Squashed commit devel branch:

commit 7f91f7c2e83f7cfb2922ea83586f156f03f88a59
Author: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date:   Fri Feb 9 18:13:59 2018 +0100

    go back to OpenTK-2, waiting for an official release

commit 125f32758a584c4976d3536eab3702fd37a8a7a9
Author: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date:   Fri Feb 9 17:26:00 2018 +0100

    LoadInterface replaced by AddWidget overload, [ide] property view item templates in separate template file

commit 7c48cd2f0332d2ec82006edb755fcd37ab1f2b4a
Author: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date:   Fri Feb 9 12:10:13 2018 +0100

    Tooltips, CrowIDE improvements, Fetch subdata when test not eq TypeOf, debug listener in basicTest, RemoveWidget in iface
    	modifié :         Crow.ControlsLib/Crow.ControlsLib.csproj
    	modifié :         Crow.csproj
    	modifié :         Crow.sln
    	modifié :         CrowIDE/CrowIDE.csproj
    	modifié :         CrowIDE/src/CrowIDE.cs
    	modifié :         CrowIDE/src/ImlVisualEditor.cs
    	nouveau fichier : CrowIDE/src/Project.cs
    	nouveau fichier : CrowIDE/src/Solution.cs
    	nouveau fichier : CrowIDE/src/VerticalLine.cs
    	nouveau fichier : CrowIDE/ui/ProjectProperties.crow
    	nouveau fichier : CrowIDE/ui/ProjectTree.template
    	nouveau fichier : CrowIDE/ui/TreeExpandable.template
    	modifié :         CrowIDE/ui/imlEditor.crow
    	modifié :         Default.style
    	nouveau fichier : Icons/assembly.svg
    	nouveau fichier : Templates/Tooltip.template
    	modifié :         Tests/BasicTests.cs
    	modifié :         Tests/HelloWorld.cs
    	modifié :         Tests/Interfaces/Divers/0.crow
    	modifié :         Tests/Interfaces/Divers/testShape.crow
    	modifié :         Tests/Interfaces/Divers/welcome.crow
    	modifié :         Tests/Tests.csproj
    	modifié :         src/CompilerServices/CompilerServices.cs
    	modifié :         src/GraphicObjects/FileDialog.cs
    	modifié :         src/GraphicObjects/GraphicObject.cs
    	modifié :         src/GraphicObjects/MessageBox.cs
    	modifié :         src/Instantiator.cs
    	modifié :         src/Interface.cs
    	modifié :         src/ItemTemplate.cs

1 files changed, 44 insertions, 16 deletions

diff --git a/src/CompilerServices/CompilerServices.cs b/src/CompilerServices/CompilerServices.cs
index cb8b75b5..16d28490 100644
--- a/src/CompilerServices/CompilerServices.cs
+++ b/src/CompilerServices/CompilerServices.cs
@@ -67,6 +67,7 @@ namespace Crow.IML
 		internal static MethodInfo miGetValWithRefx = typeof(CompilerServices).GetMethod("getValueWithReflexion", BindingFlags.Static | BindingFlags.NonPublic);
 		internal static MethodInfo miCreateDel = typeof(CompilerServices).GetMethod ("createDel", BindingFlags.Static | BindingFlags.NonPublic);
 		internal static MethodInfo miGetImplOp = typeof(CompilerServices).GetMethod ("getImplicitOp", BindingFlags.Static | BindingFlags.NonPublic);
+		internal static MethodInfo miGetDataTypeAndFetch = typeof(CompilerServices).GetMethod("getDataTypeAndFetch", BindingFlags.Static | BindingFlags.NonPublic);
 
 
 		internal static MethodInfo miGoUpLevels = typeof(CompilerServices).GetMethod("goUpNbLevels", BindingFlags.Static | BindingFlags.NonPublic);
@@ -92,7 +93,7 @@ namespace Crow.IML
 		internal static MethodInfo miGetITempFromDic = typeof(Dictionary<string, ItemTemplate>).GetMethod ("get_Item", new Type[] { typeof(string) });
 		internal static FieldInfo fldItemTemplates = typeof(TemplatedGroup).GetField("ItemTemplates");
 		internal static MethodInfo miCreateExpDel = typeof(ItemTemplate).GetMethod ("CreateExpandDelegate");
-
+		internal static FieldInfo fiFetchMethodName = typeof(ItemTemplate).GetField("fetchMethodName", BindingFlags.Instance | BindingFlags.NonPublic);
 		#region tree handling methods
 		internal static FieldInfo fiChild = typeof(PrivateContainer).GetField ("child", BindingFlags.Instance | BindingFlags.NonPublic);
 		internal static MethodInfo miSetChild = typeof (Container).GetMethod ("SetChild");
@@ -330,22 +331,27 @@ namespace Crow.IML
 			Type dstType = null;
 			if (mi == null)
 				return null;
-			if (mi.MemberType == MemberTypes.Property) {
-				PropertyInfo pi = mi as PropertyInfo;
-				tmp = pi.GetValue (instance);
-				dstType = pi.PropertyType;
-			}
-			if (mi.MemberType == MemberTypes.Field) {
-				FieldInfo fi = mi as FieldInfo;
-				tmp = fi.GetValue (instance);
-				dstType = fi.FieldType;
-			}
-			if (tmp != null)
-				return tmp;
-			if (dstType == typeof(string) || dstType == CompilerServices.TObject)//TODO:object should be allowed to return null and not ""
+			try {
+				if (mi.MemberType == MemberTypes.Property) {
+					PropertyInfo pi = mi as PropertyInfo;
+					tmp = pi.GetValue (instance);
+					dstType = pi.PropertyType;
+				}
+				if (mi.MemberType == MemberTypes.Field) {
+					FieldInfo fi = mi as FieldInfo;
+					tmp = fi.GetValue (instance);
+					dstType = fi.FieldType;
+				}
+				if (tmp != null)
+					return tmp;
+				if (dstType == typeof(string) || dstType == CompilerServices.TObject)//TODO:object should be allowed to return null and not ""
+					return "";
+				if (dstType.IsValueType)
+					return Activator.CreateInstance (dstType);				
+			} catch (Exception ex) {
+				Debug.WriteLine (ex.ToString ());
 				return "";
-			if (dstType.IsValueType)
-				return Activator.CreateInstance (dstType);
+			}
 
 			return null;
 		}
@@ -863,6 +869,28 @@ namespace Crow.IML
 			}
 			return null;
 		}
+
+		internal static object getDataTypeAndFetch (object data, string fetchMethod){
+			Type dataType = data.GetType();
+			MethodInfo miGetDatas = dataType.GetMethod (fetchMethod, new Type[] {});
+			if (miGetDatas == null)
+				miGetDatas = CompilerServices.SearchExtMethod (dataType, fetchMethod);
+
+			if (miGetDatas == null) {//in last resort, search among properties
+				PropertyInfo piDatas = dataType.GetProperty (fetchMethod);
+				if (piDatas == null) {
+					FieldInfo fiDatas = dataType.GetField (fetchMethod);
+					if (fiDatas == null)//and among fields
+						throw new Exception ("Fetch data member not found in ItemTemplate: " + fetchMethod);
+					return fiDatas.GetValue (data);
+				}
+				miGetDatas = piDatas.GetGetMethod ();
+				if (miGetDatas == null)
+					throw new Exception ("Read only property for fetching data in ItemTemplate: " + fetchMethod);
+			}
+			object tmp = miGetDatas.Invoke (data, null);
+			return tmp;
+		}
 	}
 }