public UnlinkElementsAction() {
setImageDescriptor(
AbstractUIPlugin.imageDescriptorFromPlugin(FLATTT.ID_PLUGIN, "icons/link_break.png"));
setText(FLATTT.getResourceString("actions.UnlinkElementsAction.ToolTip"));
// We want to be notified when the active concern model changes
ConcernModelFactory.singleton().addListener(this);
concernModelProvider = ConcernModelFactory.singleton();
// We want to be notified when any concerns or links are
// changed in the active concern model
concernModelProvider.getModel().addListener(this);
}
/*
* Refresh menu when concerns and links change
*/
@Override
public void modelChanged(ConcernEvent events) {
if (events.isChangedDomainName()) return;
if (events.isChangedActiveConcernModel()) {
concernModelProvider.getModel().removeListener(this);
concernModelProvider = ConcernModelFactory.singleton();
// We want to be notified when any concerns or links are
// changed in the active concern model
concernModelProvider.getModel().addListener(this);
}
boolean hasLinkOrUnlink = false;
for (ConcernEvent event : events) {
if (event.isLinked() || event.isUnlinked()) {
hasLinkOrUnlink = true;
break;
}
}
if (hasLinkOrUnlink) Display.getDefault().asyncExec(new UpdateDropDownMenusRunner(events));
}