Save method on fsl.data.image.Image class, to be used by SaveImageAction.

fsl/data/image.py

@@ -423,6 +423,12 @@ class Image(props.HasProperties):
 
         self.data  = data
         self.saved = False
+
+
+    def save(self):
+        """
+        """
+        pass
         
 
     def __hash__(self):

fsl/fslview/actions/copyimage.py

@@ -45,4 +45,6 @@ class CopyImageAction(actions.Action):
         name  = '{}_copy'.format(image.name)
         copy  = fslimage.Image(data, xform, name)
 
+        # TODO copy display properties
+        
         self._imageList.insert(imageIdx + 1, copy)

fsl/fslview/actions/saveimage.py

@@ -39,9 +39,16 @@ class SaveImageAction(actions.Action):
  
 
     def _imageSaveStateChanged(self, *a):
-        image        = self._displayCtx.getSelectedImage()
-        self.enabled = image.saved
+        image = self._displayCtx.getSelectedImage()
+        
+        if image is None: self.enabled = False
+        else:             self.enabled = not image.saved
 
         
     def doAction(self):
-        pass
+        
+        image = self._displayCtx.getSelectedImage()
+        if image is None:
+            return
+        
+        image.save()