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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.ui;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.appwidget.AppWidgetManager;
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import android.content.AsyncQueryHandler;
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import android.content.ContentResolver;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.database.Cursor;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.preference.PreferenceManager;
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import android.text.Editable;
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import android.text.TextUtils;
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import android.text.TextWatcher;
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import android.util.Log;
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import android.view.ActionMode;
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import android.view.ContextMenu;
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import android.view.ContextMenu.ContextMenuInfo;
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import android.view.Display;
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import android.view.HapticFeedbackConstants;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.MenuItem.OnMenuItemClickListener;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.View.OnCreateContextMenuListener;
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import android.view.View.OnTouchListener;
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import android.view.inputmethod.InputMethodManager;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.AdapterView.OnItemLongClickListener;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.ListView;
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import android.widget.PopupMenu;
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import android.widget.TextView;
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import android.widget.Toast;
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import net.micode.notes.R;
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import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.gtask.remote.GTaskSyncService;
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import net.micode.notes.model.WorkingNote;
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import net.micode.notes.tool.BackupUtils;
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import net.micode.notes.tool.DataUtils;
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import net.micode.notes.tool.ResourceParser;
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import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
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import net.micode.notes.widget.NoteWidgetProvider_2x;
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import net.micode.notes.widget.NoteWidgetProvider_4x;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.HashSet;
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/**
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* 小米笔记的主界面类，负责管理笔记列表、文件夹、搜索和批量操作
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* 实现了笔记的创建、编辑、删除、移动等核心功能
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*/
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public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
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/**
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* 异步查询的Token常量，用于区分不同类型的查询请求
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*/
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private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; // 查询文件夹下的笔记列表
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private static final int FOLDER_LIST_QUERY_TOKEN = 1; // 查询文件夹列表
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/**
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* 文件夹上下文菜单的菜单项ID
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*/
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private static final int MENU_FOLDER_DELETE = 0; // 删除文件夹
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private static final int MENU_FOLDER_VIEW = 1; // 查看文件夹内容
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private static final int MENU_FOLDER_CHANGE_NAME = 2; // 重命名文件夹
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/**
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* SharedPreferences键名，用于标记是否显示过添加笔记的介绍
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*/
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private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
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/**
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* 列表编辑状态枚举，用于管理不同的列表视图状态
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*/
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private enum ListEditState {
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NOTE_LIST, // 根目录笔记列表
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SUB_FOLDER, // 子文件夹笔记列表
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CALL_RECORD_FOLDER // 通话记录文件夹列表
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};
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private ListEditState mState; // 当前列表状态
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private BackgroundQueryHandler mBackgroundQueryHandler; // 异步查询处理器，用于后台加载数据
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private NotesListAdapter mNotesListAdapter; // 笔记列表适配器，负责数据与UI的绑定
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private ListView mNotesListView; // 显示笔记列表的ListView组件
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private Button mAddNewNote; // 添加新笔记按钮
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private boolean mDispatch; // 触摸事件分发标志
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private int mOriginY; // 触摸事件起始Y坐标
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private int mDispatchY; // 触摸事件分发Y坐标
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private TextView mTitleBar; // 标题栏视图
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private long mCurrentFolderId; // 当前文件夹ID
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private ContentResolver mContentResolver; // 内容解析器，用于访问数据库
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private ModeCallback mModeCallBack; // 多选模式回调，处理批量操作
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private static final String TAG = "NotesListActivity"; // 日志标签
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public static final int NOTES_LISTVIEW_SCROLL_RATE = 30; // ListView滚动速率
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private NoteItemData mFocusNoteDataItem; // 当前聚焦的笔记数据项
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/**
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* 数据库查询条件
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*/
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private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?"; // 普通文件夹查询条件
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private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>"
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+ Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR ("
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+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND "
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+ NoteColumns.NOTES_COUNT + ">0)"; // 根文件夹查询条件
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/**
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* startActivityForResult的请求码
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*/
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private final static int REQUEST_CODE_OPEN_NODE = 102; // 打开笔记的请求码
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private final static int REQUEST_CODE_NEW_NODE = 103; // 新建笔记的请求码
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@Override
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protected void onCreate(Bundle savedInstanceState) {// 初始化活动，设置布局和资源
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super.onCreate(savedInstanceState);
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setContentView(R.layout.note_list);
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initResources();
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/**
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* Insert an introduction when user firstly use this application
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*/
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setAppInfoFromRawRes();
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {// 处理子活动返回结果
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if (resultCode == RESULT_OK
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&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
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mNotesListAdapter.changeCursor(null);
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} else {
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super.onActivityResult(requestCode, resultCode, data);
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}
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}
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/**
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* 首次使用应用时插入介绍笔记
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*/
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private void setAppInfoFromRawRes() {
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SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);// 亮点：SharedPreferences 是Android平台上一个轻量级的存储类，主要用于保存应用的一些常用配置。它通过键值对的形式将数据保存在XML文件中
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if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {// 检查是否已添加介绍笔记
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StringBuilder sb = new StringBuilder();
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InputStream in = null;
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try {
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in = getResources().openRawResource(R.raw.introduction);
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if (in != null) {
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InputStreamReader isr = new InputStreamReader(in, "UTF-8");// 亮点：指定字符编码为UTF-8，确保能够正确读取包含特殊字符的文本文件
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BufferedReader br = new BufferedReader(isr);// 亮点：BufferedReader 是Java IO库中的一个字符流类，用于读取字符数据。它提供了缓冲区的功能，能够一次读取多个字符，提高了读取效率。
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char [] buf = new char[1024];
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int len = 0;
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while ((len = br.read(buf)) > 0) {
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sb.append(buf, 0, len);//将读取到的字符数组buf中的0到len-1位置的字符添加到StringBuilder中
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}
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} else {
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Log.e(TAG, "Read introduction file error");
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return;
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}
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} catch (IOException e) {
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e.printStackTrace();
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return;
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} finally {
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if(in != null) {
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try {
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in.close();
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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}
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WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
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AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
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ResourceParser.RED);
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note.setWorkingText(sb.toString());
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if (note.saveNote()) {
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sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
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} else {
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Log.e(TAG, "Save introduction note error");
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return;
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}
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}
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}
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/**
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* 活动启动时执行，开始异步查询笔记列表
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*/
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@Override
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protected void onStart() {
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super.onStart();
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startAsyncNotesListQuery();
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}
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/**
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* 初始化资源和UI组件
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*/
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private void initResources() {
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mContentResolver = this.getContentResolver();
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mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
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mCurrentFolderId = Notes.ID_ROOT_FOLDER;
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mNotesListView = (ListView) findViewById(R.id.notes_list);
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mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
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null, false);
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mNotesListView.setOnItemClickListener(new OnListItemClickListener());
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mNotesListView.setOnItemLongClickListener(this);
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mNotesListAdapter = new NotesListAdapter(this);
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mNotesListView.setAdapter(mNotesListAdapter);
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mAddNewNote = (Button) findViewById(R.id.btn_new_note);
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mAddNewNote.setOnClickListener(this);
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mAddNewNote.setOnTouchListener(new NewNoteOnTouchListener());
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mDispatch = false;
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mDispatchY = 0;
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mOriginY = 0;
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mTitleBar = (TextView) findViewById(R.id.tv_title_bar);
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mState = ListEditState.NOTE_LIST;
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mModeCallBack = new ModeCallback();
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}
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/**
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* 多选模式回调类，处理批量操作和菜单项点击事件
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*/
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private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
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/** 下拉菜单，用于显示选择操作选项 */
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private DropdownMenu mDropDownMenu;
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/** ActionMode实例，用于管理多选模式的生命周期 */
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private ActionMode mActionMode;
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/** 移动菜单项，用于批量移动笔记 */
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private MenuItem mMoveMenu;
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/**
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* 创建多选模式时的初始化操作
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* @param mode ActionMode实例
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* @param menu 菜单对象
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* @return 是否成功创建多选模式
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*/
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public boolean onCreateActionMode(ActionMode mode, Menu menu) {
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getMenuInflater().inflate(R.menu.note_list_options, menu);
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menu.findItem(R.id.delete).setOnMenuItemClickListener(this);
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mMoveMenu = menu.findItem(R.id.move);
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if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER
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|| DataUtils.getUserFolderCount(mContentResolver) == 0) {
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mMoveMenu.setVisible(false);
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} else {
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mMoveMenu.setVisible(true);
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mMoveMenu.setOnMenuItemClickListener(this);
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}
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mActionMode = mode;
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mNotesListAdapter.setChoiceMode(true);
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mNotesListView.setLongClickable(false);
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mAddNewNote.setVisibility(View.GONE);
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View customView = LayoutInflater.from(NotesListActivity.this).inflate(
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R.layout.note_list_dropdown_menu, null);
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mode.setCustomView(customView);
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mDropDownMenu = new DropdownMenu(NotesListActivity.this,
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(Button) customView.findViewById(R.id.selection_menu),
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R.menu.note_list_dropdown);
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mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener(){
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public boolean onMenuItemClick(MenuItem item) {
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mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected());
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updateMenu();
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return true;
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}
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});
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return true;
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}
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private void updateMenu() {// 更新下拉菜单显示的选中项数量
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int selectedCount = mNotesListAdapter.getSelectedCount();
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// Update dropdown menu
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String format = getResources().getString(R.string.menu_select_title, selectedCount);
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mDropDownMenu.setTitle(format);
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MenuItem item = mDropDownMenu.findItem(R.id.action_select_all);// 查找选择所有项的菜单项
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if (item != null) {
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if (mNotesListAdapter.isAllSelected()) {
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item.setChecked(true);
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item.setTitle(R.string.menu_deselect_all);
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} else {
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item.setChecked(false);
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item.setTitle(R.string.menu_select_all);
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}
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}
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}
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public boolean onPrepareActionMode(ActionMode mode, Menu menu) {// 准备多选模式时的操作
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// TODO Auto-generated method stub
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return false;
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}
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public boolean onActionItemClicked(ActionMode mode, MenuItem item) {// 处理下拉菜单项点击事件
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// TODO Auto-generated method stub
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return false;
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}
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public void onDestroyActionMode(ActionMode mode) {// 多选模式结束时的操作
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mNotesListAdapter.setChoiceMode(false);
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mNotesListView.setLongClickable(true);
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mAddNewNote.setVisibility(View.VISIBLE);
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}
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public void finishActionMode() {// 结束多选模式
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mActionMode.finish();
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}
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public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
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boolean checked) {// 处理列表项选中状态改变事件，注意actionmode的生命周期
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mNotesListAdapter.setCheckedItem(position, checked);
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updateMenu();
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}
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public boolean onMenuItemClick(MenuItem item) {// 处理下拉菜单项点击事件
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if (mNotesListAdapter.getSelectedCount() == 0) {
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Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none),
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Toast.LENGTH_SHORT).show();
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return true;
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}
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switch (item.getItemId()) {
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case R.id.delete:
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AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
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builder.setTitle(getString(R.string.alert_title_delete));
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builder.setIcon(android.R.drawable.ic_dialog_alert);
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builder.setMessage(getString(R.string.alert_message_delete_notes,
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mNotesListAdapter.getSelectedCount()));
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builder.setPositiveButton(android.R.string.ok,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog,
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int which) {
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batchDelete();
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}
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});
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builder.setNegativeButton(android.R.string.cancel, null);
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builder.show();
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break;
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case R.id.move:
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startQueryDestinationFolders();
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break;
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default:
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return false;
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}
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return true;
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}
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}
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private class NewNoteOnTouchListener implements OnTouchListener {// 处理"新建笔记"按钮的触摸事件
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public boolean onTouch(View v, MotionEvent event) {
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switch (event.getAction()) {
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|
case MotionEvent.ACTION_DOWN: {
|
|
|
Display display = getWindowManager().getDefaultDisplay();
|
|
|
int screenHeight = display.getHeight();
|
|
|
int newNoteViewHeight = mAddNewNote.getHeight();
|
|
|
int start = screenHeight - newNoteViewHeight;
|
|
|
int eventY = start + (int) event.getY();
|
|
|
/**
|
|
|
* Minus TitleBar's height
|
|
|
*/
|
|
|
if (mState == ListEditState.SUB_FOLDER) {// 如果当前状态是子文件夹
|
|
|
eventY -= mTitleBar.getHeight();
|
|
|
start -= mTitleBar.getHeight();
|
|
|
}
|
|
|
/**
|
|
|
* HACKME:When click the transparent part of "New Note" button, dispatch
|
|
|
* the event to the list view behind this button. The transparent part of
|
|
|
* "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel）
|
|
|
* and the line top of the button. The coordinate based on left of the "New
|
|
|
* Note" button. The 94 represents maximum height of the transparent part.
|
|
|
* Notice that, if the background of the button changes, the formula should
|
|
|
* also change. This is very bad, just for the UI designer's strong requirement.
|
|
|
*/
|
|
|
if (event.getY() < (event.getX() * (-0.12) + 94)) {// 如果点击位置在"新建笔记"按钮的透明部分
|
|
|
View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
|
|
|
- mNotesListView.getFooterViewsCount());// 获取列表项的底部视图
|
|
|
if (view != null && view.getBottom() > start
|
|
|
&& (view.getTop() < (start + 94))) {// 如果点击位置在"新建笔记"按钮的透明部分且在列表项范围内
|
|
|
mOriginY = (int) event.getY();
|
|
|
mDispatchY = eventY;
|
|
|
event.setLocation(event.getX(), mDispatchY);
|
|
|
mDispatch = true;
|
|
|
return mNotesListView.dispatchTouchEvent(event);
|
|
|
}
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case MotionEvent.ACTION_MOVE: {// 处理"新建笔记"按钮的移动事件
|
|
|
if (mDispatch) {
|
|
|
mDispatchY += (int) event.getY() - mOriginY;
|
|
|
event.setLocation(event.getX(), mDispatchY);
|
|
|
return mNotesListView.dispatchTouchEvent(event);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
default: {// 处理"新建笔记"按钮的其他事件
|
|
|
if (mDispatch) {
|
|
|
event.setLocation(event.getX(), mDispatchY);
|
|
|
mDispatch = false;
|
|
|
return mNotesListView.dispatchTouchEvent(event);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* 启动异步查询笔记列表的方法
|
|
|
* 根据当前文件夹ID构建查询条件，使用异步查询处理器加载数据
|
|
|
*/
|
|
|
private void startAsyncNotesListQuery() {
|
|
|
String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION
|
|
|
: NORMAL_SELECTION;
|
|
|
mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
|
|
|
Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] {
|
|
|
String.valueOf(mCurrentFolderId)
|
|
|
}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC" );// 按类型和修改日期排序
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 异步查询处理器，用于在后台执行数据库查询操作
|
|
|
*/
|
|
|
private final class BackgroundQueryHandler extends AsyncQueryHandler {
|
|
|
/**
|
|
|
* 构造函数
|
|
|
* @param contentResolver 内容解析器，用于访问数据库
|
|
|
*/
|
|
|
public BackgroundQueryHandler(ContentResolver contentResolver) {
|
|
|
super(contentResolver);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 查询完成后的回调处理
|
|
|
* @param token 查询标识，区分不同类型的查询
|
|
|
* @param cookie 额外数据
|
|
|
* @param cursor 查询结果游标
|
|
|
*/
|
|
|
@Override
|
|
|
protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
|
|
|
switch (token) {
|
|
|
case FOLDER_NOTE_LIST_QUERY_TOKEN:// 查询笔记列表
|
|
|
mNotesListAdapter.changeCursor(cursor);
|
|
|
break;
|
|
|
case FOLDER_LIST_QUERY_TOKEN:// 查询文件夹列表
|
|
|
if (cursor != null && cursor.getCount() > 0) {
|
|
|
showFolderListMenu(cursor);
|
|
|
} else {
|
|
|
Log.e(TAG, "Query folder failed");
|
|
|
}
|
|
|
break;
|
|
|
default:
|
|
|
return;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
private void showFolderListMenu(Cursor cursor) {// 显示文件夹列表菜单
|
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
|
|
|
builder.setTitle(R.string.menu_title_select_folder);
|
|
|
final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor);
|
|
|
builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
|
|
|
|
|
|
public void onClick(DialogInterface dialog, int which) {
|
|
|
DataUtils.batchMoveToFolder(mContentResolver,
|
|
|
mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
|
|
|
Toast.makeText(
|
|
|
NotesListActivity.this,
|
|
|
getString(R.string.format_move_notes_to_folder,
|
|
|
mNotesListAdapter.getSelectedCount(),
|
|
|
adapter.getFolderName(NotesListActivity.this, which)),
|
|
|
Toast.LENGTH_SHORT).show();
|
|
|
mModeCallBack.finishActionMode();
|
|
|
}
|
|
|
});
|
|
|
builder.show();
|
|
|
}
|
|
|
|
|
|
private void createNewNote() {// 创建新笔记
|
|
|
Intent intent = new Intent(this, NoteEditActivity.class);
|
|
|
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
|
|
|
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId);
|
|
|
this.startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
|
|
|
}
|
|
|
|
|
|
private void batchDelete() {// 批量删除笔记
|
|
|
new AsyncTask<Void, Void, HashSet<AppWidgetAttribute>>() {
|
|
|
protected HashSet<AppWidgetAttribute> doInBackground(Void... unused) {
|
|
|
HashSet<AppWidgetAttribute> widgets = mNotesListAdapter.getSelectedWidget();
|
|
|
if (!isSyncMode()) {
|
|
|
// if not synced, delete notes directly
|
|
|
if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter
|
|
|
.getSelectedItemIds())) {
|
|
|
} else {
|
|
|
Log.e(TAG, "Delete notes error, should not happens");
|
|
|
}
|
|
|
} else {
|
|
|
// in sync mode, we'll move the deleted note into the trash
|
|
|
// folder
|
|
|
if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter
|
|
|
.getSelectedItemIds(), Notes.ID_TRASH_FOLER)) {
|
|
|
Log.e(TAG, "Move notes to trash folder error, should not happens");
|
|
|
}
|
|
|
}
|
|
|
return widgets;
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
protected void onPostExecute(HashSet<AppWidgetAttribute> widgets) {// 批量删除笔记完成后的回调处理
|
|
|
if (widgets != null) {
|
|
|
for (AppWidgetAttribute widget : widgets) {
|
|
|
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
|
|
|
&& widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
|
|
|
updateWidget(widget.widgetId, widget.widgetType);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
mModeCallBack.finishActionMode();
|
|
|
}
|
|
|
}.execute();
|
|
|
}
|
|
|
|
|
|
private void deleteFolder(long folderId) {// 删除文件夹
|
|
|
if (folderId == Notes.ID_ROOT_FOLDER) {
|
|
|
Log.e(TAG, "Wrong folder id, should not happen " + folderId);
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
HashSet<Long> ids = new HashSet<Long>();
|
|
|
ids.add(folderId);
|
|
|
HashSet<AppWidgetAttribute> widgets = DataUtils.getFolderNoteWidget(mContentResolver,
|
|
|
folderId);
|
|
|
if (!isSyncMode()) {
|
|
|
// if not synced, delete folder directly
|
|
|
DataUtils.batchDeleteNotes(mContentResolver, ids);
|
|
|
} else {
|
|
|
// in sync mode, we'll move the deleted folder into the trash folder
|
|
|
DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER);
|
|
|
}
|
|
|
if (widgets != null) {
|
|
|
for (AppWidgetAttribute widget : widgets) {
|
|
|
if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID
|
|
|
&& widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) {
|
|
|
updateWidget(widget.widgetId, widget.widgetType);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
private void openNode(NoteItemData data) {// 打开笔记
|
|
|
Intent intent = new Intent(this, NoteEditActivity.class);
|
|
|
intent.setAction(Intent.ACTION_VIEW);
|
|
|
intent.putExtra(Intent.EXTRA_UID, data.getId());
|
|
|
this.startActivityForResult(intent, REQUEST_CODE_OPEN_NODE);
|
|
|
}
|
|
|
|
|
|
private void openFolder(NoteItemData data) {// 打开文件夹
|
|
|
mCurrentFolderId = data.getId();
|
|
|
startAsyncNotesListQuery();
|
|
|
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
|
|
|
mState = ListEditState.CALL_RECORD_FOLDER;
|
|
|
mAddNewNote.setVisibility(View.GONE);
|
|
|
} else {
|
|
|
mState = ListEditState.SUB_FOLDER;
|
|
|
}
|
|
|
if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) {
|
|
|
mTitleBar.setText(R.string.call_record_folder_name);
|
|
|
} else {
|
|
|
mTitleBar.setText(data.getSnippet());
|
|
|
}
|
|
|
mTitleBar.setVisibility(View.VISIBLE);
|
|
|
}
|
|
|
|
|
|
public void onClick(View v) {
|
|
|
switch (v.getId()) {
|
|
|
case R.id.btn_new_note:
|
|
|
createNewNote();
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
private void showSoftInput() {// 显示软键盘
|
|
|
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
|
|
|
if (inputMethodManager != null) {
|
|
|
inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
private void hideSoftInput(View view) {// 隐藏软键盘
|
|
|
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
|
|
|
inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
|
|
|
}
|
|
|
|
|
|
private void showCreateOrModifyFolderDialog(final boolean create) {// 显示创建或修改文件夹对话框
|
|
|
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
|
|
|
View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null);
|
|
|
final EditText etName = (EditText) view.findViewById(R.id.et_foler_name);
|
|
|
showSoftInput();
|
|
|
if (!create) {
|
|
|
if (mFocusNoteDataItem != null) {
|
|
|
etName.setText(mFocusNoteDataItem.getSnippet());
|
|
|
builder.setTitle(getString(R.string.menu_folder_change_name));
|
|
|
} else {
|
|
|
Log.e(TAG, "The long click data item is null");
|
|
|
return;
|
|
|
}
|
|
|
} else {
|
|
|
etName.setText("");
|
|
|
builder.setTitle(this.getString(R.string.menu_create_folder));
|
|
|
}
|
|
|
|
|
|
builder.setPositiveButton(android.R.string.ok, null);
|
|
|
builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
|
|
|
public void onClick(DialogInterface dialog, int which) {
|
|
|
hideSoftInput(etName);
|
|
|
}
|
|
|
});
|
|
|
|
|
|
final Dialog dialog = builder.setView(view).show();
|
|
|
final Button positive = (Button)dialog.findViewById(android.R.id.button1);
|
|
|
positive.setOnClickListener(new OnClickListener() {// 确认创建或修改文件夹
|
|
|
public void onClick(View v) {
|
|
|
hideSoftInput(etName);
|
|
|
String name = etName.getText().toString();
|
|
|
if (DataUtils.checkVisibleFolderName(mContentResolver, name)) {
|
|
|
Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name),
|
|
|
Toast.LENGTH_LONG).show();
|
|
|
etName.setSelection(0, etName.length());
|
|
|
return;
|
|
|
}
|
|
|
if (!create) {
|
|
|
if (!TextUtils.isEmpty(name)) {// 修改文件夹名称
|
|
|
ContentValues values = new ContentValues();
|
|
|
values.put(NoteColumns.SNIPPET, name);
|
|
|
values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
|
|
|
values.put(NoteColumns.LOCAL_MODIFIED, 1);
|
|
|
mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID
|
|
|
+ "=?", new String[] {
|
|
|
String.valueOf(mFocusNoteDataItem.getId())
|
|
|
});
|
|
|
}
|
|
|
} else if (!TextUtils.isEmpty(name)) {// 创建新文件夹
|
|
|
ContentValues values = new ContentValues();
|
|
|
values.put(NoteColumns.SNIPPET, name);
|
|
|
values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
|
|
|
mContentResolver.insert(Notes.CONTENT_NOTE_URI, values);
|
|
|
}
|
|
|
dialog.dismiss();
|
|
|
}
|
|
|
});
|
|
|
|
|
|
if (TextUtils.isEmpty(etName.getText())) {// 输入框为空时禁用确认按钮
|
|
|
positive.setEnabled(false);
|
|
|
}
|
|
|
/**
|
|
|
* When the name edit text is null, disable the positive button
|
|
|
*/
|
|
|
etName.addTextChangedListener(new TextWatcher() {// 监听输入框文本变化
|
|
|
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
|
|
|
// TODO Auto-generated method stub
|
|
|
|
|
|
}
|
|
|
|
|
|
public void onTextChanged(CharSequence s, int start, int before, int count) {// 输入框文本变化时更新确认按钮状态
|
|
|
if (TextUtils.isEmpty(etName.getText())) {
|
|
|
positive.setEnabled(false);
|
|
|
} else {
|
|
|
positive.setEnabled(true);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public void afterTextChanged(Editable s) {// 输入框文本变化后更新确认按钮状态
|
|
|
// TODO Auto-generated method stub
|
|
|
|
|
|
}
|
|
|
});
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public void onBackPressed() {// 处理返回键事件
|
|
|
switch (mState) {
|
|
|
case SUB_FOLDER:// 返回上一级文件夹
|
|
|
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
|
|
|
mState = ListEditState.NOTE_LIST;
|
|
|
startAsyncNotesListQuery();
|
|
|
mTitleBar.setVisibility(View.GONE);
|
|
|
break;
|
|
|
case CALL_RECORD_FOLDER:// 返回上一级通话记录文件夹
|
|
|
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
|
|
|
mState = ListEditState.NOTE_LIST;
|
|
|
mAddNewNote.setVisibility(View.VISIBLE);
|
|
|
mTitleBar.setVisibility(View.GONE);
|
|
|
startAsyncNotesListQuery();
|
|
|
break;
|
|
|
case NOTE_LIST:// 返回主界面
|
|
|
super.onBackPressed();
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
private void updateWidget(int appWidgetId, int appWidgetType) {// 更新指定应用小部件
|
|
|
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
|
|
|
if (appWidgetType == Notes.TYPE_WIDGET_2X) {
|
|
|
intent.setClass(this, NoteWidgetProvider_2x.class);
|
|
|
} else if (appWidgetType == Notes.TYPE_WIDGET_4X) {
|
|
|
intent.setClass(this, NoteWidgetProvider_4x.class);
|
|
|
} else {
|
|
|
Log.e(TAG, "Unspported widget type");
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] {
|
|
|
appWidgetId
|
|
|
});
|
|
|
|
|
|
sendBroadcast(intent);
|
|
|
setResult(RESULT_OK, intent);
|
|
|
}
|
|
|
|
|
|
private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() {// 文件夹上下文菜单创建监听
|
|
|
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
|
|
|
if (mFocusNoteDataItem != null) {
|
|
|
menu.setHeaderTitle(mFocusNoteDataItem.getSnippet());
|
|
|
menu.add(0, MENU_FOLDER_VIEW, 0, R.string.menu_folder_view);
|
|
|
menu.add(0, MENU_FOLDER_DELETE, 0, R.string.menu_folder_delete);
|
|
|
menu.add(0, MENU_FOLDER_CHANGE_NAME, 0, R.string.menu_folder_change_name);
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
|
|
|
@Override
|
|
|
public void onContextMenuClosed(Menu menu) {// 上下文菜单关闭时移除监听
|
|
|
if (mNotesListView != null) {
|
|
|
mNotesListView.setOnCreateContextMenuListener(null);
|
|
|
}
|
|
|
super.onContextMenuClosed(menu);
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public boolean onContextItemSelected(MenuItem item) {
|
|
|
if (mFocusNoteDataItem == null) {
|
|
|
Log.e(TAG, "The long click data item is null");
|
|
|
return false;
|
|
|
}
|
|
|
switch (item.getItemId()) {
|
|
|
case MENU_FOLDER_VIEW:// 查看文件夹
|
|
|
openFolder(mFocusNoteDataItem);
|
|
|
break;
|
|
|
case MENU_FOLDER_DELETE:// 删除文件夹
|
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(this);
|
|
|
builder.setTitle(getString(R.string.alert_title_delete));
|
|
|
builder.setIcon(android.R.drawable.ic_dialog_alert);
|
|
|
builder.setMessage(getString(R.string.alert_message_delete_folder));
|
|
|
builder.setPositiveButton(android.R.string.ok,
|
|
|
new DialogInterface.OnClickListener() {
|
|
|
public void onClick(DialogInterface dialog, int which) {
|
|
|
deleteFolder(mFocusNoteDataItem.getId());
|
|
|
}
|
|
|
});
|
|
|
builder.setNegativeButton(android.R.string.cancel, null);
|
|
|
builder.show();
|
|
|
break;
|
|
|
case MENU_FOLDER_CHANGE_NAME:// 重命名文件夹
|
|
|
showCreateOrModifyFolderDialog(false);
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public boolean onPrepareOptionsMenu(Menu menu) {// 准备选项菜单
|
|
|
menu.clear();
|
|
|
if (mState == ListEditState.NOTE_LIST) {
|
|
|
getMenuInflater().inflate(R.menu.note_list, menu);
|
|
|
// set sync or sync_cancel
|
|
|
menu.findItem(R.id.menu_sync).setTitle(
|
|
|
GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync);
|
|
|
} else if (mState == ListEditState.SUB_FOLDER) {
|
|
|
getMenuInflater().inflate(R.menu.sub_folder, menu);
|
|
|
} else if (mState == ListEditState.CALL_RECORD_FOLDER) {
|
|
|
getMenuInflater().inflate(R.menu.call_record_folder, menu);
|
|
|
} else {
|
|
|
Log.e(TAG, "Wrong state:" + mState);
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public boolean onOptionsItemSelected(MenuItem item) {// 选项菜单项点击事件处理
|
|
|
switch (item.getItemId()) {
|
|
|
case R.id.menu_new_folder: {// 新建文件夹
|
|
|
showCreateOrModifyFolderDialog(true);
|
|
|
break;
|
|
|
}
|
|
|
case R.id.menu_export_text: {// 导出笔记为文本文件
|
|
|
exportNoteToText();
|
|
|
break;
|
|
|
}
|
|
|
case R.id.menu_sync: {// 同步笔记
|
|
|
if (isSyncMode()) {
|
|
|
if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {// 同步笔记
|
|
|
GTaskSyncService.startSync(this);
|
|
|
} else {
|
|
|
GTaskSyncService.cancelSync(this);
|
|
|
}
|
|
|
} else {
|
|
|
startPreferenceActivity();
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case R.id.menu_setting: {// 打开偏好设置
|
|
|
startPreferenceActivity();
|
|
|
break;
|
|
|
}
|
|
|
case R.id.menu_new_note: {// 新建笔记
|
|
|
createNewNote();
|
|
|
break;
|
|
|
}
|
|
|
case R.id.menu_search: {// 搜索笔记
|
|
|
onSearchRequested();
|
|
|
break;
|
|
|
}
|
|
|
|
|
|
case R.id.menu_search:{
|
|
|
onSearchRequested();
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public boolean onSearchRequested() {// 搜索笔记
|
|
|
startSearch(null, false, null /* appData */, false);
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
private void exportNoteToText() {// 导出笔记为文本文件
|
|
|
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
|
|
|
new AsyncTask<Void, Void, Integer>() {
|
|
|
|
|
|
@Override
|
|
|
protected Integer doInBackground(Void... unused) {// 后台导出笔记为文本文件
|
|
|
return backup.exportToText();
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
protected void onPostExecute(Integer result) {// 导出笔记为文本文件完成后的回调
|
|
|
if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
|
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);// 导出笔记为文本文件失败对话框
|
|
|
builder.setTitle(NotesListActivity.this
|
|
|
.getString(R.string.failed_sdcard_export));
|
|
|
builder.setMessage(NotesListActivity.this
|
|
|
.getString(R.string.error_sdcard_unmounted));
|
|
|
builder.setPositiveButton(android.R.string.ok, null);
|
|
|
builder.show();
|
|
|
} else if (result == BackupUtils.STATE_SUCCESS) {
|
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);// 导出笔记为文本文件成功对话框
|
|
|
builder.setTitle(NotesListActivity.this
|
|
|
.getString(R.string.success_sdcard_export));
|
|
|
builder.setMessage(NotesListActivity.this.getString(
|
|
|
R.string.format_exported_file_location, backup
|
|
|
.getExportedTextFileName(), backup.getExportedTextFileDir()));
|
|
|
builder.setPositiveButton(android.R.string.ok, null);
|
|
|
builder.show();
|
|
|
} else if (result == BackupUtils.STATE_SYSTEM_ERROR) {// 导出笔记为文本文件系统错误对话框
|
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
|
|
|
builder.setTitle(NotesListActivity.this
|
|
|
.getString(R.string.failed_sdcard_export));
|
|
|
builder.setMessage(NotesListActivity.this
|
|
|
.getString(R.string.error_sdcard_export));
|
|
|
builder.setPositiveButton(android.R.string.ok, null);
|
|
|
builder.show();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
}.execute();
|
|
|
}
|
|
|
|
|
|
private boolean isSyncMode() {// 判断是否为同步模式
|
|
|
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
|
|
|
}
|
|
|
|
|
|
private void startPreferenceActivity() {// 打开偏好设置活动
|
|
|
Activity from = getParent() != null ? getParent() : this;
|
|
|
Intent intent = new Intent(from, NotesPreferenceActivity.class);
|
|
|
from.startActivityIfNeeded(intent, -1);
|
|
|
}
|
|
|
|
|
|
private class OnListItemClickListener implements OnItemClickListener {// 列表项点击监听器
|
|
|
|
|
|
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {// 列表项点击事件
|
|
|
if (view instanceof NotesListItem) {
|
|
|
NoteItemData item = ((NotesListItem) view).getItemData();
|
|
|
if (mNotesListAdapter.isInChoiceMode()) {
|
|
|
if (item.getType() == Notes.TYPE_NOTE) {
|
|
|
position = position - mNotesListView.getHeaderViewsCount();
|
|
|
mModeCallBack.onItemCheckedStateChanged(null, position, id,
|
|
|
!mNotesListAdapter.isSelectedItem(position));
|
|
|
}
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
switch (mState) {// 根据当前状态处理点击事件
|
|
|
case NOTE_LIST:
|
|
|
if (item.getType() == Notes.TYPE_FOLDER// 点击文件夹项
|
|
|
|| item.getType() == Notes.TYPE_SYSTEM) {
|
|
|
openFolder(item);
|
|
|
} else if (item.getType() == Notes.TYPE_NOTE) {
|
|
|
openNode(item);
|
|
|
} else {
|
|
|
Log.e(TAG, "Wrong note type in NOTE_LIST");
|
|
|
}
|
|
|
break;
|
|
|
case SUB_FOLDER:
|
|
|
case CALL_RECORD_FOLDER:
|
|
|
if (item.getType() == Notes.TYPE_NOTE) {
|
|
|
openNode(item);
|
|
|
} else {
|
|
|
Log.e(TAG, "Wrong note type in SUB_FOLDER");
|
|
|
}
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
private void startQueryDestinationFolders() {// 查询目标文件夹
|
|
|
String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?";
|
|
|
selection = (mState == ListEditState.NOTE_LIST) ? selection:
|
|
|
"(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")";
|
|
|
|
|
|
mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN,
|
|
|
null,
|
|
|
Notes.CONTENT_NOTE_URI,
|
|
|
FoldersListAdapter.PROJECTION,
|
|
|
selection,
|
|
|
new String[] {
|
|
|
String.valueOf(Notes.TYPE_FOLDER),
|
|
|
String.valueOf(Notes.ID_TRASH_FOLER),
|
|
|
String.valueOf(mCurrentFolderId)
|
|
|
},
|
|
|
NoteColumns.MODIFIED_DATE + " DESC");
|
|
|
}
|
|
|
|
|
|
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {// 列表项长按事件
|
|
|
if (view instanceof NotesListItem) {
|
|
|
mFocusNoteDataItem = ((NotesListItem) view).getItemData();
|
|
|
if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) {
|
|
|
if (mNotesListView.startActionMode(mModeCallBack) != null) {
|
|
|
mModeCallBack.onItemCheckedStateChanged(null, position, id, true);
|
|
|
mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
|
|
|
} else {
|
|
|
Log.e(TAG, "startActionMode fails");
|
|
|
}
|
|
|
} else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) {
|
|
|
mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener);
|
|
|
}
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
}
|
