/*

 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

package com.nokia.carbide.cpp.pi.internal.perfcounters;

import org.eclipse.jface.viewers.Viewer;

import com.nokia.carbide.cpp.pi.peccommon.PecCommonLegendViewerSorter;

/**

 * Sorter for the PEC legend

 */

public class PecLegendViewerSorter extends PecCommonLegendViewerSorter {

	/**

	 * Constructor

	 */

	public PecLegendViewerSorter() {

		super();

	}

	/* (non-Javadoc)

	 * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)

	 */

	@Override

	public int compare(Viewer viewer, Object e1, Object e2) {

		PecLegendElement le1 = (PecLegendElement)e1;

		PecLegendElement le2 = (PecLegendElement)e2;

		int ret = 0;

		switch (columnIdx) {

		case PecLegend.COLUMN_PER_A:

			ret = Float.compare(le1.getxOverY(0), le2.getxOverY(0));

			break;

		case PecLegend.COLUMN_PER_B:

			ret = Float.compare(le1.getxOverY(1), le2.getxOverY(1));

			break;

		case PecLegend.COLUMN_PER_C:

			ret = Float.compare(le1.getxOverY(2), le2.getxOverY(2));

			break;

		default:

			return super.compare(viewer, e1, e2);

		}

		return sortUp? ret : (ret * -1);

	}

}