/*******************************************************************************
* 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 org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jst.j2ee.internal.navigator.ui.Messages;
import org.eclipse.ui.progress.UIJob;
public class ClearPlaceHolderJob extends UIJob {
private AbstractTreeViewer viewer;
private LoadingDDNode placeHolder;
private Object[] children;
private Object parent;
public ClearPlaceHolderJob(AbstractTreeViewer viewer, LoadingDDNode placeHolder, Object parent, Object[] children) {
super(Messages.ClearPlaceHolderJob_Removing_place_holder_);
this.viewer = viewer;
this.placeHolder = placeHolder;
this.parent = parent;
this.children = children;
setRule(new NonConflictingRule());
}
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
try {
if( !viewer.getControl().isDisposed() ){
viewer.getControl().setRedraw(false);
viewer.add(parent, children);
viewer.remove(placeHolder);
}
} finally {
if( !viewer.getControl().isDisposed() ){
viewer.getControl().setRedraw(true);
}
}
return Status.OK_STATUS;
}
}