Fix Error if new collection's directory doesn't exist

- When the user entered the new collection's folder manually, the path wasn't checked and created if necessary.
- Now the path will be created on first use.

Fix When changing collections the displayed blog's collection combo box lost its display value
- When the settings dialog was closed after a collection has been added/deleted, the displayed blog's collection combo box lost its display value and a red border was shown.

src/TumblThree/TumblThree.Applications/Controllers/DetailsController.cs

@@ -7,7 +7,6 @@
 using System.Linq;
 using System.Reflection;
 using System.Waf.Applications.Services;
-using System.Windows;
 using TumblThree.Applications.Properties;
 using TumblThree.Applications.Services;
 using TumblThree.Applications.ViewModels;
@@ -153,6 +152,8 @@ public bool ChangeCollection(IBlog blog, Collection oldItem, Collection newItem)
             var newFilenameIndex = Path.Combine(newRootFolder, blog.Name) + "." + blog.OriginalBlogType;
             var newFilenameChild = Path.Combine(newRootFolder, Path.GetFileName(oldFilenameChild));
 
+            Directory.CreateDirectory(newRootFolder);
+
             if (File.Exists(newFilenameIndex) || File.Exists(newFilenameChild))
             {
                 _messageService.ShowWarning(Resources.CannotChangeCollectionDestFileExists);

src/TumblThree/TumblThree.Applications/Services/CrawlerService.cs

@@ -283,9 +283,9 @@ public void UpdateCollectionsList(bool isInit)
                 _collections.Add(item);
             }
 
-            var ecv = (IEditableCollectionView)Collections;
-            if (ecv.IsAddingNew) ecv.CancelNew();
-            Collections.Refresh();
+            //var ecv = (IEditableCollectionView)Collections;
+            //if (ecv.IsAddingNew) ecv.CancelNew();
+            //Collections.Refresh();
             Collection current = _collections.FirstOrDefault(x => x.Id == _shellService.Settings.ActiveCollectionId) ?? _collections.FirstOrDefault(x => x.Id == 0);
             Collections.MoveCurrentTo(current);
         }

src/TumblThree/TumblThree.Applications/ViewModels/DetailsViewModels/DetailsTumblrBlogViewModel.cs

@@ -35,6 +35,12 @@ public DetailsTumblrBlogViewModel([Import("TumblrBlogView", typeof(IDetailsView)
             _copyUrlCommand = new DelegateCommand(CopyUrlToClipboard);
             _browseFileDownloadLocationCommand = new DelegateCommand(BrowseFileDownloadLocation);
             Collections = CollectionViewSource.GetDefaultView(crawlerService.Collections);
+            crawlerService.Collections.CollectionChanged += CrawlerService_Collections_CollectionChanged;
+        }
+
+        private void CrawlerService_Collections_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+        {
+            RaisePropertyChanged(nameof(CollectionId));
         }
 
         public ICommand CopyUrlCommand => _copyUrlCommand;

src/TumblThree/TumblThree.Applications/ViewModels/DetailsViewModels/DetailsTumblrHiddenBlogViewModel.cs

@@ -35,6 +35,12 @@ public DetailsTumblrHiddenBlogViewModel([Import("TumblrHiddenBlogView", typeof(I
             _copyUrlCommand = new DelegateCommand(CopyUrlToClipboard);
             _browseFileDownloadLocationCommand = new DelegateCommand(BrowseFileDownloadLocation);
             Collections = CollectionViewSource.GetDefaultView(crawlerService.Collections);
+            crawlerService.Collections.CollectionChanged += CrawlerService_Collections_CollectionChanged;
+        }
+
+        private void CrawlerService_Collections_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+        {
+            RaisePropertyChanged(nameof(CollectionId));
         }
 
         public ICommand CopyUrlCommand => _copyUrlCommand;

src/TumblThree/TumblThree.Applications/ViewModels/DetailsViewModels/DetailsTumblrLikedByViewModel.cs

@@ -35,6 +35,12 @@ public DetailsTumblrLikedByViewModel([Import("TumblrLikedByView", typeof(IDetail
             _copyUrlCommand = new DelegateCommand(CopyUrlToClipboard);
             _browseFileDownloadLocationCommand = new DelegateCommand(BrowseFileDownloadLocation);
             Collections = CollectionViewSource.GetDefaultView(crawlerService.Collections);
+            crawlerService.Collections.CollectionChanged += CrawlerService_Collections_CollectionChanged;
+        }
+
+        private void CrawlerService_Collections_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+        {
+            RaisePropertyChanged(nameof(CollectionId));
         }
 
         public ICommand CopyUrlCommand => _copyUrlCommand;

src/TumblThree/TumblThree.Applications/ViewModels/DetailsViewModels/DetailsTumblrSearchViewModel.cs

@@ -35,6 +35,12 @@ public DetailsTumblrSearchViewModel([Import("TumblrSearchView", typeof(IDetailsV
             _copyUrlCommand = new DelegateCommand(CopyUrlToClipboard);
             _browseFileDownloadLocationCommand = new DelegateCommand(BrowseFileDownloadLocation);
             Collections = CollectionViewSource.GetDefaultView(crawlerService.Collections);
+            crawlerService.Collections.CollectionChanged += CrawlerService_Collections_CollectionChanged;
+        }
+
+        private void CrawlerService_Collections_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+        {
+            RaisePropertyChanged(nameof(CollectionId));
         }
 
         public ICommand CopyUrlCommand => _copyUrlCommand;

src/TumblThree/TumblThree.Applications/ViewModels/DetailsViewModels/DetailsTumblrTagSearchViewModel.cs

@@ -35,6 +35,12 @@ public DetailsTumblrTagSearchViewModel([Import("TumblrTagSearchView", typeof(IDe
             _copyUrlCommand = new DelegateCommand(CopyUrlToClipboard);
             _browseFileDownloadLocationCommand = new DelegateCommand(BrowseFileDownloadLocation);
             Collections = CollectionViewSource.GetDefaultView(crawlerService.Collections);
+            crawlerService.Collections.CollectionChanged += CrawlerService_Collections_CollectionChanged;
+        }
+
+        private void CrawlerService_Collections_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+        {
+            RaisePropertyChanged(nameof(CollectionId));
         }
 
         public ICommand CopyUrlCommand => _copyUrlCommand;

src/TumblThree/TumblThree.Applications/ViewModels/DetailsViewModels/DetailsTwitterBlogViewModel.cs

@@ -35,6 +35,12 @@ public DetailsTwitterBlogViewModel([Import("TwitterBlogView", typeof(IDetailsVie
             _copyUrlCommand = new DelegateCommand(CopyUrlToClipboard);
             _browseFileDownloadLocationCommand = new DelegateCommand(BrowseFileDownloadLocation);
             Collections = CollectionViewSource.GetDefaultView(crawlerService.Collections);
+            crawlerService.Collections.CollectionChanged += CrawlerService_Collections_CollectionChanged;
+        }
+
+        private void CrawlerService_Collections_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+        {
+            RaisePropertyChanged(nameof(CollectionId));
         }
 
         public ICommand CopyUrlCommand => _copyUrlCommand;