常量定义：匹配不同Uri
// SQL查询：模糊搜索笔记内容
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;
+ " FROM " + TABLE.NOTE // SQL查询：模糊搜索笔记内容
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?" // SQL查询：模糊搜索笔记内容
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER // SQL查询：模糊搜索笔记内容
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; // SQL查询：模糊搜索笔记内容
// 初始化ContentProvider时调用
@Override
public boolean onCreate() {
mHelper = NotesDatabaseHelper.getInstance(getContext());
return true;
}
public boolean onCreate() { // SQL查询：模糊搜索笔记内容
mHelper = NotesDatabaseHelper.getInstance(getContext()); // 获取数据库帮助类实例
return true; // SQL查询：模糊搜索笔记内容
} // SQL查询：模糊搜索笔记内容
/**
* 查询方法：根据Uri执行相应的查询操作
*/
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
Cursor c = null;
SQLiteDatabase db = mHelper.getReadableDatabase();
String id = null;
switch (mMatcher.match(uri)) {
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) {
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) {
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:
throw new IllegalArgumentException("Unknown URI " + uri);
}
if (c != null) {
c.setNotificationUri(getContext().getContentResolver(), uri);
}
return c;
}
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {// 插入方法
Cursor c = null;// 插入方法
SQLiteDatabase db = mHelper.getReadableDatabase(); // 获取可读数据库
String id = null;// 插入方法
@Override
public Uri insert(Uri uri, ContentValues values) {
SQLiteDatabase db = mHelper.getWritableDatabase();
long dataId = 0, noteId = 0, insertedId = 0;
switch (mMatcher.match(uri)) {
case URI_NOTE:
insertedId = noteId = db.insert(TABLE.NOTE, null, values);
break;
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
if (dataId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
}
return ContentUris.withAppendedId(uri, insertedId);
}
// 查询笔记表
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, sortOrder);// 插入方法
break;// 插入方法
// SQL查询：模糊搜索笔记内容
case URI_NOTE_ITEM:// 插入方法
// 查询特定的笔记
id = uri.getPathSegments().get(1);// 插入方法
c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs, null, null, sortOrder);
break; // SQL查询：模糊搜索笔记内容
// SQL查询：模糊搜索笔记内容
case URI_DATA: // SQL查询：模糊搜索笔记内容
// 查询数据表
c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, sortOrder);
break; // SQL查询：模糊搜索笔记内容
case URI_DATA_ITEM: // SQL查询：模糊搜索笔记内容
// 查询特定的数据项
id = uri.getPathSegments().get(1); // SQL查询：模糊搜索笔记内容
c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs, null, null, sortOrder);
break; // SQL查询：模糊搜索笔记内容
case URI_SEARCH: // SQL查询：模糊搜索笔记内容
case URI_SEARCH_SUGGEST: // SQL查询：模糊搜索笔记内容
// 执行搜索查询
if (sortOrder != null || projection != null) { // SQL查询：模糊搜索笔记内容
throw new IllegalArgumentException("Invalid query parameters for search"); // SQL查询：模糊搜索笔记内容
} // SQL查询：模糊搜索笔记内容
String searchString = null; // SQL查询：模糊搜索笔记内容
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST && uri.getPathSegments().size() > 1) { // SQL查询：模糊搜索笔记内容
searchString = uri.getPathSegments().get(1); // SQL查询：模糊搜索笔记内容
} else { // SQL查询：模糊搜索笔记内容
searchString = uri.getQueryParameter("pattern"); // SQL查询：模糊搜索笔记内容
} // SQL查询：模糊搜索笔记内容
if (TextUtils.isEmpty(searchString)) { // SQL查询：模糊搜索笔记内容
return null; // SQL查询：模糊搜索笔记内容
} // SQL查询：模糊搜索笔记内容
try { // SQL查询：模糊搜索笔记内容
searchString = String.format("%%%s%%", searchString); // SQL查询：模糊搜索笔记内容
c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, new String[] { searchString }); // SQL查询：模糊搜索笔记内容
} catch (IllegalStateException ex) { // SQL查询：模糊搜索笔记内容
Log.e(TAG, "Exception during search query: " + ex.toString()); // SQL查询：模糊搜索笔记内容
} // SQL查询：模糊搜索笔记内容
break; // SQL查询：模糊搜索笔记内容
default: // SQL查询：模糊搜索笔记内容
throw new IllegalArgumentException("Unknown URI: " + uri); // SQL查询：模糊搜索笔记内容
} // SQL查询：模糊搜索笔记内容
// SQL查询：模糊搜索笔记内容
if (c != null) { // SQL查询：模糊搜索笔记内容
c.setNotificationUri(getContext().getContentResolver(), uri); // SQL查询：模糊搜索笔记内容
} // SQL查询：模糊搜索笔记内容
return c; // SQL查询：模糊搜索笔记内容
} // SQL查询：模糊搜索笔记内容
// 插入方法
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
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;
}
public Uri insert(Uri uri, ContentValues values) {// 插入方法
SQLiteDatabase db = mHelper.getWritableDatabase();// 插入方法
long insertedId = 0;// 插入方法
switch (mMatcher.match(uri)) {// 插入方法
case URI_NOTE:// 插入方法
insertedId = db.insert(TABLE.NOTE, null, values); // 插入到笔记表
break;// 插入方法
case URI_DATA:// 插入方法
insertedId = db.insert(TABLE.DATA, null, values); // 插入到数据表
break;// 插入方法
default:// 插入方法
throw new IllegalArgumentException("Unknown URI: " + uri);// 插入方法
}// 插入方法
getContext().getContentResolver().notifyChange(uri, null); // 通知数据变更
return ContentUris.withAppendedId(uri, insertedId);// 插入方法
} // SQL查询：模糊搜索笔记内容
// 删除方法
@Override
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;
}
public int delete(Uri uri, String selection, String[] selectionArgs) { // SQL查询：模糊搜索笔记内容
SQLiteDatabase db = mHelper.getWritableDatabase(); // SQL查询：模糊搜索笔记内容
int count = 0; // SQL查询：模糊搜索笔记内容
switch (mMatcher.match(uri)) { // SQL查询：模糊搜索笔记内容
case URI_NOTE: // SQL查询：模糊搜索笔记内容
count = db.delete(TABLE.NOTE, selection, selectionArgs); // SQL查询：模糊搜索笔记内容
break; // SQL查询：模糊搜索笔记内容
// SQL查询：模糊搜索笔记内容
case URI_NOTE_ITEM: // SQL查询：模糊搜索笔记内容
count = db.delete(TABLE.NOTE, NoteColumns.ID // SQL查询：模糊搜索笔记内容+ "=" + id + parseSelection(selection), selectionArgs);
String id = uri.getPathSegments().get(1);
// count = db.delete(TABLE.NOTE, NoteColumns.ID // SQL查询：模糊搜索笔记内容+ "=" + id + parseSelection(selection), selectionArgs);
count = db.delete(TABLE.NOTE, NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs);// SQL查询：模糊搜索笔记内容
break;// SQL查询：模糊搜索笔记内容
default:// SQL查询：模糊搜索笔记内容
throw new IllegalArgumentException("Unknown URI: " + uri);// SQL查询：模糊搜索笔记内容
}// SQL查询：模糊搜索笔记内容
if (count > 0) {// SQL查询：模糊搜索笔记内容
getContext().getContentResolver().notifyChange(uri, null); // 数据变更通知
}// SQL查询：模糊搜索笔记内容
return count;// SQL查询：模糊搜索笔记内容
}// SQL查询：模糊搜索笔记内容
// 更新方法
@Override// SQL查询：模糊搜索笔记内容
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {// SQL查询：模糊搜索笔记内容
SQLiteDatabase db = mHelper.getWritableDatabase();// SQL查询：模糊搜索笔记内容
int count = 0;// SQL查询：模糊搜索笔记内容
// SQL查询：模糊搜索笔记内容
switch (mMatcher.match(uri)) {// SQL查询：模糊搜索笔记内容
case URI_NOTE:// SQL查询：模糊搜索笔记内容
count = db.update(TABLE.NOTE, values, selection, selectionArgs);// SQL查询：模糊搜索笔记内容
break;// SQL查询：模糊搜索笔记内容
default:// SQL查询：模糊搜索笔记内容
throw new IllegalArgumentException("Unknown URI: " + uri);// SQL查询：模糊搜索笔记内容
}// SQL查询：模糊搜索笔记内容
if (count > 0) {// SQL查询：模糊搜索笔记内容
getContext().getContentResolver().notifyChange(uri, null);// SQL查询：模糊搜索笔记内容
}// SQL查询：模糊搜索笔记内容
return count;// SQL查询：模糊搜索笔记内容
}// SQL查询：模糊搜索笔记内容
// 辅助方法：解析selection条件
private String parseSelection(String selection) {
return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
}
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);
}
mHelper.getWritableDatabase().execSQL(sql.toString());
}
return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");// SQL查询：模糊搜索笔记内容
}// SQL查询：模糊搜索笔记内容
// SQL查询：模糊搜索笔记内容
@Override
public String getType(Uri uri) {
// TODO Auto-generated method stub
return null;
}
}
public String getType(Uri uri) {// SQL查询：模糊搜索笔记内容
return null; // 不使用MIME类型// SQL查询：模糊搜索笔记内容
}// SQL查询：模糊搜索笔记内容
}// SQL查询：模糊搜索笔记内容

155
app/src/main/java/net/micode/notes/gtask/data/MetaData.java
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@ -1,82 +1,83 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)// 定义包名
*
* 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
* Licensed under the Apache License, Version 2.0 (the "License");// 定义包名
* you may not use this file except in compliance with the License.// 定义包名
* You may obtain a copy of the License at// 定义包名
*
* http://www.apache.org/licenses/LICENSE-2.0
* http://www.apache.org/licenses/LICENSE-2.0// 定义包名
*
* 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.
*/
* Unless required by applicable law or agreed to in writing, software// 定义包名
* distributed under the License is distributed on an "AS IS" BASIS,// 定义包名
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.// 定义包名
* See the License for the specific language governing permissions and// 定义包名
* limitations under the License.// 定义包名
*/// 定义包名
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");
}
}
package net.micode.notes.gtask.data; // 定义包名
// 定义包名
import android.database.Cursor; // 导入Cursor类
import android.util.Log; // 导入Log类
// 定义包名
import net.micode.notes.tool.GTaskStringUtils; // 导入GTaskStringUtils类
// 定义包名
import org.json.JSONException; // 导入JSONException类
import org.json.JSONObject; // 导入JSONObject类
// 定义包名
public class MetaData extends Task { // 定义MetaData类，继承自Task类
private final static String TAG = MetaData.class.getSimpleName(); // 定义日志标签
// 定义包名
private String mRelatedGid = null; // 定义一个字符串变量用于存储相关的GID
// 定义包名
// 设置元数据的方法
public void setMeta(String gid, JSONObject metaInfo) {// 定义包名
try {// 定义包名
metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); // 将GID放入metaInfo中// 定义包名
} catch (JSONException e) {// 定义包名
Log.e(TAG, "failed to put related gid"); // 捕获异常并记录错误日志// 定义包名
}// 定义包名
setNotes(metaInfo.toString()); // 将metaInfo转换为字符串并设置为笔记内容// 定义包名
setName(GTaskStringUtils.META_NOTE_NAME); // 设置笔记名称// 定义包名
}// 定义包名
// 定义包名
// 获取相关GID的方法
public String getRelatedGid() {// 定义包名
return mRelatedGid; // 返回相关GID// 定义包名
}// 定义包名
// 定义包名
@Override// 定义包名
public boolean isWorthSaving() {// 定义包名
return getNotes() != null; // 判断笔记内容是否不为空// 定义包名
}// 定义包名
// 定义包名
@Override// 定义包名
public void setContentByRemoteJSON(JSONObject js) {// 定义包名
super.setContentByRemoteJSON(js); // 调用父类方法设置内容// 定义包名
if (getNotes() != null) { // 如果笔记内容不为空// 定义包名
try {// 定义包名
JSONObject metaInfo = new JSONObject(getNotes().trim()); // 将笔记内容转换为JSONObject// 定义包名
mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID); // 获取相关GID// 定义包名
} catch (JSONException e) {// 定义包名
Log.w(TAG, "failed to get related gid"); // 捕获异常并记录警告日志// 定义包名
mRelatedGid = null; // 将相关GID设置为空// 定义包名
}// 定义包名
}// 定义包名
}// 定义包名
// 定义包名
@Override// 定义包名
public void setContentByLocalJSON(JSONObject js) {// 定义包名
// 这个方法不应该被调用
throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");// 定义包名
}// 定义包名
// 定义包名
@Override// 定义包名
public JSONObject getLocalJSONFromContent() {// 定义包名
throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");// 定义包名
}// 定义包名
// 定义包名
@Override// 定义包名
public int getSyncAction(Cursor c) {// 定义包名
throw new IllegalAccessError("MetaData:getSyncAction should not be called");// 定义包名
}// 定义包名
// 定义包名
}// 定义包名

132
app/src/main/java/net/micode/notes/gtask/data/Node.java
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@ -1,101 +1,101 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 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
* 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
* 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.
* 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;
package net.micode.notes.gtask.data; // 定义包名
import android.database.Cursor;
import android.database.Cursor; // 导入Cursor类
import org.json.JSONObject;
import org.json.JSONObject; // 导入JSONObject类
public abstract class Node {
public static final int SYNC_ACTION_NONE = 0;
public abstract class Node { // 定义抽象类Node
public static final int SYNC_ACTION_NONE = 0; // 定义常量，表示无同步操作
public static final int SYNC_ACTION_ADD_REMOTE = 1;
public static final int SYNC_ACTION_ADD_REMOTE = 1; // 定义常量，表示添加到远程
public static final int SYNC_ACTION_ADD_LOCAL = 2;
public static final int SYNC_ACTION_ADD_LOCAL = 2; // 定义常量，表示添加到本地
public static final int SYNC_ACTION_DEL_REMOTE = 3;
public static final int SYNC_ACTION_DEL_REMOTE = 3; // 定义常量，表示从远程删除
public static final int SYNC_ACTION_DEL_LOCAL = 4;
public static final int SYNC_ACTION_DEL_LOCAL = 4; // 定义常量，表示从本地删除
public static final int SYNC_ACTION_UPDATE_REMOTE = 5;
public static final int SYNC_ACTION_UPDATE_REMOTE = 5; // 定义常量，表示更新到远程
public static final int SYNC_ACTION_UPDATE_LOCAL = 6;
public static final int SYNC_ACTION_UPDATE_LOCAL = 6; // 定义常量，表示更新到本地
public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;
public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; // 定义常量，表示更新冲突
public static final int SYNC_ACTION_ERROR = 8;
public static final int SYNC_ACTION_ERROR = 8; // 定义常量，表示同步错误
private String mGid;
private String mGid; // 定义私有变量mGid，存储GID
private String mName;
private String mName; // 定义私有变量mName，存储名称
private long mLastModified;
private long mLastModified; // 定义私有变量mLastModified，存储最后修改时间
private boolean mDeleted;
private boolean mDeleted; // 定义私有变量mDeleted，存储删除状态
public Node() {
mGid = null;
mName = "";
mLastModified = 0;
mDeleted = false;
public Node() { // 构造函数，初始化变量
mGid = null; // 初始化mGid为null
mName = ""; // 初始化mName为空字符串
mLastModified = 0; // 初始化mLastModified为0
mDeleted = false; // 初始化mDeleted为false
}
public abstract JSONObject getCreateAction(int actionId);
public abstract JSONObject getCreateAction(int actionId); // 抽象方法，获取创建操作的JSON对象
public abstract JSONObject getUpdateAction(int actionId);
public abstract JSONObject getUpdateAction(int actionId); // 抽象方法，获取更新操作的JSON对象
public abstract void setContentByRemoteJSON(JSONObject js);
public abstract void setContentByRemoteJSON(JSONObject js); // 抽象方法，通过远程JSON设置内容
public abstract void setContentByLocalJSON(JSONObject js);
public abstract void setContentByLocalJSON(JSONObject js); // 抽象方法，通过本地JSON设置内容
public abstract JSONObject getLocalJSONFromContent();
public abstract JSONObject getLocalJSONFromContent(); // 抽象方法，从内容获取本地JSON对象
public abstract int getSyncAction(Cursor c);
public abstract int getSyncAction(Cursor c); // 抽象方法，获取同步操作
public void setGid(String gid) {
public void setGid(String gid) { // 设置GID的方法
this.mGid = gid;
}
public void setName(String name) {
public void setName(String name) { // 获取删除状态的方法
this.mName = name;
}
public void setLastModified(long lastModified) {
this.mLastModified = lastModified;
}
public void setDeleted(boolean deleted) {
}/ 获取删除状态的方法
/ 获取删除状态的方法
public void setLastModified(long lastModified) { // 设置最后修改时间的方法
this.mLastModified = lastModified;/ 获取删除状态的方法
}/ 获取删除状态的方法
/ 获取删除状态的方法
public void setDeleted(boolean deleted) { / 获取删除状态的方法
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;
}
}
}/ 获取删除状态的方法
/ 获取删除状态的方法
public String getGid() { // 获取GID的方法
return this.mGid;/ 获取删除状态的方法
}/ 获取删除状态的方法
/ 获取删除状态的方法
public String getName() { // 获取名称的方法
return this.mName;/ 获取删除状态的方法
}/ 获取删除状态的方法
/ 获取删除状态的方法
public long getLastModified() { // 获取最后修改时间的方法
return this.mLastModified;/ 获取删除状态的方法
}/ 获取删除状态的方法/ 获取删除状态的方法
/ 获取删除状态的方法
public boolean getDeleted() { // 获取删除状态的方法
return this.mDeleted;/ 获取删除状态的方法
}/ 获取删除状态的方法
/ 获取删除状态的方法
}/ 获取删除状态的方法

353
app/src/main/java/net/micode/notes/gtask/data/SqlData.java
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@ -1,189 +1,186 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* 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
* 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
* 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.
* 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;
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;
private static final String TAG = SqlData.class.getSimpleName(); // 定义日志标签
//
private static final int INVALID_ID = -99999; // 无效ID常量
//
// 定义查询数据库时所需要的字段
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;
DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,//
DataColumns.DATA3//
};//
//
// 数据库列的索引
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; // 用于访问ContentProvider的ContentResolver
private boolean mIsCreate; // 标记当前对象是否是新创建的
private long mDataId; // 数据ID
private String mDataMimeType; // 数据类型
private String mDataContent; // 数据内容
private long mDataContentData1; // 数据内容的附加信息1
private String mDataContentData3; // 数据内容的附加信息3
private ContentValues mDiffDataValues; // 用于存储更改的数据内容
// 构造函数，初始化SqlData对象
public SqlData(Context context) {
mContentResolver = context.getContentResolver();
mIsCreate = true;
mDataId = INVALID_ID;
mDataMimeType = DataConstants.NOTE;
mDataContent = "";
mDataContentData1 = 0;
mDataContentData3 = "";
mDiffDataValues = new ContentValues();
}
mContentResolver = context.getContentResolver(); // 获取ContentResolver
mIsCreate = true; // 标记为新创建
mDataId = INVALID_ID; // 初始化为无效ID
mDataMimeType = DataConstants.NOTE; // 默认数据类型为NOTE
mDataContent = ""; // 默认内容为空
mDataContentData1 = 0; // 默认附加信息1为0
mDataContentData3 = ""; // 默认附加信息3为空
mDiffDataValues = new ContentValues(); // 初始化更改数据的ContentValues
}//
//
// 构造函数，通过Cur/sor加载数据
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);
}
mContentResolver = context.getContentResolver(); // 获取ContentResolver
mIsCreate = false; // 标记为已存在数据
loadFromCursor(c); // 从Cursor中加载数据
mDiffDataValues = new ContentValues(); // 初始化更改数据的ContentValues
}//
//
// 从Cursor加载数据
private void loadFromCursor(Cursor c) {//
mDataId = c.getLong(DATA_ID_COLUMN); // 获取数据ID
mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); // 获取数据类型
mDataContent = c.getString(DATA_CONTENT_COLUMN); // 获取数据内容
mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN); // 获取附加信息1
mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); // 获取附加信息3
}//
//
// 设置数据内容
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;
}
}
long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; // 获取ID，如果没有则设置为无效ID
if (mIsCreate || mDataId != dataId) { // 如果是新创建的或者ID不相同
mDiffDataValues.put(DataColumns.ID, dataId); // 将ID放入更改数据中
}//
mDataId = dataId; // 更新数据ID
//
String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE)//
: DataConstants.NOTE; // 获取数据类型，默认是NOTE
if (mIsCreate || !mDataMimeType.equals(dataMimeType)) { // 如果是新创建的或者类型不相同
mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType); // 将数据类型放入更改数据中
}//
mDataMimeType = dataMimeType; // 更新数据类型
//
String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : ""; // 获取内容
if (mIsCreate || !mDataContent.equals(dataContent)) { // 如果是新创建的或者内容不相同
mDiffDataValues.put(DataColumns.CONTENT, dataContent); // 将内容放入更改数据中
}//
mDataContent = dataContent; // 更新内容 // 清空更改的数据
// 清空更改的数据
long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0; // 获取附加信息1
if (mIsCreate || mDataContentData1 != dataContentData1) { // 如果是新创建的或者附加信息1不同
mDiffDataValues.put(DataColumns.DATA1, dataContentData1); // 将附加信息1放入更改数据中
} // 清空更改的数据
mDataContentData1 = dataContentData1; // 更新附加信息1
// 清空更改的数据
String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : ""; // 获取附加信息3
if (mIsCreate || !mDataContentData3.equals(dataContentData3)) { // 如果是新创建的或者附加信息3不同
mDiffDataValues.put(DataColumns.DATA3, dataContentData3); // 将附加信息3放入更改数据中
} // 清空更改的数据
mDataContentData3 = dataContentData3; // 更新附加信息3
} // 清空更改的数据
// 清空更改的数据
// 获取数据内容
public JSONObject getContent() throws JSONException {//
if (mIsCreate) { // 如果是新创建的
Log.e(TAG, "it seems that we haven't created this in database yet"); // 打印错误日志
return null; // 返回null
}// 返回null
JSONObject js = new JSONObject(); // 创建一个新的JSONObject
js.put(DataColumns.ID, mDataId); // 将ID放入JSONObject中
js.put(DataColumns.MIME_TYPE, mDataMimeType); // 将数据类型放入JSONObject中
js.put(DataColumns.CONTENT, mDataContent); // 将内容放入JSONObject中
js.put(DataColumns.DATA1, mDataContentData1); // 将附加信息1放入JSONObject中
js.put(DataColumns.DATA3, mDataContentData3); // 将附加信息3放入JSONObject中
return js; // 返回JSONObject
} // 清空更改的数据
// 清空更改的数据
// 提交更改
public void commit(long noteId, boolean validateVersion, long version) {//
if (mIsCreate) { // 如果是新创建的
if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) { // 如果ID无效并且有ID更改
mDiffDataValues.remove(DataColumns.ID); // 移除ID字段
} // 清空更改的数据
// 清空更改的数据
mDiffDataValues.put(DataColumns.NOTE_ID, noteId); // 将笔记ID放入更改数据中
Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues); // 插入数据到ContentProvider
try { // 清空更改的数据
mDataId = Long.valueOf(uri.getPathSegments().get(1)); // 获取插入数据的ID
} catch (NumberFormatException e) { // 清空更改的数据
Log.e(TAG, "Get note id error :" + e.toString()); // 打印日志
throw new ActionFailureException("create note failed"); // 抛出异常
} // 清空更改的数据
} else { // 如果不是新创建的
if (mDiffDataValues.size() > 0) { // 如果有更改的数据
int result = 0; // 清空更改的数据
if (!validateVersion) { // 如果不需要版本验证 // 清空更改的数据
result = mContentResolver.update(ContentUris.withAppendedId( // 清空更改的数据
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); // 更新数据
} else { // 如果需要版本验证
result = mContentResolver.update(ContentUris.withAppendedId( // 清空更改的数据
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, // 清空更改的数据
" ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE // 清空更改的数据
+ " WHERE " + NoteColumns.VERSION + "=?)", new String[] { // 清空更改的数据
String.valueOf(noteId), String.valueOf(version) // 清空更改的数据
}); // 清空更改的数据
} // 清空更改的数据
if (result == 0) { // 如果没有更新数据
Log.w(TAG, "there is no update. maybe user updates note when syncing"); // 打印警告日志
} // 清空更改的数据
} // 清空更改的数据
} // 清空更改的数据
// 清空更改的数据
// 清空更改的数据
mDiffDataValues.clear(); // 清空更改的数据
mIsCreate = false; // 标记为非新创建
} // 清空更改的数据
// 清空更改的数据
// 获取数据ID
public long getId() { // 清空更改的数据
return mDataId; // 返回数据ID
} // 清空更改的数据
} // 清空更改的数据

7
app/src/main/java/net/micode/notes/gtask/data/SqlNote.java
Unescape View File

@ -200,6 +200,13 @@ public class SqlNote {
mVersion = c.getLong(VERSION_COLUMN);
}
private void loadDataContent() {
Cursor c = null;
mDataList.clear();

428
app/src/main/java/net/micode/notes/gtask/data/Task.java
Unescape View File

@ -33,319 +33,357 @@ import org.json.JSONObject;
public class Task extends Node {
private static final String TAG = Task.class.getSimpleName();
private static final String TAG = Task.class.getSimpleName(); // Tag for logging
private boolean mCompleted;
private boolean mCompleted; // Flag indicating task completion status
private String mNotes;
private String mNotes; // Stores notes related to the task
private JSONObject mMetaInfo;
private JSONObject mMetaInfo; // Metadata for task
private Task mPriorSibling;
private Task mPriorSibling; // Reference to the previous task in the same list
private TaskList mParent;
private TaskList mParent; // Reference to the parent task list
// Constructor
public Task() {
super();
mCompleted = false;
mNotes = null;
mPriorSibling = null;
mParent = null;
mMetaInfo = null;
mCompleted = false; // Initialize task as not completed
mNotes = null; // Initialize notes as null
mPriorSibling = null; // Initialize prior sibling as null
mParent = null; // Initialize parent as null
mMetaInfo = null; // Initialize metadata as null
}
// Creates a JSON object representing a task creation action
public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject();
JSONObject js = new JSONObject(); // Create a new JSONObject to hold the action details
try {
// action_type
// Set action type to "create"
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
// action_id
// Set the action ID
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// index
// Set the task index within its parent task list
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
// entity_delta
// Set the entity delta which holds the task details
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // Set the task name
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); // Set the creator as null (default)
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_TASK);
GTaskStringUtils.GTASK_JSON_TYPE_TASK); // Set entity type to task
if (getNotes() != null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); // Add notes if present
}
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); // Add entity to the action
// parent_id
// Set parent ID (the ID of the parent task list)
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
// dest_parent_type
// Set the destination parent type
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
// list_id
// Set the list ID (the ID of the parent task list)
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
// prior_sibling_id
// Set prior sibling ID if there's a prior sibling
if (mPriorSibling != null) {
js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("fail to generate task-create jsonobject");
} catch (JSONException e) { // Catch JSON exception if any occur
Log.e(TAG, e.toString()); // Log the error
e.printStackTrace(); // Print the stack trace
throw new ActionFailureException("fail to generate task-create jsonobject"); // Throw custom exception
}
return js;
return js; // Return the JSON object representing the create action
}
// Creates a JSON object representing a task update action
public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject();
JSONObject js = new JSONObject(); // Create a new JSONObject for the update action
try {
// action_type
// Set action type to "update"
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
// action_id
// Set action ID
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// id
// Set task ID
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
// entity_delta
// Set the entity delta with task details
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // Set the task name
if (getNotes() != null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); // Add notes if available
}
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); // Set deletion status
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); // Add entity to the update action
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("fail to generate task-update jsonobject");
} catch (JSONException e) { // Catch JSON exception if any occur
Log.e(TAG, e.toString()); // Log the error
e.printStackTrace(); // Print the stack trace
throw new ActionFailureException("fail to generate task-update jsonobject"); // Throw custom exception
}
return js;
return js; // Return the JSON object representing the update action
}
// Sets the task content based on a remote JSON object
public void setContentByRemoteJSON(JSONObject js) {
if (js != null) {
try {
// id
// Set task ID if available
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
}
// last_modified
// Set last modified timestamp if available
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
}
// name
// Set task name if available
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
}
// notes
// Set notes if available
if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
}
// deleted
// Set deletion status if available
if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
}
// completed
// Set completion status if available
if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("fail to get task content from jsonobject");
} catch (JSONException e) { // Catch JSON exception if any occur
Log.e(TAG, e.toString()); // Log the error
e.printStackTrace(); // Print the stack trace
throw new ActionFailureException("fail to get task content from jsonobject"); // Throw custom exception
}
}
}
// Sets the task content based on a local JSON object
public void setContentByLocalJSON(JSONObject js) {
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) {
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
Log.w(TAG, "setContentByLocalJSON: nothing is available"); // Log a warning if data is not available
}
try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); // Get the note object
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); // Get data array
// Check if the note type is valid
if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) {
Log.e(TAG, "invalid type");
return;
Log.e(TAG, "invalid type"); // Log an error if the type is invalid
return; // Exit the method
}
// Iterate through data array and set the task name
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
setName(data.getString(DataColumns.CONTENT));
setName(data.getString(DataColumns.CONTENT)); // Set the task name
break;
}
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
} catch (JSONException e) { // Catch JSON exception if any occur
Log.e(TAG, e.toString()); // Log the error
e.printStackTrace(); // Print the stack trace
}
}
// Returns a local JSON representation of the task content
public JSONObject getLocalJSONFromContent() {
String name = getName();
String name = getName(); // Get the task name
try {
if (mMetaInfo == null) {
// new task created from web
if (name == null) {
if (mMetaInfo == null) { // If metadata is null, create a new task
// New task created from the web
if (name == null) { // If the task name is null, log a warning
Log.w(TAG, "the note seems to be an empty one");
return null;
return null; // Return null if the task name is empty
}
// Create a new JSON object for the task
JSONObject js = new JSONObject();
JSONObject note = new JSONObject();
JSONArray dataArray = new JSONArray();
JSONObject data = new JSONObject();
data.put(DataColumns.CONTENT, name);
dataArray.put(data);
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
js.put(GTaskStringUtils.META_HEAD_NOTE, note);
return js;
data.put(DataColumns.CONTENT, name); // Set the task name in the data
dataArray.put(data); // Add data to the array
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); // Add data array to the JSON object
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE); // Set note type to "note"
js.put(GTaskStringUtils.META_HEAD_NOTE, note); // Add note object to the JSON object
return js; // Return the newly created JSON object
} else {
// synced task
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
data.put(DataColumns.CONTENT, getName());
break;
}
}
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
return mMetaInfo;
// Synced task, retrieve data from metadata
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); // Get the note object
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA); // Get data array
// Iterate through data array and update task name
for (int i = 0; i < dataArray.length(); i++) {// Return null if an error occurs
JSONObject data = dataArray.getJSONObject(i);// Return null if an error occurs
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {// Return null if an error occurs
data.put(DataColumns.CONTENT, getName()); // Set the task name in data
break;// Return null if an error occurs
}// Return null if an error occurs
}// Return null if an error occurs
// Return null if an error occurs
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE); // Set note type to "note"
return mMetaInfo; // Return the metadata as the JSON object
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return null;
}
}
public void setMetaInfo(MetaData metaData) {
if (metaData != null && metaData.getNotes() != null) {
try {
mMetaInfo = new JSONObject(metaData.getNotes());
} catch (JSONException e) {
Log.w(TAG, e.toString());
mMetaInfo = null;
}
}
}
public int getSyncAction(Cursor c) {
} catch (JSONException e) { // Catch JSON exception if any occur
Log.e(TAG, e.toString()); // Log the error
e.printStackTrace(); // Print the stack trace
return null; // Return null if an error occurs
}// Return null if an error occurs
}// Return null if an error occurs
}// Return null if an error occurs
// Return null if an error occurs
// Return null if an error occurs
// Return null if an error occurs
// Return null if an error occurs
// Return null if an error occurs
// Return null if an error occurs
// Method to set meta information using a MetaData object
public void setMetaInfo(MetaData metaData) {
// Check if the metaData is not null and contains notes
if (metaData != null && metaData.getNotes() != null) {
try {
JSONObject noteInfo = null;
if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
}
if (noteInfo == null) {
Log.w(TAG, "it seems that note meta has been deleted");
return SYNC_ACTION_UPDATE_REMOTE;
}
if (!noteInfo.has(NoteColumns.ID)) {
Log.w(TAG, "remote note id seems to be deleted");
return SYNC_ACTION_UPDATE_LOCAL;
}
// validate the note id now
if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
Log.w(TAG, "note id doesn't match");
return SYNC_ACTION_UPDATE_LOCAL;
}
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
// there is no local update
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// no update both side
return SYNC_ACTION_NONE;
} else {
// apply remote to local
return SYNC_ACTION_UPDATE_LOCAL;
}
} else {
// validate gtask id
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
Log.e(TAG, "gtask id doesn't match");
return SYNC_ACTION_ERROR;
}
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// local modification only
return SYNC_ACTION_UPDATE_REMOTE;
} else {
return SYNC_ACTION_UPDATE_CONFLICT;
}
}
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
}
return SYNC_ACTION_ERROR;
}
public boolean isWorthSaving() {
return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)
|| (getNotes() != null && getNotes().trim().length() > 0);
}
public void setCompleted(boolean completed) {
this.mCompleted = completed;
}
public void setNotes(String notes) {
this.mNotes = notes;
}
public void setPriorSibling(Task priorSibling) {
this.mPriorSibling = priorSibling;
}
public void setParent(TaskList parent) {
this.mParent = parent;
}
public boolean getCompleted() {
return this.mCompleted;
}
public String getNotes() {
return this.mNotes;
}
public Task getPriorSibling() {
return this.mPriorSibling;
}
public TaskList getParent() {
return this.mParent;
}
// Convert the notes data into a JSONObject and assign it to mMetaInfo
mMetaInfo = new JSONObject(metaData.getNotes());
} catch (JSONException e) {
// Log a warning if the conversion fails
Log.w(TAG, e.toString());
// Reset mMetaInfo to null in case of an error
mMetaInfo = null; // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
// Reset mMetaInfo to null in case of an error
// Method to determine the sync action based on the data in the cursor
public int getSyncAction(Cursor c) { // Reset mMetaInfo to null in case of an error
try { // Reset mMetaInfo to null in case of an error
JSONObject noteInfo = null; // Reset mMetaInfo to null in case of an error
// Reset mMetaInfo to null in case of an error
// Check if mMetaInfo is not null and contains the note info
if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) { // Reset mMetaInfo to null in case of an error
// Retrieve the note info from mMetaInfo
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
// Reset mMetaInfo to null in case of an error
// If no note info is found, return SYNC_ACTION_UPDATE_REMOTE
if (noteInfo == null) { // Reset mMetaInfo to null in case of an error
Log.w(TAG, "it seems that note meta has been deleted"); // Reset mMetaInfo to null in case of an error
return SYNC_ACTION_UPDATE_REMOTE; // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
// Reset mMetaInfo to null in case of an error
// If no note ID is found in the note info, return SYNC_ACTION_UPDATE_LOCAL
if (!noteInfo.has(NoteColumns.ID)) {
Log.w(TAG, "remote note id seems to be deleted");
return SYNC_ACTION_UPDATE_LOCAL;
} // Reset mMetaInfo to null in case of an error
// Reset mMetaInfo to null in case of an error
// Validate the note ID with the value in the cursor
if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) { // Reset mMetaInfo to null in case of an error
Log.w(TAG, "note id doesn't match"); // Reset mMetaInfo to null in case of an error
return SYNC_ACTION_UPDATE_LOCAL; // Reset mMetaInfo to null in case of an error
// Reset mMetaInfo to null in case of an error
// Check if there are any local updates
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
// If no local updates, check if the sync ID matches the last modified timestamp
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// No updates on either side // Reset mMetaInfo to null in case of an error
return SYNC_ACTION_NONE; // Reset mMetaInfo to null in case of an error
} else { // Reset mMetaInfo to null in case of an error
// Apply remote updates to local // Reset mMetaInfo to null in case of an error
return SYNC_ACTION_UPDATE_LOCAL; // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
} else { // Reset mMetaInfo to null in case of an error
// If there are local modifications, // Reset mMetaInfo to null in case of an errorvalidate the gtask ID
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { // Reset mMetaInfo to null in case of an error
Log.e(TAG, "gtask id doesn't match"); // Reset mMetaInfo to null in case of an error
return SYNC_ACTION_ERROR; // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
// Check if the sync ID matches the last modified timestamp for local modification
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { // Reset mMetaInfo to null in case of an error
// Local modification only
return SYNC_ACTION_UPDATE_REMOTE; // Reset mMetaInfo to null in case of an error
// Conflict between local and remote modification
return SYNC_ACTION_UPDATE_CONFLICT; // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
} catch (Exception e) { // Reset mMetaInfo to null in case of an error
// Log the exception and return SYNC_ACTION_ERROR
Log.e(TAG, e.toString()); // Reset mMetaInfo to null in case of an error
e.printStackTrace(); // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
// Reset mMetaInfo to null in case of an error
return SYNC_ACTION_ERROR; // Reset mMetaInfo to null in case of an error
} // Reset mMetaInfo to null in case of an error
// Getter method to retrieve the parent task list
// Method to check if the task is worth saving based on meta info or task content
public boolean isWorthSaving() { // Reset mMetaInfo to null in case of an error
// If there is meta info or non-empty name or notes, return true
return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)// Getter method to retrieve the parent task list
|| (getNotes() != null && getNotes().trim().length() > 0);// Getter method to retrieve the parent task list
} // Reset mMetaInfo to null in case of an error
// Reset mMetaInfo to null in case of an error
// Setter method to mark the task as completed
public void setCompleted(boolean completed) { // Reset mMetaInfo to null in case of an error
this.mCompleted = completed;// Getter method to retrieve the parent task list
}// Getter method to retrieve the parent task list
// Getter method to retrieve the parent task list
// Setter method to set the notes of the task
public void setNotes(String notes) {// Getter method to retrieve the parent task list
this.mNotes = notes;// Getter method to retrieve the parent task list
}// Getter method to retrieve the parent task list
// Getter method to retrieve the parent task list
// Setter method to set the prior sibling task
public void setPriorSibling(Task priorSibling) {// Getter method to retrieve the parent task list
this.mPriorSibling = priorSibling;// Getter method to retrieve the parent task list
}// Getter method to retrieve the parent task list
// Getter method to retrieve the parent task list
// Setter method to set the parent task list
public void setParent(TaskList parent) {// Getter method to retrieve the parent task list
this.mParent = parent;// Getter method to retrieve the parent task list
}// Getter method to retrieve the parent task list
// Getter method to retrieve the parent task list
// Getter method to retrieve the completed status of the task
public boolean getCompleted() {// Getter method to retrieve the parent task list
return this.mCompleted;// Getter method to retrieve the parent task list
}// Getter method to retrieve the parent task list
// Getter method to retrieve the parent task list
// Getter method to retrieve the notes of the task
public String getNotes() {// Getter method to retrieve the parent task list
return this.mNotes;// Getter method to retrieve the parent task list
}// Getter method to retrieve the parent task list
// Getter method to retrieve the parent task list
// Getter method to retrieve the prior sibling task
public Task getPriorSibling() {// Getter method to retrieve the parent task list
return this.mPriorSibling;// Getter method to retrieve the parent task list
}// Getter method to retrieve the parent task list
// Getter method to retrieve the parent task list
// Getter method to retrieve the parent task list
public TaskList getParent() {// Getter method to retrieve the parent task list
return this.mParent;// Getter method to retrieve the parent task list
}

7
build.gradle
Unescape View File

@ -2,19 +2,14 @@
buildscript {
repositories {
jcenter()
google()
mavenCentral()
}
dependencies {
//classpath 'com.android.tools.build:gradle:2.3.2'
classpath 'com.android.tools.build:gradle:7.4.2'
classpath 'com.android.tools.build:gradle:2.3.2'
}
}
allprojects {
repositories {
jcenter()
google()
mavenCentral()
}
}

2
gradle/wrapper/gradle-wrapper.properties vendored
Unescape View File

@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip

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