/*******************************************************************************
* Copyright (c) 2000, 2011 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.jarpackager;
import org.eclipse.core.resources.IContainer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.jdt.core.IJavaElement;
/**
* Filters out all packages and folders
*/
class ContainerFilter extends ViewerFilter {
private boolean fFilterContainers;
public static boolean FILTER_CONTAINERS= true;
public static boolean FILTER_NON_CONTAINERS= false;
public ContainerFilter(boolean filterContainers) {
fFilterContainers= filterContainers;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ViewerFilter#select(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
@Override
public boolean select(Viewer viewer, Object parent, Object element) {
boolean isContainer= element instanceof IContainer;
if (!isContainer && element instanceof IJavaElement) {
int type= ((IJavaElement)element).getElementType();
isContainer= type == IJavaElement.JAVA_MODEL
|| type == IJavaElement.JAVA_PROJECT
|| type == IJavaElement.PACKAGE_FRAGMENT
|| type ==IJavaElement.PACKAGE_FRAGMENT_ROOT;
}
return (fFilterContainers && !isContainer) || (!fFilterContainers && isContainer);
}
}