/*******************************************************************************
* Copyright (c) 2016 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.windup.ui.internal.editor.launch;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.ui.model.WorkbenchContentProvider;
/**
* Content provider for workspace resources.
*/
public class ResourceContentProvider extends WorkbenchContentProvider {
private Viewer viewer;
public ResourceContentProvider() {
ResourcesPlugin.getWorkspace().addResourceChangeListener(this,
IResourceChangeEvent.POST_CHANGE);
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
super.inputChanged(viewer, oldInput, newInput);
this.viewer = viewer;
}
@Override
public void dispose() {
if (viewer != null) {
ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);
}
}
@Override
public Object[] getElements(Object element) {
if (element instanceof Object[]) {
return (Object[])element;
}
return new Object[0];
}
}