Bug 65240 Hierarchical layout: Problems with inclusion filters [package explorer]
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerLabelProvider.java
private PackageExplorerContentProvider fContentProvider;
	private boolean fIsFlatLayout;
	private PackageExplorerProblemsDecorator fProblemDecorator;
	PackageExplorerLabelProvider(long textFlags, int imageFlags, PackageExplorerContentProvider cp) {
		super(textFlags, imageFlags);
		fProblemDecorator= new PackageExplorerProblemsDecorator();
		addLabelDecorator(fProblemDecorator);
		Assert.isNotNull(cp);
		fContentProvider= cp;
	}
	public String getText(Object element) {
		
		if (fIsFlatLayout || !(element instanceof IPackageFragment))
			return super.getText(element);