| /* |
| * Copyright (C) 2013 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; |
| |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.os.Bundle; |
| import android.support.v14.preference.ListPreferenceDialogFragment; |
| import android.support.v7.preference.ListPreference; |
| import android.util.AttributeSet; |
| |
| public class CustomListPreference extends ListPreference { |
| |
| public CustomListPreference(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public CustomListPreference(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| } |
| |
| protected void onPrepareDialogBuilder(AlertDialog.Builder builder, |
| DialogInterface.OnClickListener listener) { |
| } |
| |
| protected void onDialogClosed(boolean positiveResult) { |
| } |
| |
| protected void onDialogCreated(Dialog dialog) { |
| } |
| |
| protected boolean isAutoClosePreference() { |
| return true; |
| } |
| |
| protected void onDialogStateRestored(Dialog dialog, Bundle savedInstanceState) { |
| } |
| |
| public static class CustomListPreferenceDialogFragment extends ListPreferenceDialogFragment { |
| |
| private static final java.lang.String KEY_CLICKED_ENTRY_INDEX |
| = "settings.CustomListPrefDialog.KEY_CLICKED_ENTRY_INDEX"; |
| |
| private int mClickedDialogEntryIndex; |
| |
| public static ListPreferenceDialogFragment newInstance(String key) { |
| final ListPreferenceDialogFragment fragment = new CustomListPreferenceDialogFragment(); |
| final Bundle b = new Bundle(1); |
| b.putString(ARG_KEY, key); |
| fragment.setArguments(b); |
| return fragment; |
| } |
| |
| private CustomListPreference getCustomizablePreference() { |
| return (CustomListPreference) getPreference(); |
| } |
| |
| @Override |
| protected void onPrepareDialogBuilder(AlertDialog.Builder builder) { |
| super.onPrepareDialogBuilder(builder); |
| mClickedDialogEntryIndex = getCustomizablePreference() |
| .findIndexOfValue(getCustomizablePreference().getValue()); |
| getCustomizablePreference().onPrepareDialogBuilder(builder, getOnItemClickListener()); |
| if (!getCustomizablePreference().isAutoClosePreference()) { |
| builder.setPositiveButton(R.string.okay, new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| CustomListPreferenceDialogFragment.this.onClick(dialog, |
| DialogInterface.BUTTON_POSITIVE); |
| dialog.dismiss(); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public Dialog onCreateDialog(Bundle savedInstanceState) { |
| Dialog dialog = super.onCreateDialog(savedInstanceState); |
| if (savedInstanceState != null) { |
| mClickedDialogEntryIndex = savedInstanceState.getInt(KEY_CLICKED_ENTRY_INDEX, |
| mClickedDialogEntryIndex); |
| } |
| getCustomizablePreference().onDialogCreated(dialog); |
| return dialog; |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| outState.putInt(KEY_CLICKED_ENTRY_INDEX, mClickedDialogEntryIndex); |
| } |
| |
| @Override |
| public void onActivityCreated(Bundle savedInstanceState) { |
| super.onActivityCreated(savedInstanceState); |
| getCustomizablePreference().onDialogStateRestored(getDialog(), savedInstanceState); |
| } |
| |
| protected DialogInterface.OnClickListener getOnItemClickListener() { |
| return new DialogInterface.OnClickListener() { |
| public void onClick(DialogInterface dialog, int which) { |
| setClickedDialogEntryIndex(which); |
| |
| |
| if (getCustomizablePreference().isAutoClosePreference()) { |
| /* |
| * Clicking on an item simulates the positive button |
| * click, and dismisses the dialog. |
| */ |
| CustomListPreferenceDialogFragment.this.onClick(dialog, |
| DialogInterface.BUTTON_POSITIVE); |
| dialog.dismiss(); |
| } |
| } |
| }; |
| } |
| |
| protected void setClickedDialogEntryIndex(int which) { |
| mClickedDialogEntryIndex = which; |
| } |
| |
| @Override |
| public void onDialogClosed(boolean positiveResult) { |
| getCustomizablePreference().onDialogClosed(positiveResult); |
| final ListPreference preference = getCustomizablePreference(); |
| if (positiveResult && mClickedDialogEntryIndex >= 0 && |
| preference.getEntryValues() != null) { |
| String value = preference.getEntryValues()[mClickedDialogEntryIndex].toString(); |
| if (preference.callChangeListener(value)) { |
| preference.setValue(value); |
| } |
| } |
| } |
| } |
| } |