--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysis/crashanalyser/com.nokia.s60tools.crashanalyser/src/com/nokia/s60tools/crashanalyser/model/ErrorsViewerSorter.java	Thu Feb 11 15:06:45 2010 +0200
@@ -0,0 +1,84 @@
+/*
+* 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.Viewer;
+import org.eclipse.jface.viewers.ViewerSorter;
+
+import com.nokia.s60tools.crashanalyser.containers.ErrorLibraryError;
+
+/**
+ * Sorts errors correctly in ErrorDialog's errors list 
+ *
+ * E.g.
+ * 
+ * -1
+ * -2
+ * -3
+ * KErrBadHandle
+ * KErrNone
+ * KErrNotFound
+ *
+ */
+public class ErrorsViewerSorter extends ViewerSorter {
+	
+	@Override
+	public int compare(Viewer viewer, Object e1, Object e2) {
+		String errorName1 = ((ErrorLibraryError)e1).toString().trim();
+		String errorName2 = ((ErrorLibraryError)e2).toString().trim();
+		
+		// both are numbers
+		if (isParsableToInt(errorName1) && isParsableToInt(errorName2)) {
+			int error1 = Integer.parseInt(errorName1);
+			int error2 = Integer.parseInt(errorName2);
+			if (error1 > error2)
+				return -1;
+			else if (error1 < error2)
+				return 1;
+			else
+				return 0;
+		// errorName1 is number, errorName2 is not
+		} else if (isParsableToInt(errorName1)) {
+			return -1;
+		// errorName1 is not a number, errorName2 is a number
+		} else if (isParsableToInt(errorName2)) {
+			return 1;
+		// errorName1 nor errorName2 is a number
+		} else {
+			return errorName1.compareTo(errorName2);
+		}
+	}
+	
+	/**
+	 * Checks whether given string is a number
+	 * @param i string
+	 * @return true if given string is a number, false if not
+	 */
+	boolean isParsableToInt(String i)
+	{
+		try
+		{
+			Integer.parseInt(i);
+			return true;
+		}
+		catch(Exception e)
+		{
+			return false;
+		}
+	}	
+}