/*******************************************************************************
* Copyright (c) 2003, 2007 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 org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.ui.progress.UIJob;
public class LoadingDDUIJob extends UIJob {
private static final long DELAY = 200;
private LoadingDDNode placeHolder;
private StructuredViewer viewer;
public LoadingDDUIJob(StructuredViewer viewer, LoadingDDNode placeHolder) {
super(placeHolder.getText());
this.viewer = viewer;
this.placeHolder = placeHolder;
setSystem(true);
setRule(new NonConflictingRule());
}
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
if(!placeHolder.isDisposed()) {
viewer.refresh(placeHolder, true);
schedule(DELAY);
}
return Status.OK_STATUS;
}
}