'Update actions of the Projects menu'

def update_project_actions(self):

    if self.recent_projects:
        self.clear_recent_projects_action.setEnabled(True)
    else:
        self.clear_recent_projects_action.setEnabled(False)
    active = bool(self.get_active_project_path())
    self.close_project_action.setEnabled(active)
    self.delete_project_action.setEnabled(active)
    self.edit_project_preferences_action.setEnabled(active)
