/** * Copyright (C) 2007 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy * of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package com.android.settings; import android.app.AlertDialog; import android.app.Dialog; import android.app.ListActivity; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.os.Bundle; import android.provider.UserDictionary; import android.view.ContextMenu; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ContextMenu.ContextMenuInfo; import android.widget.AlphabetIndexer; import android.widget.EditText; import android.widget.ListAdapter; import android.widget.ListView; import android.widget.SectionIndexer; import android.widget.SimpleCursorAdapter; import android.widget.TextView; import android.widget.AdapterView.AdapterContextMenuInfo; import java.util.Locale; public class UserDictionarySettings extends ListActivity { private static final String INSTANCE_KEY_DIALOG_EDITING_WORD = "DIALOG_EDITING_WORD"; private static final String[] QUERY_PROJECTION = { UserDictionary.Words._ID, UserDictionary.Words.WORD }; // Either the locale is empty (means the word is applicable to all locales) // or the word equals our current locale private static final String QUERY_SELECTION = UserDictionary.Words.LOCALE + "=? OR " + UserDictionary.Words.LOCALE + " is null"; private static final String DELETE_SELECTION = UserDictionary.Words.WORD + "=?"; private static final String EXTRA_WORD = "word"; private static final int CONTEXT_MENU_EDIT = Menu.FIRST; private static final int CONTEXT_MENU_DELETE = Menu.FIRST + 1; private static final int OPTIONS_MENU_ADD = Menu.FIRST; private static final int DIALOG_ADD_OR_EDIT = 0; /** The word being edited in the dialog (null means the user is adding a word). */ private String mDialogEditingWord; private Cursor mCursor; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.list_content_with_empty_view); mCursor = createCursor(); setListAdapter(createAdapter()); TextView emptyView = (TextView) findViewById(R.id.empty); emptyView.setText(R.string.user_dict_settings_empty_text); ListView listView = getListView(); listView.setFastScrollEnabled(true); listView.setEmptyView(emptyView); registerForContextMenu(listView); } @Override protected void onResume() { super.onResume(); if (getIntent().getAction().equals("com.android.settings.USER_DICTIONARY_INSERT")) { String word = getIntent().getStringExtra(EXTRA_WORD); if (word != null) { showAddOrEditDialog(word); } } } @Override protected void onRestoreInstanceState(Bundle state) { super.onRestoreInstanceState(state); mDialogEditingWord = state.getString(INSTANCE_KEY_DIALOG_EDITING_WORD); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putString(INSTANCE_KEY_DIALOG_EDITING_WORD, mDialogEditingWord); } private Cursor createCursor() { String currentLocale = Locale.getDefault().toString(); // Case-insensitive sort return managedQuery(UserDictionary.Words.CONTENT_URI, QUERY_PROJECTION, QUERY_SELECTION, new String[] { currentLocale }, "UPPER(" + UserDictionary.Words.WORD + ")"); } private ListAdapter createAdapter() { return new MyAdapter(this, android.R.layout.simple_list_item_1, mCursor, new String[] { UserDictionary.Words.WORD }, new int[] { android.R.id.text1 }); } @Override protected void onListItemClick(ListView l, View v, int position, long id) { showAddOrEditDialog(getWord(position)); } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { if (!(menuInfo instanceof AdapterContextMenuInfo)) return; AdapterContextMenuInfo adapterMenuInfo = (AdapterContextMenuInfo) menuInfo; menu.setHeaderTitle(getWord(adapterMenuInfo.position)); menu.add(0, CONTEXT_MENU_EDIT, 0, R.string.user_dict_settings_context_menu_edit_title); menu.add(0, CONTEXT_MENU_DELETE, 0, R.string.user_dict_settings_context_menu_delete_title); } @Override public boolean onContextItemSelected(MenuItem item) { ContextMenuInfo menuInfo = item.getMenuInfo(); if (!(menuInfo instanceof AdapterContextMenuInfo)) return false; AdapterContextMenuInfo adapterMenuInfo = (AdapterContextMenuInfo) menuInfo; String word = getWord(adapterMenuInfo.position); switch (item.getItemId()) { case CONTEXT_MENU_DELETE: deleteWord(word); return true; case CONTEXT_MENU_EDIT: showAddOrEditDialog(word); return true; } return false; } @Override public boolean onCreateOptionsMenu(Menu menu) { menu.add(0, OPTIONS_MENU_ADD, 0, R.string.user_dict_settings_add_menu_title) .setIcon(R.drawable.ic_menu_add); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { showAddOrEditDialog(null); return true; } private void showAddOrEditDialog(String editingWord) { mDialogEditingWord = editingWord; showDialog(DIALOG_ADD_OR_EDIT); } private String getWord(int position) { mCursor.moveToPosition(position); return mCursor.getString( mCursor.getColumnIndexOrThrow(UserDictionary.Words.WORD)); } @Override protected Dialog onCreateDialog(int id) { View content = getLayoutInflater().inflate(R.layout.dialog_edittext, null); final EditText editText = (EditText) content.findViewById(R.id.edittext); return new AlertDialog.Builder(this) .setTitle(R.string.user_dict_settings_add_dialog_title) .setView(content) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { onAddOrEditFinished(editText.getText().toString()); }}) .setNegativeButton(android.R.string.cancel, null) .create(); } @Override protected void onPrepareDialog(int id, Dialog d) { AlertDialog dialog = (AlertDialog) d; EditText editText = (EditText) dialog.findViewById(R.id.edittext); editText.setText(mDialogEditingWord); } private void onAddOrEditFinished(String word) { if (mDialogEditingWord != null) { // The user was editing a word, so do a delete/add deleteWord(mDialogEditingWord); } // Disallow duplicates deleteWord(word); // TODO: present UI for picking whether to add word to all locales, or current. UserDictionary.Words.addWord(this, word.toString(), 128, UserDictionary.Words.LOCALE_TYPE_ALL); mCursor.requery(); } private void deleteWord(String word) { getContentResolver().delete(UserDictionary.Words.CONTENT_URI, DELETE_SELECTION, new String[] { word }); } private static class MyAdapter extends SimpleCursorAdapter implements SectionIndexer { private AlphabetIndexer mIndexer; public MyAdapter(Context context, int layout, Cursor c, String[] from, int[] to) { super(context, layout, c, from, to); int wordColIndex = c.getColumnIndexOrThrow(UserDictionary.Words.WORD); String alphabet = context.getString(com.android.internal.R.string.fast_scroll_alphabet); mIndexer = new AlphabetIndexer(c, wordColIndex, alphabet); } public int getPositionForSection(int section) { return mIndexer.getPositionForSection(section); } public int getSectionForPosition(int position) { return mIndexer.getSectionForPosition(position); } public Object[] getSections() { return mIndexer.getSections(); } } }