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@ -122,105 +122,173 @@ public class SqlNote {
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private ArrayList<SqlData> mDataList;
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// 构造函数，初始化SqlNote对象
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public SqlNote(Context context) {
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// 保存上下文
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mContext = context;
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// 获取ContentResolver
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mContentResolver = context.getContentResolver();
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// 标记为创建
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mIsCreate = true;
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// 初始化ID为无效ID
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mId = INVALID_ID;
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// 初始化提醒日期为0
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mAlertDate = 0;
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// 获取默认背景颜色ID
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mBgColorId = ResourceParser.getDefaultBgId(context);
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// 获取当前时间作为创建日期
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mCreatedDate = System.currentTimeMillis();
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// 初始化是否有附件为0
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mHasAttachment = 0;
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// 获取当前时间作为修改日期
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mModifiedDate = System.currentTimeMillis();
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// 初始化父ID为0
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mParentId = 0;
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// 初始化片段为空字符串
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mSnippet = "";
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// 初始化类型为笔记
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mType = Notes.TYPE_NOTE;
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// 初始化小部件ID为无效ID
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mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
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// 初始化小部件类型为无效类型
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mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
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// 初始化原始父ID为0
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mOriginParent = 0;
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// 初始化版本号为0
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mVersion = 0;
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// 初始化ContentValues对象
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mDiffNoteValues = new ContentValues();
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// 初始化数据列表
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mDataList = new ArrayList<SqlData>();
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}
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// 构造函数，用于从Cursor中加载SqlNote对象
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public SqlNote(Context context, Cursor c) {
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// 保存上下文
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mContext = context;
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// 获取ContentResolver
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mContentResolver = context.getContentResolver();
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// 标记为未创建
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mIsCreate = false;
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// 从Cursor中加载SqlNote对象
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loadFromCursor(c);
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// 初始化数据列表
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mDataList = new ArrayList<SqlData>();
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// 如果类型为Notes.TYPE_NOTE，则加载内容
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if (mType == Notes.TYPE_NOTE)
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loadDataContent();
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// 初始化ContentValues
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mDiffNoteValues = new ContentValues();
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}
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// 构造函数，传入上下文和id
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public SqlNote(Context context, long id) {
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// 保存上下文
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mContext = context;
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// 获取内容解析器
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mContentResolver = context.getContentResolver();
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// 标记为未创建
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mIsCreate = false;
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// 从游标中加载
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loadFromCursor(id);
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// 创建数据列表
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mDataList = new ArrayList<SqlData>();
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// 如果类型为笔记，则加载内容
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if (mType == Notes.TYPE_NOTE)
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loadDataContent();
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// 创建内容值
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mDiffNoteValues = new ContentValues();
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}
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// 从游标中加载数据
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private void loadFromCursor(long id) {
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// 声明游标变量
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Cursor c = null;
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try {
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// 从ContentResolver中查询数据
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c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
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new String[] {
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String.valueOf(id)
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}, null);
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// 如果游标不为空
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if (c != null) {
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// 将游标移动到下一行
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c.moveToNext();
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// 从游标中加载数据
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loadFromCursor(c);
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} else {
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// 如果游标为空，则输出警告日志
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Log.w(TAG, "loadFromCursor: cursor = null");
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}
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} finally {
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// 关闭游标
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if (c != null)
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c.close();
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}
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}
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// 从游标中加载数据
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private void loadFromCursor(Cursor c) {
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// 获取ID
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mId = c.getLong(ID_COLUMN);
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// 获取提醒日期
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mAlertDate = c.getLong(ALERTED_DATE_COLUMN);
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// 获取背景颜色ID
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mBgColorId = c.getInt(BG_COLOR_ID_COLUMN);
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// 获取创建日期
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mCreatedDate = c.getLong(CREATED_DATE_COLUMN);
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// 获取是否有附件
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mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN);
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// 获取修改日期
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mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN);
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// 获取父ID
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mParentId = c.getLong(PARENT_ID_COLUMN);
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// 获取片段
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mSnippet = c.getString(SNIPPET_COLUMN);
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// 获取类型
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mType = c.getInt(TYPE_COLUMN);
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// 获取小部件ID
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mWidgetId = c.getInt(WIDGET_ID_COLUMN);
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// 获取小部件类型
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mWidgetType = c.getInt(WIDGET_TYPE_COLUMN);
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// 获取版本
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mVersion = c.getLong(VERSION_COLUMN);
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}
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// 加载数据内容
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private void loadDataContent() {
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// 声明游标
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Cursor c = null;
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// 清空数据列表
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mDataList.clear();
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try {
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// 查询数据
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c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA,
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"(note_id=?)", new String[] {
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String.valueOf(mId)
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}, null);
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// 如果游标不为空
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if (c != null) {
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// 如果游标中没有数据
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if (c.getCount() == 0) {
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// 打印警告日志
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Log.w(TAG, "it seems that the note has not data");
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return;
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}
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// 遍历游标
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while (c.moveToNext()) {
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// 创建SqlData对象
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SqlData data = new SqlData(mContext, c);
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// 将数据添加到数据列表中
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mDataList.add(data);
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}
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} else {
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// 打印警告日志
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Log.w(TAG, "loadDataContent: cursor = null");
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}
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} finally {
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// 关闭游标
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if (c != null)
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c.close();
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}
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@ -228,7 +296,9 @@ public class SqlNote {
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public boolean setContent(JSONObject js) {
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try {
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// 获取note对象
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JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
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// 如果note的类型是系统文件夹，则不能设置
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if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
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Log.w(TAG, "cannot set system folder");
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} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
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@ -359,51 +429,82 @@ public class SqlNote {
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return true;
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}
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// 获取内容
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public JSONObject getContent() {
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try {
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// 创建一个JSONObject对象
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JSONObject js = new JSONObject();
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// 如果mIsCreate为true，说明还没有在数据库中创建
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if (mIsCreate) {
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Log.e(TAG, "it seems that we haven't created this in database yet");
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return null;
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}
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// 创建一个JSONObject对象
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JSONObject note = new JSONObject();
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// 如果mType为Notes.TYPE_NOTE
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if (mType == Notes.TYPE_NOTE) {
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// 将mId放入note中
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note.put(NoteColumns.ID, mId);
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// 将mAlertDate放入note中
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note.put(NoteColumns.ALERTED_DATE, mAlertDate);
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// 将mBgColorId放入note中
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note.put(NoteColumns.BG_COLOR_ID, mBgColorId);
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// 将mCreatedDate放入note中
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note.put(NoteColumns.CREATED_DATE, mCreatedDate);
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// 将mHasAttachment放入note中
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note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment);
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// 将mModifiedDate放入note中
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note.put(NoteColumns.MODIFIED_DATE, mModifiedDate);
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// 将mParentId放入note中
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note.put(NoteColumns.PARENT_ID, mParentId);
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// 将mSnippet放入note中
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note.put(NoteColumns.SNIPPET, mSnippet);
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// 将mType放入note中
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note.put(NoteColumns.TYPE, mType);
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// 将mWidgetId放入note中
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note.put(NoteColumns.WIDGET_ID, mWidgetId);
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// 将mWidgetType放入note中
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note.put(NoteColumns.WIDGET_TYPE, mWidgetType);
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// 将mOriginParent放入note中
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note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent);
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// 将note放入js中
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js.put(GTaskStringUtils.META_HEAD_NOTE, note);
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// 创建一个JSONArray对象
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JSONArray dataArray = new JSONArray();
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// 遍历mDataList
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for (SqlData sqlData : mDataList) {
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// 获取sqlData的内容
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JSONObject data = sqlData.getContent();
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// 如果data不为空
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if (data != null) {
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// 将data放入dataArray中
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dataArray.put(data);
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}
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}
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// 将dataArray放入js中
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js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
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// 如果mType为Notes.TYPE_FOLDER或Notes.TYPE_SYSTEM
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} else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) {
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// 将mId放入note中
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note.put(NoteColumns.ID, mId);
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// 将mType放入note中
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note.put(NoteColumns.TYPE, mType);
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// 将mSnippet放入note中
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note.put(NoteColumns.SNIPPET, mSnippet);
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// 将note放入js中
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js.put(GTaskStringUtils.META_HEAD_NOTE, note);
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}
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// 返回js
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return js;
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} catch (JSONException e) {
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Log.e(TAG, e.toString());
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e.printStackTrace();
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}
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// 返回null
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return null;
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}
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@ -441,53 +542,72 @@ public class SqlNote {
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}
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public void commit(boolean validateVersion) {
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// 如果是创建
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if (mIsCreate) {
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// 如果id为无效id且mDiffNoteValues中包含NoteColumns.ID
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if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
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// 从mDiffNoteValues中移除NoteColumns.ID
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mDiffNoteValues.remove(NoteColumns.ID);
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}
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// 插入数据到Notes.CONTENT_NOTE_URI，返回uri
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Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues);
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try {
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// 从uri中获取id
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mId = Long.valueOf(uri.getPathSegments().get(1));
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} catch (NumberFormatException e) {
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// 如果获取id失败，打印错误日志，抛出ActionFailureException
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Log.e(TAG, "Get note id error :" + e.toString());
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throw new ActionFailureException("create note failed");
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}
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// 如果id为0，抛出IllegalStateException
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if (mId == 0) {
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throw new IllegalStateException("Create thread id failed");
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}
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// 如果类型为Notes.TYPE_NOTE
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if (mType == Notes.TYPE_NOTE) {
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// 遍历mDataList，调用commit方法
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for (SqlData sqlData : mDataList) {
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sqlData.commit(mId, false, -1);
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}
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}
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} else {
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// 如果id小于等于0且id不是Notes.ID_ROOT_FOLDER和Notes.ID_CALL_RECORD_FOLDER
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if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) {
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// 打印错误日志，抛出IllegalStateException
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Log.e(TAG, "No such note");
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throw new IllegalStateException("Try to update note with invalid id");
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}
|
|
|
|
|
// 如果mDiffNoteValues不为空
|
|
|
|
|
if (mDiffNoteValues.size() > 0) {
|
|
|
|
|
// 版本号加1
|
|
|
|
|
mVersion ++;
|
|
|
|
|
int result = 0;
|
|
|
|
|
// 如果不验证版本号
|
|
|
|
|
if (!validateVersion) {
|
|
|
|
|
// 更新数据
|
|
|
|
|
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
|
|
|
|
|
+ NoteColumns.ID + "=?)", new String[] {
|
|
|
|
|
String.valueOf(mId)
|
|
|
|
|
});
|
|
|
|
|
} else {
|
|
|
|
|
// 更新数据，验证版本号
|
|
|
|
|
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
|
|
|
|
|
+ NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
|
|
|
|
|
new String[] {
|
|
|
|
|
String.valueOf(mId), String.valueOf(mVersion)
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
// 如果没有更新，打印警告日志
|
|
|
|
|
if (result == 0) {
|
|
|
|
|
Log.w(TAG, "there is no update. maybe user updates note when syncing");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 如果类型为Notes.TYPE_NOTE
|
|
|
|
|
if (mType == Notes.TYPE_NOTE) {
|
|
|
|
|
// 遍历mDataList，调用commit方法
|
|
|
|
|
for (SqlData sqlData : mDataList) {
|
|
|
|
|
sqlData.commit(mId, validateVersion, mVersion);
|
|
|
|
|
}
|
|
|
|
|
|
