from __future__ import annotations
from typing import TYPE_CHECKING
try:
# python 3.12+
from typing import override # noqa # type: ignore
except ImportError:
from typing_extensions import override # noqa # type: ignore
from com.sun.star.beans import XPropertyChangeListener
from ooodev.events.args.generic_args import GenericArgs
from ooodev.adapter.adapter_base import AdapterBase
if TYPE_CHECKING:
from com.sun.star.lang import EventObject
from com.sun.star.beans import PropertyChangeEvent
[docs]class PropertyChangeListener(AdapterBase, XPropertyChangeListener):
"""
Is used to receive PropertyChangeEvents whenever a bound property is changed.
See Also:
`API XPropertyChangeListener <https://api.libreoffice.org/docs/idl/ref/interfacecom_1_1sun_1_1star_1_1beans_1_1XPropertyChangeListener.html>`_
"""
[docs] def __init__(self, trigger_args: GenericArgs | None = None) -> None:
"""
Constructor:
Arguments:
trigger_args (GenericArgs, optional): Args that are passed to events when they are triggered.
"""
super().__init__(trigger_args=trigger_args)
# region XPropertyChangeListener
[docs] @override
def propertyChange(self, evt: PropertyChangeEvent) -> None:
"""
Gets called when bound property is changed.
"""
self._trigger_event("propertyChange", evt)
[docs] @override
def disposing(self, Source: EventObject) -> None:
"""
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``.
"""
# from com.sun.star.lang.XEventListener
self._trigger_event("disposing", Source)
# endregion XPropertyChangeListener