Files
app_Settings/src/com/android/settings/UserDictionarySettings.java
Amith Yamasani 02cf71a591 Use PreferenceActivity and FragmentBreadCrumbs as they offer the same capabilities now.
Also fix: 2997438 and a similar bug in Tether Settings
Show + menu item for User Dictionary
2010-09-21 15:48:52 -07:00

312 lines
12 KiB
Java

/**
* Copyright (C) 2009 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 com.android.settings.SettingsPreferenceFragment.SettingsDialogFragment;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListFragment;
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.text.InputType;
import android.util.Log;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
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 ListFragment implements DialogCreatable {
private static final String TAG = "UserDictionarySettings";
private static final String INSTANCE_KEY_DIALOG_EDITING_WORD = "DIALOG_EDITING_WORD";
private static final String INSTANCE_KEY_ADDED_WORD = "DIALOG_ADDED_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 View mView;
private Cursor mCursor;
private boolean mAddedWordAlready;
private boolean mAutoReturn;
private SettingsDialogFragment mDialogFragment;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mView = inflater.inflate(R.layout.list_content_with_empty_view, container, false);
return mView;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mCursor = createCursor();
TextView emptyView = (TextView)mView.findViewById(R.id.empty);
emptyView.setText(R.string.user_dict_settings_empty_text);
final ListView listView = getListView();
listView.setAdapter(createAdapter());
listView.setFastScrollEnabled(true);
listView.setEmptyView(emptyView);
registerForContextMenu(listView);
setHasOptionsMenu(true);
if (savedInstanceState != null) {
mDialogEditingWord = savedInstanceState.getString(INSTANCE_KEY_DIALOG_EDITING_WORD);
mAddedWordAlready = savedInstanceState.getBoolean(INSTANCE_KEY_ADDED_WORD, false);
}
}
@Override
public void onResume() {
super.onResume();
final Intent intent = getActivity().getIntent();
if (!mAddedWordAlready
&& intent.getAction().equals("com.android.settings.USER_DICTIONARY_INSERT")) {
final String word = intent.getStringExtra(EXTRA_WORD);
mAutoReturn = true;
if (word != null) {
showAddOrEditDialog(word);
}
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putString(INSTANCE_KEY_DIALOG_EDITING_WORD, mDialogEditingWord);
outState.putBoolean(INSTANCE_KEY_ADDED_WORD, mAddedWordAlready);
}
private Cursor createCursor() {
String currentLocale = Locale.getDefault().toString();
// Case-insensitive sort
return getActivity().managedQuery(UserDictionary.Words.CONTENT_URI, QUERY_PROJECTION,
QUERY_SELECTION, new String[] { currentLocale },
"UPPER(" + UserDictionary.Words.WORD + ")");
}
private ListAdapter createAdapter() {
return new MyAdapter(getActivity(),
android.R.layout.simple_list_item_1, mCursor,
new String[] { UserDictionary.Words.WORD },
new int[] { android.R.id.text1 });
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
getActivity().openContextMenu(v);
}
@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);
if (word == null) return true;
switch (item.getItemId()) {
case CONTEXT_MENU_DELETE:
deleteWord(word);
return true;
case CONTEXT_MENU_EDIT:
showAddOrEditDialog(word);
return true;
}
return false;
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
MenuItem actionItem =
menu.add(0, OPTIONS_MENU_ADD, 0, R.string.user_dict_settings_add_menu_title)
.setIcon(R.drawable.ic_menu_add);
actionItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
}
@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);
// Handle a possible race-condition
if (mCursor.isAfterLast()) return null;
return mCursor.getString(
mCursor.getColumnIndexOrThrow(UserDictionary.Words.WORD));
}
@Override
public Dialog onCreateDialog(int id) {
final Activity activity = getActivity();
final View content = activity.getLayoutInflater().inflate(R.layout.dialog_edittext, null);
final EditText editText = (EditText) content.findViewById(R.id.edittext);
editText.setText(mDialogEditingWord);
// No prediction in soft keyboard mode. TODO: Create a better way to disable prediction
editText.setInputType(InputType.TYPE_CLASS_TEXT
| InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE);
AlertDialog dialog = new AlertDialog.Builder(activity)
.setTitle(mDialogEditingWord != null
? R.string.user_dict_settings_edit_dialog_title
: 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());
if (mAutoReturn) activity.onBackPressed();
}})
.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
if (mAutoReturn) activity.onBackPressed();
}})
.create();
dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE |
WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
return dialog;
}
private void showDialog(int dialogId) {
if (mDialogFragment != null) {
Log.e(TAG, "Old dialog fragment not null!");
}
mDialogFragment = new SettingsDialogFragment(this, dialogId);
mDialogFragment.show(getActivity().getFragmentManager(), Integer.toString(dialogId));
}
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(getActivity(), word.toString(),
250, UserDictionary.Words.LOCALE_TYPE_ALL);
if (!mCursor.requery()) {
throw new IllegalStateException("can't requery on already-closed cursor.");
}
mAddedWordAlready = true;
}
private void deleteWord(String word) {
getActivity().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();
}
}
}