Remove unused view cancel

tryton/gui/window/view_form/view/calendar_.py

@@ -47,9 +47,6 @@ class ViewCalendar(ParserView):
             # No need to load any record as nothing will be shown
             return [('id', '=', -1)]
 
-    def cancel(self):
-        pass
-
     def set_value(self):
         pass
 

tryton/gui/window/view_form/view/form.py

@@ -63,11 +63,6 @@ class ViewForm(ParserView):
                 widget.destroy()
         self.widget.destroy()
 
-    def cancel(self):
-        for widgets in self.widgets.itervalues():
-            for widget in widgets:
-                widget.cancel()
-
     def set_value(self, focused_widget=False):
         record = self.screen.current_record
         if record:

tryton/gui/window/view_form/view/form_gtk/interface.py

@@ -163,9 +163,6 @@ class WidgetInterface(object):
     def set_value(self, record, field):
         pass
 
-    def cancel(self):
-        pass
-
 
 class TranslateDialog(NoModal):
 

tryton/gui/window/view_form/view/graph.py

@@ -22,9 +22,6 @@ class ViewGraph(ParserView):
             self.widgets[widget].destroy()
             del self.widgets[widget]
 
-    def cancel(self):
-        pass
-
     def set_value(self):
         pass
 

tryton/gui/window/view_form/view/list.py

@@ -61,9 +61,6 @@ class AdaptModelGroup(gtk.GenericTreeModel):
                 iter_ = self.get_iter(path)
                 self.row_has_child_toggled(path, iter_)
 
-    def cancel(self):
-        pass
-
     def removed(self, group, record):
         if (group is self.group
                 and (record.group is self.group
@@ -692,9 +689,6 @@ class ViewList(ParserView):
                 self.store.removed(group, signal[1])
         self.display()
 
-    def cancel(self):
-        pass
-
     def __str__(self):
         return 'ViewList (%d)' % id(self)