add dependent file property

.gitignore

@@ -0,0 +1,19 @@
+## ---
+## remove autosaves generate by the Matlab editor
+## ---
+
+# windows default autosave extension
+*.asv
+
+# OSX / *nix default autosave extension
+*.m~
+
+# Compiled MEX binaries (all platforms)
+*.mex*
+
+# OSX index file
+.DS_Store
+
+# Text files
+*.txt
+

WidgetFolderBrowser.m

@@ -9,7 +9,7 @@
 % Max-Planck Institute For Brain Research
 %
 
-    properties (Dependent)
+    properties (SetObservable = true)
 
         file
 
@@ -22,11 +22,6 @@
 
     end
 
-    events
-
-        event_file
-
-    end
 
     methods
 
@@ -50,16 +45,12 @@
                 error('WidgetFolderBrowserModel: initailizing model failed!');
             end
 
-
             % link ui events
             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);
 
-            % link model events
-            addlistener(obj.model, 'file', 'PostSet', @obj.fcnCallback_fileUpdated);
-
         end
     end
 
@@ -69,43 +60,40 @@
         function obj = fcnCallback_fileLoad(obj, ~, ~)
 
             obj.model.fileLoad();
+            obj.requestNewFile();
 
         end
 
         %% @ ui event_fileNext
         function obj = fcnCallback_fileNext(obj, ~, ~)
 
             obj.model.fileUpdate(1);
+            obj.requestNewFile();
 
         end
 
         %% @ ui event_filePrevious
         function obj = fcnCallback_filePrevious(obj, ~, ~)
 
             obj.model.fileUpdate(-1);
+            obj.requestNewFile();
 
         end
 
         %% @ ui event_folderLoad
         function obj = fcnCallback_folderLoad(obj, ~, ~)
 
             obj.model.folderLoad();
+            obj.requestNewFile();
 
         end
 
-        %% @ model event_fileUpdate
-        function obj = fcnCallback_fileUpdated(obj, ~, ~)
+        %% @ request newfile
+        function obj = requestNewFile(obj)
 
             obj.ui.updateFileName(obj.model.fileTag);
             obj.ui.updateFileCounter(obj.model.index, obj.model.listSize);
-            notify(obj, 'event_file');
-
-        end
-
-        %% @ request file
-        function varfile = get.file(obj)
-
-            varfile = obj.model.file;
+            obj.file = obj.model.file();
 
         end
 

WidgetFolderBrowserModel.m

@@ -17,16 +17,11 @@
 
     end
 
-    properties (SetObservable)
-
-        file
-
-    end
-
     properties (Dependent)
 
         listSize
         fileTag
+        file
 
     end
 
@@ -46,7 +41,6 @@
                 obj.path = pathName(1:end-1); % uigetfile retunrns pathName with filesep
                 obj.list = {[pathName, fileName]};
                 obj.index = 1;
-                obj.file = obj.list{obj.index};
 
             end
 
@@ -79,7 +73,6 @@
                 obj.path = pathName;
                 obj.list = cellfun(@(x) {[pathName, filesep, x]},{folderInfo.name}');
                 obj.index = 1;
-                obj.file = obj.list{obj.index};
 
             end
 
@@ -110,9 +103,6 @@
 
             end
 
-            % update filename
-            obj.file = obj.list{obj.index};
-
         end
 
         function value = get.listSize(obj)
@@ -126,5 +116,12 @@
             [~, vartag] = fileparts(obj.file);
 
         end
+
+        function varchar = get.file(obj)
+
+            varchar = obj.list{obj.index};
+
+        end
+
     end
 end