Fixed forum-5561: Preferences not saving if path exceeds certain length

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1190 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Gui/Workbench/DefaultWorkbench.cs

@@ -269,15 +269,20 @@ namespace ICSharpCode.SharpDevelop.Gui
 			StatusBarService.RedrawStatusbar();
 		}
 		
+		string GetMementoFileName(string contentName)
+		{
+			string directory = Path.Combine(PropertyService.ConfigDirectory, "temp");
+			//string directoryName = Path.GetDirectoryName(contentName);
+			return Path.Combine(directory,
+			                    Path.GetFileName(contentName)
+			                    + "." + contentName.ToLowerInvariant().GetHashCode().ToString("x")
+			                    + ".xml");
+		}
+		
 		public Properties GetStoredMemento(IViewContent content)
 		{
 			if (content != null && content.FileName != null) {
-				string directory = Path.Combine(PropertyService.ConfigDirectory, "temp");
+				string fullFileName = GetMementoFileName(content.FileName);
-				if (!Directory.Exists(directory)) {
-					Directory.CreateDirectory(directory);
-				}
-				string fileName = content.FileName.Substring(3).Replace('/', '.').Replace('\\', '.').Replace(Path.DirectorySeparatorChar, '.');
-				string fullFileName = Path.Combine(directory, fileName);
 				// check the file name length because it could be more than the maximum length of a file name
 				
 				if (FileUtility.IsValidFileName(fullFileName) && File.Exists(fullFileName)) {
@@ -299,8 +304,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 			}
 			
 			Properties memento = ((IMementoCapable)content).CreateMemento();
-			string fileName = content.FileName.Substring(3).Replace('/', '.').Replace('\\', '.').Replace(Path.DirectorySeparatorChar, '.');
+			string fullFileName = GetMementoFileName(content.FileName);
-			string fullFileName = Path.Combine(directory, fileName);
 			
 			if (FileUtility.IsValidFileName(fullFileName)) {
 				FileUtility.ObservedSave(new NamedFileOperationDelegate(memento.Save), fullFileName, FileErrorPolicy.Inform);

src/Main/Base/Project/Src/Services/ProjectService/ProjectService.cs

@@ -296,9 +296,10 @@ namespace ICSharpCode.SharpDevelop.Project
 		static string GetPreferenceFileName(string projectFileName)
 		{
 			string directory = PropertyService.ConfigDirectory + "preferences";
-			string fileName = projectFileName.Substring(3).Replace('/', '.').Replace('\\', '.').Replace(Path.DirectorySeparatorChar, '.');
+			return Path.Combine(directory,
-			string fullFileName = Path.Combine(directory, fileName + ".xml");
+			                    Path.GetFileName(projectFileName)
-			return fullFileName;
+			                    + "." + projectFileName.ToLowerInvariant().GetHashCode().ToString("x")
+			                    + ".xml");
 		}
 		
 		public static void SaveSolutionPreferences()

src/Main/Core/Project/Src/Services/FileUtility/FileUtility.cs

@@ -265,6 +265,8 @@ namespace ICSharpCode.Core
 			}
 		}
 		
+		public static int MaxPathLength = 260;
+		
 		/// <summary>
 		/// This method checks the file fileName if it is valid.
 		/// </summary>
@@ -273,7 +275,7 @@ namespace ICSharpCode.Core
 			// Fixme: 260 is the hardcoded maximal length for a path on my Windows XP system
 			//        I can't find a .NET property or method for determining this variable.
 			
-			if (fileName == null || fileName.Length == 0 || fileName.Length >= 260) {
+			if (fileName == null || fileName.Length == 0 || fileName.Length >= MaxPathLength) {
 				return false;
 			}