public TextPanelAppender(Layout layout,
    String name) 
{
       
    this.layout = layout;
    this.name = name;
    this.sw = new StringWriter();
    this.qw = new QuietWriter(sw, errorHandler);
    this.tp = new TracerPrintWriter(qw);
    setLogTextPanel(new LogTextPanel());
    logPublisher = new LogPublishingThread(logTextPanel, Priority.ERROR, 500);
    //logPublisher = new LogPublishingThread(logTextPanel, null, 500);
}

 public  void append(LoggingEvent event) 
{
    String text = this.layout.format(event);
    // Print Stacktrace
    // Quick Hack maybe there is a better/faster way?
    if (event.throwable!=null) {
      event.throwable.printStackTrace(tp);
      for (int i=0; i<  sw.getBuffer().length(); i++) {
        if (sw.getBuffer().charAt(i)=='\t")
          sw.getBuffer().replace(i,i+1,"        ");
      }
      text += sw.toString();
      sw.getBuffer().delete(0,sw.getBuffer().length());
    }
    else
      if(!text.endsWith("\n"))
        text += "\n";
    logPublisher.publishEvent(event.priority, text);
}

 public  void close() 
{

}

 public JPanel getLogTextPanel() 
{
    return logTextPanel;
}

 public String[] getOptionStrings() 
{
    return new String[] { COLOR_OPTION_FATAL, COLOR_OPTION_ERROR,
         COLOR_OPTION_WARN, COLOR_OPTION_INFO, COLOR_OPTION_DEBUG,
         COLOR_OPTION_BACKGROUND, FONT_NAME_OPTION, FONT_SIZE_OPTION};
}

 public boolean requiresLayout() 
{
    return true;
}

 protected  void setLogTextPanel(LogTextPanel logTextPanel) 
{
    this.logTextPanel = logTextPanel;
    logTextPanel.setTextBackground(Color.white);
}

 public  void setName(String name) 
{
    this.name = name;
}

 public  void setOption(String option,
    String value) 
{
    if (option.equalsIgnoreCase(COLOR_OPTION_FATAL))
      logTextPanel.setTextColor(Priority.FATAL,value);
    if (option.equalsIgnoreCase(COLOR_OPTION_ERROR))
      logTextPanel.setTextColor(Priority.ERROR,value);
    if (option.equalsIgnoreCase(COLOR_OPTION_WARN))
      logTextPanel.setTextColor(Priority.WARN,value);
    if (option.equalsIgnoreCase(COLOR_OPTION_INFO))
      logTextPanel.setTextColor(Priority.INFO,value);
    if (option.equalsIgnoreCase(COLOR_OPTION_DEBUG))
      logTextPanel.setTextColor(Priority.DEBUG,value);
    if (option.equalsIgnoreCase(COLOR_OPTION_BACKGROUND))
      logTextPanel.setTextBackground(value);
    if (option.equalsIgnoreCase(FONT_SIZE_OPTION))
      logTextPanel.setTextFontSize(Integer.parseInt(value));
    if (option.equalsIgnoreCase(FONT_NAME_OPTION))
      logTextPanel.setTextFontName(value);
    if (option.equalsIgnoreCase(EVENT_BUFFER_SIZE_OPTION))
      logTextPanel.setEventBufferSize(Integer.parseInt(value));
    return;
}