window

class ChooseProjectController:
    def __init__(self):
        self._event_system = QueuedEventSystem()
        self._projects_model = ProjectsModel(self)
        self._registry = AYONSettingsRegistry("traypublisher")

    def get_project_items(self, sender=None):
        return self._projects_model.get_project_items(sender)

    def emit_event(self, topic, data=None, source=None):
        """Use implemented event system to trigger event."""

        if data is None:
            data = {}
        self._event_system.emit(topic, data, source)

    def register_event_callback(self, topic, callback):
        self._event_system.add_callback(topic, callback)

    def get_last_user_project_name(self) -> Optional[str]:
        try:
            return self._registry.get_item("project_name")
        except ValueError:
            pass

    def set_last_user_project_name(self, project_name: str):
        self._registry.set_item("project_name", project_name)