auto import from //depot/cupcake/@135843
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The Android Open Source Project
271
src/com/android/settings/UserDictionarySettings.java
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271
src/com/android/settings/UserDictionarySettings.java
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/**
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* Copyright (C) 2007 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy
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* 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package com.android.settings;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.app.ListActivity;
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import android.content.Context;
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import android.content.DialogInterface;
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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.InputType;
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import android.view.ContextMenu;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ContextMenu.ContextMenuInfo;
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import android.widget.AlphabetIndexer;
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import android.widget.EditText;
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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 android.widget.AdapterView.AdapterContextMenuInfo;
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import java.util.Locale;
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public class UserDictionarySettings extends ListActivity {
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private static final String INSTANCE_KEY_DIALOG_EDITING_WORD = "DIALOG_EDITING_WORD";
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private static final String INSTANCE_KEY_ADDED_WORD = "DIALOG_ADDED_WORD";
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private static final String[] QUERY_PROJECTION = {
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UserDictionary.Words._ID, UserDictionary.Words.WORD
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};
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// Either the locale is empty (means the word is applicable to all locales)
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// or the word equals our current locale
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private static final String QUERY_SELECTION = UserDictionary.Words.LOCALE + "=? OR "
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+ UserDictionary.Words.LOCALE + " is null";
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private static final String DELETE_SELECTION = UserDictionary.Words.WORD + "=?";
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private static final String EXTRA_WORD = "word";
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private static final int CONTEXT_MENU_EDIT = Menu.FIRST;
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private static final int CONTEXT_MENU_DELETE = Menu.FIRST + 1;
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private static final int OPTIONS_MENU_ADD = Menu.FIRST;
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private static final int DIALOG_ADD_OR_EDIT = 0;
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/** The word being edited in the dialog (null means the user is adding a word). */
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private String mDialogEditingWord;
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private Cursor mCursor;
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private boolean mAddedWordAlready;
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private boolean mAutoReturn;
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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.list_content_with_empty_view);
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mCursor = createCursor();
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setListAdapter(createAdapter());
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TextView emptyView = (TextView) findViewById(R.id.empty);
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emptyView.setText(R.string.user_dict_settings_empty_text);
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ListView listView = getListView();
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listView.setFastScrollEnabled(true);
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listView.setEmptyView(emptyView);
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registerForContextMenu(listView);
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}
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@Override
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protected void onResume() {
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super.onResume();
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if (!mAddedWordAlready
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&& getIntent().getAction().equals("com.android.settings.USER_DICTIONARY_INSERT")) {
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String word = getIntent().getStringExtra(EXTRA_WORD);
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mAutoReturn = true;
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if (word != null) {
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showAddOrEditDialog(word);
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}
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}
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}
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@Override
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protected void onRestoreInstanceState(Bundle state) {
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super.onRestoreInstanceState(state);
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mDialogEditingWord = state.getString(INSTANCE_KEY_DIALOG_EDITING_WORD);
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mAddedWordAlready = state.getBoolean(INSTANCE_KEY_ADDED_WORD, false);
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}
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@Override
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protected void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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outState.putString(INSTANCE_KEY_DIALOG_EDITING_WORD, mDialogEditingWord);
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outState.putBoolean(INSTANCE_KEY_ADDED_WORD, mAddedWordAlready);
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}
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private Cursor createCursor() {
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String currentLocale = Locale.getDefault().toString();
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// Case-insensitive sort
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return managedQuery(UserDictionary.Words.CONTENT_URI, QUERY_PROJECTION,
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QUERY_SELECTION, new String[] { currentLocale },
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"UPPER(" + UserDictionary.Words.WORD + ")");
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}
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private ListAdapter createAdapter() {
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return new MyAdapter(this,
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android.R.layout.simple_list_item_1, mCursor,
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new String[] { UserDictionary.Words.WORD },
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new int[] { android.R.id.text1 });
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}
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@Override
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protected void onListItemClick(ListView l, View v, int position, long id) {
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showAddOrEditDialog(getWord(position));
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}
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@Override
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public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
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if (!(menuInfo instanceof AdapterContextMenuInfo)) return;
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AdapterContextMenuInfo adapterMenuInfo = (AdapterContextMenuInfo) menuInfo;
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menu.setHeaderTitle(getWord(adapterMenuInfo.position));
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menu.add(0, CONTEXT_MENU_EDIT, 0, R.string.user_dict_settings_context_menu_edit_title);
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menu.add(0, CONTEXT_MENU_DELETE, 0, R.string.user_dict_settings_context_menu_delete_title);
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}
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@Override
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public boolean onContextItemSelected(MenuItem item) {
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ContextMenuInfo menuInfo = item.getMenuInfo();
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if (!(menuInfo instanceof AdapterContextMenuInfo)) return false;
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AdapterContextMenuInfo adapterMenuInfo = (AdapterContextMenuInfo) menuInfo;
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String word = getWord(adapterMenuInfo.position);
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switch (item.getItemId()) {
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case CONTEXT_MENU_DELETE:
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deleteWord(word);
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return true;
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case CONTEXT_MENU_EDIT:
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showAddOrEditDialog(word);
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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 boolean onCreateOptionsMenu(Menu menu) {
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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);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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showAddOrEditDialog(null);
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return true;
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}
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private void showAddOrEditDialog(String editingWord) {
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mDialogEditingWord = editingWord;
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showDialog(DIALOG_ADD_OR_EDIT);
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}
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private String getWord(int position) {
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mCursor.moveToPosition(position);
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return mCursor.getString(
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mCursor.getColumnIndexOrThrow(UserDictionary.Words.WORD));
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}
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@Override
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protected Dialog onCreateDialog(int id) {
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View content = getLayoutInflater().inflate(R.layout.dialog_edittext, null);
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final EditText editText = (EditText) content.findViewById(R.id.edittext);
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// No prediction in soft keyboard mode. TODO: Create a better way to disable prediction
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editText.setInputType(InputType.TYPE_CLASS_TEXT
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| InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE);
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return new AlertDialog.Builder(this)
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.setTitle(R.string.user_dict_settings_add_dialog_title)
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.setView(content)
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.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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onAddOrEditFinished(editText.getText().toString());
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if (mAutoReturn) finish();
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}})
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.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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if (mAutoReturn) finish();
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}})
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.create();
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}
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@Override
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protected void onPrepareDialog(int id, Dialog d) {
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AlertDialog dialog = (AlertDialog) d;
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EditText editText = (EditText) dialog.findViewById(R.id.edittext);
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editText.setText(mDialogEditingWord);
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}
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private void onAddOrEditFinished(String word) {
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if (mDialogEditingWord != null) {
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// The user was editing a word, so do a delete/add
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deleteWord(mDialogEditingWord);
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}
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// Disallow duplicates
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deleteWord(word);
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// TODO: present UI for picking whether to add word to all locales, or current.
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UserDictionary.Words.addWord(this, word.toString(),
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250, UserDictionary.Words.LOCALE_TYPE_ALL);
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mCursor.requery();
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mAddedWordAlready = true;
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}
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private void deleteWord(String word) {
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getContentResolver().delete(UserDictionary.Words.CONTENT_URI, DELETE_SELECTION,
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new String[] { word });
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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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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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int wordColIndex = c.getColumnIndexOrThrow(UserDictionary.Words.WORD);
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String alphabet = context.getString(com.android.internal.R.string.fast_scroll_alphabet);
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mIndexer = new AlphabetIndexer(c, wordColIndex, alphabet);
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}
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public int getPositionForSection(int section) {
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return mIndexer.getPositionForSection(section);
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}
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public int getSectionForPosition(int position) {
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return mIndexer.getSectionForPosition(position);
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}
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public Object[] getSections() {
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return mIndexer.getSections();
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}
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}
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}
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