/** Disables the load program action. */
 public void disableLoadProgram() {
   loadProgramButton.setEnabled(false);
 }
  // Initializes this component.
  private void jbInit() {
    fileChooser.setFileFilter(new ScriptFileFilter());
    this.getContentPane().setLayout(null);

    Hashtable<Integer, JLabel> labelTable = new Hashtable<Integer, JLabel>();

    JLabel slowLabel = new JLabel("Slow");
    slowLabel.setFont(Utilities.thinLabelsFont);
    JLabel fastLabel = new JLabel("Fast");
    fastLabel.setFont(Utilities.thinLabelsFont);
    labelTable.put(1, slowLabel);
    labelTable.put(5, fastLabel);

    speedSlider.addChangeListener(
        new ChangeListener() {
          public void stateChanged(ChangeEvent e) {
            SpeedSlider_stateChanged(e);
          }
        });
    speedSlider.setLabelTable(labelTable);
    speedSlider.setMajorTickSpacing(1);
    speedSlider.setPaintTicks(true);
    speedSlider.setPaintLabels(true);
    speedSlider.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 0));
    speedSlider.setPreferredSize(new Dimension(95, 50));
    speedSlider.setMinimumSize(new Dimension(95, 50));
    speedSlider.setToolTipText("Speed");
    speedSlider.setMaximumSize(new Dimension(95, 50));

    final Dimension buttonSize = new Dimension(39, 39);

    loadProgramButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            loadProgramButton_actionPerformed();
          }
        });
    loadProgramButton.setMaximumSize(buttonSize);
    loadProgramButton.setMinimumSize(buttonSize);
    loadProgramButton.setPreferredSize(buttonSize);
    loadProgramButton.setSize(buttonSize);
    loadProgramButton.setToolTipText("Load Program");
    loadProgramButton.setIcon(loadProgramIcon);

    ffwdButton.setMaximumSize(buttonSize);
    ffwdButton.setMinimumSize(buttonSize);
    ffwdButton.setPreferredSize(buttonSize);
    ffwdButton.setToolTipText("Run");
    ffwdButton.setIcon(ffwdIcon);
    ffwdButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            ffwdButton_actionPerformed();
          }
        });

    stopButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            stopButton_actionPerformed();
          }
        });
    stopButton.setMaximumSize(buttonSize);
    stopButton.setMinimumSize(buttonSize);
    stopButton.setPreferredSize(buttonSize);
    stopButton.setToolTipText("Stop");
    stopButton.setIcon(stopIcon);

    rewindButton.setMaximumSize(buttonSize);
    rewindButton.setMinimumSize(buttonSize);
    rewindButton.setPreferredSize(buttonSize);
    rewindButton.setToolTipText("Reset");
    rewindButton.setIcon(rewindIcon);
    rewindButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            rewindButton_actionPerformed();
          }
        });

    scriptButton.setMaximumSize(buttonSize);
    scriptButton.setMinimumSize(buttonSize);
    scriptButton.setPreferredSize(buttonSize);
    scriptButton.setToolTipText("Load Script");
    scriptButton.setIcon(scriptIcon);
    scriptButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            scriptButton_actionPerformed();
          }
        });

    breakButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            breakButton_actionPerformed();
          }
        });
    breakButton.setMaximumSize(buttonSize);
    breakButton.setMinimumSize(buttonSize);
    breakButton.setPreferredSize(buttonSize);
    breakButton.setToolTipText("Open breakpoint panel");
    breakButton.setIcon(breakIcon);

    breakpointWindow.addBreakpointListener(this);

    singleStepButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            singleStepButton_actionPerformed();
          }
        });
    singleStepButton.setMaximumSize(buttonSize);
    singleStepButton.setMinimumSize(buttonSize);
    singleStepButton.setPreferredSize(buttonSize);
    singleStepButton.setSize(buttonSize);
    singleStepButton.setToolTipText("Single Step");
    singleStepButton.setIcon(singleStepIcon);

    stepOverButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            stepOverButton_actionPerformed();
          }
        });
    stepOverButton.setMaximumSize(buttonSize);
    stepOverButton.setMinimumSize(buttonSize);
    stepOverButton.setPreferredSize(buttonSize);
    stepOverButton.setSize(buttonSize);
    stepOverButton.setToolTipText("Step Over");
    stepOverButton.setIcon(stepOverIcon);

    animationCombo.addActionListener(
        new java.awt.event.ActionListener() {
          public void actionPerformed(ActionEvent e) {
            animationCombo_actionPerformed();
          }
        });

    formatCombo.addActionListener(
        new java.awt.event.ActionListener() {
          public void actionPerformed(ActionEvent e) {
            formatCombo_actionPerformed();
          }
        });

    additionalDisplayCombo.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            additionalDisplayCombo_actionPerformed();
          }
        });

    messageLbl.setFont(Utilities.statusLineFont);
    messageLbl.setBorder(BorderFactory.createLoweredBevelBorder());
    messageLbl.setBounds(new Rectangle(0, 667, CONTROLLER_WIDTH - 8, 25));

    toolBar = new JToolBar();
    toolBar.setSize(new Dimension(TOOLBAR_WIDTH, TOOLBAR_HEIGHT));
    toolBar.setLayout(new FlowLayout(FlowLayout.LEFT, 3, 0));
    toolBar.setFloatable(false);
    toolBar.setLocation(0, 0);
    toolBar.setBorder(BorderFactory.createEtchedBorder());
    arrangeToolBar();
    this.getContentPane().add(toolBar, null);
    toolBar.revalidate();
    toolBar.repaint();
    repaint();

    // Creating the menu bar
    menuBar = new JMenuBar();
    arrangeMenu();
    setJMenuBar(menuBar);

    this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    this.getContentPane().add(messageLbl, null);

    setControllerSize();

    // sets the frame to be visible.
    setVisible(true);
  }
 /** Disables the rewind action. */
 public void disableRewind() {
   rewindButton.setEnabled(false);
   rewindMenuItem.setEnabled(false);
 }
 /** Enables the load program action. */
 public void enableLoadProgram() {
   loadProgramButton.setEnabled(true);
 }
 /** Disables the eject action. */
 public void disableScript() {
   scriptButton.setEnabled(false);
   scriptMenuItem.setEnabled(false);
 }
 /** Enables the rewind action. */
 public void enableRewind() {
   rewindButton.setEnabled(true);
   rewindMenuItem.setEnabled(true);
 }
 /** Disables the stop action. */
 public void disableStop() {
   stopButton.setEnabled(false);
   stopMenuItem.setEnabled(false);
 }
 /** Enables the eject action. */
 public void enableScript() {
   scriptButton.setEnabled(true);
   scriptMenuItem.setEnabled(true);
 }
 /** Enables the stop action. */
 public void enableStop() {
   stopButton.setEnabled(true);
   stopMenuItem.setEnabled(true);
 }
 /** Disables the fast forward action. */
 public void disableFastForward() {
   ffwdButton.setEnabled(false);
   ffwdMenuItem.setEnabled(false);
 }
 /** Enables the fast forward action. */
 public void enableFastForward() {
   ffwdButton.setEnabled(true);
   ffwdMenuItem.setEnabled(true);
 }
 /** Disables the single step action. */
 public void disableSingleStep() {
   singleStepButton.setEnabled(false);
   stepOverButton.setEnabled(false);
   singleStepMenuItem.setEnabled(false);
 }
 /** Enables the single step action. */
 public void enableSingleStep() {
   singleStepButton.setEnabled(true);
   stepOverButton.setEnabled(true);
   singleStepMenuItem.setEnabled(true);
 }