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