ResourceEditor: Fixed some issues with adding new items.

src/AddIns/DisplayBindings/ResourceEditor/Project/Src/Commands/AddNewFileCommand.cs

@@ -21,8 +21,6 @@ using System.IO;
 using System.Runtime.Serialization.Formatters.Binary;
 
 using ICSharpCode.Core;
-using ICSharpCode.SharpDevelop;
-using ICSharpCode.SharpDevelop.Gui;
 using Microsoft.Win32;
 using ResourceEditor.ViewModels;
 
@@ -30,12 +28,14 @@ namespace ResourceEditor.Commands
 {
 	class AddNewFileCommand : ResourceItemCommand
 	{
+		public override bool EmptySelectionAllowed {
+			get {
+				return true;
+			}
+		}
+		
 		public override void ExecuteWithResourceItems(System.Collections.Generic.IEnumerable<ResourceItem> resourceItems)
 		{
-//			if (editor.ResourceList.WriteProtected) {
-//				return;
-//			}
-			
 			var editor = ResourceEditor;
 			OpenFileDialog fdiag = new OpenFileDialog();
 			fdiag.AddExtension = true;
@@ -67,9 +67,9 @@ namespace ResourceEditor.Commands
 						continue;
 					}
 					var newResourceItem = new ResourceItem(editor, resname, tmp);
+					newResourceItem.IsNew = true;
 					editor.ResourceItems.Add(newResourceItem);
-					editor.SelectedItems.Clear();
-					editor.SelectedItems.Add(newResourceItem);
+					editor.SelectItem(newResourceItem);
 				}
 			}
 		}

src/AddIns/DisplayBindings/ResourceEditor/Project/Src/Commands/AddStringEntryCommand.cs

@@ -24,12 +24,14 @@ namespace ResourceEditor.Commands
 {
 	class AddStringCommand : ResourceItemCommand
 	{
+		public override bool EmptySelectionAllowed {
+			get {
+				return true;
+			}
+		}
+		
 		public override void ExecuteWithResourceItems(System.Collections.Generic.IEnumerable<ResourceItem> resourceItems)
 		{
-//			if(editor.ResourceList.WriteProtected) {
-//				return;
-//			}
-//			
 			var editor = ResourceEditor;
 			int count = 1;
 			string newNameBase = "New string entry ";
@@ -48,8 +50,7 @@ namespace ResourceEditor.Commands
 			else
 				item.SortingCriteria = item.Name;
 			editor.ResourceItems.Add(item);
-			editor.SelectedItems.Clear();
-			editor.SelectedItems.Add(item);
+			editor.SelectItem(item);
 			editor.StartEditing();
 		}
 	}

src/AddIns/DisplayBindings/ResourceEditor/Project/Src/Commands/ResourceItemCommand.cs

@@ -39,6 +39,15 @@ namespace ResourceEditor.Commands
 			}
 		}
 		
+		/// <summary>
+		/// Defines whether this command is active when nothing is selected.
+		/// </summary>
+		public virtual bool EmptySelectionAllowed {
+			get {
+				return false;
+			}
+		}
+		
 		/// <summary>
 		/// Returns list of resource item types for which this command may be enabled or <c>null</c> to allow any type.
 		/// </summary>
@@ -54,7 +63,7 @@ namespace ResourceEditor.Commands
 				return false;
 			
 			var selectedResourceItems = GetSelectedItems();
-			if (!selectedResourceItems.Any())
+			if (!EmptySelectionAllowed && !selectedResourceItems.Any())
 				return false;
 			if (!SupportsMultiSelections && (selectedResourceItems.Count() > 1))
 				return false;
@@ -75,7 +84,7 @@ namespace ResourceEditor.Commands
 		public override void Execute(object parameter)
 		{
 			var selectedResourceItems = GetSelectedItems();
-			if (!selectedResourceItems.Any())
+			if (!EmptySelectionAllowed && !selectedResourceItems.Any())
 				return;
 			if (!SupportsMultiSelections && (selectedResourceItems.Count() > 1))
 				return;

src/AddIns/DisplayBindings/ResourceEditor/Project/Src/ViewModels/ResourceEditorViewModel.cs

@@ -192,6 +192,11 @@ namespace ResourceEditor.ViewModels
 					view.SetItemView(null);
 				}
 			}
+			
+			// When selection is changed, reset any new item marked with IsNew to pass the filter
+			foreach (var newItem in ResourceItems.Where(ri => ri.IsNew)) {
+				newItem.IsNew = false;
+			}
 		}
 		
 		void OnChangedDirtyState(bool isDirty)
@@ -206,14 +211,13 @@ namespace ResourceEditor.ViewModels
 			OnChangedDirtyState(true);
 		}
 		
+		public void SelectItem(ResourceItem item)
+		{
+			view.SelectItem(item);
+		}
+		
 		public void StartEditing()
 		{
-//			if (editedResourceItem != null) {
-//				editedResourceItem.IsEditing = false;
-//				editedResourceItem = null;
-//				originalNameOfEditedItem = null;
-//			}
-			
 			// Start editing currently selected item
 			var firstSelectedItem = SelectedItems.OfType<ResourceItem>().FirstOrDefault();
 			if (firstSelectedItem != null) {
@@ -228,26 +232,6 @@ namespace ResourceEditor.ViewModels
 			StartEditing();
 		}
 		
-		void View_EditingFinished(object sender, EventArgs e)
-		{
-//			if (editedResourceItem != null) {
-//				editedResourceItem.IsEditing = false;
-//				editedResourceItem = null;
-//				originalNameOfEditedItem = null;
-//				MakeDirty();
-//			}
-		}
-
-		void View_EditingCancelled(object sender, EventArgs e)
-		{
-//			if (editedResourceItem != null) {
-//				editedResourceItem.IsEditing = false;
-//				editedResourceItem.Name = originalNameOfEditedItem;
-//				editedResourceItem = null;
-//				originalNameOfEditedItem = null;
-//			}
-		}
-		
 		void StartUpdate()
 		{
 			// When loading many items at once, temporarily unbind view from model

src/AddIns/DisplayBindings/ResourceEditor/Project/Src/Views/IResourceEditorView.cs

@@ -22,6 +22,7 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Windows;
 using System.Windows.Input;
+using ResourceEditor.ViewModels;
 
 namespace ResourceEditor.Views
 {
@@ -39,6 +40,8 @@ namespace ResourceEditor.Views
 			get;
 		}
 		
+		void SelectItem(ResourceItem item);
+		
 		event EventHandler EditingStarted;
 		
 		void SetItemView(IResourceItemView view);
@@ -48,7 +51,7 @@ namespace ResourceEditor.Views
 			set;
 		}
 		
-		Predicate<ResourceEditor.ViewModels.ResourceItem> FilterPredicate {
+		Predicate<ResourceItem> FilterPredicate {
 			get;
 			set;
 		}

src/AddIns/DisplayBindings/ResourceEditor/Project/Src/Views/ResourceEditorView.xaml.cs

@@ -50,6 +50,13 @@ namespace ResourceEditor.Views
 			}
 		}
 		
+		public void SelectItem(ResourceItem item)
+		{
+			SelectedItems.Clear();
+			SelectedItems.Add(item);
+			resourceItemsListView.ScrollIntoView(item);
+		}
+		
 		public void SetItemView(IResourceItemView view)
 		{
 			resourceItemViewGrid.Children.Clear();