/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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.s60tools.crashanalyser.model;

import org.eclipse.jface.viewers.ViewerSorter;

import org.eclipse.jface.viewers.Viewer;

import com.nokia.s60tools.crashanalyser.containers.ErrorLibraryError;

/**

 * Sorts errors correctly in ErrorDialog's panics list.

 * 

 *  E.g.

 *  

 *  USER 1

 *  USER 2

 *  USER 34

 *  W32 1

 *  W32 2

 *

 */

public class PanicsViewerSorter extends ViewerSorter {

	@Override

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

		String panicName1 = ((ErrorLibraryError)e1).toString().trim();

		String panicName2 = ((ErrorLibraryError)e2).toString().trim();

		// separate panic id from panic name

		// panic name is category + panic id e.g. "W32 4"

		int index1 = panicName1.lastIndexOf(' ');

		int index2 = panicName2.lastIndexOf(' ');

		if (index1 > -1 && index2 > -1) {

			String category1 = panicName1.substring(0, index1).trim();

			String category2 = panicName2.substring(0, index2).trim();

			String panicId1 = panicName1.substring(index1).trim();

			String panicId2 = panicName2.substring(index2).trim();

			int res = category1.compareTo(category2);

			if (res == 0) {

				try {

					int panic1 = Integer.valueOf( panicId1 ).intValue();

					int panic2 = Integer.valueOf( panicId2 ).intValue();

					if (panic1 < panic2)

						return -1;

					else if (panic1 > panic2)

						return 1;

					else

						return 0;

				} catch (Exception e) {

					return panicName1.compareTo(panicName2);

				}

			} else {

				return panicName1.compareTo(panicName2);

			}

		} else {

			return panicName1.compareTo(panicName2);

		}

	}

}