From ead73805bd3b147aa96f305ded0fdf35dcc66177 Mon Sep 17 00:00:00 2001
From: Dominique Louis <savagesoftware@gmail.com>
Date: Wed, 14 Feb 2018 16:30:31 +0000
Subject: [Mac] Initial CustomExpression Implementation.

---
 .../Controls/CustomExpressionView.cs               | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 Xamarin.PropertyEditing.Mac/Controls/CustomExpressionView.cs

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

diff --git a/Xamarin.PropertyEditing.Mac/Controls/CustomExpressionView.cs b/Xamarin.PropertyEditing.Mac/Controls/CustomExpressionView.cs
new file mode 100644
index 0000000..17be2bc
--- /dev/null
+++ b/Xamarin.PropertyEditing.Mac/Controls/CustomExpressionView.cs
@@ -0,0 +1,46 @@
+using System;
+using System.Reflection;
+using AppKit;
+using CoreGraphics;
+using Foundation;
+using ObjCRuntime;
+using Xamarin.PropertyEditing.ViewModels;
+
+namespace Xamarin.PropertyEditing.Mac
+{
+	internal class CustomExpressionView : BasePopOverViewModelControl
+	{
+		Type vmType;
+		const string CustomExpressionPropertyString = "CustomExpression";
+		PropertyInfo customExpressionPropertyInfo;
+
+		public CustomExpressionView (PropertyViewModel viewModel) : base (viewModel,  Properties.Resources.CustomExpression, "custom-expression-32")
+		{
+			Frame = new CGRect (CGPoint.Empty, new CGSize (250, 60));
+
+			var customExpressionField = new NSTextField {
+				StringValue = string.Empty,
+				TranslatesAutoresizingMaskIntoConstraints = false,
+			};
+
+			vmType = viewModel.GetType ();
+			customExpressionPropertyInfo = vmType.GetProperty (CustomExpressionPropertyString);
+			var value = customExpressionPropertyInfo.GetValue (viewModel);
+			if (value != null)
+				customExpressionField.StringValue = (string)value;
+
+			customExpressionField.Activated += (sender, e) => {
+				customExpressionPropertyInfo.SetValue (viewModel, customExpressionField.StringValue);
+			};
+
+			AddSubview (customExpressionField);
+
+			this.DoConstraints (new[] {
+				customExpressionField.ConstraintTo (this, (s, c) => s.Top == c.Top + 30),
+				customExpressionField.ConstraintTo (this, (s, c) => s.Left == c.Left + 30),
+				customExpressionField.ConstraintTo (this, (s, c) => s.Width == c.Width - 37),
+				customExpressionField.ConstraintTo (this, (s, c) => s.Height == 24),
+			});
+		}
+	}
+}
-- 
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