fix MVC link

MPIBR-WidgetToolbox · Aug 3, 2017 · b598ca3 · b598ca3
1 parent 3f469d5
commit b598ca3
Showing 1 changed file with 14 additions and 13 deletions.
diff --git a/WidgetFolderBrowser.m b/WidgetFolderBrowser.m
@@ -26,24 +26,25 @@
             parse(parserObj, varargin{:});
 
 
+            % create MVC
             obj.ui = WidgetFolderBrowserUI(parserObj.Results.Parent);
-            obj.model = WidgetFolderBrowserModel(parserObj.Results.Extension);
-
-            % link controler with view and model
-            if isa(obj.ui, 'WidgetFolderBrowserUI')
-
-                addlistener(obj.ui, 'event_fileLoad', @obj.fcnCallback_FileLoad);
-                addlistener(obj.ui, 'event_fileNext', @obj.fcnCallback_FileNext);
-                addlistener(obj.ui, 'event_filePrevious', @obj.fcnCallback_FilePrevious);
-                addlistener(obj.ui, 'event_folderLoad', @obj.fcnCallback_FolderLoad);
-
+            if ~isa(obj.ui, 'WidgetFolderBrowserUI')
+                error('WidgetFolderBrowser: initializing UI failed!');
             end
 
-            if isa(obj.model, 'WidgetFolderBrowserModel')
-                
-                addlistener(obj.model, 'file', 'PostSet', @obj.fcnCallback_FileUpdated);
+            obj.model = WidgetFolderBrowserModel(parserObj.Results.Extension);
+            if ~isa(obj.model, 'WidgetFolderBrowserModel')
+                error('WidgetFolderBrowserModel: initailizing Model failed!');
             end
 
+
+            % link controler with view and model
+            addlistener(obj.ui, 'event_fileLoad', @obj.fcnCallback_FileLoad);
+            addlistener(obj.ui, 'event_fileNext', @obj.fcnCallback_FileNext);
+            addlistener(obj.ui, 'event_filePrevious', @obj.fcnCallback_FilePrevious);
+            addlistener(obj.ui, 'event_folderLoad', @obj.fcnCallback_FolderLoad);
+            addlistener(obj.model, 'file', 'PostSet', @obj.fcnCallback_FileUpdated);
+
         end
     end