From 3c2338b916d6f650291245e918963c7c660fa6b5 Mon Sep 17 00:00:00 2001
From: Larry Ewing <lewing@xamarin.com>
Date: Wed, 11 Apr 2018 20:24:43 -0500
Subject: Start adding MaterialDesign support

---
 .../Controls/Custom/BrushTabViewController.cs      | 77 ++++++++++++++++++----
 .../Controls/Custom/ResourceBrushViewController.cs |  8 ++-
 .../Controls/Custom/SolidColorBrushEditor.cs       |  1 +
 3 files changed, 70 insertions(+), 16 deletions(-)

(limited to 'Xamarin.PropertyEditing.Mac/Controls')

diff --git a/Xamarin.PropertyEditing.Mac/Controls/Custom/BrushTabViewController.cs b/Xamarin.PropertyEditing.Mac/Controls/Custom/BrushTabViewController.cs
index 68cdce3..64c97b1 100644
--- a/Xamarin.PropertyEditing.Mac/Controls/Custom/BrushTabViewController.cs
+++ b/Xamarin.PropertyEditing.Mac/Controls/Custom/BrushTabViewController.cs
@@ -5,6 +5,7 @@ using System.Linq;
 using AppKit;
 using CoreAnimation;
 using CoreGraphics;
+using Foundation;
 using Xamarin.PropertyEditing.Drawing;
 using Xamarin.PropertyEditing.ViewModels;
 
@@ -22,11 +23,9 @@ namespace Xamarin.PropertyEditing.Mac
 		protected override void OnPropertyChanged (object sender, PropertyChangedEventArgs e)
 		{
 			switch (e.PropertyName) {
-				case nameof (BrushPropertyViewModel.Solid):
-					if (materialEditor != null)
-						materialEditor.ViewModel = ViewModel;
+				case nameof (BrushPropertyViewModel.MaterialDesign):
+					materialEditor.ViewModel = ViewModel;
 					break;
-
 			}
 		}
 
@@ -38,18 +37,15 @@ namespace Xamarin.PropertyEditing.Mac
 
 		public class MaterialView : NSView
 		{
+			public override bool IsFlipped => true;
+
 			public MaterialView () : base ()
 			{
-
+				Initialize ();
 			}
 
 			void Initialize () {
 				WantsLayer = true;
-				Layer = new CALayer {
-					CornerRadius = 3,
-					BorderColor = NSColor.SystemGrayColor.CGColor,
-					BorderWidth = 1
-				};
 			}
 
 			BrushPropertyViewModel viewModel;
@@ -68,16 +64,69 @@ namespace Xamarin.PropertyEditing.Mac
 
 			public override void Layout ()
 			{
-				if (ViewModel.MaterialDesign != null) {
-					Layer.BackgroundColor = (MaterialDesign?.AccentColor ?? CommonColor.White).ToCGColor ();
-				}
 				base.Layout ();
+				if (Layer.Sublayers != null)
+					foreach (var l in Layer.Sublayers)
+						l.RemoveFromSuperLayer ();
+				
+				if (MaterialDesign != null) {
+					var colors = MaterialDesign.Palettes.Select (p => new { p.Name, p.MainColor }).ToArray ();
+					int col = 0;
+					nfloat x = 0;
+					nfloat y = 0;
+					var width = Bounds.Width / 10;
+					var height = Bounds.Height / 5;
+
+					foreach (var p in colors) {
+						var layer = new CALayer {
+							BackgroundColor = p.MainColor.ToCGColor (),
+							CornerRadius = 3,
+							Frame = new CGRect (x, y, width, height)
+						};
+						Layer.AddSublayer (layer);
+						x += width;
+						col++;
+						if (col >= 10) {
+							x = 0;
+							y += height;
+							col = 0;
+						}
+					}
+
+					y += 30;
+					x = 0;
+					width = Bounds.Width / MaterialDesign.NormalColorScale.Count ();
+					foreach (var n in MaterialDesign.NormalColorScale) {
+						var layer = new CALayer {
+							BackgroundColor = n.Value.ToCGColor (),
+							CornerRadius = 3,
+							Frame = new CGRect (x, y, width, height)
+						};
+						Layer.AddSublayer (layer);
+						x += width;
+					}
+
+					y += height;
+					x = 0;
+					width = Bounds.Width / MaterialDesign.AccentColorScale.Count ();
+					foreach (var n in MaterialDesign.AccentColorScale) {
+						var layer = new CALayer {
+							BackgroundColor = n.Value.ToCGColor (),
+							CornerRadius = 3,
+							Frame = new CGRect (x, y, width, height)
+						};
+						Layer.AddSublayer (layer);
+						x += width;
+					}
+				}
 			}
         }
 
 		public override void LoadView ()
 		{
-			View = materialEditor = new MaterialView ();
+			View = materialEditor = new MaterialView {
+				ViewModel = ViewModel
+			};
 		}
 	}
 
diff --git a/Xamarin.PropertyEditing.Mac/Controls/Custom/ResourceBrushViewController.cs b/Xamarin.PropertyEditing.Mac/Controls/Custom/ResourceBrushViewController.cs
index 266975b..caee3dc 100644
--- a/Xamarin.PropertyEditing.Mac/Controls/Custom/ResourceBrushViewController.cs
+++ b/Xamarin.PropertyEditing.Mac/Controls/Custom/ResourceBrushViewController.cs
@@ -123,14 +123,12 @@ namespace Xamarin.PropertyEditing.Mac
 		// Called when created from unmanaged code
 		public ResourceOutlineView (IntPtr handle) : base (handle)
 		{
-			Initialize ();
 		}
 
 		// Called when created directly from a XIB file
 		[Export ("initWithCoder:")]
 		public ResourceOutlineView (NSCoder coder) : base (coder)
 		{
-			Initialize ();
 		}
 
 		public void Initialize ()
@@ -200,6 +198,7 @@ namespace Xamarin.PropertyEditing.Mac
 			if (ViewModel.Resource != null && source.TryGetFacade (ViewModel?.Resource, out var facade)) {
 				index = resourceSelector.RowForItem (facade);
 			}
+
 			if (index < 0)
 				resourceSelector.DeselectAll (null);
 			else
@@ -214,6 +213,11 @@ namespace Xamarin.PropertyEditing.Mac
 			}
 		}
 
+		public new ResourceOutlineView View {
+			get => base.View as ResourceOutlineView;
+			set => base.View = (value as ResourceOutlineView);
+		}
+
 		public override void LoadView ()
 		{
 			viewDelegate.ViewModel = ViewModel;
diff --git a/Xamarin.PropertyEditing.Mac/Controls/Custom/SolidColorBrushEditor.cs b/Xamarin.PropertyEditing.Mac/Controls/Custom/SolidColorBrushEditor.cs
index 38fa322..1a1365f 100644
--- a/Xamarin.PropertyEditing.Mac/Controls/Custom/SolidColorBrushEditor.cs
+++ b/Xamarin.PropertyEditing.Mac/Controls/Custom/SolidColorBrushEditor.cs
@@ -150,6 +150,7 @@ namespace Xamarin.PropertyEditing.Mac
 			set {
 				brush = value;
 				BrushLayer = CreateBrushLayer (brush);
+				Opacity = brush == null ? 0 : 1;
 			}
 		}
 
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