archipack_manipulator.py 文件源码

def setup(self, context, o, datablock, snap_callback=None):
        """
            Factory return a manipulator object or None
            o:         object
            datablock: datablock to modify
            snap_callback: function call y
        """

        self.get_prefs(context)

        global manipulators_class_lookup

        if self.type_key not in manipulators_class_lookup.keys() or \
                not manipulators_class_lookup[self.type_key].poll(context):
            # RuntimeError is overkill but may be enabled for debug purposes
            # Silentely ignore allow skipping manipulators if / when deps as not meet
            # manip stack will simply be filled with None objects
            # raise RuntimeError("Manipulator of type {} not found".format(self.type_key))
            return None

        m = manipulators_class_lookup[self.type_key](context, o, datablock, self, handle_size, snap_callback)
        # points storage model as described upside
        self.pts_mode = m.pts_mode
        return m


# ------------------------------------------------------------------
# Define Manipulable to make a PropertyGroup manipulable
# ------------------------------------------------------------------