| /* |
| * Copyright (c) 2010-2014 Eike Stepper (Berlin, Germany) 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: |
| * Martin Fluegge - initial API and implementation |
| * Christian W. Damus (CEA) - bug 436036 |
| */ |
| package org.eclipse.emf.cdo.dawn.ui.views; |
| |
| import org.eclipse.emf.cdo.eresource.CDOResourceFolder; |
| import org.eclipse.emf.cdo.eresource.CDOResourceNode; |
| import org.eclipse.emf.cdo.ui.CDOItemProvider; |
| import org.eclipse.emf.cdo.view.CDOView; |
| |
| import org.eclipse.net4j.util.container.IContainer; |
| import org.eclipse.net4j.util.ui.views.IElementFilter; |
| |
| /** |
| * @author Martin Fluegge |
| * @param <CONTAINER> |
| */ |
| public class DawnWizardPageItemProvider<CONTAINER extends IContainer<Object>> extends CDOItemProvider |
| { |
| |
| public DawnWizardPageItemProvider(IElementFilter iElementFilter) |
| { |
| super(null, iElementFilter); |
| } |
| |
| @Override |
| public Object[] getChildren(Object element) |
| { |
| Object[] result = super.getChildren(element); |
| |
| if (result.length > 0 && result[0] instanceof CDOView) |
| { |
| // filter the views to show only the first view |
| if (result.length > 1) |
| { |
| result = new Object[] { result[0] }; |
| } |
| } |
| |
| return result; |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) |
| { |
| if (element instanceof CDOView) |
| { |
| return ((CDOView)element).getRootResource().getContents().size() > 0; |
| } |
| |
| if (element instanceof CDOResourceFolder) |
| { |
| return ((CDOResourceFolder)element).getNodes().size() > 0; |
| } |
| |
| return super.hasChildren(element); |
| } |
| |
| @Override |
| public Object getParent(Object element) |
| { |
| if (element instanceof CDOResourceNode) |
| { |
| CDOResourceNode node = (CDOResourceNode)element; |
| CDOResourceNode parent = (CDOResourceNode)node.eContainer(); |
| if (parent.isRoot()) |
| { |
| return parent.cdoView(); |
| } |
| |
| return parent; |
| } |
| |
| return super.getParent(element); |
| } |
| } |