| /* |
| * 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 android.app; |
| |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.DialogInterface.OnClickListener; |
| import android.os.Bundle; |
| import android.text.TextUtils.TruncateAt; |
| import android.text.format.DateFormat; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.widget.DatePicker; |
| import android.widget.TextView; |
| import android.widget.DatePicker.OnDateChangedListener; |
| |
| import com.android.internal.R; |
| |
| import java.text.DateFormatSymbols; |
| import java.util.Calendar; |
| |
| /** |
| * A simple dialog containing an {@link android.widget.DatePicker}. |
| */ |
| public class DatePickerDialog extends AlertDialog implements OnClickListener, |
| OnDateChangedListener { |
| |
| private static final String YEAR = "year"; |
| private static final String MONTH = "month"; |
| private static final String DAY = "day"; |
| |
| private final DatePicker mDatePicker; |
| private final OnDateSetListener mCallBack; |
| private final Calendar mCalendar; |
| private final java.text.DateFormat mDateFormat; |
| private final java.text.DateFormat mTitleDateFormat; |
| private final String[] mWeekDays; |
| |
| 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. |
| * @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. |
| * @param monthOfYear The initial month of the dialog. |
| * @param dayOfMonth The initial day of the dialog. |
| */ |
| public DatePickerDialog(Context context, |
| OnDateSetListener callBack, |
| int year, |
| int monthOfYear, |
| int dayOfMonth) { |
| this(context, com.android.internal.R.style.Theme_Dialog_Alert, |
| callBack, year, monthOfYear, dayOfMonth); |
| } |
| |
| /** |
| * @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. |
| * @param monthOfYear The initial month of the dialog. |
| * @param dayOfMonth The initial day of the dialog. |
| */ |
| public DatePickerDialog(Context context, |
| int theme, |
| OnDateSetListener callBack, |
| int year, |
| int monthOfYear, |
| int dayOfMonth) { |
| super(context, theme); |
| |
| mCallBack = callBack; |
| mInitialYear = year; |
| mInitialMonth = monthOfYear; |
| mInitialDay = dayOfMonth; |
| DateFormatSymbols symbols = new DateFormatSymbols(); |
| mWeekDays = symbols.getShortWeekdays(); |
| |
| mDateFormat = DateFormat.getMediumDateFormat(context); |
| mTitleDateFormat = java.text.DateFormat. |
| getDateInstance(java.text.DateFormat.FULL); |
| mCalendar = Calendar.getInstance(); |
| updateTitle(mInitialYear, mInitialMonth, mInitialDay); |
| |
| setButton(context.getText(R.string.date_time_set), this); |
| setButton2(context.getText(R.string.cancel), (OnClickListener) null); |
| setIcon(R.drawable.ic_dialog_time); |
| |
| 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, this); |
| } |
| |
| @Override |
| public void show() { |
| super.show(); |
| |
| /* Sometimes the full month is displayed causing the title |
| * to be very long, in those cases ensure it doesn't wrap to |
| * 2 lines (as that looks jumpy) and ensure we ellipsize the end. |
| */ |
| TextView title = (TextView) findViewById(R.id.alertTitle); |
| title.setSingleLine(); |
| title.setEllipsize(TruncateAt.END); |
| } |
| |
| public void onClick(DialogInterface dialog, int which) { |
| if (mCallBack != null) { |
| mDatePicker.clearFocus(); |
| mCallBack.onDateSet(mDatePicker, mDatePicker.getYear(), |
| mDatePicker.getMonth(), mDatePicker.getDayOfMonth()); |
| } |
| } |
| |
| public void onDateChanged(DatePicker view, int year, |
| int month, int day) { |
| updateTitle(year, month, day); |
| } |
| |
| public void updateDate(int year, int monthOfYear, int dayOfMonth) { |
| mInitialYear = year; |
| mInitialMonth = monthOfYear; |
| mInitialDay = dayOfMonth; |
| mDatePicker.updateDate(year, monthOfYear, dayOfMonth); |
| } |
| |
| private void updateTitle(int year, int month, int day) { |
| mCalendar.set(Calendar.YEAR, year); |
| mCalendar.set(Calendar.MONTH, month); |
| mCalendar.set(Calendar.DAY_OF_MONTH, day); |
| setTitle(mTitleDateFormat.format(mCalendar.getTime())); |
| } |
| |
| @Override |
| public Bundle onSaveInstanceState() { |
| Bundle state = super.onSaveInstanceState(); |
| state.putInt(YEAR, mDatePicker.getYear()); |
| state.putInt(MONTH, mDatePicker.getMonth()); |
| state.putInt(DAY, mDatePicker.getDayOfMonth()); |
| 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); |
| mDatePicker.init(year, month, day, this); |
| updateTitle(year, month, day); |
| } |
| } |