Twidere-App-Android-Twitter.../twidere/src/main/java/org/mariotaku/twidere/fragment/ThemedListPreferenceDialogF...

82 lines
3.4 KiB
Java

/*
* Copyright (C) 2015 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 org.mariotaku.twidere.fragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v7.app.AlertDialog;
import android.support.v7.preference.ListPreference;
public class ThemedListPreferenceDialogFragmentCompat extends ThemedPreferenceDialogFragmentCompat {
private int mClickedDialogEntryIndex;
public static ThemedListPreferenceDialogFragmentCompat newInstance(String key) {
final ThemedListPreferenceDialogFragmentCompat fragment =
new ThemedListPreferenceDialogFragmentCompat();
final Bundle b = new Bundle(1);
b.putString(ARG_KEY, key);
fragment.setArguments(b);
return fragment;
}
private ListPreference getListPreference() {
return (ListPreference) getPreference();
}
@Override
protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
super.onPrepareDialogBuilder(builder);
final ListPreference preference = getListPreference();
final CharSequence[] entries = preference.getEntries();
if (entries == null || preference.getEntryValues() == null) {
throw new IllegalStateException(
"ListPreference requires an entries array and an entryValues array.");
}
mClickedDialogEntryIndex = preference.findIndexOfValue(preference.getValue());
builder.setSingleChoiceItems(entries, mClickedDialogEntryIndex,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
mClickedDialogEntryIndex = which;
/*
* Clicking on an item simulates the positive button
* click, and dismisses the dialog.
*/
ThemedListPreferenceDialogFragmentCompat.this.onClick(dialog,
DialogInterface.BUTTON_POSITIVE);
dialog.dismiss();
}
});
/*
* The typical interaction for list-based dialogs is to have
* click-on-an-item dismiss the dialog instead of the user having to
* press 'Ok'.
*/
//noinspection ConstantConditions
builder.setPositiveButton(null, null);
}
@Override
public void onDialogClosed(boolean positiveResult) {
final ListPreference preference = getListPreference();
if (positiveResult && mClickedDialogEntryIndex >= 0 &&
preference.getEntryValues() != null) {
String value = preference.getEntryValues()[mClickedDialogEntryIndex].toString();
if (preference.callChangeListener(value)) {
preference.setValue(value);
}
}
}
}