/*******************************************************************************
 * Copyright (c) 2000, 2006 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.pde.internal.ui.wizards;

import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;

public class WizardCollectionComparator extends ViewerComparator {
	private String baseCategory;

	public WizardCollectionComparator(String baseCategory) {
		this.baseCategory = baseCategory;
	}

	public int compare(Viewer viewer, Object o1, Object o2) {
		String name2 = ((WizardCollectionElement) o2).getLabel();
		String name1 = ((WizardCollectionElement) o1).getLabel();
		if (name2.equals(name1))
			return 0;

		if (baseCategory != null) {
			// note that this must be checked for name2 before name1 because if they're
			// BOTH equal to baseCategory then we want to answer false by convention
			if (name2.equalsIgnoreCase(baseCategory))
				return -1;

			if (name1.equalsIgnoreCase(baseCategory))
				return 1;
		}

		return name2.compareTo(name1);
	}

	public boolean isSorterProperty(Object object, Object propertyId) {
		return true;
	}
}