Fixed SD2-841: Saving MSBuild project after deleting file from project can throw ArgumentException

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1469 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Commands/FileMenuCommands.cs

@@ -7,7 +7,6 @@
 
 using System;
 using System.IO;
-using System.Text;
 using System.Windows.Forms;
 
 using ICSharpCode.Core;
@@ -35,26 +34,8 @@ namespace ICSharpCode.SharpDevelop.Project.Commands
 		public override void Run()
 		{
 			using (OpenFileDialog fdiag  = new OpenFileDialog()) {
-				AddInTreeNode addinTreeNode = AddInTree.GetTreeNode("/SharpDevelop/Workbench/Combine/FileFilter");
-				StringBuilder b = new StringBuilder(StringParser.Parse("${res:SharpDevelop.Solution.AllKnownProjectFormats}|"));
-				bool first = true;
-				foreach (Codon c in addinTreeNode.Codons) {
-					if (!first) {
-						b.Append(';');
-					} else {
-						first = false;
-					}
-					string ext = c.Properties.Get("extensions", "");
-					if (ext != "*.*" && ext.Length > 0) {
-						b.Append(ext);
-					}
-				}
-				foreach (string entry in addinTreeNode.BuildChildItems(this)) {
-					b.Append('|');
-					b.Append(entry);
-				}
 				fdiag.AddExtension    = true;
-				fdiag.Filter          = b.ToString();
+				fdiag.Filter          = ProjectService.GetAllProjectsFilter(this);
 				fdiag.Multiselect     = false;
 				fdiag.CheckFileExists = true;
 				if (fdiag.ShowDialog(ICSharpCode.SharpDevelop.Gui.WorkbenchSingleton.MainForm) == DialogResult.OK) {

src/Main/Base/Project/Src/Gui/Pads/ProjectBrowser/Commands/SolutionNodeCommands.cs

@@ -64,7 +64,7 @@ namespace ICSharpCode.SharpDevelop.Project.Commands
 			if (node != null) {
 				using (OpenFileDialog fdiag = new OpenFileDialog()) {
 					fdiag.AddExtension    = true;
-					fdiag.Filter = StringParser.Parse("${res:SharpDevelop.FileFilter.AllFiles}|*.*");
+					fdiag.Filter = ProjectService.GetAllProjectsFilter(this);
 					fdiag.Multiselect     = true;
 					fdiag.CheckFileExists = true;
 					if (fdiag.ShowDialog(ICSharpCode.SharpDevelop.Gui.WorkbenchSingleton.MainForm) == DialogResult.OK) {

src/Main/Base/Project/Src/Project/MSBuildProject.cs

@@ -123,6 +123,7 @@ namespace ICSharpCode.SharpDevelop.Project
 			if (File.Exists(userSettingsFileName)) {
 				using (MSBuildFileReader reader = new MSBuildFileReader(userSettingsFileName)) {
 					reader.WhitespaceHandling = WhitespaceHandling.Significant;
+					reader.Namespaces = false;
 					reader.MoveToContent(); // we have to skip over the XmlDeclaration (if it exists)
 					while (reader.Read()){
 						if (reader.IsStartElement()) {

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

@@ -7,6 +7,7 @@
 
 using System;
 using System.IO;
+using System.Text;
 using ICSharpCode.Core;
 using ICSharpCode.SharpDevelop.Gui;
 
@@ -324,6 +325,32 @@ namespace ICSharpCode.SharpDevelop.Project
 			}
 		}
 		
+		/// <summary>
+		/// Returns a File Dialog filter that can be used to filter on all registered project formats
+		/// </summary>
+		public static string GetAllProjectsFilter(object caller)
+		{
+			AddInTreeNode addinTreeNode = AddInTree.GetTreeNode("/SharpDevelop/Workbench/Combine/FileFilter");
+			StringBuilder b = new StringBuilder(StringParser.Parse("${res:SharpDevelop.Solution.AllKnownProjectFormats}|"));
+			bool first = true;
+			foreach (Codon c in addinTreeNode.Codons) {
+				string ext = c.Properties.Get("extensions", "");
+				if (ext != "*.*" && ext.Length > 0) {
+					if (!first) {
+						b.Append(';');
+					} else {
+						first = false;
+					}
+					b.Append(ext);
+				}
+			}
+			foreach (string entry in addinTreeNode.BuildChildItems(caller)) {
+				b.Append('|');
+				b.Append(entry);
+			}
+			return b.ToString();
+		}
+		
 		static string GetPreferenceFileName(string projectFileName)
 		{
 			string directory = PropertyService.ConfigDirectory + "preferences";