Initial import

1 files changed, 160 insertions, 0 deletions

diff --git a/Xamarin.Forms.Platform.WinRT/ButtonRenderer.cs b/Xamarin.Forms.Platform.WinRT/ButtonRenderer.cs
new file mode 100644
index 00000000..60ee6418
--- /dev/null
+++ b/Xamarin.Forms.Platform.WinRT/ButtonRenderer.cs
@@ -0,0 +1,160 @@
+using System;
+using System.ComponentModel;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media;
+using Windows.UI.Xaml.Media.Imaging;
+using WThickness = Windows.UI.Xaml.Thickness;
+using WButton = Windows.UI.Xaml.Controls.Button;
+using WImage = Windows.UI.Xaml.Controls.Image;
+
+#if WINDOWS_UWP
+
+namespace Xamarin.Forms.Platform.UWP
+#else
+
+namespace Xamarin.Forms.Platform.WinRT
+#endif
+{
+	public class ButtonRenderer : ViewRenderer<Button, FormsButton>
+	{
+		bool _fontApplied;
+
+		protected override void OnElementChanged(ElementChangedEventArgs<Button> e)
+		{
+			base.OnElementChanged(e);
+
+			if (e.NewElement != null)
+			{
+				if (Control == null)
+				{
+					var button = new FormsButton();
+					button.Click += OnButtonClick;
+					SetNativeControl(button);
+				}
+
+				UpdateContent();
+
+				if (Element.BackgroundColor != Color.Default)
+					UpdateBackground();
+
+				if (Element.TextColor != Color.Default)
+					UpdateTextColor();
+
+				if (Element.BorderColor != Color.Default)
+					UpdateBorderColor();
+
+				if (Element.BorderWidth != 0)
+					UpdateBorderWidth();
+
+				if (Element.BorderRadius != (int)Button.BorderRadiusProperty.DefaultValue)
+					UpdateBorderRadius();
+
+				UpdateFont();
+			}
+		}
+
+		protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+		{
+			base.OnElementPropertyChanged(sender, e);
+
+			if (e.PropertyName == Button.TextProperty.PropertyName || e.PropertyName == Button.ImageProperty.PropertyName)
+			{
+				UpdateContent();
+			}
+			else if (e.PropertyName == VisualElement.BackgroundColorProperty.PropertyName)
+			{
+				UpdateBackground();
+			}
+			else if (e.PropertyName == Button.TextColorProperty.PropertyName)
+			{
+				UpdateTextColor();
+			}
+			else if (e.PropertyName == Button.FontProperty.PropertyName)
+			{
+				UpdateFont();
+			}
+			else if (e.PropertyName == Button.BorderColorProperty.PropertyName)
+			{
+				UpdateBorderColor();
+			}
+			else if (e.PropertyName == Button.BorderWidthProperty.PropertyName)
+			{
+				UpdateBorderWidth();
+			}
+			else if (e.PropertyName == Button.BorderRadiusProperty.PropertyName)
+			{
+				UpdateBorderRadius();
+			}
+		}
+
+		void OnButtonClick(object sender, RoutedEventArgs e)
+		{
+			Button buttonView = Element;
+			if (buttonView != null)
+				((IButtonController)buttonView).SendClicked();
+		}
+
+		void UpdateBackground()
+		{
+			Control.Background = Element.BackgroundColor != Color.Default ? Element.BackgroundColor.ToBrush() : (Brush)Windows.UI.Xaml.Application.Current.Resources["ButtonBackgroundThemeBrush"];
+		}
+
+		void UpdateBorderColor()
+		{
+			Control.BorderBrush = Element.BorderColor != Color.Default ? Element.BorderColor.ToBrush() : (Brush)Windows.UI.Xaml.Application.Current.Resources["ButtonBorderThemeBrush"];
+		}
+
+		void UpdateBorderRadius()
+		{
+			Control.BorderRadius = Element.BorderRadius;
+		}
+
+		void UpdateBorderWidth()
+		{
+			Control.BorderThickness = Element.BorderWidth == 0d ? new WThickness(3) : new WThickness(Element.BorderWidth);
+		}
+
+		void UpdateContent()
+		{
+			if (Element.Image != null)
+			{
+				var panel = new StackPanel { Orientation = Orientation.Horizontal };
+
+				var image = new WImage { Source = new BitmapImage(new Uri("ms-appx:///" + Element.Image.File)), Width = 30, Height = 30, Margin = new WThickness(0, 0, 20, 0) };
+				panel.Children.Add(image);
+				image.ImageOpened += (sender, args) => { ((IButtonController)Element).NativeSizeChanged(); };
+
+				if (Element.Text != null)
+				{
+					panel.Children.Add(new TextBlock { Text = Element.Text });
+				}
+
+				Control.Content = panel;
+			}
+			else
+			{
+				Control.Content = Element.Text;
+			}
+		}
+
+		void UpdateFont()
+		{
+			if (Control == null || Element == null)
+				return;
+
+			if (Element.Font == Font.Default && !_fontApplied)
+				return;
+
+			Font fontToApply = Element.Font == Font.Default ? Font.SystemFontOfSize(NamedSize.Medium) : Element.Font;
+
+			Control.ApplyFont(fontToApply);
+			_fontApplied = true;
+		}
+
+		void UpdateTextColor()
+		{
+			Control.Foreground = Element.TextColor != Color.Default ? Element.TextColor.ToBrush() : (Brush)Windows.UI.Xaml.Application.Current.Resources["DefaultTextForegroundThemeBrush"];
+		}
+	}
+}
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