public MenuKey(MMenuContribution mc) {
super(
mc.getParentId(),
mc.getPositionInParent(),
mc.getTags(),
(MCoreExpression) mc.getVisibleWhen(),
mc.getTransientData().get(FACTORY));
this.contribution = mc;
mc.setWidget(this);
}
public static void mergeContributions(
ArrayList<MMenuContribution> contributions, ArrayList<MMenuContribution> result) {
HashMap<MenuKey, ArrayList<MMenuContribution>> buckets =
new HashMap<MenuKey, ArrayList<MMenuContribution>>();
trace("mergeContributions size: " + contributions.size(), null); // $NON-NLS-1$
printContributions(contributions);
// first pass, sort by parentId?position,scheme,visibleWhen
for (MMenuContribution contribution : contributions) {
MenuKey key = getKey(contribution);
ArrayList<MMenuContribution> slot = buckets.get(key);
if (slot == null) {
slot = new ArrayList<MMenuContribution>();
buckets.put(key, slot);
}
slot.add(contribution);
}
Iterator<MMenuContribution> i = contributions.iterator();
while (i.hasNext() && !buckets.isEmpty()) {
MMenuContribution contribution = i.next();
MenuKey key = getKey(contribution);
ArrayList<MMenuContribution> slot = buckets.remove(key);
if (slot == null) {
continue;
}
MMenuContribution toContribute = null;
for (MMenuContribution item : slot) {
if (toContribute == null) {
toContribute = item;
continue;
}
Object[] array = item.getChildren().toArray();
for (int c = 0; c < array.length; c++) {
MMenuElement me = (MMenuElement) array[c];
if (!containsMatching(toContribute.getChildren(), me)) {
toContribute.getChildren().add(me);
}
}
}
if (toContribute != null) {
toContribute.setWidget(null);
result.add(toContribute);
}
}
trace("mergeContributions: final size: " + result.size(), null); // $NON-NLS-1$
}