Add image button

src/Comet/AppHostBuilderExtensions.cs

@@ -57,6 +57,7 @@ namespace Comet
 				{ typeof(FlyoutView), typeof(FlyoutViewHandler) },
 				{ typeof(GraphicsView), typeof(GraphicsViewHandler) },
 				{ typeof(Image) , typeof(ImageHandler) },
+				{ typeof(ImageButton) , typeof(ImageButtonHandler) },
 				//{ typeof(Picker), typeof(PickerHandler) },
 				{ typeof(ProgressBar), typeof(ProgressBarHandler) },
 				{ typeof(SearchBar), typeof(SearchBarHandler) },

src/Comet/Controls/ControlsGenerator.cs

@@ -5,7 +5,7 @@ using Microsoft.Maui;
 using Comet;
 //Property:NewPropertyName=DefaultValue
 [assembly: CometGenerate(typeof(ITextButton), nameof(ITextButton.Text), nameof(IButton.Clicked), ClassName = "Button", Skip = new[] { $"{nameof(ITextStyle.TextColor)}:{EnvironmentKeys.Colors.Color}" }, Namespace = "Comet")]
-//[assembly: CometGenerate(typeof(IImageButton), nameof(IImageButton.Source), nameof(IButton.Clicked), ClassName = "ImageButton", Namespace = "Comet")]
+[assembly: CometGenerate(typeof(IImageButton), nameof(IImageButton.Source), nameof(IButton.Clicked), ClassName = "ImageButton", Namespace = "Comet")]
 
 //[assembly: CometGenerate(typeof(IBorder), BaseClass = "ContentView", Namespace = "Comet")]
 [assembly: CometGenerate(typeof(IIndicatorView), nameof(IIndicatorView.Count), ClassName = "IndicatorView", Namespace = "Comet")]

src/Comet/Controls/ImageButton.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using Comet.Graphics;
+using Microsoft.Maui;
+using Microsoft.Maui.Graphics;
+
+namespace Comet
+{
+	public partial class ImageButton : View, Microsoft.Maui.IImageButton
+	{
+		protected static Dictionary<string, string> ImageHandlerPropertyMapper = new(HandlerPropertyMapper)
+		{
+			[nameof(ImageSource)] = nameof(IImageSourcePart.Source),
+		};
+
+		public ImageButton(Binding<string> source, Action clicked = null)
+		{
+			StringSource = source;
+			Clicked = clicked;
+		}
+
+		public ImageButton(Func<string> source, Action clicked = null) : this((Binding<string>)source, clicked) { }
+
+		private Binding<string> _source;
+		public Binding<string> StringSource
+		{
+			get => _source;
+			protected set
+			{
+				this.SetBindingValue(ref _source, value);
+				CreateImageSource(_source.CurrentValue);
+			}
+		}
+
+		public override void ViewPropertyChanged(string property, object value)
+		{
+			base.ViewPropertyChanged(property, value);
+			if (property == nameof(StringSource))
+			{
+				InvalidateMeasurement();
+				CreateImageSource((string)value);
+			}
+		}
+
+		private void CreateImageSource(string source)
+		{
+			try
+			{
+				this.source ??= new Binding<IImageSource>();
+				this.source.Set((ImageSource)source);
+				ViewHandler?.UpdateValue(nameof(IImageSourcePart.Source));
+			}
+			catch (Exception exc)
+			{
+				Logger.Warn("An unexpected error occurred loading a bitmap.", exc);
+			}
+		}
+
+		protected override string GetHandlerPropertyName(string property)
+			=> ImageHandlerPropertyMapper.TryGetValue(property, out var value) ? value : property;
+	}
+}