maui-linux/Xamarin.Forms.Platform.WP8/SwitchRenderer.cs

52 строки
1.5 KiB
C#
Исходник Обычный вид История

2016-03-22 23:02:25 +03:00
using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
using Microsoft.Phone.Controls.Primitives;
namespace Xamarin.Forms.Platform.WinPhone
{
public class SwitchRenderer : ViewRenderer<Switch, Border>
{
readonly ToggleSwitchButton _toggleSwitch = new ToggleSwitchButton();
IElementController ElementController => Element as IElementController;
2016-03-22 23:02:25 +03:00
protected override void OnElementChanged(ElementChangedEventArgs<Switch> e)
{
base.OnElementChanged(e);
var container = new Border { Child = _toggleSwitch };
_toggleSwitch.IsChecked = Element.IsToggled;
_toggleSwitch.Checked += (sender, args) => ElementController.SetValueFromRenderer(Switch.IsToggledProperty, true);
_toggleSwitch.Unchecked += (sender, args) => ElementController.SetValueFromRenderer(Switch.IsToggledProperty, false);
2016-03-22 23:02:25 +03:00
_toggleSwitch.HorizontalAlignment = HorizontalAlignment.Right;
SetNativeControl(container);
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName == Switch.IsToggledProperty.PropertyName)
{
if (_toggleSwitch.IsChecked != Element.IsToggled)
_toggleSwitch.IsChecked = Element.IsToggled;
}
else if (e.PropertyName == VisualElement.IsEnabledProperty.PropertyName)
UpdateSwitchIsEnabled();
}
protected override void UpdateNativeWidget()
{
base.UpdateNativeWidget();
UpdateSwitchIsEnabled();
}
void UpdateSwitchIsEnabled()
{
_toggleSwitch.IsEnabled = Element.IsEnabled;
}
}
}