| /******************************************************************************* |
| * Copyright (c) 2010, 2011 Tasktop Technologies and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.commons.repositories.ui; |
| |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| import org.eclipse.mylyn.commons.repositories.core.RepositoryCategory; |
| |
| /** |
| * @author Robert Elves |
| * @author Steffen Pingel |
| */ |
| public class EmptyRepositoryCategoriesFilter extends ViewerFilter { |
| |
| public EmptyRepositoryCategoriesFilter() { |
| } |
| |
| @Override |
| public boolean select(Viewer viewer, Object parentElement, Object element) { |
| if (element instanceof RepositoryCategory) { |
| return ((ITreeContentProvider) ((StructuredViewer) viewer).getContentProvider()).getChildren(element).length > 0; |
| } |
| return true; |
| } |
| } |