/*******************************************************************************
* Copyright (c) 2000, 2008 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.wst.jsdt.internal.ui.filters;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IStorage;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.wst.jsdt.core.IJavaScriptElement;
/**
* Filters out all non-Java elements.
*/
public class NonJavaElementFilter extends ViewerFilter {
/**
* Returns the result of this filter, when applied to the
* given inputs.
*
* @return Returns true if element should be included in filtered set
*/
public boolean select(Viewer viewer, Object parent, Object element) {
if (element instanceof IJavaScriptElement)
return true;
if (element instanceof IResource) {
IProject project= ((IResource)element).getProject();
return project == null || !project.isOpen();
}
// Exclude all IStorage elements which are neither Java elements nor resources
if (element instanceof IStorage)
return false;
return true;
}
}