/**
* @param menuManager
* @param element
* @param evalContext
*/
public static void updateVisibility(
MenuManager menuManager, MMenuElement element, ExpressionContext evalContext) {
if (!(element.getVisibleWhen() instanceof MCoreExpression)) {
return;
}
boolean val =
ContributionsAnalyzer.isVisible((MCoreExpression) element.getVisibleWhen(), evalContext);
if (val != element.isVisible()) {
element.setVisible(val);
menuManager.markDirty();
}
}
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();
}
}
}
}