public void handleEvent(Event event) {
Object element = event.getProperty(UIEvents.EventTags.ELEMENT);
String attName = (String) event.getProperty(UIEvents.EventTags.ATTNAME);
if (element instanceof MMenuItem) {
MMenuItem itemModel = (MMenuItem) element;
if (UIEvents.UIElement.TOBERENDERED.equals(attName)) {
Object obj = itemModel.getParent();
if (!(obj instanceof MMenu)) {
return;
}
MenuManager parent = getManager((MMenu) obj);
if (itemModel.isToBeRendered()) {
if (parent != null) {
modelProcessSwitch(parent, itemModel);
}
} else {
IContributionItem ici = getContribution(itemModel);
clearModelToContribution(itemModel, ici);
if (ici != null && parent != null) {
parent.remove(ici);
}
if (ici != null) {
ici.dispose();
}
}
}
}
if (UIEvents.UIElement.VISIBLE.equals(attName)) {
if (element instanceof MMenu) {
MMenu menuModel = (MMenu) element;
MenuManager manager = getManager(menuModel);
if (manager == null) {
return;
}
manager.setVisible(menuModel.isVisible());
if (manager.getParent() != null) {
manager.getParent().markDirty();
}
} else if (element instanceof MMenuElement) {
MMenuElement itemModel = (MMenuElement) element;
Object obj = getContribution(itemModel);
if (!(obj instanceof ContributionItem)) {
return;
}
ContributionItem item = (ContributionItem) obj;
item.setVisible(itemModel.isVisible());
if (item.getParent() != null) {
item.getParent().markDirty();
}
}
}
}
@Override
public void dispose() {
if (this.widget != null) {
this.widget.dispose();
this.widget = null;
}
disposeOldImages();
super.dispose();
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.action.ContributionItem#setParent(org.eclipse.jface
* .action.IContributionManager)
*/
public void setParent(IContributionManager parent) {
if (getParent() instanceof IMenuManager) {
IMenuManager menuMgr = (IMenuManager) getParent();
menuMgr.removeMenuListener(menuListener);
}
if (parent instanceof IMenuManager) {
IMenuManager menuMgr = (IMenuManager) parent;
menuMgr.addMenuListener(menuListener);
}
super.setParent(parent);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.ContributionItem#dispose()
*/
public void dispose() {
if (elementRef != null) {
commandService.unregisterElement(elementRef);
elementRef = null;
}
if (commandListener != null) {
command.getCommand().removeCommandListener(commandListener);
commandListener = null;
}
command = null;
commandService = null;
disposeOldImages();
super.dispose();
}