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using System;
using System.ComponentModel;
using AppKit;
using CoreGraphics;
using Foundation;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Mac
{
internal class NotifyingView<TViewModel> : NSView, INotifyingListner<TViewModel> where TViewModel : NotifyingObject
{
internal TViewModel ViewModel
{
get => Adaptor.ViewModel;
set => Adaptor.ViewModel = value;
}
public NotifyingView ()
{
Adaptor = new NotifyingViewAdaptor<TViewModel> (this);
}
public NotifyingView (CGRect frame) : base (frame)
{
Adaptor = new NotifyingViewAdaptor<TViewModel> (this);
}
public NotifyingView (IntPtr handle) : base (handle)
{
}
[Export ("initWithCoder:")]
public NotifyingView (NSCoder coder) : base (coder)
{
}
protected NotifyingViewAdaptor<TViewModel> Adaptor { get; }
public virtual void OnViewModelChanged (TViewModel oldModel)
{
}
public virtual void OnPropertyChanged (object sender, PropertyChangedEventArgs e)
{
}
protected virtual void AppearanceChanged ()
{
}
public sealed override void ViewDidChangeEffectiveAppearance ()
{
base.ViewDidChangeEffectiveAppearance ();
AppearanceChanged ();
}
}
internal abstract class ColorEditorView : NotifyingView<SolidBrushViewModel>
{
protected const float Padding = 3;
public ColorEditorView (IntPtr handle) : base (handle)
{
}
public ColorEditorView (NSCoder coder) : base (coder)
{
}
public ColorEditorView (CGRect frame) : base (frame)
{
}
public ColorEditorView ()
{
}
public new SolidBrushViewModel ViewModel {
get => Adaptor.ViewModel;
set => Adaptor.ViewModel = value;
}
public override void OnViewModelChanged (SolidBrushViewModel oldModel)
{
OnPropertyChanged (ViewModel, new PropertyChangedEventArgs (nameof (SolidBrushViewModel.Color)));
}
public override void MouseDragged (NSEvent theEvent)
{
//base.MouseDragged (theEvent);
UpdateFromEvent (theEvent);
}
public override void MouseDown (NSEvent theEvent)
{
//base.MouseDown (theEvent);
UpdateFromEvent (theEvent);
}
public virtual void UpdateFromEvent (NSEvent theEvent)
{
}
protected override void Dispose (bool disposing)
{
base.Dispose (disposing);
if (!disposing)
return;
Adaptor.Dispose ();
}
}
}
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