public static boolean processAddition(
final MTrimBar trimBar,
MTrimContribution contribution,
List<MTrimElement> contributions,
HashSet<String> existingToolbarIds) {
int idx = getIndex(trimBar, contribution.getPositionInParent());
if (idx == -1) {
return false;
}
for (MTrimElement item : contribution.getChildren()) {
if (item instanceof MToolBar && existingToolbarIds.contains(item.getElementId())) {
// skip this, it's already there
continue;
}
MTrimElement copy = (MTrimElement) EcoreUtil.copy((EObject) item);
if (DEBUG) {
trace("addTrimContribution " + copy, trimBar.getWidget(), trimBar); // $NON-NLS-1$
}
trimBar.getChildren().add(idx++, copy);
contributions.add(copy);
if (copy instanceof MToolBar && copy.getElementId() != null) {
existingToolbarIds.add(copy.getElementId());
}
}
return true;
}
private static boolean containsMatching(List<MTrimElement> children, MTrimElement me) {
for (MTrimElement element : children) {
if (Util.equals(me.getElementId(), element.getElementId())
&& element.getClass().isInstance(me)
&& (element instanceof MToolBarSeparator || element instanceof MToolBar)) {
return true;
}
}
return false;
}