Event handlers with EventHandler object creation now converted to Python.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@4066 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/Python/PythonBinding/Project/Src/NRefactoryToPythonConverter.cs

@@ -1432,7 +1432,13 @@ namespace ICSharpCode.PythonBinding
 		{
 			// Create event handler expression.
 			IdentifierExpression identifierExpression = eventHandlerExpression as IdentifierExpression;
-			Append(identifierExpression.Identifier);
+			ObjectCreateExpression objectCreateExpression = eventHandlerExpression as ObjectCreateExpression;
+			if (identifierExpression != null) {
+				Append(identifierExpression.Identifier);
+			} else if (objectCreateExpression != null) {
+				//if (objectCreateExpression.Parameters.Count > 0) {
+				CreateDelegateCreateExpression(objectCreateExpression.Parameters[0]);
+			}
 			return null;
 		}
 		

src/AddIns/BackendBindings/Python/PythonBinding/Test/Converter/EventHandlerWithObjectCreationTestFixture.cs

@@ -0,0 +1,51 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Matthew Ward" email="mrward@users.sourceforge.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using ICSharpCode.NRefactory;
+using ICSharpCode.PythonBinding;
+using NUnit.Framework;
+
+namespace PythonBinding.Tests.Converter
+{
+	/// <summary>
+	/// Tests that an event handler such as button1.Click += new EventHandler(Button1Click) is converted
+	/// to Python correctly.
+	/// </summary>
+	[TestFixture]
+	public class EventHandlerWithObjectCreationTestFixture
+	{
+		string csharp = "class Foo\r\n" +
+						"{\r\n" +
+						"\tpublic Foo()\r\n" +
+						"\t{" +
+						"\t\tbutton = new Button();\r\n" +
+						"\t\tbutton.Click += new EventHandler(ButtonClick);\r\n" +
+						"\t}\r\n" +
+						"\r\n" +
+						"\tvoid ButtonClick(object sender, EventArgs e)\r\n" +
+						"\t{\r\n" +
+						"\t}\r\n" +
+						"}";
+				
+		[Test]
+		public void ConvertedPythonCode()
+		{
+			string expectedCode = "class Foo(object):\r\n" +
+									"\tdef __init__(self):\r\n" +
+									"\t\tbutton = Button()\r\n" +
+									"\t\tbutton.Click += ButtonClick\r\n" +
+									"\r\n" +
+									"\tdef ButtonClick(self, sender, e):\r\n" +
+									"\t\tpass";
+			NRefactoryToPythonConverter converter = new NRefactoryToPythonConverter(SupportedLanguage.CSharp);
+			string code = converter.Convert(csharp);
+			
+			Assert.AreEqual(expectedCode, code);
+		}
+	}
+}

src/AddIns/BackendBindings/Python/PythonBinding/Test/PythonBinding.Tests.csproj

@@ -103,6 +103,7 @@
     <Compile Include="Converter\ClassFieldReferenceTestFixture.cs" />
     <Compile Include="Converter\ConverterSupportedLanguageTests.cs" />
     <Compile Include="Converter\ConvertToPythonProjectCommandTestFixture.cs" />
+    <Compile Include="Converter\EventHandlerWithObjectCreationTestFixture.cs" />
     <Compile Include="Converter\IntegerMethodParameterTestFixture.cs" />
     <Compile Include="Converter\BaseClassReferenceTestFixture.cs" />
     <Compile Include="Converter\BinaryOperatorConversionTests.cs" />