ooodev.adapter.form.change_listener module

class ooodev.adapter.form.change_listener.ChangeListener(trigger_args=None, subscriber=None)[source]

Bases: AdapterBase, XChangeListener

Is the listener interface for receiving notifications about data changes.

The concrete semantics of a change (i.e. the conditions for when a change event is fired) must be specified in the description of the service broadcasting the change.

See also

API XChangeListener

Parameters:

  • args (Any) –

  • kwargs (Any) –

Return type:

Any

__init__(trigger_args=None, subscriber=None)[source]

Constructor

Parameters:

  • trigger_args (GenericArgs, Optional) – Args that are passed to events when they are triggered.

  • subscriber (XChangeBroadcaster, optional) – An UNO object that implements the com.sun.star.form.XChangeBroadcaster interface. If passed in then this listener instance is automatically added to it.

Return type:

None

changed(event)[source]

Event is invoked when the data of a component has been changed.

Parameters:

event (EventObject) – Event data for the event.

Return type:

None

disposing(event)[source]

Gets called when the broadcaster is about to be disposed.

All listeners and all other objects, which reference the broadcaster should release the reference to the source. No method should be invoked anymore on this object ( including XComponent.removeEventListener() ).

This method is called for every listener registration of derived listener interfaced, not only for registrations at XComponent.

Parameters:

event (EventObject) – Event data for the event.

Return type:

None