Changeset 2205

Timestamp:

02/07/08 02:20:47 (3 months ago)

Author:

arj..@yirdis.nl

Message:

ElementItem now unlinks itself if the UML model element is deleted.

Files:

• gaphor/trunk/gaphor/diagram/elementitem.py (modified) (2 diffs)

gaphor/trunk/gaphor/diagram/elementitem.py

@@ -5 +5 @@
-import gobject
-import gaphas
+from zope import component
+from gaphor.application import Application
+from gaphor.UML.event import ElementDeleteEvent
-from diagramitem import DiagramItem
-from gaphor.diagram.style import get_text_point
@@ -49 +52 @@
-
-
+    def register_handlers(self):
+        super(ElementItem, self).register_handlers()
+        Application.register_handler(self._on_element_delete)
+
+
+    def unregister_handlers(self):
+        super(ElementItem, self).unregister_handlers()
+        Application.unregister_handler(self._on_element_delete)
+
+
+    @component.adapter(ElementDeleteEvent)
+    def _on_element_delete(self, event):
+        """
+        Delete the item if the subject is deleted.
+        """
+        if event and event.element is self.subject:
+            self.unlink()
+
+
-    def pre_update(self, context):
-        #super(ElementItem, self).pre_update(context)