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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.model;
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import android.appwidget.AppWidgetManager;
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import android.content.ContentUris;
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import android.content.Context;
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import android.database.Cursor;
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import android.text.TextUtils;
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import android.util.Log;
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import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.CallNote;
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import net.micode.notes.data.Notes.DataColumns;
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import net.micode.notes.data.Notes.DataConstants;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.data.Notes.TextNote;
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import net.micode.notes.tool.ResourceParser.NoteBgResources;
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/**
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* 工作笔记实体类，处理笔记的核心业务逻辑
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* 主要功能包括：
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* 1. 创建新笔记/加载已有笔记
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* 2. 管理笔记元数据（颜色、提醒时间等）
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* 3. 处理笔记内容（文本/清单模式）
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* 4. 与小部件交互
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* 5. 数据持久化操作
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*/
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public class WorkingNote {
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// 核心笔记对象
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private Note mNote;
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// 笔记数据库ID（0表示新笔记）
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private long mNoteId;
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// 笔记文本内容
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private String mContent;
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// 笔记模式（普通模式/清单模式）
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private int mMode;
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// 提醒时间（0表示未设置）
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private long mAlertDate;
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// 最后修改时间
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private long mModifiedDate;
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// 背景颜色资源ID
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private int mBgColorId;
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// 关联小部件ID
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private int mWidgetId;
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// 小部件类型
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private int mWidgetType;
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// 所属文件夹ID
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private long mFolderId;
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// 上下文对象
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private Context mContext;
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// 日志标签
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private static final String TAG = "WorkingNote";
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// 删除标记
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private boolean mIsDeleted;
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// 设置变更监听器
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private NoteSettingChangedListener mNoteSettingStatusListener;
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// 数据表查询字段
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public static final String[] DATA_PROJECTION = new String[] {
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DataColumns.ID,
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DataColumns.CONTENT,
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DataColumns.MIME_TYPE,
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DataColumns.DATA1,
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DataColumns.DATA2,
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DataColumns.DATA3,
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DataColumns.DATA4,
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};
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// 笔记表查询字段
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public static final String[] NOTE_PROJECTION = new String[] {
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NoteColumns.PARENT_ID,
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NoteColumns.ALERTED_DATE,
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NoteColumns.BG_COLOR_ID,
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NoteColumns.WIDGET_ID,
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NoteColumns.WIDGET_TYPE,
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NoteColumns.MODIFIED_DATE
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};
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// 数据表字段索引
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private static final int DATA_ID_COLUMN = 0;
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private static final int DATA_CONTENT_COLUMN = 1;
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private static final int DATA_MIME_TYPE_COLUMN = 2;
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private static final int DATA_MODE_COLUMN = 3;
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// 笔记表字段索引
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private static final int NOTE_PARENT_ID_COLUMN = 0;
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private static final int NOTE_ALERTED_DATE_COLUMN = 1;
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private static final int NOTE_BG_COLOR_ID_COLUMN = 2;
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private static final int NOTE_WIDGET_ID_COLUMN = 3;
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private static final int NOTE_WIDGET_TYPE_COLUMN = 4;
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private static final int NOTE_MODIFIED_DATE_COLUMN = 5;
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/**
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* 新建笔记构造函数
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* @param context 上下文对象
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* @param folderId 所属文件夹ID
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*/
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private WorkingNote(Context context, long folderId) {
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mContext = context;
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mAlertDate = 0; // 默认不设置提醒
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mModifiedDate = System.currentTimeMillis();
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mFolderId = folderId;
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mNote = new Note();
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mNoteId = 0; // 0表示新笔记
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mIsDeleted = false;
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mMode = 0; // 默认普通模式
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mWidgetType = Notes.TYPE_WIDGET_INVALIDE; // 默认无小部件
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}
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/**
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* 加载已有笔记构造函数
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* @param context 上下文对象
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* @param noteId 存在的笔记ID
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* @param folderId 所属文件夹ID
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*/
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private WorkingNote(Context context, long noteId, long folderId) {
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mContext = context;
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mNoteId = noteId;
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mFolderId = folderId;
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mIsDeleted = false;
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mNote = new Note();
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loadNote(); // 从数据库加载笔记数据
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}
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/**
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* 加载笔记元数据
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* @throws IllegalArgumentException 当笔记不存在时抛出
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*/
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private void loadNote() {
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// 构建笔记URI
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Uri noteUri = ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId);
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Cursor cursor = mContext.getContentResolver().query(noteUri, NOTE_PROJECTION, null, null, null);
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if (cursor != null) {
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if (cursor.moveToFirst()) {
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// 读取元数据字段
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mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN);
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mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN);
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mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN);
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mWidgetType = cursor.getInt(NOTE_WIDGET_TYPE_COLUMN);
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mAlertDate = cursor.getLong(NOTE_ALERTED_DATE_COLUMN);
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mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN);
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}
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cursor.close();
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} else {
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Log.e(TAG, "找不到ID为" + mNoteId + "的笔记");
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throw new IllegalArgumentException("无法找到ID为" + mNoteId + "的笔记");
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}
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loadNoteData(); // 加载具体内容数据
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}
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/**
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* 加载笔记内容数据
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* @throws IllegalArgumentException 当数据不存在时抛出
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*/
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private void loadNoteData() {
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// 查询数据表
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Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION,
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DataColumns.NOTE_ID + "=?", new String[] { String.valueOf(mNoteId) }, null);
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if (cursor != null) {
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if (cursor.moveToFirst()) {
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do {
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String type = cursor.getString(DATA_MIME_TYPE_COLUMN);
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if (DataConstants.NOTE.equals(type)) { // 普通笔记数据
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mContent = cursor.getString(DATA_CONTENT_COLUMN);
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mMode = cursor.getInt(DATA_MODE_COLUMN);
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mNote.setTextDataId(cursor.getLong(DATA_ID_COLUMN));
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} else if (DataConstants.CALL_NOTE.equals(type)) { // 通话记录数据
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mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN));
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} else {
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Log.d(TAG, "未知笔记类型：" + type);
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}
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} while (cursor.moveToNext());
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}
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cursor.close();
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} else {
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Log.e(TAG, "找不到ID为" + mNoteId + "的笔记数据");
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throw new IllegalArgumentException("无法找到ID为" + mNoteId + "的笔记数据");
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}
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}
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/**
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* 创建空白笔记
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* @param context 上下文对象
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* @param folderId 所属文件夹ID
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* @param widgetId 关联小部件ID
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* @param widgetType 小部件类型
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* @param defaultBgColorId 默认背景颜色ID
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* @return 新创建的WorkingNote实例
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*/
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public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId,
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int widgetType, int defaultBgColorId) {
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WorkingNote note = new WorkingNote(context, folderId);
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note.setBgColorId(defaultBgColorId);
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note.setWidgetId(widgetId);
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note.setWidgetType(widgetType);
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return note;
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}
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/**
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* 加载已有笔记
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* @param context 上下文对象
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* @param id 要加载的笔记ID
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* @return 加载的WorkingNote实例
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*/
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public static WorkingNote load(Context context, long id) {
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return new WorkingNote(context, id, 0);
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}
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/**
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* 保存笔记（同步方法保证线程安全）
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* @return 保存是否成功
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*/
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public synchronized boolean saveNote() {
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if (isWorthSaving()) { // 检查是否需要保存
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// 处理新笔记的情况
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if (!existInDatabase()) {
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if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) {
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Log.e(TAG, "创建新笔记失败，ID：" + mNoteId);
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return false;
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}
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}
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// 同步数据到数据库
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mNote.syncNote(mContext, mNoteId);
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// 如果有关联小部件，触发更新
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if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
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&& mWidgetType != Notes.TYPE_WIDGET_INVALIDE
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&& mNoteSettingStatusListener != null) {
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mNoteSettingStatusListener.onWidgetChanged();
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}
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return true;
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}
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return false;
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}
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/**
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* 检查笔记是否已存在于数据库
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* @return 存在返回true
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*/
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public boolean existInDatabase() {
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return mNoteId > 0;
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}
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/**
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* 判断是否需要保存
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* 以下情况不需要保存：
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* 1. 笔记已标记删除
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* 2. 新笔记且内容为空
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* 3. 已有笔记且无修改
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*/
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private boolean isWorthSaving() {
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return !(mIsDeleted
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|| (!existInDatabase() && TextUtils.isEmpty(mContent))
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|| (existInDatabase() && !mNote.isLocalModified()));
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}
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/**
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* 设置笔记设置变更监听器
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*/
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public void setOnSettingStatusChangedListener(NoteSettingChangedListener l) {
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mNoteSettingStatusListener = l;
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}
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/**
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* 设置提醒时间
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* @param date 提醒时间戳（毫秒）
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* @param set 是否设置提醒（true表示设置）
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*/
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public void setAlertDate(long date, boolean set) {
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if (date != mAlertDate) {
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mAlertDate = date;
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mNote.setNoteValue(NoteColumns.ALERTED_DATE, String.valueOf(mAlertDate));
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}
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if (mNoteSettingStatusListener != null) {
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mNoteSettingStatusListener.onClockAlertChanged(date, set);
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}
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}
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/**
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* 标记删除状态
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* @param mark true表示标记删除
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*/
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public void markDeleted(boolean mark) {
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mIsDeleted = mark;
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if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID
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&& mWidgetType != Notes.TYPE_WIDGET_INVALIDE
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&& mNoteSettingStatusListener != null) {
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mNoteSettingStatusListener.onWidgetChanged();
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}
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}
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/**
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* 设置背景颜色
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* @param id 颜色资源ID
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*/
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public void setBgColorId(int id) {
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if (id != mBgColorId) {
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mBgColorId = id;
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if (mNoteSettingStatusListener != null) {
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mNoteSettingStatusListener.onBackgroundColorChanged();
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}
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mNote.setNoteValue(NoteColumns.BG_COLOR_ID, String.valueOf(id));
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}
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}
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/**
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* 设置清单模式
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* @param mode 模式标识（见TextNote常量）
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*/
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public void setCheckListMode(int mode) {
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if (mMode != mode) {
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if (mNoteSettingStatusListener != null) {
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mNoteSettingStatusListener.onCheckListModeChanged(mMode, mode);
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}
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mMode = mode;
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mNote.setTextData(TextNote.MODE, String.valueOf(mMode));
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}
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}
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/**
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* 设置小部件类型
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*/
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public void setWidgetType(int type) {
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if (type != mWidgetType) {
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mWidgetType = type;
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mNote.setNoteValue(NoteColumns.WIDGET_TYPE, String.valueOf(mWidgetType));
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}
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}
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/**
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* 设置关联小部件ID
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*/
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public void setWidgetId(int id) {
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if (id != mWidgetId) {
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mWidgetId = id;
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mNote.setNoteValue(NoteColumns.WIDGET_ID, String.valueOf(mWidgetId));
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}
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}
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/**
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* 更新笔记内容
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* @param text 新的文本内容
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*/
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public void setWorkingText(String text) {
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if (!TextUtils.equals(mContent, text)) {
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mContent = text;
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mNote.setTextData(DataColumns.CONTENT, mContent);
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}
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}
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/**
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* 转换为通话记录笔记
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* @param phoneNumber 电话号码
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* @param callDate 通话时间
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*/
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public void convertToCallNote(String phoneNumber, long callDate) {
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mNote.setCallData(CallNote.CALL_DATE, String.valueOf(callDate));
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mNote.setCallData(CallNote.PHONE_NUMBER, phoneNumber);
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// 移动到通话记录专用文件夹
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mNote.setNoteValue(NoteColumns.PARENT_ID, String.valueOf(Notes.ID_CALL_RECORD_FOLDER));
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}
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//============== 获取方法 ==============//
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public boolean hasClockAlert() {
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return mAlertDate > 0;
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}
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public String getContent() {
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return mContent;
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}
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public long getAlertDate() {
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return mAlertDate;
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}
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public long getModifiedDate() {
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return mModifiedDate;
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}
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public int getBgColorResId() {
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return NoteBgResources.getNoteBgResource(mBgColorId);
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}
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public int getBgColorId() {
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return mBgColorId;
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}
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public int getTitleBgResId() {
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return NoteBgResources.getNoteTitleBgResource(mBgColorId);
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}
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public int getCheckListMode() {
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return mMode;
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}
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public long getNoteId() {
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return mNoteId;
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}
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public long getFolderId() {
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return mFolderId;
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}
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|
|
|
|
|
public int getWidgetId() {
|
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|
return mWidgetId;
|
|
|
}
|
|
|
|
|
|
public int getWidgetType() {
|
|
|
return mWidgetType;
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 笔记设置变更监听接口
|
|
|
*/
|
|
|
public interface NoteSettingChangedListener {
|
|
|
/**
|
|
|
* 背景颜色变更回调
|
|
|
*/
|
|
|
void onBackgroundColorChanged();
|
|
|
|
|
|
/**
|
|
|
* 提醒时间变更回调
|
|
|
* @param date 新的提醒时间
|
|
|
* @param set 是否设置提醒
|
|
|
*/
|
|
|
void onClockAlertChanged(long date, boolean set);
|
|
|
|
|
|
/**
|
|
|
* 小部件变更回调
|
|
|
*/
|
|
|
void onWidgetChanged();
|
|
|
|
|
|
/**
|
|
|
* 清单模式切换回调
|
|
|
* @param oldMode 原模式
|
|
|
* @param newMode 新模式
|
|
|
*/
|
|
|
void onCheckListModeChanged(int oldMode, int newMode);
|
|
|
}
|
|
|
} |
