From dce9ecfbac5b78476550bfe1fc76a8bdbb3d930b Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jean-Philippe=20Bruy=C3=A8re?= <jp_bruyere@hotmail.com>
Date: Fri, 9 Feb 2018 20:44:48 +0100
Subject: [PATCH] made SeletedItem of templatedGroup writable

---
 Crow.OpenTK.nuspec                   | 12 +++++++-----
 Crow.sln                             |  4 ----
 Tests/Tests.csproj                   |  2 +-
 src/ExtensionsMethods.cs             |  8 ++++++++
 src/GraphicObjects/TemplatedGroup.cs | 13 ++++++++++++-
 src/Instantiator.cs                  |  3 +++
 6 files changed, 31 insertions(+), 11 deletions(-)

diff --git a/Crow.OpenTK.nuspec b/Crow.OpenTK.nuspec
index e336b178..9d49b0a4 100644
--- a/Crow.OpenTK.nuspec
+++ b/Crow.OpenTK.nuspec
@@ -2,7 +2,7 @@
 <package >
 	<metadata>
 		<id>Crow.OpenTK</id>
-		<version>0.6.0-pre1</version>
+		<version>0.6.0</version>
 		<title>C# Rapid Open Widget Toolkit</title>
 		<authors>JP Bruyere</authors>
 		<owners>Grand Tetras Software</owners>
@@ -21,13 +21,15 @@ Crow.OpenTK is the OpenTK ready version.
 			- Bug fix #36
 			- group item templates in single file
 			- instantiation from code clarification
-			- Only run on mono >= 5.0
 			- Cairo mesh patterns support.
-			- Image resources sharing among controls.            
+			- Image resources sharing among controls.
+			- Some small api changes (LoadInterface replaced by AddWidget overload
+			- Documentations
+			- Tooltip for GraphicObject class		
 		</releaseNotes>
-		<copyright>Copyright 2013-2017</copyright>
+		<copyright>Copyright 2013-2018</copyright>
 		<dependencies>
-			<dependency id="OpenTK" version="3.0.0-git00041" />
+			<dependency id="OpenTK" version="2.0.0" />
 		</dependencies>
         <tags>Crow OpenTK OpenGL Widget Interface GUI C# .Net Mono</tags>
         <references>
diff --git a/Crow.sln b/Crow.sln
index 70736ea4..5fc9079f 100644
--- a/Crow.sln
+++ b/Crow.sln
@@ -16,17 +16,13 @@ Global
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{42C73BD8-51F5-4BB7-8EE9-9F0BE2D80A2C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{42C73BD8-51F5-4BB7-8EE9-9F0BE2D80A2C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{42C73BD8-51F5-4BB7-8EE9-9F0BE2D80A2C}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{42C73BD8-51F5-4BB7-8EE9-9F0BE2D80A2C}.Release|Any CPU.Build.0 = Release|Any CPU
 		{74289092-9F70-4941-AFCB-DFD7BE2140B6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{74289092-9F70-4941-AFCB-DFD7BE2140B6}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{74289092-9F70-4941-AFCB-DFD7BE2140B6}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{74289092-9F70-4941-AFCB-DFD7BE2140B6}.Release|Any CPU.Build.0 = Release|Any CPU
 		{B6D911CD-1D09-42FC-B300-9187190F2AE1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{B6D911CD-1D09-42FC-B300-9187190F2AE1}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B6D911CD-1D09-42FC-B300-9187190F2AE1}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{B6D911CD-1D09-42FC-B300-9187190F2AE1}.Release|Any CPU.Build.0 = Release|Any CPU
 		{C2980F9B-4798-4C05-99E2-E174810F7C7B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{C2980F9B-4798-4C05-99E2-E174810F7C7B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C2980F9B-4798-4C05-99E2-E174810F7C7B}.Release|Any CPU.ActiveCfg = Release|Any CPU
diff --git a/Tests/Tests.csproj b/Tests/Tests.csproj
index 75969d9b..7fd3f6ed 100644
--- a/Tests/Tests.csproj
+++ b/Tests/Tests.csproj
@@ -8,7 +8,7 @@
     <OutputType>Exe</OutputType>
     <RootNamespace>Tests</RootNamespace>
     <AssemblyName>Tests</AssemblyName>
-    <StartupObject>Tests.BasicTests</StartupObject>
+    <StartupObject>Tests.Showcase</StartupObject>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ReleaseVersion>0.5</ReleaseVersion>
diff --git a/src/ExtensionsMethods.cs b/src/ExtensionsMethods.cs
index 6198dee6..6697be62 100644
--- a/src/ExtensionsMethods.cs
+++ b/src/ExtensionsMethods.cs
@@ -125,6 +125,14 @@ namespace Crow
 		{
 			return c == '\t' || c == '\r' || c == '\n' || char.IsWhiteSpace (c);
 		}
+		public static object GetDefaultValue(this object obj)
+		{			
+			Type t = obj.GetType ();
+			if (t.IsValueType)
+				return Activator.CreateInstance (t);
+			
+			return null;
+		}
 	}
 }
 
diff --git a/src/GraphicObjects/TemplatedGroup.cs b/src/GraphicObjects/TemplatedGroup.cs
index c32b2c44..34d57727 100644
--- a/src/GraphicObjects/TemplatedGroup.cs
+++ b/src/GraphicObjects/TemplatedGroup.cs
@@ -148,7 +148,18 @@ namespace Crow
 			}
 		}
 		[XmlIgnore]public virtual object SelectedItem{
-			get { return data == null ? null : _selectedIndex < 0 ? null : data[_selectedIndex]; }
+			get { return data == null ? null : _selectedIndex < 0 ? data.GetDefaultValue() : data[_selectedIndex]; }
+			set {
+				if (data == null) {
+					SelectedIndex = -1;
+					return;
+				}
+				//TODO:double check if value type will be notified to binding sys
+				if (value == SelectedItem)
+					return;
+				
+				SelectedIndex = data.IndexOf (value);
+			}
 		}
 		[XmlIgnore]public bool HasItems {
 			get { return Items.Count > 0; }
diff --git a/src/Instantiator.cs b/src/Instantiator.cs
index 297337ed..b3f070e7 100644
--- a/src/Instantiator.cs
+++ b/src/Instantiator.cs
@@ -890,6 +890,9 @@ namespace Crow.IML
 
 				CompilerServices.emitConvert (il, piSource.PropertyType);
 
+				if (!piSource.CanWrite)
+					throw new Exception ("Source member of bindind is read only:" + piSource.ToString());
+
 				il.Emit (OpCodes.Callvirt, piSource.GetSetMethod ());
 
 				il.MarkLabel (endMethod);
-- 
2.47.3