def _onDataChanged(self, viewer_ctrl):
if viewer_ctrl is None or not supported(viewer_ctrl.data_type, viewer_ctrl.viewer_type,
self.item_config.supported_data_types,
self.item_config.supported_viewer_types):
self._toolbar_view.setEnabled(False)
else:
self._toolbar_view.setEnabled(True)
def supports(self, viewer_ctrl: ViewerController) -> bool:
"""
Checks if the connection to the viewer controller is possible
:param viewer_ctrl: the viewer controller to check
:return: True if supported, False otherwise
"""
return viewer_ctrl is not None and supported(
viewer_ctrl.data_type, viewer_ctrl.viewer_type,
self.supported_data_types, self.supported_viewer_types)
def f(vc: ViewerController, a=action, c=ctrl):
dt = vc.data_type if vc else None
vt = vc.viewer_type if vc else None
enabled = supported(dt, vt, c.item_config.supported_data_types,
c.item_config.supported_viewer_types)
a.setEnabled(enabled)
def supports(self, viewer_ctrl: ViewerController) -> bool:
return viewer_ctrl is not None and supported(
viewer_ctrl.data_type, viewer_ctrl.viewer_type,
self.item_config.supported_data_types,
self.item_config.supported_viewer_types)