Call on_change methods after setting default dtstart on calendar view

issue7496
review45651002

CHANGELOG

@@ -1,3 +1,5 @@
+* Call on_change methods after setting default dtstart on calendar view
+
 Version 4.8.0 - 2018-04-23
 * Bug fixes (see mercurial logs for details)
 * Manage active field on search widget

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

@@ -22,6 +22,8 @@ class Calendar_(goocalendar.Calendar):
         dtstart = self.attrs['dtstart']
         record[dtstart].set(record, datetime.datetime.combine(selected_date,
             datetime.time(0)))
+        record.on_change([dtstart])
+        record.on_change_with([dtstart])
 
     def get_displayed_period(self):
         cal = calendar.Calendar(self.firstweekday)