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添加注释

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zbq
abandon 3 months ago
parent 65382563d7
commit e129743823
4 changed files with 557 additions and 300 deletions
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103
Notes-master/src/net/micode/notes/gtask/data/SqlData.java
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@ -2,16 +2,11 @@
* 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"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * 您可以在遵守License的前提下使用本文件
* You may obtain a copy of the License at * 具体License内容可查阅：http://www.apache.org/licenses/LICENSE-2.0
* *
* http://www.apache.org/licenses/LICENSE-2.0 * 软件按"原样"分发，不提供任何形式的明示或暗示的保证
* * 详见License中关于权限和限制的具体条款
* 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;
@ -34,43 +29,42 @@ import net.micode.notes.gtask.exception.ActionFailureException;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
/**
* SQL数据操作类
* 用于处理笔记附属数据的数据库操作，支持增量更新和版本验证
* 通过ContentResolver与Android ContentProvider进行交互
*/
public class SqlData { public class SqlData {
private static final String TAG = SqlData.class.getSimpleName(); private static final String TAG = SqlData.class.getSimpleName();
private static final int INVALID_ID = -99999; // 无效ID标识
private static final int INVALID_ID = -99999; // 数据查询投影和列索引定义
public static final String[] PROJECTION_DATA = new String[] { public static final String[] PROJECTION_DATA = new String[] {
DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,
DataColumns.DATA3 DataColumns.DATA3
}; };
public static final int DATA_ID_COLUMN = 0; public static final int DATA_ID_COLUMN = 0;
public static final int DATA_MIME_TYPE_COLUMN = 1; public static final int DATA_MIME_TYPE_COLUMN = 1;
public static final int DATA_CONTENT_COLUMN = 2; 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_1_COLUMN = 3;
public static final int DATA_CONTENT_DATA_3_COLUMN = 4; public static final int DATA_CONTENT_DATA_3_COLUMN = 4;
private ContentResolver mContentResolver; private ContentResolver mContentResolver; // 内容解析器
private boolean mIsCreate; // 是否为新建数据
private boolean mIsCreate; private long mDataId; // 数据ID
private String mDataMimeType; // MIME类型
private long mDataId; private String mDataContent; // 内容
private long mDataContentData1; // 附加数据1
private String mDataMimeType; private String mDataContentData3; // 附加数据3
private ContentValues mDiffDataValues; // 变更内容
private String mDataContent;
/**
private long mDataContentData1; * 构造函数（新建数据模式）
* 初始化一个新的SQLData实例，用于创建新数据
private String mDataContentData3; *
* @param context 应用上下文
private ContentValues mDiffDataValues; */
public SqlData(Context context) { public SqlData(Context context) {
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
mIsCreate = true; mIsCreate = true;
@ -82,6 +76,13 @@ public class SqlData {
mDiffDataValues = new ContentValues(); mDiffDataValues = new ContentValues();
} }
/**
* 构造函数（从数据库加载模式）
* 从数据库游标初始化SQLData实例，用于更新已有数据
*
* @param context 应用上下文
* @param c 数据库游标
*/
public SqlData(Context context, Cursor c) { public SqlData(Context context, Cursor c) {
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
mIsCreate = false; mIsCreate = false;
@ -89,6 +90,12 @@ public class SqlData {
mDiffDataValues = new ContentValues(); mDiffDataValues = new ContentValues();
} }
/**
* 从游标加载数据
* 从数据库游标中读取数据并设置到当前实例
*
* @param c 数据库游标
*/
private void loadFromCursor(Cursor c) { private void loadFromCursor(Cursor c) {
mDataId = c.getLong(DATA_ID_COLUMN); mDataId = c.getLong(DATA_ID_COLUMN);
mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN);
@ -97,6 +104,13 @@ public class SqlData {
mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN);
} }
/**
* 从JSON对象设置内容
* 比较新旧值，仅记录有变化的字段，实现增量更新
*
* @param js 包含新内容的JSON对象
* @throws JSONException JSON解析异常
*/
public void setContent(JSONObject js) throws JSONException { public void setContent(JSONObject js) throws JSONException {
long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID;
if (mIsCreate || mDataId != dataId) { if (mIsCreate || mDataId != dataId) {
@ -130,6 +144,13 @@ public class SqlData {
mDataContentData3 = dataContentData3; mDataContentData3 = dataContentData3;
} }
/**
* 获取内容的JSON表示
* 将当前数据转换为JSON对象
*
* @return 包含当前数据的JSON对象
* @throws JSONException JSON构建异常
*/
public JSONObject getContent() throws JSONException { public JSONObject getContent() throws JSONException {
if (mIsCreate) { if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet"); Log.e(TAG, "it seems that we haven't created this in database yet");
@ -144,9 +165,19 @@ public class SqlData {
return js; return js;
} }
/**
* 提交数据变更
* 将记录的变更提交到数据库，支持新建和更新操作
* 可选的版本验证功能，确保数据一致性
*
* @param noteId 关联的笔记ID
* @param validateVersion 是否验证版本
* @param version 期望的版本号
*/
public void commit(long noteId, boolean validateVersion, long version) { public void commit(long noteId, boolean validateVersion, long version) {
if (mIsCreate) { if (mIsCreate) {
// 新建操作
if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) { if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) {
mDiffDataValues.remove(DataColumns.ID); mDiffDataValues.remove(DataColumns.ID);
} }
@ -160,12 +191,15 @@ public class SqlData {
throw new ActionFailureException("create note failed"); throw new ActionFailureException("create note failed");
} }
} else { } else {
// 更新操作
if (mDiffDataValues.size() > 0) { if (mDiffDataValues.size() > 0) {
int result = 0; int result = 0;
if (!validateVersion) { if (!validateVersion) {
// 不验证版本直接更新
result = mContentResolver.update(ContentUris.withAppendedId( result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null);
} else { } else {
// 验证版本后更新，确保数据未被其他进程修改
result = mContentResolver.update(ContentUris.withAppendedId( result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues,
" ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE " ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE
@ -183,6 +217,11 @@ public class SqlData {
mIsCreate = false; mIsCreate = false;
} }
/**
* 获取数据ID
*
* @return 数据ID
*/
public long getId() { public long getId() {
return mDataId; return mDataId;
} }

276
Notes-master/src/net/micode/notes/gtask/data/SqlNote.java
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@ -2,16 +2,11 @@
* 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"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * 您可以在遵守License的前提下使用本文件
* You may obtain a copy of the License at * 具体License内容可查阅：http://www.apache.org/licenses/LICENSE-2.0
* *
* http://www.apache.org/licenses/LICENSE-2.0 * 软件按"原样"分发，不提供任何形式的明示或暗示的保证
* * 详见License中关于权限和限制的具体条款
* 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;
@ -37,12 +32,17 @@ import org.json.JSONObject;
import java.util.ArrayList; import java.util.ArrayList;
/**
* 笔记数据操作类
* 处理笔记数据的数据库操作，包括增删改查
* 支持与Google Tasks同步的笔记数据处理
* 实现增量更新和版本验证机制
*/
public class SqlNote { public class SqlNote {
private static final String TAG = SqlNote.class.getSimpleName(); private static final String TAG = SqlNote.class.getSimpleName();
private static final int INVALID_ID = -99999; // 无效ID标识
private static final int INVALID_ID = -99999; // 笔记查询投影和列索引定义
public static final String[] PROJECTION_NOTE = new String[] { public static final String[] PROJECTION_NOTE = new String[] {
NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID, NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE, NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE,
@ -53,96 +53,76 @@ public class SqlNote {
}; };
public static final int ID_COLUMN = 0; public static final int ID_COLUMN = 0;
public static final int ALERTED_DATE_COLUMN = 1; public static final int ALERTED_DATE_COLUMN = 1;
public static final int BG_COLOR_ID_COLUMN = 2; public static final int BG_COLOR_ID_COLUMN = 2;
public static final int CREATED_DATE_COLUMN = 3; public static final int CREATED_DATE_COLUMN = 3;
public static final int HAS_ATTACHMENT_COLUMN = 4; public static final int HAS_ATTACHMENT_COLUMN = 4;
public static final int MODIFIED_DATE_COLUMN = 5; public static final int MODIFIED_DATE_COLUMN = 5;
public static final int NOTES_COUNT_COLUMN = 6; public static final int NOTES_COUNT_COLUMN = 6;
public static final int PARENT_ID_COLUMN = 7; public static final int PARENT_ID_COLUMN = 7;
public static final int SNIPPET_COLUMN = 8; public static final int SNIPPET_COLUMN = 8;
public static final int TYPE_COLUMN = 9; public static final int TYPE_COLUMN = 9;
public static final int WIDGET_ID_COLUMN = 10; public static final int WIDGET_ID_COLUMN = 10;
public static final int WIDGET_TYPE_COLUMN = 11; public static final int WIDGET_TYPE_COLUMN = 11;
public static final int SYNC_ID_COLUMN = 12; public static final int SYNC_ID_COLUMN = 12;
public static final int LOCAL_MODIFIED_COLUMN = 13; public static final int LOCAL_MODIFIED_COLUMN = 13;
public static final int ORIGIN_PARENT_ID_COLUMN = 14; public static final int ORIGIN_PARENT_ID_COLUMN = 14;
public static final int GTASK_ID_COLUMN = 15; public static final int GTASK_ID_COLUMN = 15;
public static final int VERSION_COLUMN = 16; public static final int VERSION_COLUMN = 16;
private Context mContext; private Context mContext; // 应用上下文
private ContentResolver mContentResolver; // 内容解析器
private ContentResolver mContentResolver; private boolean mIsCreate; // 是否为新建笔记
private long mId; // 笔记ID
private boolean mIsCreate; private long mAlertDate; // 提醒日期
private int mBgColorId; // 背景颜色ID
private long mId; private long mCreatedDate; // 创建日期
private int mHasAttachment; // 是否有附件
private long mAlertDate; private long mModifiedDate; // 最后修改日期
private long mParentId; // 父文件夹ID
private int mBgColorId; private String mSnippet; // 笔记摘要/文件夹名称
private int mType; // 类型（笔记/文件夹/系统文件夹）
private long mCreatedDate; private int mWidgetId; // 桌面小部件ID
private int mWidgetType; // 桌面小部件类型
private int mHasAttachment; private long mOriginParent; // 移动前的原始父文件夹ID
private long mVersion; // 版本号
private long mModifiedDate; private ContentValues mDiffNoteValues; // 变更的笔记值
private ArrayList<SqlData> mDataList; // 附属数据列表
private long mParentId;
/**
private String mSnippet; * 构造函数（新建笔记模式）
* 初始化一个新的SqlNote实例，用于创建新笔记
private int mType; *
* @param context 应用上下文
private int mWidgetId; */
private int mWidgetType;
private long mOriginParent;
private long mVersion;
private ContentValues mDiffNoteValues;
private ArrayList<SqlData> mDataList;
public SqlNote(Context context) { public SqlNote(Context context) {
mContext = context; mContext = context;
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
mIsCreate = true; mIsCreate = true;
mId = INVALID_ID; mId = INVALID_ID;
mAlertDate = 0; mAlertDate = 0;
mBgColorId = ResourceParser.getDefaultBgId(context); mBgColorId = ResourceParser.getDefaultBgId(context); // 设置默认背景色
mCreatedDate = System.currentTimeMillis(); mCreatedDate = System.currentTimeMillis(); // 当前时间作为创建时间
mHasAttachment = 0; mHasAttachment = 0;
mModifiedDate = System.currentTimeMillis(); mModifiedDate = System.currentTimeMillis(); // 当前时间作为修改时间
mParentId = 0; mParentId = 0; // 默认父文件夹为根文件夹
mSnippet = ""; mSnippet = "";
mType = Notes.TYPE_NOTE; mType = Notes.TYPE_NOTE; // 默认类型为普通笔记
mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID; mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID; // 无效的小部件ID
mWidgetType = Notes.TYPE_WIDGET_INVALIDE; mWidgetType = Notes.TYPE_WIDGET_INVALIDE; // 无效的小部件类型
mOriginParent = 0; mOriginParent = 0;
mVersion = 0; mVersion = 0;
mDiffNoteValues = new ContentValues(); mDiffNoteValues = new ContentValues();
mDataList = new ArrayList<SqlData>(); mDataList = new ArrayList<SqlData>();
} }
/**
* 构造函数（从数据库加载模式）
* 从数据库游标初始化SqlNote实例，用于更新已有笔记
*
* @param context 应用上下文
* @param c 数据库游标
*/
public SqlNote(Context context, Cursor c) { public SqlNote(Context context, Cursor c) {
mContext = context; mContext = context;
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
@ -150,10 +130,17 @@ public class SqlNote {
loadFromCursor(c); loadFromCursor(c);
mDataList = new ArrayList<SqlData>(); mDataList = new ArrayList<SqlData>();
if (mType == Notes.TYPE_NOTE) if (mType == Notes.TYPE_NOTE)
loadDataContent(); loadDataContent(); // 仅当为笔记类型时加载附属数据
mDiffNoteValues = new ContentValues(); mDiffNoteValues = new ContentValues();
} }
/**
* 构造函数（按ID加载模式）
* 根据笔记ID从数据库加载笔记数据
*
* @param context 应用上下文
* @param id 笔记ID
*/
public SqlNote(Context context, long id) { public SqlNote(Context context, long id) {
mContext = context; mContext = context;
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
@ -161,18 +148,20 @@ public class SqlNote {
loadFromCursor(id); loadFromCursor(id);
mDataList = new ArrayList<SqlData>(); mDataList = new ArrayList<SqlData>();
if (mType == Notes.TYPE_NOTE) if (mType == Notes.TYPE_NOTE)
loadDataContent(); loadDataContent(); // 仅当为笔记类型时加载附属数据
mDiffNoteValues = new ContentValues(); mDiffNoteValues = new ContentValues();
} }
/**
* 从ID加载笔记数据
*
* @param id 笔记ID
*/
private void loadFromCursor(long id) { private void loadFromCursor(long id) {
Cursor c = null; Cursor c = null;
try { try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)", c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
new String[] { new String[] {String.valueOf(id)}, null);
String.valueOf(id)
}, null);
if (c != null) { if (c != null) {
c.moveToNext(); c.moveToNext();
loadFromCursor(c); loadFromCursor(c);
@ -185,6 +174,11 @@ public class SqlNote {
} }
} }
/**
* 从游标加载笔记数据
*
* @param c 数据库游标
*/
private void loadFromCursor(Cursor c) { private void loadFromCursor(Cursor c) {
mId = c.getLong(ID_COLUMN); mId = c.getLong(ID_COLUMN);
mAlertDate = c.getLong(ALERTED_DATE_COLUMN); mAlertDate = c.getLong(ALERTED_DATE_COLUMN);
@ -200,14 +194,15 @@ public class SqlNote {
mVersion = c.getLong(VERSION_COLUMN); mVersion = c.getLong(VERSION_COLUMN);
} }
/**
* 加载笔记的附属数据
*/
private void loadDataContent() { private void loadDataContent() {
Cursor c = null; Cursor c = null;
mDataList.clear(); mDataList.clear();
try { try {
c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA, c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA,
"(note_id=?)", new String[] { "(note_id=?)", new String[] {String.valueOf(mId)}, null);
String.valueOf(mId)
}, null);
if (c != null) { if (c != null) {
if (c.getCount() == 0) { if (c.getCount() == 0) {
Log.w(TAG, "it seems that the note has not data"); Log.w(TAG, "it seems that the note has not data");
@ -226,22 +221,27 @@ public class SqlNote {
} }
} }
/**
* 从JSON对象设置笔记内容
* 比较新旧值，仅记录有变化的字段，实现增量更新
*
* @param js 包含笔记内容的JSON对象
* @return 设置是否成功
*/
public boolean setContent(JSONObject js) { public boolean setContent(JSONObject js) {
try { try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
Log.w(TAG, "cannot set system folder"); Log.w(TAG, "cannot set system folder");
} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
// for folder we can only update the snnipet and type // 文件夹只能更新名称和类型
String snippet = note.has(NoteColumns.SNIPPET) ? note String snippet = note.has(NoteColumns.SNIPPET) ? note.getString(NoteColumns.SNIPPET) : "";
.getString(NoteColumns.SNIPPET) : "";
if (mIsCreate || !mSnippet.equals(snippet)) { if (mIsCreate || !mSnippet.equals(snippet)) {
mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); mDiffNoteValues.put(NoteColumns.SNIPPET, snippet);
} }
mSnippet = snippet; mSnippet = snippet;
int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) : Notes.TYPE_NOTE;
: Notes.TYPE_NOTE;
if (mIsCreate || mType != type) { if (mIsCreate || mType != type) {
mDiffNoteValues.put(NoteColumns.TYPE, type); mDiffNoteValues.put(NoteColumns.TYPE, type);
} }
@ -254,57 +254,53 @@ public class SqlNote {
} }
mId = id; mId = id;
long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note // 以下为设置笔记各属性，仅当值变化时记录到mDiffNoteValues
.getLong(NoteColumns.ALERTED_DATE) : 0; long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note.getLong(NoteColumns.ALERTED_DATE) : 0;
if (mIsCreate || mAlertDate != alertDate) { if (mIsCreate || mAlertDate != alertDate) {
mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate); mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate);
} }
mAlertDate = alertDate; mAlertDate = alertDate;
int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note.getInt(NoteColumns.BG_COLOR_ID)
.getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext); : ResourceParser.getDefaultBgId(mContext);
if (mIsCreate || mBgColorId != bgColorId) { if (mIsCreate || mBgColorId != bgColorId) {
mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId); mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId);
} }
mBgColorId = bgColorId; mBgColorId = bgColorId;
long createDate = note.has(NoteColumns.CREATED_DATE) ? note long createDate = note.has(NoteColumns.CREATED_DATE) ? note.getLong(NoteColumns.CREATED_DATE)
.getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis(); : System.currentTimeMillis();
if (mIsCreate || mCreatedDate != createDate) { if (mIsCreate || mCreatedDate != createDate) {
mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate); mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate);
} }
mCreatedDate = createDate; mCreatedDate = createDate;
int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note.getInt(NoteColumns.HAS_ATTACHMENT) : 0;
.getInt(NoteColumns.HAS_ATTACHMENT) : 0;
if (mIsCreate || mHasAttachment != hasAttachment) { if (mIsCreate || mHasAttachment != hasAttachment) {
mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment); mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment);
} }
mHasAttachment = hasAttachment; mHasAttachment = hasAttachment;
long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note.getLong(NoteColumns.MODIFIED_DATE)
.getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis(); : System.currentTimeMillis();
if (mIsCreate || mModifiedDate != modifiedDate) { if (mIsCreate || mModifiedDate != modifiedDate) {
mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate); mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate);
} }
mModifiedDate = modifiedDate; mModifiedDate = modifiedDate;
long parentId = note.has(NoteColumns.PARENT_ID) ? note long parentId = note.has(NoteColumns.PARENT_ID) ? note.getLong(NoteColumns.PARENT_ID) : 0;
.getLong(NoteColumns.PARENT_ID) : 0;
if (mIsCreate || mParentId != parentId) { if (mIsCreate || mParentId != parentId) {
mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId); mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId);
} }
mParentId = parentId; mParentId = parentId;
String snippet = note.has(NoteColumns.SNIPPET) ? note String snippet = note.has(NoteColumns.SNIPPET) ? note.getString(NoteColumns.SNIPPET) : "";
.getString(NoteColumns.SNIPPET) : "";
if (mIsCreate || !mSnippet.equals(snippet)) { if (mIsCreate || !mSnippet.equals(snippet)) {
mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); mDiffNoteValues.put(NoteColumns.SNIPPET, snippet);
} }
mSnippet = snippet; mSnippet = snippet;
int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) : Notes.TYPE_NOTE;
: Notes.TYPE_NOTE;
if (mIsCreate || mType != type) { if (mIsCreate || mType != type) {
mDiffNoteValues.put(NoteColumns.TYPE, type); mDiffNoteValues.put(NoteColumns.TYPE, type);
} }
@ -317,20 +313,20 @@ public class SqlNote {
} }
mWidgetId = widgetId; mWidgetId = widgetId;
int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note.getInt(NoteColumns.WIDGET_TYPE)
.getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE; : Notes.TYPE_WIDGET_INVALIDE;
if (mIsCreate || mWidgetType != widgetType) { if (mIsCreate || mWidgetType != widgetType) {
mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType); mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType);
} }
mWidgetType = widgetType; mWidgetType = widgetType;
long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note.getLong(NoteColumns.ORIGIN_PARENT_ID) : 0;
.getLong(NoteColumns.ORIGIN_PARENT_ID) : 0;
if (mIsCreate || mOriginParent != originParent) { if (mIsCreate || mOriginParent != originParent) {
mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent); mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent);
} }
mOriginParent = originParent; mOriginParent = originParent;
// 处理附属数据
for (int i = 0; i < dataArray.length(); i++) { for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i); JSONObject data = dataArray.getJSONObject(i);
SqlData sqlData = null; SqlData sqlData = null;
@ -359,6 +355,11 @@ public class SqlNote {
return true; return true;
} }
/**
* 获取笔记内容的JSON表示
*
* @return 包含笔记内容的JSON对象
*/
public JSONObject getContent() { public JSONObject getContent() {
try { try {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
@ -370,6 +371,7 @@ public class SqlNote {
JSONObject note = new JSONObject(); JSONObject note = new JSONObject();
if (mType == Notes.TYPE_NOTE) { if (mType == Notes.TYPE_NOTE) {
// 构建普通笔记的JSON内容
note.put(NoteColumns.ID, mId); note.put(NoteColumns.ID, mId);
note.put(NoteColumns.ALERTED_DATE, mAlertDate); note.put(NoteColumns.ALERTED_DATE, mAlertDate);
note.put(NoteColumns.BG_COLOR_ID, mBgColorId); note.put(NoteColumns.BG_COLOR_ID, mBgColorId);
@ -384,6 +386,7 @@ public class SqlNote {
note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent); note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent);
js.put(GTaskStringUtils.META_HEAD_NOTE, note); js.put(GTaskStringUtils.META_HEAD_NOTE, note);
// 添加附属数据
JSONArray dataArray = new JSONArray(); JSONArray dataArray = new JSONArray();
for (SqlData sqlData : mDataList) { for (SqlData sqlData : mDataList) {
JSONObject data = sqlData.getContent(); JSONObject data = sqlData.getContent();
@ -393,6 +396,7 @@ public class SqlNote {
} }
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
} else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) { } else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) {
// 构建文件夹或系统文件夹的JSON内容
note.put(NoteColumns.ID, mId); note.put(NoteColumns.ID, mId);
note.put(NoteColumns.TYPE, mType); note.put(NoteColumns.TYPE, mType);
note.put(NoteColumns.SNIPPET, mSnippet); note.put(NoteColumns.SNIPPET, mSnippet);
@ -407,41 +411,86 @@ public class SqlNote {
return null; return null;
} }
/**
* 设置父文件夹ID
*
* @param id 父文件夹ID
*/
public void setParentId(long id) { public void setParentId(long id) {
mParentId = id; mParentId = id;
mDiffNoteValues.put(NoteColumns.PARENT_ID, id); mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
} }
/**
* 设置Google Tasks ID
*
* @param gid Google Tasks ID
*/
public void setGtaskId(String gid) { public void setGtaskId(String gid) {
mDiffNoteValues.put(NoteColumns.GTASK_ID, gid); mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
} }
/**
* 设置同步ID
*
* @param syncId 同步ID
*/
public void setSyncId(long syncId) { public void setSyncId(long syncId) {
mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId); mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
} }
/**
* 重置本地修改标识
*/
public void resetLocalModified() { public void resetLocalModified() {
mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
} }
/**
* 获取笔记ID
*
* @return 笔记ID
*/
public long getId() { public long getId() {
return mId; return mId;
} }
/**
* 获取父文件夹ID
*
* @return 父文件夹ID
*/
public long getParentId() { public long getParentId() {
return mParentId; return mParentId;
} }
/**
* 获取笔记摘要/文件夹名称
*
* @return 笔记摘要/文件夹名称
*/
public String getSnippet() { public String getSnippet() {
return mSnippet; return mSnippet;
} }
/**
* 判断是否为笔记类型
*
* @return true如果是笔记类型，false如果是文件夹或系统文件夹
*/
public boolean isNoteType() { public boolean isNoteType() {
return mType == Notes.TYPE_NOTE; return mType == Notes.TYPE_NOTE;
} }
/**
* 提交笔记变更到数据库
* 支持新建和更新操作，可选版本验证
*
* @param validateVersion 是否验证版本
*/
public void commit(boolean validateVersion) { public void commit(boolean validateVersion) {
if (mIsCreate) { if (mIsCreate) {
// 新建笔记
if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) { if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
mDiffNoteValues.remove(NoteColumns.ID); mDiffNoteValues.remove(NoteColumns.ID);
} }
@ -457,36 +506,37 @@ public class SqlNote {
throw new IllegalStateException("Create thread id failed"); throw new IllegalStateException("Create thread id failed");
} }
// 如果是笔记类型，提交附属数据
if (mType == Notes.TYPE_NOTE) { if (mType == Notes.TYPE_NOTE) {
for (SqlData sqlData : mDataList) { for (SqlData sqlData : mDataList) {
sqlData.commit(mId, false, -1); sqlData.commit(mId, false, -1);
} }
} }
} else { } else {
// 更新笔记
if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) { if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) {
Log.e(TAG, "No such note"); Log.e(TAG, "No such note");
throw new IllegalStateException("Try to update note with invalid id"); throw new IllegalStateException("Try to update note with invalid id");
} }
if (mDiffNoteValues.size() > 0) { if (mDiffNoteValues.size() > 0) {
mVersion ++; mVersion++;
int result = 0; int result = 0;
if (!validateVersion) { if (!validateVersion) {
// 不验证版本直接更新
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?)", new String[] { + NoteColumns.ID + "=?)", new String[] {String.valueOf(mId)});
String.valueOf(mId)
});
} else { } else {
// 验证版本后更新，确保数据未被其他进程修改
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)", + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
new String[] { new String[] {String.valueOf(mId), String.valueOf(mVersion)});
String.valueOf(mId), String.valueOf(mVersion)
});
} }
if (result == 0) { if (result == 0) {
Log.w(TAG, "there is no update. maybe user updates note when syncing"); Log.w(TAG, "there is no update. maybe user updates note when syncing");
} }
} }
// 如果是笔记类型，提交附属数据
if (mType == Notes.TYPE_NOTE) { if (mType == Notes.TYPE_NOTE) {
for (SqlData sqlData : mDataList) { for (SqlData sqlData : mDataList) {
sqlData.commit(mId, validateVersion, mVersion); sqlData.commit(mId, validateVersion, mVersion);
@ -494,7 +544,7 @@ public class SqlNote {
} }
} }
// refresh local info // 刷新本地数据
loadFromCursor(mId); loadFromCursor(mId);
if (mType == Notes.TYPE_NOTE) if (mType == Notes.TYPE_NOTE)
loadDataContent(); loadDataContent();

259
Notes-master/src/net/micode/notes/gtask/data/Task.java
Unescape View File

@ -2,16 +2,11 @@
* 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"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * 您可以在遵守License的前提下使用本文件
* You may obtain a copy of the License at * 具体License内容可查阅：http://www.apache.org/licenses/LICENSE-2.0
* *
* http://www.apache.org/licenses/LICENSE-2.0 * 软件按"原样"分发，不提供任何形式的明示或暗示的保证
* * 详见License中关于权限和限制的具体条款
* 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;
@ -31,20 +26,25 @@ import org.json.JSONArray;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
/**
* Google Tasks任务类
* 实现Node接口，代表Google Tasks中的任务实体
* 负责处理任务数据的序列化、同步逻辑及本地数据库映射
*/
public class Task extends Node { public class Task extends Node {
private static final String TAG = Task.class.getSimpleName(); private static final String TAG = Task.class.getSimpleName();
private boolean mCompleted; // 任务状态属性
private boolean mCompleted; // 任务完成状态标记
private String mNotes; private String mNotes; // 任务备注内容
private JSONObject mMetaInfo; // 任务元数据（包含同步信息）
private JSONObject mMetaInfo; private Task mPriorSibling; // 任务列表中的前一个兄弟任务
private TaskList mParent; // 所属的任务列表
private Task mPriorSibling;
private TaskList mParent;
/**
* 构造函数
* 初始化任务基础属性，继承自Node的ID、名称等字段
*/
public Task() { public Task() {
super(); super();
mCompleted = false; mCompleted = false;
@ -54,21 +54,27 @@ public class Task extends Node {
mMetaInfo = null; mMetaInfo = null;
} }
/**
* 生成创建任务的JSON请求体
* 用于向Google Tasks服务器发送创建任务的API请求
*
* @param actionId 操作唯一标识
* @return 符合Google Tasks API格式的JSON对象
* @throws ActionFailureException JSON构造失败时抛出
*/
public JSONObject getCreateAction(int actionId) { public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
try { try {
// action_type // 设置操作类型为创建
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
// 设置操作ID用于请求跟踪
// action_id
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// 设置任务在列表中的排序索引
// index
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this)); js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
// entity_delta // 构建任务实体数据
JSONObject entity = new JSONObject(); JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
@ -79,45 +85,44 @@ public class Task extends Node {
} }
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
// parent_id // 设置任务所属列表信息
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid()); js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
// dest_parent_type
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP); GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
// list_id
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid()); js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
// prior_sibling_id // 设置任务排序关联（前一个兄弟任务）
if (mPriorSibling != null) { if (mPriorSibling != null) {
js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid()); js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
} }
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, "创建任务JSON构造失败", e);
e.printStackTrace();
throw new ActionFailureException("fail to generate task-create jsonobject"); throw new ActionFailureException("fail to generate task-create jsonobject");
} }
return js; return js;
} }
/**
* 生成更新任务的JSON请求体
* 用于向Google Tasks服务器发送更新任务的API请求
*
* @param actionId 操作唯一标识
* @return 符合Google Tasks API格式的JSON对象
* @throws ActionFailureException JSON构造失败时抛出
*/
public JSONObject getUpdateAction(int actionId) { public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
try { try {
// action_type // 设置操作类型为更新
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
// action_id
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); // 设置任务ID
// id // 构建更新的任务实体数据
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
// entity_delta
JSONObject entity = new JSONObject(); JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
if (getNotes() != null) { if (getNotes() != null) {
@ -127,69 +132,61 @@ public class Task extends Node {
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, "更新任务JSON构造失败", e);
e.printStackTrace();
throw new ActionFailureException("fail to generate task-update jsonobject"); throw new ActionFailureException("fail to generate task-update jsonobject");
} }
return js; return js;
} }
/**
* 从远程JSON数据解析任务内容
* 处理Google Tasks服务器返回的任务数据
*
* @param js 服务器返回的JSON数据
* @throws ActionFailureException 解析失败时抛出
*/
public void setContentByRemoteJSON(JSONObject js) { public void setContentByRemoteJSON(JSONObject js) {
if (js != null) { if (js != null) {
try { try {
// id // 解析基础属性
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { if (js.has(GTaskStringUtils.GTASK_JSON_ID)) setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED))
}
// last_modified
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
} if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
// name if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
}
// notes
if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
}
// deleted
if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
}
// completed
if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
}
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, "远程任务数据解析失败", e);
e.printStackTrace();
throw new ActionFailureException("fail to get task content from jsonobject"); throw new ActionFailureException("fail to get task content from jsonobject");
} }
} }
} }
/**
* 从本地JSON数据解析任务内容
* 处理本地数据库存储的任务数据
*
* @param js 本地存储的JSON数据
*/
public void setContentByLocalJSON(JSONObject js) { public void setContentByLocalJSON(JSONObject js) {
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE) if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE) || !js.has(GTaskStringUtils.META_HEAD_DATA)) {
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) { Log.w(TAG, "本地任务数据格式无效");
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); return;
} }
try { try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
// 验证任务类型（必须为普通笔记类型）
if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) { if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) {
Log.e(TAG, "invalid type"); Log.e(TAG, "无效的任务类型");
return; return;
} }
// 从附属数据中提取任务名称
for (int i = 0; i < dataArray.length(); i++) { for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i); JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) { if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
@ -199,21 +196,27 @@ public class Task extends Node {
} }
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, "本地任务数据解析失败", e);
e.printStackTrace();
} }
} }
/**
* 生成本地存储的JSON数据
* 将任务数据转换为本地数据库存储的格式
*
* @return 本地存储格式的JSON对象
*/
public JSONObject getLocalJSONFromContent() { public JSONObject getLocalJSONFromContent() {
String name = getName(); String name = getName();
try { try {
if (mMetaInfo == null) { if (mMetaInfo == null) {
// new task created from web // 处理新创建的任务（无元数据）
if (name == null) { if (name == null) {
Log.w(TAG, "the note seems to be an empty one"); Log.w(TAG, "空任务无法存储");
return null; return null;
} }
// 构建基础JSON结构
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
JSONObject note = new JSONObject(); JSONObject note = new JSONObject();
JSONArray dataArray = new JSONArray(); JSONArray dataArray = new JSONArray();
@ -225,14 +228,15 @@ public class Task extends Node {
js.put(GTaskStringUtils.META_HEAD_NOTE, note); js.put(GTaskStringUtils.META_HEAD_NOTE, note);
return js; return js;
} else { } else {
// synced task // 处理已同步的任务（更新元数据）
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA); JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
// 更新任务名称到附属数据
for (int i = 0; i < dataArray.length(); i++) { for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i); JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) { if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
data.put(DataColumns.CONTENT, getName()); data.put(DataColumns.CONTENT, name);
break; break;
} }
} }
@ -241,23 +245,34 @@ public class Task extends Node {
return mMetaInfo; return mMetaInfo;
} }
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, "本地任务数据生成失败", e);
e.printStackTrace();
return null; return null;
} }
} }
/**
* 从MetaData对象加载元数据
*
* @param metaData 包含元数据的对象
*/
public void setMetaInfo(MetaData metaData) { public void setMetaInfo(MetaData metaData) {
if (metaData != null && metaData.getNotes() != null) { if (metaData != null && metaData.getNotes() != null) {
try { try {
mMetaInfo = new JSONObject(metaData.getNotes()); mMetaInfo = new JSONObject(metaData.getNotes());
} catch (JSONException e) { } catch (JSONException e) {
Log.w(TAG, e.toString()); Log.w(TAG, "元数据解析失败", e);
mMetaInfo = null; mMetaInfo = null;
} }
} }
} }
/**
* 确定任务同步操作类型
* 根据本地数据库与远程数据的差异判断同步策略
*
* @param c 本地数据库游标（包含任务记录）
* @return 同步操作类型常量（如新增、更新、冲突等）
*/
public int getSyncAction(Cursor c) { public int getSyncAction(Cursor c) {
try { try {
JSONObject noteInfo = null; JSONObject noteInfo = null;
@ -265,87 +280,123 @@ public class Task extends Node {
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
} }
// 元数据异常处理
if (noteInfo == null) { if (noteInfo == null) {
Log.w(TAG, "it seems that note meta has been deleted"); Log.w(TAG, "任务元数据已删除，执行远程更新");
return SYNC_ACTION_UPDATE_REMOTE; return SYNC_ACTION_UPDATE_REMOTE;
} }
if (!noteInfo.has(NoteColumns.ID)) { if (!noteInfo.has(NoteColumns.ID)) {
Log.w(TAG, "remote note id seems to be deleted"); Log.w(TAG, "远程任务ID缺失，执行本地更新");
return SYNC_ACTION_UPDATE_LOCAL; return SYNC_ACTION_UPDATE_LOCAL;
} }
// validate the note id now // 验证本地与远程笔记ID一致性
if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) { if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
Log.w(TAG, "note id doesn't match"); Log.w(TAG, "本地与远程笔记ID不匹配，执行本地更新");
return SYNC_ACTION_UPDATE_LOCAL; return SYNC_ACTION_UPDATE_LOCAL;
} }
// 同步状态判断逻辑
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
// there is no local update // 本地无修改时的同步策略
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// no update both side return SYNC_ACTION_NONE; // 无变更
return SYNC_ACTION_NONE;
} else { } else {
// apply remote to local return SYNC_ACTION_UPDATE_LOCAL; // 应用远程更新
return SYNC_ACTION_UPDATE_LOCAL;
} }
} else { } else {
// validate gtask id // 本地有修改时的同步策略
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
Log.e(TAG, "gtask id doesn't match"); Log.e(TAG, "Google Tasks ID不匹配，同步错误");
return SYNC_ACTION_ERROR; return SYNC_ACTION_ERROR;
} }
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// local modification only return SYNC_ACTION_UPDATE_REMOTE; // 提交本地修改
return SYNC_ACTION_UPDATE_REMOTE;
} else { } else {
return SYNC_ACTION_UPDATE_CONFLICT; return SYNC_ACTION_UPDATE_CONFLICT; // 同步冲突
} }
} }
} catch (Exception e) { } catch (Exception e) {
Log.e(TAG, e.toString()); Log.e(TAG, "同步操作类型判断失败", e);
e.printStackTrace();
} }
return SYNC_ACTION_ERROR; return SYNC_ACTION_ERROR;
} }
/**
* 判断任务是否需要保存
* 当任务包含有效数据时返回true
*
* @return 保存必要性标记
*/
public boolean isWorthSaving() { public boolean isWorthSaving() {
return mMetaInfo != null || (getName() != null && getName().trim().length() > 0) return mMetaInfo != null
|| (getName() != null && getName().trim().length() > 0)
|| (getNotes() != null && getNotes().trim().length() > 0); || (getNotes() != null && getNotes().trim().length() > 0);
} }
// 以下为属性访问器和修改器（带注释说明）
/**
* 设置任务完成状态
* @param completed 完成状态（true为已完成）
*/
public void setCompleted(boolean completed) { public void setCompleted(boolean completed) {
this.mCompleted = completed; this.mCompleted = completed;
} }
/**
* 设置任务备注
* @param notes 备注内容
*/
public void setNotes(String notes) { public void setNotes(String notes) {
this.mNotes = notes; this.mNotes = notes;
} }
/**
* 设置前一个兄弟任务（用于排序）
* @param priorSibling 前一个任务实例
*/
public void setPriorSibling(Task priorSibling) { public void setPriorSibling(Task priorSibling) {
this.mPriorSibling = priorSibling; this.mPriorSibling = priorSibling;
} }
/**
* 设置所属任务列表
* @param parent 任务列表实例
*/
public void setParent(TaskList parent) { public void setParent(TaskList parent) {
this.mParent = parent; this.mParent = parent;
} }
/**
* 获取任务完成状态
* @return 完成状态（true为已完成）
*/
public boolean getCompleted() { public boolean getCompleted() {
return this.mCompleted; return this.mCompleted;
} }
/**
* 获取任务备注
* @return 备注内容
*/
public String getNotes() { public String getNotes() {
return this.mNotes; return this.mNotes;
} }
/**
* 获取前一个兄弟任务
* @return 前一个任务实例
*/
public Task getPriorSibling() { public Task getPriorSibling() {
return this.mPriorSibling; return this.mPriorSibling;
} }
/**
* 获取所属任务列表
* @return 任务列表实例
*/
public TaskList getParent() { public TaskList getParent() {
return this.mParent; return this.mParent;
} }
} }

189
Notes-master/src/net/micode/notes/gtask/data/TaskList.java
Unescape View File

@ -2,16 +2,11 @@
* 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"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * 您可以在遵守License的前提下使用本文件
* You may obtain a copy of the License at * 具体License内容可查阅：http://www.apache.org/licenses/LICENSE-2.0
* *
* http://www.apache.org/licenses/LICENSE-2.0 * 软件按"原样"分发，不提供任何形式的明示或暗示的保证
* * 详见License中关于权限和限制的具体条款
* 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;
@ -29,35 +24,49 @@ import org.json.JSONObject;
import java.util.ArrayList; import java.util.ArrayList;
/**
* Google Tasks任务列表类
* 表示一个任务列表，包含多个子任务
* 负责处理任务列表与Google Tasks服务之间的数据交互和同步
*/
public class TaskList extends Node { public class TaskList extends Node {
private static final String TAG = TaskList.class.getSimpleName(); private static final String TAG = TaskList.class.getSimpleName();
private int mIndex; private int mIndex; // 任务列表在Google Tasks中的排序索引
private ArrayList<Task> mChildren; // 子任务列表
private ArrayList<Task> mChildren;
/**
* 构造函数
* 初始化任务列表的基本属性
*/
public TaskList() { public TaskList() {
super(); super();
mChildren = new ArrayList<Task>(); mChildren = new ArrayList<Task>();
mIndex = 1; mIndex = 1; // 默认索引为1
} }
/**
* 生成创建任务列表的JSON操作对象
* 用于向Google Tasks服务器发送创建任务列表请求
*
* @param actionId 操作ID
* @return 包含创建任务列表信息的JSON对象
*/
public JSONObject getCreateAction(int actionId) { public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
try { try {
// action_type // 设置操作类型为创建
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
// action_id // 设置操作ID
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// index // 设置任务列表索引
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex); js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex);
// entity_delta // 设置任务列表实体信息
JSONObject entity = new JSONObject(); JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
@ -74,21 +83,28 @@ public class TaskList extends Node {
return js; return js;
} }
/**
* 生成更新任务列表的JSON操作对象
* 用于向Google Tasks服务器发送更新任务列表请求
*
* @param actionId 操作ID
* @return 包含更新任务列表信息的JSON对象
*/
public JSONObject getUpdateAction(int actionId) { public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
try { try {
// action_type // 设置操作类型为更新
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
// action_id // 设置操作ID
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// id // 设置任务列表ID
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
// entity_delta // 设置任务列表实体更新信息
JSONObject entity = new JSONObject(); JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
@ -103,20 +119,26 @@ public class TaskList extends Node {
return js; return js;
} }
/**
* 从远程JSON数据设置任务列表内容
* 解析从Google Tasks服务器获取的JSON数据，设置任务列表属性
*
* @param js 包含远程任务列表数据的JSON对象
*/
public void setContentByRemoteJSON(JSONObject js) { public void setContentByRemoteJSON(JSONObject js) {
if (js != null) { if (js != null) {
try { try {
// id // 从JSON中提取并设置任务列表ID
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
} }
// last_modified // 从JSON中提取并设置最后修改时间
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
} }
// name // 从JSON中提取并设置任务列表名称
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
} }
@ -129,6 +151,12 @@ public class TaskList extends Node {
} }
} }
/**
* 从本地JSON数据设置任务列表内容
* 解析本地存储的JSON数据，设置任务列表属性
*
* @param js 包含本地任务列表数据的JSON对象
*/
public void setContentByLocalJSON(JSONObject js) { public void setContentByLocalJSON(JSONObject js) {
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) { if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) {
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
@ -137,10 +165,12 @@ public class TaskList extends Node {
try { try {
JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
// 根据本地文件夹类型设置任务列表名称
if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
String name = folder.getString(NoteColumns.SNIPPET); String name = folder.getString(NoteColumns.SNIPPET);
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name); setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name);
} else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { } else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
// 系统文件夹处理
if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER) if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER)
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT); setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT);
else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER) else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER)
@ -157,15 +187,24 @@ public class TaskList extends Node {
} }
} }
/**
* 从任务列表内容生成本地JSON数据
* 将任务列表属性转换为本地存储的JSON格式
*
* @return 包含任务列表内容的JSON对象
*/
public JSONObject getLocalJSONFromContent() { public JSONObject getLocalJSONFromContent() {
try { try {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
JSONObject folder = new JSONObject(); JSONObject folder = new JSONObject();
// 处理任务列表名称，去除前缀
String folderName = getName(); String folderName = getName();
if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)) if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX))
folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(), folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(),
folderName.length()); folderName.length());
// 设置文件夹名称和类型
folder.put(NoteColumns.SNIPPET, folderName); folder.put(NoteColumns.SNIPPET, folderName);
if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT) if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT)
|| folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE)) || folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE))
@ -183,28 +222,35 @@ public class TaskList extends Node {
} }
} }
/**
* 获取同步操作类型
* 根据本地数据库和远程数据的比较结果，确定需要执行的同步操作
*
* @param c 包含本地数据的数据库游标
* @return 同步操作类型常量
*/
public int getSyncAction(Cursor c) { public int getSyncAction(Cursor c) {
try { try {
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
// there is no local update // 本地没有更新
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// no update both side // 两边都没有更新
return SYNC_ACTION_NONE; return SYNC_ACTION_NONE;
} else { } else {
// apply remote to local // 应用远程更新到本地
return SYNC_ACTION_UPDATE_LOCAL; return SYNC_ACTION_UPDATE_LOCAL;
} }
} else { } else {
// validate gtask id // 验证Google Tasks ID
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
Log.e(TAG, "gtask id doesn't match"); Log.e(TAG, "gtask id doesn't match");
return SYNC_ACTION_ERROR; return SYNC_ACTION_ERROR;
} }
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// local modification only // 只有本地修改
return SYNC_ACTION_UPDATE_REMOTE; return SYNC_ACTION_UPDATE_REMOTE;
} else { } else {
// for folder conflicts, just apply local modification // 对于文件夹冲突，直接应用本地修改
return SYNC_ACTION_UPDATE_REMOTE; return SYNC_ACTION_UPDATE_REMOTE;
} }
} }
@ -216,16 +262,27 @@ public class TaskList extends Node {
return SYNC_ACTION_ERROR; return SYNC_ACTION_ERROR;
} }
/**
* 获取子任务数量
*
* @return 子任务数量
*/
public int getChildTaskCount() { public int getChildTaskCount() {
return mChildren.size(); return mChildren.size();
} }
/**
* 添加子任务到任务列表末尾
*
* @param task 要添加的任务
* @return 添加成功返回true，否则返回false
*/
public boolean addChildTask(Task task) { public boolean addChildTask(Task task) {
boolean ret = false; boolean ret = false;
if (task != null && !mChildren.contains(task)) { if (task != null && !mChildren.contains(task)) {
ret = mChildren.add(task); ret = mChildren.add(task);
if (ret) { if (ret) {
// need to set prior sibling and parent // 设置任务的前一个兄弟任务和父任务列表
task.setPriorSibling(mChildren.isEmpty() ? null : mChildren task.setPriorSibling(mChildren.isEmpty() ? null : mChildren
.get(mChildren.size() - 1)); .get(mChildren.size() - 1));
task.setParent(this); task.setParent(this);
@ -234,6 +291,13 @@ public class TaskList extends Node {
return ret; return ret;
} }
/**
* 添加子任务到指定位置
*
* @param task 要添加的任务
* @param index 指定位置索引
* @return 添加成功返回true，否则返回false
*/
public boolean addChildTask(Task task, int index) { public boolean addChildTask(Task task, int index) {
if (index < 0 || index > mChildren.size()) { if (index < 0 || index > mChildren.size()) {
Log.e(TAG, "add child task: invalid index"); Log.e(TAG, "add child task: invalid index");
@ -244,7 +308,7 @@ public class TaskList extends Node {
if (task != null && pos == -1) { if (task != null && pos == -1) {
mChildren.add(index, task); mChildren.add(index, task);
// update the task list // 更新任务列表中的兄弟关系
Task preTask = null; Task preTask = null;
Task afterTask = null; Task afterTask = null;
if (index != 0) if (index != 0)
@ -260,6 +324,12 @@ public class TaskList extends Node {
return true; return true;
} }
/**
* 从任务列表中移除子任务
*
* @param task 要移除的任务
* @return 移除成功返回true，否则返回false
*/
public boolean removeChildTask(Task task) { public boolean removeChildTask(Task task) {
boolean ret = false; boolean ret = false;
int index = mChildren.indexOf(task); int index = mChildren.indexOf(task);
@ -267,11 +337,11 @@ public class TaskList extends Node {
ret = mChildren.remove(task); ret = mChildren.remove(task);
if (ret) { if (ret) {
// reset prior sibling and parent // 重置任务的前一个兄弟任务和父任务列表
task.setPriorSibling(null); task.setPriorSibling(null);
task.setParent(null); task.setParent(null);
// update the task list // 更新任务列表中的兄弟关系
if (index != mChildren.size()) { if (index != mChildren.size()) {
mChildren.get(index).setPriorSibling( mChildren.get(index).setPriorSibling(
index == 0 ? null : mChildren.get(index - 1)); index == 0 ? null : mChildren.get(index - 1));
@ -281,8 +351,14 @@ public class TaskList extends Node {
return ret; return ret;
} }
/**
* 移动子任务到指定位置
*
* @param task 要移动的任务
* @param index 指定位置索引
* @return 移动成功返回true，否则返回false
*/
public boolean moveChildTask(Task task, int index) { public boolean moveChildTask(Task task, int index) {
if (index < 0 || index >= mChildren.size()) { if (index < 0 || index >= mChildren.size()) {
Log.e(TAG, "move child task: invalid index"); Log.e(TAG, "move child task: invalid index");
return false; return false;
@ -296,9 +372,17 @@ public class TaskList extends Node {
if (pos == index) if (pos == index)
return true; return true;
// 先移除再添加，更新任务顺序
return (removeChildTask(task) && addChildTask(task, index)); return (removeChildTask(task) && addChildTask(task, index));
} }
/**
* 根据GID查找子任务
*
* @param gid 任务的GID
* @return 找到的任务，未找到返回null
*/
public Task findChildTaskByGid(String gid) { public Task findChildTaskByGid(String gid) {
for (int i = 0; i < mChildren.size(); i++) { for (int i = 0; i < mChildren.size(); i++) {
Task t = mChildren.get(i); Task t = mChildren.get(i);
@ -309,10 +393,22 @@ public class TaskList extends Node {
return null; return null;
} }
/**
* 获取子任务在列表中的索引位置
*
* @param task 要查找的任务
* @return 任务的索引位置，未找到返回-1
*/
public int getChildTaskIndex(Task task) { public int getChildTaskIndex(Task task) {
return mChildren.indexOf(task); return mChildren.indexOf(task);
} }
/**
* 根据索引获取子任务
*
* @param index 索引位置
* @return 指定位置的任务，索引无效返回null
*/
public Task getChildTaskByIndex(int index) { public Task getChildTaskByIndex(int index) {
if (index < 0 || index >= mChildren.size()) { if (index < 0 || index >= mChildren.size()) {
Log.e(TAG, "getTaskByIndex: invalid index"); Log.e(TAG, "getTaskByIndex: invalid index");
@ -321,6 +417,12 @@ public class TaskList extends Node {
return mChildren.get(index); return mChildren.get(index);
} }
/**
* 根据GID获取子任务
*
* @param gid 任务的GID
* @return 找到的任务，未找到返回null
*/
public Task getChilTaskByGid(String gid) { public Task getChilTaskByGid(String gid) {
for (Task task : mChildren) { for (Task task : mChildren) {
if (task.getGid().equals(gid)) if (task.getGid().equals(gid))
@ -329,14 +431,29 @@ public class TaskList extends Node {
return null; return null;
} }
/**
* 获取所有子任务列表
*
* @return 子任务列表
*/
public ArrayList<Task> getChildTaskList() { public ArrayList<Task> getChildTaskList() {
return this.mChildren; return this.mChildren;
} }
/**
* 设置任务列表索引
*
* @param index 索引值
*/
public void setIndex(int index) { public void setIndex(int index) {
this.mIndex = index; this.mIndex = index;
} }
/**
* 获取任务列表索引
*
* @return 索引值
*/
public int getIndex() { public int getIndex() {
return this.mIndex; return this.mIndex;
} }

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