/* * 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. It uses some private API so that not everything has to be copied. import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.os.Build; import android.os.Bundle; import android.text.TextUtils.TruncateAt; import android.view.LayoutInflater; import android.view.View; import android.widget.TextView; 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}. * *

See the Date Picker * tutorial.

*/ 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 * @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, callBack, year, monthOfYear, dayOfMonth, false); } /** * @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) { this(context, context.getApplicationInfo().targetSdkVersion >= Build.VERSION_CODES.HONEYCOMB ? com.android.internal.R.style.Theme_Holo_Light_Dialog_Alert : com.android.internal.R.style.Theme_Dialog_Alert, 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. */ public DatePickerDialog(Context context, int theme, OnDateSetListener callBack, int year, int monthOfYear, int dayOfMonth) { this(context, theme, callBack, year, monthOfYear, dayOfMonth, false); } /** * @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(com.android.internal.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 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(com.android.internal.R.id.alertTitle); title.setSingleLine(); title.setEllipsize(TruncateAt.END); } @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); } 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) { 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); } }