Bug 238299 [Viewers] Collapse All before expanding class/array suppresses display of all but first child node
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
System.arraycopy(items, i + 1, items, i, items.length - (i+1));
					}
					numItemsToDispose--;
				} else {
					i++;
				}
			}
		}
		
		
		
		
		
		
		
		for (int i = 0; i < min; ++i) {
			Item item = items[i];
			Object oldElement = item.getData();
			if (oldElement != null) {
				Object newElement = elementChildren[i];
				if (newElement != oldElement) {
					if (equals(newElement, oldElement)) {
						
						
						
						
						Object data = item.getData();
						if (data != null) {
							unmapElement(data, item);
						}