| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.jdt.internal.ui.viewsupport; |
| |
| import org.eclipse.swt.widgets.Control; |
| |
| import org.eclipse.jface.util.Assert; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.IResourceChangeListener; |
| import org.eclipse.core.resources.IResourceDelta; |
| |
| |
| public class FilterUpdater implements IResourceChangeListener { |
| |
| private StructuredViewer fViewer; |
| |
| public FilterUpdater(StructuredViewer viewer) { |
| Assert.isNotNull(viewer); |
| fViewer= viewer; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.resources.IResourceChangeListener#resourceChanged(org.eclipse.core.resources.IResourceChangeEvent) |
| */ |
| public void resourceChanged(IResourceChangeEvent event) { |
| IResourceDelta delta= event.getDelta(); |
| if (delta == null) |
| return; |
| |
| IResourceDelta[] projDeltas = delta.getAffectedChildren(IResourceDelta.CHANGED); |
| for (int i= 0; i < projDeltas.length; i++) { |
| IResourceDelta pDelta= projDeltas[i]; |
| if ((pDelta.getFlags() & IResourceDelta.DESCRIPTION) != 0) { |
| final Control ctrl= fViewer.getControl(); |
| if (ctrl != null && !ctrl.isDisposed()) { |
| // async is needed due to bug 33783 |
| ctrl.getDisplay().asyncExec(new Runnable() { |
| public void run() { |
| if (!ctrl.isDisposed()) |
| fViewer.refresh(false); |
| } |
| }); |
| } |
| } |
| } |
| } |
| } |