| /******************************************************************************* |
| * 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.remove(placeHolder); |
| viewer.add(parent, children); |
| } |
| } finally { |
| if( !viewer.getControl().isDisposed() ){ |
| viewer.getControl().setRedraw(true); |
| } |
| } |
| return Status.OK_STATUS; |
| } |
| |
| } |