/*
* Copyright (C) 2007 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.mms.ui;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.NumberPicker;
import com.android.mms.R;
/**
* A dialog that prompts the user for the message deletion limits.
*/
public class NumberPickerDialog extends AlertDialog implements OnClickListener {
private static final String NUMBER = "number";
/**
* The callback interface used to indicate the user is done filling in
* the time (they clicked on the 'Set' button).
*/
public interface OnNumberSetListener {
/**
* @param number The number that was set.
*/
void onNumberSet(int number);
}
private final NumberPicker mNumberPicker;
private final OnNumberSetListener mCallback;
/**
* @param context Parent.
* @param callBack How parent is notified.
* @param number The initial number.
*/
public NumberPickerDialog(Context context,
OnNumberSetListener callBack,
int number,
int rangeMin,
int rangeMax,
int title) {
this(context, AlertDialog.THEME_HOLO_LIGHT, callBack, number, rangeMin, rangeMax, title);
}
/**
* @param context Parent.
* @param theme the theme to apply to this dialog
* @param callBack How parent is notified.
* @param number The initial number.
*/
public NumberPickerDialog(Context context,
int theme,
OnNumberSetListener callBack,
int number,
int rangeMin,
int rangeMax,
int title) {
super(context, theme);
mCallback = callBack;
setTitle(title);
setButton(DialogInterface.BUTTON_POSITIVE, context.getText(R.string.set), this);
setButton(DialogInterface.BUTTON_NEGATIVE, context.getText(R.string.no),
(OnClickListener) null);
LayoutInflater inflater =
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.number_picker_dialog, null);
setView(view);
mNumberPicker = (NumberPicker) view.findViewById(R.id.number_picker);
// initialize state
mNumberPicker.setMinValue(rangeMin);
mNumberPicker.setMaxValue(rangeMax);
mNumberPicker.setValue(number);
mNumberPicker.setOnLongPressUpdateInterval(100); // make the repeat rate three times as fast
// as normal since the range is so large.
mNumberPicker.setWrapSelectorWheel(false); // don't wrap from min->max
}
public void onClick(DialogInterface dialog, int which) {
if (mCallback != null) {
mNumberPicker.clearFocus();
mCallback.onNumberSet(mNumberPicker.getValue());
dialog.dismiss();
}
}
@Override
public Bundle onSaveInstanceState() {
Bundle state = super.onSaveInstanceState();
state.putInt(NUMBER, mNumberPicker.getValue());
return state;
}
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
int number = savedInstanceState.getInt(NUMBER);
mNumberPicker.setValue(number);
}
}