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/*
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* 版权所有 (c) 2010-2011，The MiCode 开源社区 (www.micode.net)
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*
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* 本软件根据 Apache 许可证 2.0 版（"许可证"）发布；
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* 除非符合许可证，否则不得使用此文件。
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* 您可以在以下网址获取许可证副本：
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* 除非法律要求或书面同意，软件
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* 根据许可证分发的内容按"原样"提供，
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* 不附带任何明示或暗示的保证或条件。
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* 请参阅许可证，了解有关权限和限制的具体语言。
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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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* 笔记列表主活动
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* 功能：
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* 1. 展示笔记、文件夹、通话记录的列表界面
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* 2. 支持多选模式下的批量操作（删除、移动）
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* 3. 处理文件夹的创建、重命名、删除
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* 4. 集成同步服务（GTaskSyncService）和桌面小部件更新
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* 5. 实现数据备份与恢复（导出为文本）
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* 6. 管理不同层级的列表状态（根目录、子文件夹、通话记录文件夹）
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*/
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public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
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private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; // 笔记/文件夹列表查询令牌
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private static final int FOLDER_LIST_QUERY_TOKEN = 1; // 目标文件夹列表查询令牌
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private static final int MENU_FOLDER_DELETE = 0; // 文件夹删除菜单项ID
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private static final int MENU_FOLDER_VIEW = 1; // 文件夹查看菜单项ID
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private static final int MENU_FOLDER_CHANGE_NAME = 2; // 文件夹重命名菜单项ID
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private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; // 首次启动引导标记
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private enum ListEditState { NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER };// 列表状态枚举
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private ListEditState mState; // 当前列表状态
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private BackgroundQueryHandler mBackgroundQueryHandler; // 后台查询处理器
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private NotesListAdapter mNotesListAdapter; // 列表适配器
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private ListView mNotesListView; // 列表视图
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private Button mAddNewNote; // 新建笔记按钮
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private boolean mDispatch; // 触摸事件分发标记
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private int mOriginY, mDispatchY; // 触摸坐标记录
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private TextView mTitleBar; // 标题栏
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private long mCurrentFolderId; // 当前文件夹ID（根目录/子文件夹）
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private ContentResolver mContentResolver; // 内容解析器
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private ModeCallback mModeCallBack; // 多选模式回调
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private static final String TAG = "NotesListActivity";
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public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
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private NoteItemData mFocusNoteDataItem; // 长按选中的笔记/文件夹数据
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// 查询条件：普通列表（子文件夹下的项）
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private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";
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// 查询条件：根目录列表（包含普通文件夹和通话记录文件夹）
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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)";
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private final static int REQUEST_CODE_OPEN_NODE = 102; // 打开笔记/文件夹请求码
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private final static int REQUEST_CODE_NEW_NODE = 103; // 新建笔记请求码
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.note_list);
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initResources(); // 初始化界面元素和数据
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// 首次启动时插入引导笔记
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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) {
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// 处理笔记编辑返回结果，刷新列表
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if (resultCode == RESULT_OK && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
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mNotesListAdapter.changeCursor(null); // 触发适配器更新
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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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* 首次启动时从raw资源读取引导内容并创建引导笔记
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*/
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private void setAppInfoFromRawRes() {
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SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
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if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
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StringBuilder sb = new StringBuilder();
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InputStream in = null;
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try {
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// 读取raw资源中的引导文本
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in = getResources().openRawResource(R.raw.introduction);
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if (in != null) {
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BufferedReader br = new BufferedReader(new InputStreamReader(in));
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char[] buf = new char[1024];
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int len;
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while ((len = br.read(buf)) > 0) {
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sb.append(buf, 0, len);
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}
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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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DataUtils.closeQuietly(in); // 关闭流工具方法
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}
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// 创建引导笔记
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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(); // 标记已创建引导笔记
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}
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}
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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(); // 启动异步查询加载列表数据
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}
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/**
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* 初始化界面元素和适配器
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*/
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private void initResources() {
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mContentResolver = getContentResolver();
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mBackgroundQueryHandler = new BackgroundQueryHandler(mContentResolver);
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mCurrentFolderId = Notes.ID_ROOT_FOLDER; // 初始化为根目录
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// 初始化列表视图
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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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mNotesListView.setOnItemClickListener(new OnListItemClickListener());
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mNotesListView.setOnItemLongClickListener(this);
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// 设置适配器
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mNotesListAdapter = new NotesListAdapter(this);
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mNotesListView.setAdapter(mNotesListAdapter);
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// 新建笔记按钮
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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()); // 自定义触摸事件处理
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// 标题栏和状态初始化
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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(); // 多选模式回调实例
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}
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/**
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* 多选模式回调类（处理ActionMode相关逻辑）
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*/
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private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
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private DropdownMenu mDropDownMenu; // 下拉菜单
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private ActionMode mActionMode; // 操作模式
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// 创建ActionMode时初始化菜单
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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); // 删除菜单项监听
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// 移动菜单项可见性控制（通话记录文件夹或无用户文件夹时隐藏）
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mMoveMenu = menu.findItem(R.id.move);
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boolean isCallRecordFolder = mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER;
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boolean hasUserFolders = DataUtils.getUserFolderCount(mContentResolver) > 0;
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mMoveMenu.setVisible(!isCallRecordFolder && hasUserFolders);
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if (mMoveMenu.isVisible()) {
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mMoveMenu.setOnMenuItemClickListener(this); // 移动菜单项监听
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}
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// 设置自定义ActionMode视图（包含下拉菜单）
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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(item -> {
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mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); // 切换全选状态
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updateMenu(); // 更新菜单显示
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return true;
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});
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mActionMode = mode;
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mNotesListAdapter.setChoiceMode(true); // 启用多选模式
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mNotesListView.setLongClickable(false); // 禁用长按事件
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mAddNewNote.setVisibility(View.GONE); // 隐藏新建按钮
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return true;
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}
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// 更新菜单显示（选中数量和全选状态）
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private void updateMenu() {
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int selectedCount = mNotesListAdapter.getSelectedCount();
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mDropDownMenu.setTitle(getString(R.string.menu_select_title, selectedCount));
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MenuItem selectAllItem = mDropDownMenu.findItem(R.id.action_select_all);
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if (selectAllItem != null) {
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boolean isAllSelected = mNotesListAdapter.isAllSelected();
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selectAllItem.setChecked(isAllSelected);
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selectAllItem.setTitle(isAllSelected ? R.string.menu_deselect_all : R.string.menu_select_all);
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}
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}
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// 处理菜单项点击（删除、移动）
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public boolean onMenuItemClick(MenuItem item) {
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if (mNotesListAdapter.getSelectedCount() == 0) {
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Toast.makeText(this, R.string.menu_select_none, 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: // 删除选中项
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showDeleteConfirmationDialog();
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break;
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case R.id.move: // 移动选中项到目标文件夹
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startQueryDestinationFolders();
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break;
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}
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return true;
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}
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// 省略其他MultiChoiceModeListener接口方法（见完整代码）
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}
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/**
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* 新建笔记按钮触摸事件处理器（处理透明区域的事件分发）
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*/
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private class NewNoteOnTouchListener implements OnTouchListener {
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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: {
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// 计算坐标并判断是否触发事件分发（按钮透明区域逻辑）
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Display display = getWindowManager().getDefaultDisplay();
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int screenHeight = display.getHeight();
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int buttonHeight = mAddNewNote.getHeight();
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int startY = screenHeight - buttonHeight;
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int eventY = startY + (int) event.getY();
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// 调整子文件夹状态下的坐标（减去标题栏高度）
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if (mState == ListEditState.SUB_FOLDER) {
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eventY -= mTitleBar.getHeight();
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startY -= mTitleBar.getHeight();
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}
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// 透明区域判断公式（根据UI设计硬编码，需与按钮背景匹配）
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if (event.getY() < (-0.12 * event.getX() + 94)) {
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View lastItem = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
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- mNotesListView.getFooterViewsCount());
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if (lastItem != null && lastItem.getBottom() > startY && lastItem.getTop() < (startY + 94)) {
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mOriginY = (int) event.getY();
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mDispatchY = eventY;
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event.setLocation(event.getX(), mDispatchY);
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mDispatch = true;
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return mNotesListView.dispatchTouchEvent(event); // 分发事件到列表视图
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}
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}
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break;
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}
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// 省略其他触摸事件处理（见完整代码）
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}
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return false;
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}
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}
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/**
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* 启动异步查询加载列表数据
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*/
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private void startAsyncNotesListQuery() {
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String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION : NORMAL_SELECTION;
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mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null,
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Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection,
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new String[]{String.valueOf(mCurrentFolderId)},
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NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC"); // 按类型降序（文件夹优先）、修改时间降序排序
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}
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/**
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* 后台查询处理器（处理Cursor加载回调）
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*/
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private final class BackgroundQueryHandler extends AsyncQueryHandler {
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public BackgroundQueryHandler(ContentResolver contentResolver) {
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super(contentResolver);
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}
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@Override
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protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
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switch (token) {
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case FOLDER_NOTE_LIST_QUERY_TOKEN: // 笔记/文件夹列表查询结果
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mNotesListAdapter.changeCursor(cursor); // 更新适配器数据
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break;
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case FOLDER_LIST_QUERY_TOKEN: // 目标文件夹列表查询结果
|
|
|
if (cursor != null && cursor.getCount() > 0) {
|
|
|
showFolderListMenu(cursor); // 显示文件夹选择菜单
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 显示文件夹选择菜单（用于移动操作）
|
|
|
*/
|
|
|
private void showFolderListMenu(Cursor cursor) {
|
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(this);
|
|
|
builder.setTitle(R.string.menu_title_select_folder);
|
|
|
final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor);
|
|
|
builder.setAdapter(adapter, (dialog, which) -> {
|
|
|
// 执行批量移动操作
|
|
|
DataUtils.batchMoveToFolder(mContentResolver,
|
|
|
mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which));
|
|
|
Toast.makeText(this, getString(R.string.format_move_notes_to_folder,
|
|
|
mNotesListAdapter.getSelectedCount(), adapter.getFolderName(this, which)),
|
|
|
Toast.LENGTH_SHORT).show();
|
|
|
mModeCallBack.finishActionMode(); // 结束多选模式
|
|
|
});
|
|
|
builder.show();
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 新建笔记
|
|
|
*/
|
|
|
private void createNewNote() {
|
|
|
Intent intent = new Intent(this, NoteEditActivity.class);
|
|
|
intent.setAction(Intent.ACTION_INSERT_OR_EDIT);
|
|
|
intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId);
|
|
|
startActivityForResult(intent, REQUEST_CODE_NEW_NODE);
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 批量删除选中项（异步处理，支持同步模式下移动到回收站）
|
|
|
*/
|
|
|
private void batch |
