package org.myrobotlab.control;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

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

import org.myrobotlab.control.widget.ImageButton;
import org.myrobotlab.framework.Message;
import org.myrobotlab.service.GUIService;

public class LogGUI extends ServiceGUI implements ActionListener {

  static final long serialVersionUID = 1L;

  JTextArea log = new JTextArea(20, 40);
  ImageButton clearButton;

  public LogGUI(final String boundServiceName, final GUIService myService, final JTabbedPane tabs) {
    super(boundServiceName, myService, tabs);
  }

  @Override
  public void actionPerformed(ActionEvent action) {
    Object o = action.getSource();
    if (o == clearButton) {
      log.setText("");
    }

  }

  @Override
  public void attachGUI() {
    subscribe("log", "log", Message.class);
  }

  @Override
  public void detachGUI() {
    unsubscribe("log", "log", Message.class);
  }

  @Override
  public void init() {
    display.setLayout(new BorderLayout());

    clearButton = new ImageButton("Log", "clear", this);
    JPanel toolbar = new JPanel(new BorderLayout());
    toolbar.add(clearButton, BorderLayout.EAST);
    display.add(toolbar, BorderLayout.PAGE_START);

    log.setEditable(false);
    JScrollPane scrollPane = new JScrollPane(log);

    display.add(scrollPane, BorderLayout.CENTER);
  }

  public void log(Message m) {

    StringBuffer data = null;

    if (m.data != null) {
      data = new StringBuffer();
      for (int i = 0; i < m.data.length; ++i) {
        data.append(m.data[i]);
        if (m.data.length > 1) {
          data.append(" ");
        }
      }
    }

    log.append(m.sender + "." + m.sendingMethod + "->" + data + "\n");

    log.setCaretPosition(log.getDocument().getLength()); // FIXME - do it
    // the new Java
    // 1.6 way
  }

}