source: tmcsimulator/trunk/src/paramsim/paramicssimulator/gui/ParamicsLogPanel.java @ 66

package paramsim.paramicssimulator.gui;

import java.awt.Insets;
import java.text.SimpleDateFormat;
import java.util.Calendar;

import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

/** 
 * A JPanel which records of a log of errors and messages written or recieved
 * by the Paramics Simulator.
 * 
 * @author Greg Eddington
 **/
@SuppressWarnings("serial")
public class ParamicsLogPanel extends JPanel
{
        /** The timestamp format **/
        private static SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
        
        /** The log text area **/
        private JTextArea log;

        /** Constructor **/
        public ParamicsLogPanel()
        {
                log = new JTextArea();
                log.setColumns(35);
                log.setLineWrap(true);
                log.setRows(24);
                log.setWrapStyleWord(true);
                log.setEditable(false);
                log.setText("");
                log.setMargin(new Insets(0, 10, 0, 10));
                JScrollPane logPane = new JScrollPane(log);
                add(logPane);
        }
        
        /**
         * Write a string appended to the end of the log.
         * 
         * @param message
         */
        public void write(String message)
        {
                log.setText(log.getText() + sdf.format(Calendar.getInstance().getTime()) + ":\n" + 
                                message + "\n\n");
        }
}