updated the model...noch nicht richtig fertig, weil es nur die
concurrentModification Probleme bei listen gibt. - unprotected read/write
transactions can be created in an otherwise read-only context (child of a
read-only transaction) - unprotected changes are not recorded for
undo/redo - unprotected changes are not validated (hence, never roll
back) - unprotected changes do not invoke triggers (pre-commit changes)
for model integrity
More info:
http://dev.eclipse.org/newslists/news.eclipse.technology.gmf/msg03171
.html
http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.gmf/plugins/org
.eclipse
.gmf.runtime.diagram.ui/src/org/eclipse/gmf/runtime/diagram/ui/view
/factories/BasicNodeViewFactory.java?