/*******************************************************************************
* 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.internal.ui.filters;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IStorage;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
/**
* Filters out all non-Script elements.
*/
public class NonScriptElementFilter 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
*/
@Override
public boolean select(Viewer viewer, Object parent, Object element) {
if (element instanceof IModelElement)
return true;
if (element instanceof IResource) {
IProject project= ((IResource)element).getProject();
return project == null || !project.isOpen();
}
// Exclude all IStorage elements which are neither Script elements nor resources
if (element instanceof IStorage)
return false;
return true;
}
}