/*******************************************************************************
* Copyright (c) 2000, 2017 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
*
*******************************************************************************/
package org.eclipse.dltk.ui.viewsupport;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.swt.widgets.Control;
public class FilterUpdater implements IResourceChangeListener {
private StructuredViewer fViewer;
public FilterUpdater(StructuredViewer viewer) {
fViewer= viewer;
}
@Override
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(() -> {
if (!ctrl.isDisposed())
fViewer.refresh(false);
});
}
}
}
}
}