/**
* Creates and returns an SWT menu bar control for this menu, for use in the given <code>
* Decorations</code>, and installs all registered contributions. Does not create a new control if
* one already exists.
*
* @param parent the parent decorations
* @return the menu control
* @since 2.1
*/
public Menu createMenuBar(Decorations parent) {
if (!menuExist()) {
menu = new Menu(parent, SWT.BAR);
menu.setData(MANAGER_KEY, this);
update(false);
}
return menu;
}
/** Notifies all listeners that this menu is about to appear. */
private void handleAboutToShow() {
if (removeAllWhenShown) {
removeAll();
}
MenuManagerEventHelper.showEventPreHelper(this);
fireAboutToShow(this);
MenuManagerEventHelper.showEventPostHelper(this);
update(false, false);
}
protected void update(final boolean force, final boolean recursive) {
super.update(force, recursive);
if (menuParent != null && (force || isDirty())) {
disposeToolItems();
IContributionItem[] items = getItems();
if (items.length > 0 && menuParent != null) {
for (int i = 0; i < items.length; i++) {
IContributionItem item = items[i];
if (item.isVisible()) {
makeEntry(item);
}
}
}
menuParent.layout(true, true);
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer#processContents
* (org.eclipse.e4.ui.model.application.ui.MElementContainer)
*/
@Override
public void processContents(MElementContainer<MUIElement> container) {
// I can either simply stop processing, or we can walk the model
// ourselves like the "old" days
// EMF gives us null lists if empty
if (container == null) return;
// this is in direct violation of good programming
MenuManager parentManager = getManager((MMenu) ((Object) container));
if (parentManager == null) {
return;
}
// Process any contents of the newly created ME
List<MUIElement> parts = container.getChildren();
if (parts != null) {
MUIElement[] plist = parts.toArray(new MUIElement[parts.size()]);
for (int i = 0; i < plist.length; i++) {
MUIElement childME = plist[i];
modelProcessSwitch(parentManager, (MMenuElement) childME);
}
}
parentManager.update(false);
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.IMenuManager#updateAll(boolean)
*/
public void updateAll(boolean force) {
update(force, true);
}
/**
* The <code>MenuManager</code> implementation of this <code>IContributionManager</code> updates
* this menu, but not any of its submenus.
*
* @see #updateAll
*/
public void update(boolean force) {
update(force, false);
}
/**
* @param part
* @param point
*/
protected void showPaneMenu(IPresentablePart part, Point point) {
systemMenuManager.update(false);
Menu aMenu = systemMenuManager.createContextMenu(tabFolder.getParent());
aMenu.setLocation(point.x, point.y);
aMenu.setVisible(true);
}
