#encoding: utf-8

import dia

def test(data, flags):
	classes = []
	layer = dia.active_display().diagram.data.layers[0]
	for obj in layer.objects:
		if obj.type.name == "UML - Class":
			print "\nobject", obj
			for attr in obj.properties['attributes'].value:
				# attr is a tuple, len(attr) == 9
				# left_connection: attr[7] -> ConnectionPoint
				# right_connection: attr[8] -> ConnectionPoint
				if attr[7].connected:
					print "\t %s left: connected to %s" % (attr[0],
							attr[7].connected)
				if attr[8].connected:
					print "\t %s right: connected to %s" % (attr[0],
							attr[8].connected)
			classes.append(obj)

dia.register_callback("Test", "<Display>/Dialogs/Test", test)