Bug 65243 Build path dialog: Disable 'Add folder' when ex-/inclusion selected
RC1 On the build path dialog it would be better to disable 'Add folder' when ex-/inclusion selected to avoid confusion to what 'Add folder is releated'
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/LibrariesWorkbookPage.java
private final Object[] EMPTY_ARR= new Object[0];
		
		
		public void customButtonPressed(TreeListDialogField field, int index) {
			libaryPageCustomButtonPressed(field, index);
		}
		
		public void selectionChanged(TreeListDialogField field) {
			libaryPageSelectionChanged(field);
		}
		
		public void doubleClicked(TreeListDialogField field) {
			libaryPageDoubleClicked(field);
		}
		
		public void keyPressed(TreeListDialogField field, KeyEvent event) {
			libaryPageKeyPressed(field, event);
		}
		public Object[] getChildren(TreeListDialogField field, Object element) {
			if (element instanceof CPListElement) {
				return ((CPListElement) element).getChildren(false);
			}
			return EMPTY_ARR;
		}
		public Object getParent(TreeListDialogField field, Object element) {
			if (element instanceof CPListElementAttribute) {
				return ((CPListElementAttribute) element).getParent();
			}
			return null;
		}