Fixed SD2-781: Null exception when adding new item to project

Fixed SD2-776: Warn when creating a new file while project is open

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1345 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

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

@@ -25,6 +25,17 @@ namespace ICSharpCode.SharpDevelop.Commands
 	{
 		public override void Run()
 		{
+			if (ProjectService.CurrentProject != null) {
+				if (MessageService.ShowCustomDialog("${res:Dialog.NewFile.AddToProjectQuestion}",
+				                                    "${res:Dialog.NewFile.AddToProjectQuestionTitle}",
+				                                    "${res:Dialog.NewFile.AddToProjectQuestionProject}",
+				                                    "${res:Dialog.NewFile.AddToProjectQuestionStandalone}")
+				    == 1)
+				{
+					new Project.Commands.AddNewItemsToProject().Run();
+					return;
+				}
+			}
 			using (NewFileDialog nfd = new NewFileDialog(null)) {
 				nfd.Owner = (Form)WorkbenchSingleton.Workbench;
 				nfd.ShowDialog(ICSharpCode.SharpDevelop.Gui.WorkbenchSingleton.MainForm);

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

@@ -263,9 +263,10 @@ namespace ICSharpCode.SharpDevelop.Project.Commands
 		public override void Run()
 		{
 			TreeNode selectedNode = ProjectBrowserPad.Instance.ProjectBrowserControl.SelectedNode;
-			DirectoryNode node = selectedNode as DirectoryNode;
-			if (node == null) {
-				node = selectedNode.Parent as DirectoryNode;
+			DirectoryNode node = null;
+			while (selectedNode != null && node == null) {
+				node = selectedNode as DirectoryNode;
+				selectedNode = selectedNode.Parent;
 			}
 			if (node == null) {
 				return;

src/Main/Base/Project/Src/Gui/Pads/ProjectBrowser/ProjectBrowserPad.cs

@@ -72,6 +72,7 @@ namespace ICSharpCode.SharpDevelop.Project
 			if (ProjectService.OpenSolution != null) {
 				ProjectServiceSolutionLoaded(null, new SolutionEventArgs(ProjectService.OpenSolution));
 			}
+			ActiveWindowChanged(null, null);
 		}
 		
 		public void StartLabelEdit(ExtTreeNode node)