Merge pull request #106 from MauiGtk/lemon73/implement

Core,Controls(Gtk): Implement RadioButton

Author: jsuarezruiz

src/Controls/samples/Controls.Sample/Pages/Controls/RadioButtonGalleries/RadioButtonContentGallery.xaml

@@ -33,7 +33,7 @@
                                 </RadioButton>
 
                             </On>
-                            <On Platform="Android,Tizen,WPF">
+                            <On Platform="Android,Tizen,WPF,GTK">
                                 <RadioButton Content="Can't use View for Content on this platform, so just plain old text"></RadioButton>
                             </On>
                         </OnPlatform>

src/Controls/src/Core/RadioButton/RadioButton.Gtk.cs

@@ -3,14 +3,12 @@ namespace Microsoft.Maui.Controls
 {
 	public partial class RadioButton
 	{
-		[MissingMapper]
 		public static void MapContent(RadioButtonHandler handler, RadioButton radioButton)
 			=> MapContent((IRadioButtonHandler)handler, radioButton);
 
-		[MissingMapper]
 		public static void MapContent(IRadioButtonHandler handler, RadioButton radioButton)
 		{
-
+			RadioButtonHandler.MapContent(handler, radioButton);
 		}
 	}
 }

src/Core/src/Handlers/RadioButton/RadioButtonHandler.Gtk.cs

@@ -1,19 +1,72 @@
-using System;
+using Gtk;
+using System;
 
 namespace Microsoft.Maui.Handlers
 {
-	public partial class RadioButtonHandler : ViewHandler<IRadioButton, NotImplementedView>
+	public partial class RadioButtonHandler : ViewHandler<IRadioButton, RadioButton>
 	{
-		protected override NotImplementedView CreatePlatformView() => new(nameof(IRadioButton));
+		static RadioButton baseRadioButton = new("base");
 
-		public static void MapBackground(IRadioButtonHandler handler, IRadioButton radioButton) { }
-		public static void MapIsChecked(IRadioButtonHandler handler, IRadioButton radioButton) { }
-		public static void MapContent(IRadioButtonHandler handler, IRadioButton radioButton) { }
-		public static void MapTextColor(IRadioButtonHandler handler, ITextStyle textStyle) { }
+		protected override RadioButton CreatePlatformView()
+		{
+			return new RadioButton(baseRadioButton, "foo");
+		}
+
+		protected override void ConnectHandler(RadioButton platformView)
+		{
+			platformView.Toggled += OnClicked;
+		}
+
+		protected override void DisconnectHandler(RadioButton platformView)
+		{
+			platformView.Toggled -= OnClicked;
+		}
+
+		public static void MapBackground(IRadioButtonHandler handler, IRadioButton radioButton)
+		{
+			if (handler.PlatformView is RadioButton rb)
+				rb.UpdateBackground(radioButton);
+		}
+
+		public static void MapIsChecked(IRadioButtonHandler handler, IRadioButton radioButton)
+		{
+			if (handler.PlatformView is RadioButton rb)
+				rb.UpdateIsChecked(radioButton);
+		}
+
+		public static void MapContent(IRadioButtonHandler handler, IRadioButton radioButton)
+		{
+			if (handler.PlatformView is RadioButton rb)
+				rb.UpdateContent(radioButton);
+		}
+
+		public static void MapTextColor(IRadioButtonHandler handler, ITextStyle textStyle)
+		{
+			handler.PlatformView?.UpdateTextColor(textStyle.TextColor);
+		}
+
+		[MissingMapper]
 		public static void MapCharacterSpacing(IRadioButtonHandler handler, ITextStyle textStyle) { }
-		public static void MapFont(IRadioButtonHandler handler, ITextStyle textStyle) { }
+
+		public static void MapFont(IRadioButtonHandler handler, ITextStyle textStyle)
+		{
+			var fontManager = handler.GetRequiredService<IFontManager>();
+			handler.PlatformView?.UpdateFont(textStyle, fontManager);
+		}
+
+		[MissingMapper]
 		public static void MapStrokeColor(IRadioButtonHandler handler, IRadioButton radioButton) { }
+
+		[MissingMapper]
 		public static void MapStrokeThickness(IRadioButtonHandler handler, IRadioButton radioButton) { }
+
+		[MissingMapper]
 		public static void MapCornerRadius(IRadioButtonHandler handler, IRadioButton radioButton) { }
+
+		void OnClicked(object? sender, EventArgs e)
+		{
+			if (sender is RadioButton platformView && VirtualView != null)
+				VirtualView.IsChecked = platformView.Active;
+		}
 	}
 }

src/Core/src/Platform/Gtk/RadioButtonExtensions.cs

@@ -0,0 +1,41 @@
+using System;
+using Gtk;
+using Microsoft.Maui.Graphics;
+
+namespace Microsoft.Maui.Platform
+{
+	public static class RadioButtonExtensions
+	{
+		public static void UpdateIsChecked(this RadioButton platformRadioButton, IRadioButton radioButton)
+		{
+			platformRadioButton.Active = radioButton.IsChecked;
+		}
+
+		public static void UpdateBackground(this RadioButton platformRadioButton, IRadioButton button)
+		{
+			platformRadioButton.UpdateBackground(button);
+		}
+
+		[MissingMapper]
+		public static void UpdateTextColor(this RadioButton platformRadioButton, ITextStyle button) { }
+
+		public static void UpdateContent(this RadioButton platformRadioButton, IRadioButton radioButton)
+		{
+			_ = radioButton.Handler?.MauiContext ?? throw new InvalidOperationException($"{nameof(MauiContext)} should have been set by base class.");
+
+			if (radioButton is { PresentedContent: IView view })
+				platformRadioButton.Label = $"{view.ToPlatform(radioButton.Handler.MauiContext)}";
+			else
+				platformRadioButton.Label = $"{radioButton.Content}";
+		}
+
+		[MissingMapper]
+		public static void UpdateStrokeColor(this RadioButton platformRadioButton, IRadioButton radioButton) { }
+
+		[MissingMapper]
+		public static void UpdateStrokeThickness(this RadioButton nativeRadioButton, IRadioButton radioButton) { }
+
+		[MissingMapper]
+		public static void UpdateCornerRadius(this RadioButton nativeRadioButton, IRadioButton radioButton) { }
+	}
+}