297 lines
11 KiB
Java
297 lines
11 KiB
Java
/*
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* Copyright (C) 2009 The Android Open Source Project
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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 com.android.settings.inputmethod;
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import android.annotation.Nullable;
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import android.app.ActionBar;
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import android.app.ListFragment;
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import android.app.LoaderManager;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.Loader;
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import android.database.Cursor;
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import android.os.Bundle;
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import android.provider.UserDictionary;
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import android.text.TextUtils;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AlphabetIndexer;
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import android.widget.ListAdapter;
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import android.widget.ListView;
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import android.widget.SectionIndexer;
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import android.widget.SimpleCursorAdapter;
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import android.widget.TextView;
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import com.android.internal.logging.nano.MetricsProto;
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import com.android.settings.overlay.FeatureFactory;
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import com.android.settings.R;
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import com.android.settings.SettingsActivity;
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import com.android.settingslib.core.instrumentation.Instrumentable;
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import com.android.settingslib.core.instrumentation.VisibilityLoggerMixin;
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public class UserDictionarySettings extends ListFragment implements Instrumentable,
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LoaderManager.LoaderCallbacks<Cursor> {
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private static final String DELETE_SELECTION_WITH_SHORTCUT = UserDictionary.Words.WORD
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+ "=? AND " + UserDictionary.Words.SHORTCUT + "=?";
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private static final String DELETE_SELECTION_WITHOUT_SHORTCUT = UserDictionary.Words.WORD
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+ "=? AND " + UserDictionary.Words.SHORTCUT + " is null OR "
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+ UserDictionary.Words.SHORTCUT + "=''";
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private static final int OPTIONS_MENU_ADD = Menu.FIRST;
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private static final int LOADER_ID = 1;
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private VisibilityLoggerMixin mVisibilityLoggerMixin;
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private Cursor mCursor;
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private String mLocale;
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@Override
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public int getMetricsCategory() {
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return MetricsProto.MetricsEvent.USER_DICTIONARY_SETTINGS;
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}
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@Override
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public void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mVisibilityLoggerMixin = new VisibilityLoggerMixin(getMetricsCategory(),
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FeatureFactory.getFactory(getContext()).getMetricsFeatureProvider());
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final Intent intent = getActivity().getIntent();
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final String localeFromIntent =
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null == intent ? null : intent.getStringExtra("locale");
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final Bundle arguments = getArguments();
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final String localeFromArguments =
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null == arguments ? null : arguments.getString("locale");
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final String locale;
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if (null != localeFromArguments) {
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locale = localeFromArguments;
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} else if (null != localeFromIntent) {
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locale = localeFromIntent;
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} else {
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locale = null;
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}
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mLocale = locale;
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setHasOptionsMenu(true);
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getLoaderManager().initLoader(LOADER_ID, null, this /* callback */);
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}
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@Override
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public View onCreateView(
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LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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// Show the language as a subtitle of the action bar
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final ActionBar actionBar = getActivity().getActionBar();
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if (actionBar != null) {
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actionBar.setTitle(R.string.user_dict_settings_title);
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actionBar.setSubtitle(
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UserDictionarySettingsUtils.getLocaleDisplayName(getActivity(), mLocale));
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}
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return inflater.inflate(
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com.android.internal.R.layout.preference_list_fragment, container, false);
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}
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@Override
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public void onViewCreated(View view, Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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TextView emptyView = getView().findViewById(android.R.id.empty);
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emptyView.setText(R.string.user_dict_settings_empty_text);
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final ListView listView = getListView();
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listView.setFastScrollEnabled(true);
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listView.setEmptyView(emptyView);
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}
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@Override
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public void onResume() {
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super.onResume();
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mVisibilityLoggerMixin.onResume();
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getLoaderManager().restartLoader(LOADER_ID, null, this /* callback */);
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}
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private ListAdapter createAdapter() {
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return new MyAdapter(getActivity(),
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R.layout.user_dictionary_item, mCursor,
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new String[]{UserDictionary.Words.WORD, UserDictionary.Words.SHORTCUT},
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new int[]{android.R.id.text1, android.R.id.text2});
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}
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@Override
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public void onListItemClick(ListView l, View v, int position, long id) {
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final String word = getWord(position);
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final String shortcut = getShortcut(position);
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if (word != null) {
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showAddOrEditDialog(word, shortcut);
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}
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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MenuItem actionItem =
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menu.add(0, OPTIONS_MENU_ADD, 0, R.string.user_dict_settings_add_menu_title)
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.setIcon(R.drawable.ic_menu_add_white);
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actionItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM |
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MenuItem.SHOW_AS_ACTION_WITH_TEXT);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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if (item.getItemId() == OPTIONS_MENU_ADD) {
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showAddOrEditDialog(null, null);
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return true;
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}
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return false;
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}
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@Override
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public void onPause() {
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super.onPause();
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mVisibilityLoggerMixin.onPause();
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}
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/**
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* Add or edit a word. If editingWord is null, it's an add; otherwise, it's an edit.
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*
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* @param editingWord the word to edit, or null if it's an add.
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* @param editingShortcut the shortcut for this entry, or null if none.
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*/
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private void showAddOrEditDialog(final String editingWord, final String editingShortcut) {
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final Bundle args = new Bundle();
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args.putInt(UserDictionaryAddWordContents.EXTRA_MODE, null == editingWord
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? UserDictionaryAddWordContents.MODE_INSERT
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: UserDictionaryAddWordContents.MODE_EDIT);
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args.putString(UserDictionaryAddWordContents.EXTRA_WORD, editingWord);
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args.putString(UserDictionaryAddWordContents.EXTRA_SHORTCUT, editingShortcut);
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args.putString(UserDictionaryAddWordContents.EXTRA_LOCALE, mLocale);
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SettingsActivity sa = (SettingsActivity) getActivity();
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sa.startPreferencePanel(this,
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com.android.settings.inputmethod.UserDictionaryAddWordFragment.class.getName(),
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args, R.string.user_dict_settings_add_dialog_title, null, null, 0);
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}
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private String getWord(final int position) {
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if (null == mCursor) return null;
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mCursor.moveToPosition(position);
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// Handle a possible race-condition
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if (mCursor.isAfterLast()) return null;
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return mCursor.getString(
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mCursor.getColumnIndexOrThrow(UserDictionary.Words.WORD));
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}
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private String getShortcut(final int position) {
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if (null == mCursor) return null;
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mCursor.moveToPosition(position);
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// Handle a possible race-condition
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if (mCursor.isAfterLast()) return null;
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return mCursor.getString(
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mCursor.getColumnIndexOrThrow(UserDictionary.Words.SHORTCUT));
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}
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public static void deleteWord(final String word, final String shortcut,
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final ContentResolver resolver) {
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if (TextUtils.isEmpty(shortcut)) {
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resolver.delete(
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UserDictionary.Words.CONTENT_URI, DELETE_SELECTION_WITHOUT_SHORTCUT,
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new String[]{word});
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} else {
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resolver.delete(
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UserDictionary.Words.CONTENT_URI, DELETE_SELECTION_WITH_SHORTCUT,
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new String[]{word, shortcut});
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}
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}
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@Override
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public Loader<Cursor> onCreateLoader(int id, Bundle args) {
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return new UserDictionaryCursorLoader(getContext(), mLocale);
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}
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@Override
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public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
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mCursor = data;
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getListView().setAdapter(createAdapter());
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}
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@Override
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public void onLoaderReset(Loader<Cursor> loader) {
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}
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private static class MyAdapter extends SimpleCursorAdapter implements SectionIndexer {
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private AlphabetIndexer mIndexer;
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private final ViewBinder mViewBinder = new ViewBinder() {
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@Override
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public boolean setViewValue(View v, Cursor c, int columnIndex) {
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if (columnIndex == UserDictionaryCursorLoader.INDEX_SHORTCUT) {
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final String shortcut = c.getString(UserDictionaryCursorLoader.INDEX_SHORTCUT);
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if (TextUtils.isEmpty(shortcut)) {
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v.setVisibility(View.GONE);
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} else {
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((TextView) v).setText(shortcut);
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v.setVisibility(View.VISIBLE);
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}
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v.invalidate();
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return true;
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}
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return false;
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}
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};
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public MyAdapter(Context context, int layout, Cursor c, String[] from, int[] to) {
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super(context, layout, c, from, to);
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if (null != c) {
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final String alphabet = context.getString(
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com.android.internal.R.string.fast_scroll_alphabet);
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final int wordColIndex = c.getColumnIndexOrThrow(UserDictionary.Words.WORD);
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mIndexer = new AlphabetIndexer(c, wordColIndex, alphabet);
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}
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setViewBinder(mViewBinder);
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}
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@Override
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public int getPositionForSection(int section) {
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return null == mIndexer ? 0 : mIndexer.getPositionForSection(section);
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}
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@Override
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public int getSectionForPosition(int position) {
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return null == mIndexer ? 0 : mIndexer.getSectionForPosition(position);
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}
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@Override
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public Object[] getSections() {
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return null == mIndexer ? null : mIndexer.getSections();
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}
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}
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}
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