public Object createWidget(final MUIElement element, Object parent) {
if (!(element instanceof MMenu)) return null;
final MMenu menuModel = (MMenu) element;
Menu newMenu = null;
if (parent instanceof Decorations) {
MUIElement container = (MUIElement) ((EObject) element).eContainer();
if (container instanceof MWindow) {
newMenu = new Menu((Decorations) parent, SWT.BAR);
newMenu.addDisposeListener(
new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
cleanUp(menuModel);
}
});
} else {
newMenu = new Menu((Decorations) parent, SWT.POP_UP);
}
} else if (parent instanceof Menu) {
int addIndex = calcVisibleIndex(menuModel);
MenuItem newItem = new MenuItem((Menu) parent, SWT.CASCADE, addIndex);
setItemText(menuModel, newItem);
newItem.setImage(getImage(menuModel));
newItem.setEnabled(menuModel.isEnabled());
return newItem;
} else if (parent instanceof Control) {
newMenu = new Menu((Control) parent);
}
return newMenu;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer#createWidget
* (org.eclipse.e4.ui.model.application.ui.MUIElement, java.lang.Object)
*/
@Override
public Object createWidget(MUIElement element, Object parent) {
if (!(element instanceof MMenu)) return null;
final MMenu menuModel = (MMenu) element;
Menu newMenu = null;
MenuManager menuManager = null;
boolean menuBar = false;
if (parent instanceof Decorations) {
MUIElement container = (MUIElement) ((EObject) element).eContainer();
if (container instanceof MWindow) {
menuManager = getManager(menuModel);
if (menuManager == null) {
menuManager = new MenuManager(NO_LABEL, menuModel.getElementId());
linkModelToManager(menuModel, menuManager);
}
newMenu = menuManager.createMenuBar((Decorations) parent);
((Decorations) parent).setMenuBar(newMenu);
newMenu.setData(menuManager);
menuBar = true;
} else {
menuManager = getManager(menuModel);
if (menuManager == null) {
menuManager = new MenuManager(NO_LABEL, menuModel.getElementId());
linkModelToManager(menuModel, menuManager);
}
newMenu = menuManager.createContextMenu((Control) parent);
// we can't be sure this is the correct parent.
// ((Control) parent).setMenu(newMenu);
newMenu.setData(menuManager);
}
} else if (parent instanceof Menu) {
// Object data = ((Menu) parent).getData();
logger.debug(
new Exception(),
"Trying to render a sub menu " //$NON-NLS-1$
+ menuModel
+ "\n\t"
+ parent); //$NON-NLS-1$
return null;
} else if (parent instanceof Control) {
menuManager = getManager(menuModel);
if (menuManager == null) {
menuManager = new MenuManager(NO_LABEL, menuModel.getElementId());
linkModelToManager(menuModel, menuManager);
}
newMenu = menuManager.createContextMenu((Control) parent);
// we can't be sure this is the correct parent.
// ((Control) parent).setMenu(newMenu);
newMenu.setData(menuManager);
}
if (!menuManager.getRemoveAllWhenShown()) {
processContributions(menuModel, menuBar, menuModel instanceof MPopupMenu);
}
if (newMenu != null) {
newMenu.addDisposeListener(
new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
cleanUp(menuModel);
}
});
}
return newMenu;
}