source: trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/swt/SWTConsole.java

package de.ugoe.cs.eventbench.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyleRange;
import org.eclipse.swt.custom.StyledText;

import de.ugoe.cs.util.StringTools;
import de.ugoe.cs.util.console.Console;
import de.ugoe.cs.util.console.listener.ICommandListener;
import de.ugoe.cs.util.console.listener.IErrorListener;
import de.ugoe.cs.util.console.listener.IOutputListener;
import de.ugoe.cs.util.console.listener.ITraceListener;

public class SWTConsole implements IOutputListener, IErrorListener, ITraceListener, ICommandListener {

        StyledText output;
        
        public SWTConsole(StyledText styledText) {
                Console.getInstance().registerOutputListener(this);
                Console.getInstance().registerErrorListener(this);
                Console.getInstance().registerTraceListener(this);
                Console.getInstance().registerCommandListener(this);
                this.output = styledText;
        }
        
        @Override
        public void outputMsg(String newMessage) {
                output.append(newMessage);
        }

        @Override
        public void errorMsg(String errMessage) {
                appendColored(errMessage, SWT.COLOR_RED);
        }

        @Override
        public void traceMsg(String traceMessage) {
                appendColored(traceMessage, SWT.COLOR_BLUE);
        }
        
        @Override
        public void commandNotification(String command) {
                output.append("> " + command + StringTools.ENDLINE);    
        }
        
        private void appendColored(String str, int id) {
                StyleRange styleRange = new StyleRange();
                styleRange.start = output.getText().length();
                styleRange.length = str.length();
                styleRange.foreground = output.getDisplay().getSystemColor(id);
                output.append(str);
                output.setStyleRange(styleRange);
        }
}