xwt/Xwt.WPF/Xwt.WPFBackend/DatePickerBackend.cs

94 строки
2.5 KiB
C#

//
// DatePickerBackend.cs
//
// Author:
// David Karlaš <david.karlas@gmail.com>
//
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Xwt.WPFBackend;
using Xwt.Backends;
using WindowsDatePicker = System.Windows.Controls.DatePicker;
namespace Xwt.WPFBackend
{
public class DatePickerBackend : WidgetBackend, IDatePickerBackend
{
public DatePickerBackend()
{
Widget = new WindowsDatePicker();
}
protected WindowsDatePicker DatePicker
{
get { return (WindowsDatePicker)Widget; }
}
protected new IDatePickerEventSink EventSink
{
get { return (IDatePickerEventSink)base.EventSink; }
}
public DateTime DateTime
{
get
{
return DatePicker.SelectedDate ?? new DateTime(0);
}
set
{
DatePicker.SelectedDate = value;
}
}
public override void EnableEvent(object eventId)
{
base.EnableEvent(eventId);
if (eventId is DatePickerEvent)
{
if ((DatePickerEvent)eventId == DatePickerEvent.ValueChanged)
DatePicker.SelectedDateChanged += HandleValueChanged;
}
}
public override void DisableEvent(object eventId)
{
base.DisableEvent(eventId);
if (eventId is DatePickerEvent)
{
if ((DatePickerEvent)eventId == DatePickerEvent.ValueChanged)
DatePicker.SelectedDateChanged -= HandleValueChanged;
}
}
void HandleValueChanged(object sender, EventArgs e)
{
Context.InvokeUserCode(delegate
{
EventSink.ValueChanged();
});
}
}
}