| /******************************************************************************* |
| * Copyright (c) 2003, 2006 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.j2ee.navigator.internal; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jface.viewers.AbstractTreeViewer; |
| |
| public class LoadingDDJob extends Job { |
| |
| private static final Class IPROJECT_CLASS = IProject.class; |
| |
| private EMFRootObjectProvider rootObjectProvider; |
| private LoadingDDNode placeHolder; |
| private AbstractTreeViewer viewer; |
| private IAdaptable parent; |
| |
| public LoadingDDJob(AbstractTreeViewer viewer, LoadingDDNode placeHolder, IAdaptable parent, EMFRootObjectProvider rootObjectProvider) { |
| super(placeHolder.getText()); |
| this.viewer = viewer; |
| this.placeHolder = placeHolder; |
| this.parent = parent; |
| this.rootObjectProvider = rootObjectProvider; |
| setRule(new NonConflictingRule()); |
| } |
| |
| @Override |
| protected IStatus run(IProgressMonitor monitor) { |
| |
| LoadingDDUIJob updateUIJob = new LoadingDDUIJob(viewer, placeHolder); |
| updateUIJob.schedule(); |
| |
| List children = new ArrayList(); |
| |
| try { |
| IProject project = (IProject) parent.getAdapter(IPROJECT_CLASS); |
| Object[] rootObjects = (rootObjectProvider != null) ? rootObjectProvider.getModels(project) : null; |
| if (rootObjects != null) { |
| for (int x=0; x< rootObjects.length ; ++x) { |
| children.add(rootObjects[x]); |
| } |
| |
| } |
| } finally { |
| /* dispose of the place holder, causes the termination of the animation job */ |
| placeHolder.dispose(); |
| new ClearPlaceHolderJob(viewer, placeHolder, parent, children.toArray()).schedule(); |
| } |
| |
| |
| return Status.OK_STATUS; |
| } |
| |
| } |