def _cleanup_callbacks(self):
"""
Remove all db callbacks.
This is done automatically on destruction of the object, but is
normally needed earlier, calling this method does so.
Use _change_db method if you need to remove the callbacks because the
database has changed
"""
database = self.callman.database
if database.is_open():
#a closed database has disconnected all signals
self.callman.disconnect_all()
#set a new callback manager
self.callman = CallbackManager(database)
def _change_db(self, database):
"""
Change the database the GUI element works on to database.
This removes all callbacks and all registered handles.
:param database: the new database to connect to
"""
dbold = self.callman.database
if dbold.is_open():
#a closed database has disconnected all signals
self.callman.disconnect_all()
#set a new callback manager on new database
self.callman = CallbackManager(database)
self._connect_db_signals()
def __setup_callbacks(self):
self.db.connect("family-add", self._family_add)
self.db.connect("family-update", self._family_update)
self.db.connect("family-delete", self._family_delete)
self.db.connect("person-add", self._person_add)
self.db.connect("person-update", self._person_update)
self.db.connect("person-delete", self._person_delete)
self.db.connect("note-add", self._note_add)
self.db.connect("note-update", self._note_update)
self.db.connect("note-delete", self._note_delete)
# we will also test the CallbackManager by watching a single person
self.cm_sigs = []
self.callman = CallbackManager(self.db)
self.callman.register_callbacks({
'person-delete': self._cm_pers_delete,
'person-update': self._cm_pers_update,
'person-add': self._cm_pers_add
})
self.callman.connect_all(keys=['person'])
self.callman.register_handles(
{'person': ['0000000300000003', '0000000700000007']})
def __init__(self, database):
self.callman = CallbackManager(database)
self._connect_db_signals()