Improved code

Author: golbog

Orange/widgets/data/owsave.py

@@ -126,23 +126,19 @@ def adjust_label(self):
 
     @Inputs.data
     def dataset(self, data):
+        self.data = data
         self.save.setDisabled(data is None)
         self.save_as.setDisabled(data is None)
         if data is None:
             return
 
-        if data.is_sparse():
-            items = [item for item, _, supports_sparse in FILE_TYPES
-                     if supports_sparse]
-        else:
-            items = [item for item, _, _ in FILE_TYPES]
-        if not items == [self.controls.filetype.itemText(i)
-                         for i in range(self.controls.filetype.count())]:
+        items = [item for item, _, supports_sparse in FILE_TYPES
+                                                   if supports_sparse or not data.is_sparse()]
+        if items != [self.controls.filetype.itemText(i) for i in range(self.controls.filetype.count())]:
             self.controls.filetype.clear()
             self.controls.filetype.insertItems(0, items)
             self.update_extension()
 
-        self.data = data
         self.save_file()
 
     def save_file_as(self):