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/*
* 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.contacts.datepicker;
// This is a fork of the standard Android DatePicker that additionally allows toggling the year
// on/off.
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 com.android.contacts.R;
import com.android.contacts.datepicker.DatePicker.OnDateChangedListener;
import com.android.contacts.util.DateUtils;
import java.text.DateFormat;
import java.util.Calendar;
/**
* A simple dialog containing an {@link DatePicker}.
*
* <p>See the <a href="{@docRoot}resources/tutorials/views/hello-datepicker.html">Date Picker
* tutorial</a>.</p>
*/
public class DatePickerDialog extends AlertDialog implements OnClickListener,
OnDateChangedListener {
/** Magic year that represents "no year" */
public static int NO_YEAR = DatePicker.NO_YEAR;
private static final String YEAR = "year";
private static final String MONTH = "month";
private static final String DAY = "day";
private static final String YEAR_OPTIONAL = "year_optional";
private final DatePicker mDatePicker;
private final OnDateSetListener mCallBack;
private final DateFormat mTitleDateFormat;
private final DateFormat mTitleNoYearDateFormat;
private int mInitialYear;
private int mInitialMonth;
private int mInitialDay;
/**
* The callback used to indicate the user is done filling in the date.
*/
public interface OnDateSetListener {
/**
* @param view The view associated with this listener.
* @param year The year that was set or {@link DatePickerDialog#NO_YEAR} if the user has
* not specified a year
* @param monthOfYear The month that was set (0-11) for compatibility
* with {@link java.util.Calendar}.
* @param dayOfMonth The day of the month that was set.
*/
void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth);
}
/**
* @param context The context the dialog is to run in.
* @param callBack How the parent is notified that the date is set.
* @param year The initial year of the dialog or {@link DatePickerDialog#NO_YEAR} if no year
* has been specified
* @param monthOfYear The initial month of the dialog.
* @param dayOfMonth The initial day of the dialog.
* @param yearOptional Whether the year can be toggled by the user
*/
public DatePickerDialog(Context context,
OnDateSetListener callBack,
int year,
int monthOfYear,
int dayOfMonth,
boolean yearOptional) {
// Don't pass a theme id. Instead use the default alert dialog theme.
this(context, /* themeId = */ 0, callBack, year, monthOfYear, dayOfMonth,
yearOptional);
}
/**
* @param context The context the dialog is to run in.
* @param theme the theme to apply to this dialog
* @param callBack How the parent is notified that the date is set.
* @param year The initial year of the dialog or {@link DatePickerDialog#NO_YEAR} if no
* year has been specified.
* @param monthOfYear The initial month of the dialog.
* @param dayOfMonth The initial day of the dialog.
* @param yearOptional Whether the year can be toggled by the user
*/
public DatePickerDialog(Context context,
int theme,
OnDateSetListener callBack,
int year,
int monthOfYear,
int dayOfMonth,
boolean yearOptional) {
super(context, theme);
mCallBack = callBack;
mInitialYear = year;
mInitialMonth = monthOfYear;
mInitialDay = dayOfMonth;
mTitleDateFormat = DateFormat.getDateInstance(DateFormat.FULL);
mTitleNoYearDateFormat = DateUtils.getLocalizedDateFormatWithoutYear(getContext());
updateTitle(mInitialYear, mInitialMonth, mInitialDay);
setButton(BUTTON_POSITIVE, context.getText(R.string.date_time_set),
this);
setButton(BUTTON_NEGATIVE, context.getText(android.R.string.cancel),
(OnClickListener) null);
LayoutInflater inflater =
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.date_picker_dialog, null);
setView(view);
mDatePicker = (DatePicker) view.findViewById(R.id.datePicker);
mDatePicker.init(mInitialYear, mInitialMonth, mInitialDay, yearOptional, this);
}
@Override
public void onClick(DialogInterface dialog, int which) {
if (mCallBack != null) {
mDatePicker.clearFocus();
mCallBack.onDateSet(mDatePicker, mDatePicker.getYear(),
mDatePicker.getMonth(), mDatePicker.getDayOfMonth());
}
}
@Override
public void onDateChanged(DatePicker view, int year, int month, int day) {
updateTitle(year, month, day);
}
private void updateTitle(int year, int month, int day) {
final Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.YEAR, year);
calendar.set(Calendar.MONTH, month);
calendar.set(Calendar.DAY_OF_MONTH, day);
final DateFormat dateFormat =
year == NO_YEAR ? mTitleNoYearDateFormat : mTitleDateFormat;
setTitle(dateFormat.format(calendar.getTime()));
}
@Override
public Bundle onSaveInstanceState() {
Bundle state = super.onSaveInstanceState();
state.putInt(YEAR, mDatePicker.getYear());
state.putInt(MONTH, mDatePicker.getMonth());
state.putInt(DAY, mDatePicker.getDayOfMonth());
state.putBoolean(YEAR_OPTIONAL, mDatePicker.isYearOptional());
return state;
}
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
int year = savedInstanceState.getInt(YEAR);
int month = savedInstanceState.getInt(MONTH);
int day = savedInstanceState.getInt(DAY);
boolean yearOptional = savedInstanceState.getBoolean(YEAR_OPTIONAL);
mDatePicker.init(year, month, day, yearOptional, this);
updateTitle(year, month, day);
}
}