Bug 34040 It takes a minute to expand a project in Package explorer
Build: RC1 For scalability testing, I'm developing against WSADIE. I imported a plug-in whose classpath contains >200 external jar entries. The project is initially collpsed. In the package explorer view, if you click on the + to expand the project, it will take about 60 seconds for the project to expand. After it expanded, I went into the view filters and changed it so that I could see the hidden '.*' files, it will take another minute to update the view.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerContentProvider.java
if (parent instanceof IPackageFragment) 
				postUpdateIcon((IPackageFragment)parent);
			
			 
			if (isPackageFragmentEmpty(element.getParent())) {
				if (fViewer.testFindItem(parent) != null)
					postRefresh(internalGetParent(parent));
			}  
			return;
		}
		if (kind == IJavaElementDelta.ADDED) { 
			
			
			if (isWorkingCopy(element)) {
				refreshWorkingCopy((IWorkingCopy)element);
				return;
			}
			Object parent= internalGetParent(element);
			
			 
			if (parent instanceof IPackageFragment) {
				Object grandparent= internalGetParent(parent);
				
				
				if (parent.equals(fInput)) {
					postRefresh(parent);
				} else {
					
					if (fViewer.testFindItem(parent) == null)
						postRefresh(grandparent);