/*

 * 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 com.nokia.carbide.cpp.pi.peccommon.PecCommonLegendLabelProvider;

/**

 * Performance Counter Legend: LabelProvider for TableViewer 

 */

public class PecLegendLabelProvider extends PecCommonLegendLabelProvider {

	private static final String EMPTY_STRING = ""; //$NON-NLS-1$

	@Override

	public String getColumnText(Object element, int columnIndex) {

		String s = null;

		if (element instanceof PecLegendElement){

			PecLegendElement le = (PecLegendElement)element;

			switch (columnIndex) {

			case PecLegend.COLUMN_PER_A:

				if (le.getCnt() > 0 && !le.isCoreValuesOnly()){

					s = String.format(Messages.PecLegendLabelProvider_4, le.getxOverY(0));

				}

				break;

			case PecLegend.COLUMN_PER_B:

				if (le.getCnt() > 0 && !le.isCoreValuesOnly()){

					s = String.format(Messages.PecLegendLabelProvider_5, le.getxOverY(1));

				}

				break;

			case PecLegend.COLUMN_PER_C:

				if (le.getCnt() > 0 && !le.isCoreValuesOnly()){

					s = String.format(Messages.PecLegendLabelProvider_6, le.getxOverY(2));

				}

				break;

			default:

				return super.getColumnText(element, columnIndex);

			}

		}

		return s == null ? EMPTY_STRING : s;

	}

}