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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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.inputmethod;
import android.os.Bundle;
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.widget.AdapterView;
import android.widget.ArrayAdapter;
import com.android.internal.logging.MetricsLogger;
import com.android.settings.InstrumentedFragment;
import com.android.settings.R;
import com.android.settings.SettingsActivity;
import com.android.settings.inputmethod.UserDictionaryAddWordContents.LocaleRenderer;
import java.util.ArrayList;
import java.util.Locale;
/**
* Fragment to add a word/shortcut to the user dictionary.
*
* As opposed to the UserDictionaryActivity, this is only invoked within Settings
* from the UserDictionarySettings.
*/
public class UserDictionaryAddWordFragment extends InstrumentedFragment
implements AdapterView.OnItemSelectedListener,
com.android.internal.app.LocalePicker.LocaleSelectionListener {
private static final int OPTIONS_MENU_DELETE = Menu.FIRST;
private UserDictionaryAddWordContents mContents;
private View mRootView;
private boolean mIsDeleting = false;
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setHasOptionsMenu(true);
getActivity().getActionBar().setTitle(R.string.user_dict_settings_title);
// Keep the instance so that we remember mContents when configuration changes (eg rotation)
setRetainInstance(true);
}
@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
final Bundle savedState) {
mRootView = inflater.inflate(R.layout.user_dictionary_add_word_fullscreen, null);
mIsDeleting = false;
// If we have a non-null mContents object, it's the old value before a configuration
// change (eg rotation) so we need to use its values. Otherwise, read from the arguments.
if (null == mContents) {
mContents = new UserDictionaryAddWordContents(mRootView, getArguments());
} else {
// We create a new mContents object to account for the new situation : a word has
// been added to the user dictionary when we started rotating, and we are now editing
// it. That means in particular if the word undergoes any change, the old version should
// be updated, so the mContents object needs to switch to EDIT mode if it was in
// INSERT mode.
mContents = new UserDictionaryAddWordContents(mRootView,
mContents /* oldInstanceToBeEdited */);
}
getActivity().getActionBar().setSubtitle(UserDictionarySettingsUtils.getLocaleDisplayName(
getActivity(), mContents.getCurrentUserDictionaryLocale()));
return mRootView;
}
@Override
public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
MenuItem actionItem = menu.add(0, OPTIONS_MENU_DELETE, 0, R.string.delete)
.setIcon(android.R.drawable.ic_menu_delete);
actionItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM |
MenuItem.SHOW_AS_ACTION_WITH_TEXT);
}
/**
* Callback for the framework when a menu option is pressed.
*
* This class only supports the delete menu item.
* @param MenuItem the item that was pressed
* @return false to allow normal menu processing to proceed, true to consume it here
*/
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == OPTIONS_MENU_DELETE) {
mContents.delete(getActivity());
mIsDeleting = true;
getActivity().onBackPressed();
return true;
}
return false;
}
@Override
protected int getMetricsCategory() {
return MetricsLogger.INPUTMETHOD_USER_DICTIONARY_ADD_WORD;
}
@Override
public void onResume() {
super.onResume();
// We are being shown: display the word
updateSpinner();
}
private void updateSpinner() {
final ArrayList<LocaleRenderer> localesList = mContents.getLocalesList(getActivity());
final ArrayAdapter<LocaleRenderer> adapter = new ArrayAdapter<LocaleRenderer>(getActivity(),
android.R.layout.simple_spinner_item, localesList);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
}
@Override
public void onPause() {
super.onPause();
// We are being hidden: commit changes to the user dictionary, unless we were deleting it
if (!mIsDeleting) {
mContents.apply(getActivity(), null);
}
}
@Override
public void onItemSelected(final AdapterView<?> parent, final View view, final int pos,
final long id) {
final LocaleRenderer locale = (LocaleRenderer)parent.getItemAtPosition(pos);
if (locale.isMoreLanguages()) {
SettingsActivity sa = (SettingsActivity)getActivity();
sa.startPreferenceFragment(new UserDictionaryLocalePicker(this), true);
} else {
mContents.updateLocale(locale.getLocaleString());
}
}
@Override
public void onNothingSelected(final AdapterView<?> parent) {
// I'm not sure we can come here, but if we do, that's the right thing to do.
final Bundle args = getArguments();
mContents.updateLocale(args.getString(UserDictionaryAddWordContents.EXTRA_LOCALE));
}
// Called by the locale picker
@Override
public void onLocaleSelected(final Locale locale) {
mContents.updateLocale(locale.toString());
getActivity().onBackPressed();
}
}
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