Backslash characters now escaped when generating string property assignments in the python forms designer.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@4230 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

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

@@ -36,7 +36,7 @@ namespace ICSharpCode.PythonBinding
 		{
 			Type propertyType = propertyValue.GetType();
 			if (propertyType == typeof(String)) {
-				return "\"" + propertyValue + "\"";
+				return GetQuotedString((string)propertyValue);
 			} else if (propertyType == typeof(Size)) {
 				Size size = (Size)propertyValue;
 				return size.GetType().FullName + "(" + size.Width + ", " + size.Height + ")";
@@ -129,5 +129,10 @@ namespace ICSharpCode.PythonBinding
 			}
 			return text.ToString();
 		}
+		
+		static string GetQuotedString(string text)
+		{
+			return "\"" + text.Replace(@"\", @"\\") + "\"";
+		}
 	}
 }

src/AddIns/BackendBindings/Python/PythonBinding/Test/Designer/PythonPropertyAssignmentToStringTests.cs

@@ -79,5 +79,17 @@ namespace PythonBinding.Tests.Designer
 			string expectedText = "System.Environment.SpecialFolder.ProgramFiles";
 			Assert.AreEqual(expectedText, PythonPropertyValueAssignment.ToString(folder));
 		}
+		
+		/// <summary>
+		/// Ensures that when the user types in "\t" the code for a string property in the forms designer
+		/// the actual string is generated is "\\t".
+		/// </summary>
+		[Test]
+		public void BackslashCharactersEncodedInStrings()
+		{
+			string text = @"c:\temp";
+			string expectedText = "\"c:\\\\temp\"";
+			Assert.AreEqual(expectedText, PythonPropertyValueAssignment.ToString(text));
+		}
 	}
 }