--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/trace/traceviewer/com.nokia.traceviewer/src/com/nokia/traceviewer/view/ColorRuleUpdater.java	Wed Jun 23 14:49:59 2010 +0300
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2007-2010 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:
+ *
+ * Color Rule Updater class
+ *
+ */
+package com.nokia.traceviewer.view;
+
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.TextViewer;
+import org.eclipse.swt.custom.StyleRange;
+import org.eclipse.swt.custom.StyledText;
+
+import com.nokia.traceviewer.engine.TraceViewerGlobals;
+
+/**
+ * Color Rule Updater class
+ */
+public class ColorRuleUpdater implements Runnable {
+
+	/**
+	 * Style ranges
+	 */
+	private final StyleRange[] ranges;
+
+	/**
+	 * Constructor
+	 * 
+	 * @param ranges
+	 *            Style range
+	 */
+	public ColorRuleUpdater(StyleRange[] ranges) {
+		this.ranges = ranges;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see java.lang.Runnable#run()
+	 */
+	public void run() {
+
+		TextViewer viewer = TraceViewerGlobals.getTraceViewer().getView()
+				.getViewer();
+		StyledText widget = viewer.getTextWidget();
+		IDocument document = viewer.getDocument();
+
+		// Start to replace styleranges
+		if (widget != null && document.getLength() > 0 && ranges.length > 0) {
+			viewer.getTextWidget().replaceStyleRanges(0, document.getLength(),
+					ranges);
+			// Delete all styleranges
+		} else if (widget != null && document.getLength() > 0
+				&& ranges.length == 0) {
+			StyleRange range = new StyleRange(0, document.getLength(), null,
+					null);
+			viewer.getTextWidget().setStyleRange(range);
+		} else {
+			// Do nothing
+		}
+	}
+
+}