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using System.Threading.Tasks;
using System.Windows;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Windows
{
internal class TypeEditorControl
: PropertyEditorControl
{
static TypeEditorControl ()
{
DefaultStyleKeyProperty.OverrideMetadata (typeof (TypeEditorControl), new FrameworkPropertyMetadata (typeof (TypeEditorControl)));
}
public TypeEditorControl ()
{
DataContextChanged += OnDataContextChanged;
}
private TypePropertyViewModel vm;
private void OnDataContextChanged (object sender, DependencyPropertyChangedEventArgs e)
{
if (this.vm != null)
this.vm.TypeRequested -= OnTypeRequested;
this.vm = e.NewValue as TypePropertyViewModel;
if (this.vm != null)
this.vm.TypeRequested += OnTypeRequested;
}
private void OnTypeRequested (object sender, TypeRequestedEventArgs e)
{
var vsender = (TypePropertyViewModel)sender;
var panel = this.FindPropertiesHost ();
ITypeInfo type = TypeSelectorWindow.RequestType (panel, vsender.AssignableTypes);
e.SelectedType = Task.FromResult (type);
}
}
}
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