/* * Copyright (C) 2008 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.alarmclock;import android.app.AlertDialog.Builder;import android.content.Context;import android.content.DialogInterface;import android.preference.ListPreference;import android.util.AttributeSet;public class RepeatPreference extends ListPreference {    private Alarms.DaysOfWeek mDaysOfWeek = new Alarms.DaysOfWeek();    private OnRepeatChangedObserver mOnRepeatChangedObserver;    public interface OnRepeatChangedObserver {        /** RepeatPrefrence calls this to get initial state */        public Alarms.DaysOfWeek getDaysOfWeek();        /** Called when this preference has changed */        public void onRepeatChanged(Alarms.DaysOfWeek daysOfWeek);    }    public RepeatPreference(Context context, AttributeSet attrs) {        super(context, attrs);    }    void setOnRepeatChangedObserver(OnRepeatChangedObserver onRepeatChangedObserver) {        mOnRepeatChangedObserver = onRepeatChangedObserver;    }    @Override    protected void onDialogClosed(boolean positiveResult) {        if (positiveResult) {            mOnRepeatChangedObserver.onRepeatChanged(mDaysOfWeek);        } else {            /* no change -- reset to initial state */            mDaysOfWeek.set(mOnRepeatChangedObserver.getDaysOfWeek());        }    }    @Override    protected void onPrepareDialogBuilder(Builder builder) {        CharSequence[] entries = getEntries();        CharSequence[] entryValues = getEntryValues();        if (entries == null || entryValues == null) {            throw new IllegalStateException(                    "RepeatPreference requires an entries array and an entryValues array.");        }        mDaysOfWeek.set(mOnRepeatChangedObserver.getDaysOfWeek());        builder.setMultiChoiceItems(                entries, mDaysOfWeek.getBooleanArray(),                new DialogInterface.OnMultiChoiceClickListener() {                    public void onClick(DialogInterface dialog, int which, boolean isChecked) {                        mDaysOfWeek.set(which, isChecked);                    }                });    }}