/*******************************************************************************
* Copyright (c) 2009 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
* Zend Technologies
*******************************************************************************/
package org.eclipse.php.internal.ui.functions;
import org.eclipse.dltk.ui.ModelElementSorter;
import org.eclipse.jface.viewers.Viewer;
/**
* Elements sorter for the PHP Functions view. Inherits all its behavior from
* the ModelElementSorter but adds special handling for the Constants Node, that
* should appear as the first node in the view
*
* @author Eden K., 2008
*
*/
public class PHPFunctionsSorter extends ModelElementSorter {
/**
* Display the ConstantNode first in the tree, then the rest of the elements
*/
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
if (e1 instanceof ConstantNode) {
return -1;
} else if (e2 instanceof ConstantNode) {
return 1;
} else {
return super.compare(viewer, e1, e2);
}
}
}