Removed logic duplication across toolkit code in "Open Selected" action.

core/app.py

@@ -103,6 +103,10 @@ class DupeGuru(RegistrableApplication, Broadcaster):
         path = Path(str_path)
         return fs.get_file(path, self.directories.fileclasses)    
     
+    @staticmethod
+    def _open_path(path):
+        raise NotImplementedError()
+    
     @staticmethod
     def _recycle_dupe(dupe):
         raise NotImplementedError()
@@ -224,6 +228,10 @@ class DupeGuru(RegistrableApplication, Broadcaster):
                 self.results.make_ref(dupe)
                 changed_groups.add(g)
     
+    def open_selected(self):
+        if self.selected_dupes:
+            self._open_path(self.selected_dupes[0].path)
+    
     def remove_duplicates(self, duplicates):
         self.results.remove_duplicates(duplicates)