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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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public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
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private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
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private static final int FOLDER_LIST_QUERY_TOKEN = 1;
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private static final int MENU_FOLDER_DELETE = 0;
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private static final int MENU_FOLDER_VIEW = 1;
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private static final int MENU_FOLDER_CHANGE_NAME = 2;
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private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
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private enum ListEditState {
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NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
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};
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private ListEditState mState;
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private BackgroundQueryHandler mBackgroundQueryHandler;
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private NotesListAdapter mNotesListAdapter;
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private ListView mNotesListView;
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private Button mAddNewNote;
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private boolean mDispatch;
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private int mOriginY;
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private int mDispatchY;
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private TextView mTitleBar;
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private long mCurrentFolderId;
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private ContentResolver mContentResolver;
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private ModeCallback mModeCallBack;
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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;
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private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";
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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;
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private final static int REQUEST_CODE_NEW_NODE = 103;
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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();
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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) {
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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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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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in = getResources().openRawResource(R.raw.introduction);
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if (in != null) {
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InputStreamReader isr = new InputStreamReader(in);
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BufferedReader br = new BufferedReader(isr);
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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);
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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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@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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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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private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
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private DropdownMenu mDropDownMenu;
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private ActionMode mActionMode;
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private MenuItem mMoveMenu;
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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() {
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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);
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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) {
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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) {
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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) {
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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() {
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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) {
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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) {
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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 {
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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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Display display = getWindowManager().getDefaultDisplay();
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int screenHeight = display.getHeight();
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int newNoteViewHeight = mAddNewNote.getHeight();
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int start = screenHeight - newNoteViewHeight;
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int eventY = start + (int) event.getY();
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/**
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* Minus TitleBar's height
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*/
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if (mState == ListEditState.SUB_FOLDER) {
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eventY -= mTitleBar.getHeight();
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start -= mTitleBar.getHeight();
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}
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/**
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* HACKME:When click the transparent part of "New Note" button, dispatch
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* the event to the list view behind this button. The transparent part of
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* "New Note" button could be expressed by formula y=-0.12x+94（Unit:pixel）
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* and the line top of the button. The coordinate based on left of the "New
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* Note" button. The 94 represents maximum height of the transparent part.
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* Notice that, if the background of the button changes, the formula should
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* also change. This is very bad, just for the UI designer's strong requirement.
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*/
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if (event.getY() < (event.getX() * (-0.12) + 94)) {
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View view = mNotesListView.getChildAt(mNotesListView.getChildCount() - 1
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- mNotesListView.getFooterViewsCount());
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if (view != null && view.getBottom() > start
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&& (view.getTop() < (start + 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);
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}
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}
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break;
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}
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case MotionEvent.ACTION_MOVE: {
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if (mDispatch) {
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mDispatchY += (int) event.getY() - mOriginY;
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event.setLocation(event.getX(), mDispatchY);
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return mNotesListView.dispatchTouchEvent(event);
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}
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break;
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}
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default: {
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if (mDispatch) {
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event.setLocation(event.getX(), mDispatchY);
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mDispatch = false;
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return mNotesListView.dispatchTouchEvent(event);
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}
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break;
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}
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}
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return false;
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}
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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
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: 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, new String[] {
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String.valueOf(mCurrentFolderId)
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}, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC");
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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:
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mNotesListAdapter.changeCursor(cursor);
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break;
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case FOLDER_LIST_QUERY_TOKEN:
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if (cursor != null && cursor.getCount() > 0) {
|
|
|
showFolderListMenu(cursor);
|
|
|
} else {
|
|
|
Log.e(TAG, "Query folder failed");
|
|
|
}
|
|
|
break;
|
|
|
default:
|
|
|
return;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
private void showFolderListMenu(Cursor cursor) {
|
|
|
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() {
|
|
|
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() {
|
|
|
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) {
|
|
|
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) {
|
|
|
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) {
|
|
|
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) {
|
|
|
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() {
|
|
|
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
|
|
|
if (inputMethodManager != null) {
|
|
|
inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
private void hideSoftInput(View view) {
|
|
|
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
|
|
|
inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
|
|
|
}
|
|
|
|
|
|
private void showCreateOrModifyFolderDialog(final boolean create) {
|
|
|
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() {
|
|
|
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)) {
|
|
|
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)) {
|
|
|
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())) {
|
|
|
positive.setEnabled(false);
|
|
|
}
|
|
|
/**
|
|
|
* When the name edit text is null, disable the positive button
|
|
|
*/
|
|
|
etName.addTextChangedListener(new TextWatcher() {
|
|
|
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) {
|
|
|
if (TextUtils.isEmpty(etName.getText())) {
|
|
|
positive.setEnabled(false);
|
|
|
} else {
|
|
|
positive.setEnabled(true);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public void afterTextChanged(Editable s) {
|
|
|
// TODO Auto-generated method stub
|
|
|
|
|
|
}
|
|
|
});
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public void onBackPressed() {
|
|
|
switch (mState) {
|
|
|
case SUB_FOLDER:
|
|
|
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
|
|
|
mState = ListEditState.NOTE_LIST;
|
|
|
startAsyncNotesListQuery();
|
|
|
mTitleBar.setVisibility(View.GONE);
|
|
|
break;
|
|
|
case CALL_RECORD_FOLDER:
|
|
|
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
|
|
|
mState = ListEditState.NOTE_LIST;
|
|
|
mAddNewNote.setVisibility(View.VISIBLE);
|
|
|
mTitleBar.setVisibility(View.GONE);
|
|
|
startAsyncNotesListQuery();
|
|
|
break;
|
|
|
case NOTE_LIST:
|
|
|
super.onBackPressed();
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
private void updateWidget(int appWidgetId, int appWidgetType) {
|
|
|
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() {
|
|
|
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) {
|
|
|
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:
|
|
|
openFolder(mFocusNoteDataItem);
|
|
|
break;
|
|
|
case MENU_FOLDER_DELETE:
|
|
|
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:
|
|
|
showCreateOrModifyFolderDialog(false);
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public boolean onPrepareOptionsMenu(Menu menu) {
|
|
|
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) {
|
|
|
switch (item.getItemId()) {
|
|
|
case R.id.menu_new_folder: {
|
|
|
showCreateOrModifyFolderDialog(true);
|
|
|
break;
|
|
|
}
|
|
|
case R.id.menu_export_text: {
|
|
|
exportNoteToText();
|
|
|
break;
|
|
|
}
|
|
|
case R.id.menu_sync: {
|
|
|
if (isSyncMode()) {
|
|
|
if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) {
|
|
|
GTaskSyncService.startSync(this);
|
|
|
} else {
|
|
|
GTaskSyncService.cancelSync(this);
|
|
|
}
|
|
|
} else {
|
|
|
startPreferenceActivity();
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case R.id.menu_setting: {
|
|
|
startPreferenceActivity();
|
|
|
break;
|
|
|
}
|
|
|
case R.id.menu_new_note: {
|
|
|
createNewNote();
|
|
|
break;
|
|
|
}
|
|
|
case R.id.menu_search:
|
|
|
onSearchRequested();
|
|
|
break;
|
|
|
default:
|
|
|
break;
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public boolean onSearchRequested() {
|
|
|
startSearch(null, false, null /* appData */, false);
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
private void exportNoteToText() {
|
|
|
final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this);
|
|
|
new AsyncTask<Void, Void, Integer>() {
|
|
|
|
|
|
@Override
|
|
|
protected Integer doInBackground(Void... unused) {
|
|
|
return backup.exportToText();
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
protected void onPostExecute(Integer result) {
|
|
|
if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) {
|
|
|
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_unmounted));
|
|
|
builder.setPositiveButton(android.R.string.ok, null);
|
|
|
builder.show();
|
|
|
} else if (result == BackupUtils.STATE_SUCCESS) {
|
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this);
|
|
|
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) {
|
|
|
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() {
|
|
|
return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0;
|
|
|
}
|
|
|
|
|
|
private void startPreferenceActivity() {
|
|
|
Activity from = getParent() != null ? getParent() : this;
|
|
|
Intent intent = new Intent(from, NotesPreferenceActivity.class);
|
|
|
from.startActivityIfNeeded(intent, -1);
|
|
|
}
|
|
|
|
|
|
private class OnListItemClickListener implements OnItemClickListener {
|
|
|
|
|
|
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
|
|
|
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) {
|
|
|
case NOTE_LIST:
|
|
|
if (item.getType() == Notes.TYPE_FOLDER
|
|
|
|| 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() {
|
|
|
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) {
|
|
|
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;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
package net.micode.notes.ui;
|
|
|
|
|
|
import android.app.Activity;
|
|
|
import android.app.AlertDialog;
|
|
|
import android.app.Dialog;
|
|
|
import android.appwidget.AppWidgetManager;
|
|
|
import android.content.AsyncQueryHandler;
|
|
|
import android.content.ContentResolver;
|
|
|
import android.content.ContentValues;
|
|
|
import android.content.Context;
|
|
|
import android.content.DialogInterface;
|
|
|
import android.content.Intent;
|
|
|
import android.content.SharedPreferences;
|
|
|
import android.database.Cursor;
|
|
|
import android.os.AsyncTask;
|
|
|
import android.os.Bundle;
|
|
|
import android.preference.PreferenceManager;
|
|
|
import android.text.Editable;
|
|
|
import android.text.TextUtils;
|
|
|
import android.text.TextWatcher;
|
|
|
import android.util.Log;
|
|
|
import android.view.ActionMode;
|
|
|
import android.view.ContextMenu;
|
|
|
import android.view.ContextMenu.ContextMenuInfo;
|
|
|
import android.view.Display;
|
|
|
import android.view.HapticFeedbackConstants;
|
|
|
import android.view.LayoutInflater;
|
|
|
import android.view.Menu;
|
|
|
import android.view.MenuItem;
|
|
|
import android.view.MenuItem.OnMenuItemClickListener;
|
|
|
import android.view.MotionEvent;
|
|
|
import android.view.View;
|
|
|
import android.view.View.OnClickListener;
|
|
|
import android.view.View.OnCreateContextMenuListener;
|
|
|
import android.view.View.OnTouchListener;
|
|
|
import android.view.inputmethod.InputMethodManager;
|
|
|
import android.widget.AdapterView;
|
|
|
import android.widget.AdapterView.OnItemClickListener;
|
|
|
import android.widget.AdapterView.OnItemLongClickListener;
|
|
|
import android.widget.Button;
|
|
|
import android.widget.EditText;
|
|
|
import android.widget.ListView;
|
|
|
import android.widget.PopupMenu;
|
|
|
import android.widget.TextView;
|
|
|
import android.widget.Toast;
|
|
|
|
|
|
import net.micode.notes.R;
|
|
|
import net.micode.notes.data.Notes;
|
|
|
import net.micode.notes.data.Notes.NoteColumns;
|
|
|
import net.micode.notes.gtask.remote.GTaskSyncService;
|
|
|
import net.micode.notes.model.WorkingNote;
|
|
|
import net.micode.notes.tool.BackupUtils;
|
|
|
import net.micode.notes.tool.DataUtils;
|
|
|
import net.micode.notes.tool.ResourceParser;
|
|
|
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
|
|
|
import net.micode.notes.widget.NoteWidgetProvider_2x;
|
|
|
import net.micode.notes.widget.NoteWidgetProvider_4x;
|
|
|
|
|
|
import java.io.BufferedReader;
|
|
|
import java.io.IOException;
|
|
|
import java.io.InputStream;
|
|
|
import java.io.InputStreamReader;
|
|
|
import java.util.HashSet;
|
|
|
|
|
|
// NotesListActivity类是一个Android中的Activity，主要用于展示便签列表，实现了便签的查询、添加、删除、移动、文件夹相关操作以及与小部件更新等功能交互，
|
|
|
// 同时处理了各种用户交互事件，如点击、长按、触摸等操作对应的逻辑。
|
|
|
public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
|
|
|
|
|
|
// 用于标识查询文件夹下便签列表的操作标记，在异步查询处理中作为区分不同查询任务的标识。
|
|
|
private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
|
|
|
// 用于标识查询文件夹列表的操作标记，在异步查询处理中作为区分不同查询任务的标识。
|
|
|
private static final int FOLDER_LIST_QUERY_TOKEN = 1;
|
|
|
// 菜单中删除文件夹选项对应的ID。
|
|
|
private static final int MENU_FOLDER_DELETE = 0;
|
|
|
// 菜单中查看文件夹选项对应的ID。
|
|
|
private static final int MENU_FOLDER_VIEW = 1;
|
|
|
// 菜单中修改文件夹名称选项对应的ID。
|
|
|
private static final int MENU_FOLDER_CHANGE_NAME = 2;
|
|
|
// 用于存储是否添加应用介绍的偏好设置的键名，用于判断是否首次使用应用时展示相关介绍内容。
|
|
|
private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction";
|
|
|
|
|
|
// 定义一个枚举类型，表示列表编辑的不同状态，包括普通便签列表、子文件夹以及通话记录文件夹这几种情况，方便根据不同状态处理相应逻辑。
|
|
|
private enum ListEditState {
|
|
|
NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER
|
|
|
};
|
|
|
|
|
|
// 用于记录当前列表编辑的状态，初始化为普通便签列表状态（`NOTE_LIST`）。
|
|
|
private ListEditState mState;
|
|
|
// 用于处理后台数据库查询操作的异步查询处理器对象，通过它可以在后台线程中执行数据库查询任务，并在查询完成后在主线程处理结果。
|
|
|
private BackgroundQueryHandler mBackgroundQueryHandler;
|
|
|
// 用于适配便签列表数据并展示在列表视图中的适配器对象，负责将从数据库获取的便签数据转换为适合在列表中展示的视图项。
|
|
|
private NotesListAdapter mNotesListAdapter;
|
|
|
// 用于展示便签列表的列表视图组件，用户可以在该视图中看到便签的各项信息，并进行相应的交互操作（如点击、长按等）。
|
|
|
private ListView mNotesListView;
|
|
|
// 用于添加新便签的按钮组件，用户点击该按钮可以创建新的便签。
|
|
|
private Button mAddNewNote;
|
|
|
// 用于标记是否进行事件分发的布尔变量，在处理触摸事件时根据条件判断是否将事件分发给列表视图进行处理。
|
|
|
private boolean mDispatch;
|
|
|
// 用于记录触摸事件起始的Y坐标，在处理触摸相关逻辑时使用，比如判断触摸位置的变化等情况。
|
|
|
private int mOriginY;
|
|
|
// 用于记录分发触摸事件时的Y坐标，在触摸事件处理过程中进行坐标相关的计算和调整时使用。
|
|
|
private int mDispatchY;
|
|
|
// 用于显示标题栏的文本视图组件，根据不同的列表状态（如进入不同文件夹时）显示相应的标题内容。
|
|
|
private TextView mTitleBar;
|
|
|
// 用于记录当前所在文件夹的ID，通过改变该值可以切换显示不同文件夹下的便签列表内容等操作。
|
|
|
private long mCurrentFolderId;
|
|
|
// 用于与内容提供器进行交互，访问和操作应用的数据（如便签相关的数据存储等），通过它可以进行数据库查询、插入、更新、删除等操作。
|
|
|
private ContentResolver mContentResolver;
|
|
|
// 用于处理列表视图进入多选模式时的回调逻辑，实现了相关的接口方法，来处理多选模式下的菜单创建、选项点击、状态改变等操作。
|
|
|
private ModeCallback mModeCallBack;
|
|
|
|
|
|
// 用于日志记录的标签，方便在日志输出中识别该类相关的日志信息。
|
|
|
private static final String TAG = "NotesListActivity";
|
|
|
// 定义便签列表视图滚动的速率，用于控制列表滚动的速度等相关操作（具体使用场景可能在列表滚动相关逻辑中体现）。
|
|
|
public static final int NOTES_LISTVIEW_SCROLL_RATE = 30;
|
|
|
// 用于临时存储当前获得焦点的便签数据项对象，在处理长按等操作获取便签相关信息后进行暂存，方便后续使用（比如进行文件夹操作等关联逻辑时）。
|
|
|
private NoteItemData mFocusNoteDataItem;
|
|
|
|
|
|
// 定义查询普通文件夹下便签的选择条件字符串，用于数据库查询语句中指定筛选符合条件的便签记录，这里表示筛选父ID等于指定值的便签。
|
|
|
private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?";
|
|
|
// 定义查询根文件夹下便签的选择条件字符串，用于数据库查询语句中指定筛选符合条件的便签记录，这里的条件相对复杂，涉及类型、父ID以及便签数量等多个条件的组合判断。
|
|
|
private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>"
|
|
|
+ Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR ("
|
|
|
+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND "
|
|
|
+ NoteColumns.NOTES_COUNT + ">0)";
|
|
|
|
|
|
// 用于标识打开便签节点（查看或编辑便签）的请求码，在`onActivityResult`方法中通过该请求码判断返回结果对应的操作情况。
|
|
|
private final static int REQUEST_CODE_OPEN_NODE = 102;
|
|
|
// 用于标识新建便签的请求码，在`onActivityResult`方法中通过该请求码判断返回结果对应的操作情况。
|
|
|
private final static int REQUEST_CODE_NEW_NODE = 103;
|
|
|
|
|
|
// Activity创建时调用的方法，进行一些初始化操作，如设置布局、初始化资源等，并处理首次使用应用时插入应用介绍的逻辑。
|
|
|
@Override
|
|
|
protected void onCreate(Bundle savedInstanceState) {
|
|
|
super.onCreate(savedInstanceState);
|
|
|
setContentView(R.layout.note_list);
|
|
|
initResources();
|
|
|
|
|
|
/**
|
|
|
* Insert an introduction when user firstly use this application
|
|
|
*/
|
|
|
setAppInfoFromRawRes();
|
|
|
}
|
|
|
|
|
|
// 当Activity结束并返回结果时调用的方法，根据请求码和结果码判断是否需要更新便签列表适配器的数据（比如在新建或打开便签操作返回后），如果不符合条件则调用父类的相应方法处理。
|
|
|
@Override
|
|
|
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
|
|
|
if (resultCode == RESULT_OK
|
|
|
&& (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) {
|
|
|
mNotesListAdapter.changeCursor(null);
|
|
|
} else {
|
|
|
super.onActivityResult(requestCode, resultCode, data);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// 用于在用户首次使用应用时，从原始资源文件（`R.raw.introduction`）中读取应用介绍内容，并创建一个空的便签将介绍内容存入，保存到数据库中，同时设置对应的偏好设置表示已添加介绍内容。
|
|
|
private void setAppInfoFromRawRes() {
|
|
|
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
|
|
|
if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) {
|
|
|
StringBuilder sb = new StringBuilder();
|
|
|
InputStream in = null;
|
|
|
try {
|
|
|
// 打开原始资源文件的输入流，准备读取其中的内容。
|
|
|
in = getResources().openRawResource(R.raw.introduction);
|
|
|
if (in!= null) {
|
|
|
InputStreamReader isr = new InputStreamReader(in);
|
|
|
BufferedReader br = new BufferedReader(isr);
|
|
|
char[] buf = new char[1024];
|
|
|
int len = 0;
|
|
|
while ((len = br.read(buf)) > 0) {
|
|
|
// 将读取到的字符逐个添加到字符串构建器中，拼接成完整的介绍内容字符串。
|
|
|
sb.append(buf, 0, len);
|
|
|
}
|
|
|
} else {
|
|
|
Log.e(TAG, "Read introduction file error");
|
|
|
return;
|
|
|
}
|
|
|
} catch (IOException e) {
|
|
|
e.printStackTrace();
|
|
|
return;
|
|
|
} finally {
|
|
|
if (in!= null) {
|
|
|
try {
|
|
|
in.close();
|
|
|
} catch (IOException e) {
|
|
|
// 捕获关闭输入流时可能出现的异常，进行打印栈信息处理（通常是进行一些错误日志记录等）。
|
|
|
e.printStackTrace();
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// 创建一个空的工作便签对象，传入相关参数（如所在文件夹ID、小部件ID、便签类型、颜色等信息），用于存储应用介绍内容。
|
|
|
WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER,
|
|
|
AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE,
|
|
|
ResourceParser.RED);
|
|
|
note.setWorkingText(sb.toString());
|
|
|
if (note.saveNote()) {
|
|
|
sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit();
|
|
|
} else {
|
|
|
Log.e(TAG, "Save introduction note error");
|
|
|
return;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// Activity启动时调用的方法，在这里主要启动异步的便签列表查询任务，获取并展示相应的便签列表数据。
|
|
|
@Override
|
|
|
protected void onStart() {
|
|
|
super.onStart();
|
|
|
startAsyncNotesListQuery();
|
|
|
}
|
|
|
|
|
|
// 用于初始化各种资源相关的组件和变量，如获取内容解析器、创建异步查询处理器、找到布局中的列表视图、按钮等组件，并设置相应的监听器和初始状态等。
|
|
|
private void initResources() {
|
|
|
mContentResolver = this.getContentResolver();
|
|
|
mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver());
|
|
|
mCurrentFolderId = Notes.ID_ROOT_FOLDER;
|
|
|
mNotesListView = (ListView) findViewById(R.id.notes_list);
|
|
|
mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null),
|
|
|
null, false);
|
|
|
mNotesListView.setOnItemClickListener(new OnListItemClickListener());
|
|
|
mNotesListView.setOnItemLongClickListener(this);
|
|
|
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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// 内部类，实现了`ListView.MultiChoiceModeListener`和`OnMenuItemClickListener`接口，用于处理列表视图进入多选模式时的各种逻辑，
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// 包括创建多选菜单、处理菜单选项点击、更新菜单状态以及响应列表项选中状态改变等操作。
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private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener {
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private DropdownMenu mDropDownMenu;
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private ActionMode mActionMode;
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private MenuItem mMoveMenu;
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// 当多选模式被创建时调用的方法，用于初始化多选模式下的菜单，设置菜单项的可见性、点击监听器等，并进行一些相关的界面显示调整（如隐藏添加新便签按钮等）。
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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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// 用于更新多选模式下的下拉菜单状态，根据已选中的便签数量更新菜单标题以及全选/取消全选菜单项的显示状态和标题文本。
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private void updateMenu() {
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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);
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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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// 在准备多选模式下的菜单时调用的方法（目前该方法未实现具体逻辑，只是按照接口要求返回`false`），可用于根据当前状态动态调整菜单选项等情况。
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public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
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|
// TODO Auto-generated method stub
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return false;
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}
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// 当多选模式下的菜单项被点击时调用的方法（目前该方法未实现具体的点击逻辑处理，只是按照接口要求返回`false`），用于处理具体的菜单项点击操作对应的业务逻辑。
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|
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
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|
// TODO Auto-generated method stub
|
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|
return false;
|
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|
}
|
|
|
|
|
|
// 当多选模式被销毁时调用的方法，用于恢复列表的相关设置，如取消选择模式、恢复长按可点击状态、重新显示添加新便签按钮等。
|
|
|
public void onDestroyActionMode(ActionMode mode) {
|
|
|
mNotesListAdapter.setChoiceMode(false);
|
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|
mNotesListView.setLongClickable(true);
|
|
|
mAddNewNote.setVisibility(View.VISIBLE);
|
|
|
}
|
|
|
|
|
|
// 用于手动结束多选模式，调用`ActionMode`的`finish`方法来关闭多选模式相关的界面显示等。
|
|
|
public void finishActionMode() {
|
|
|
mActionMode.finish();
|
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|
}
|
|
|
|
|
|
// 当列表项的选中状态发生改变时调用的方法，用于更新适配器中对应项的选中状态，并调用`updateMenu`方法更新菜单状态显示。
|
|
|
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
|
|
|
boolean checked) {
|
|
|
mNotesListAdapter.setCheckedItem(position, checked);
|
|
|
updateMenu();
|
|
|
}
|
|
|
|
|
|
// 处理菜单项点击事件的方法，根据点击的
|
