From eca06222a24d6218c7fd58d3ed1fec9fe5b02299 Mon Sep 17 00:00:00 2001
From: Georgi Tushev <georgi.handzhiyski@gmail.com>
Date: Thu, 9 Nov 2017 11:14:31 +0100
Subject: [PATCH] add dependent file property

---
 .gitignore                 | 19 +++++++++++++++++++
 WidgetFolderBrowser.m      | 28 ++++++++--------------------
 WidgetFolderBrowserModel.m | 19 ++++++++-----------
 3 files changed, 35 insertions(+), 31 deletions(-)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9600399
--- /dev/null
+++ b/.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
+
diff --git a/WidgetFolderBrowser.m b/WidgetFolderBrowser.m
index 2c0eb51..0e34431 100644
--- a/WidgetFolderBrowser.m
+++ b/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
     
@@ -69,6 +60,7 @@
         function obj = fcnCallback_fileLoad(obj, ~, ~)
             
             obj.model.fileLoad();
+            obj.requestNewFile();
             
         end
         
@@ -76,6 +68,7 @@
         function obj = fcnCallback_fileNext(obj, ~, ~)
             
             obj.model.fileUpdate(1);
+            obj.requestNewFile();
             
         end
         
@@ -83,6 +76,7 @@
         function obj = fcnCallback_filePrevious(obj, ~, ~)
             
             obj.model.fileUpdate(-1);
+            obj.requestNewFile();
             
         end
         
@@ -90,22 +84,16 @@
         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
         
diff --git a/WidgetFolderBrowserModel.m b/WidgetFolderBrowserModel.m
index f4e6e6d..10385f1 100644
--- a/WidgetFolderBrowserModel.m
+++ b/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
\ No newline at end of file