private void makePanel(Dimension size) { JPanel buttonPanel = new JPanel(new GridLayout(1, 2, 5, 5)); newButton = new JButton("New"); newButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent actionEvent) { lineBuilder.clear(); lineBuilder.setArmed(true); pauseButton.setText("Pause"); pauseButton.setEnabled(true); endButton.setEnabled(true); newButton.setEnabled(false); ((Component) wwd).setCursor(Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR)); } }); buttonPanel.add(newButton); newButton.setEnabled(true); pauseButton = new JButton("Pause"); pauseButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent actionEvent) { lineBuilder.setArmed(!lineBuilder.isArmed()); pauseButton.setText(!lineBuilder.isArmed() ? "Resume" : "Pause"); ((Component) wwd).setCursor(Cursor.getDefaultCursor()); } }); buttonPanel.add(pauseButton); pauseButton.setEnabled(false); endButton = new JButton("End"); endButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent actionEvent) { lineBuilder.setArmed(false); newButton.setEnabled(true); pauseButton.setEnabled(false); pauseButton.setText("Pause"); endButton.setEnabled(false); ((Component) wwd).setCursor(Cursor.getDefaultCursor()); } }); buttonPanel.add(endButton); endButton.setEnabled(false); JPanel pointPanel = new JPanel(new GridLayout(0, 1, 0, 10)); pointPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); this.pointLabels = new JLabel[20]; for (int i = 0; i < this.pointLabels.length; i++) { this.pointLabels[i] = new JLabel(""); pointPanel.add(this.pointLabels[i]); } // Put the point panel in a container to prevent scroll panel from stretching the vertical // spacing. JPanel dummyPanel = new JPanel(new BorderLayout()); dummyPanel.add(pointPanel, BorderLayout.NORTH); // Put the point panel in a scroll bar. JScrollPane scrollPane = new JScrollPane(dummyPanel); scrollPane.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0)); if (size != null) scrollPane.setPreferredSize(size); // Add the buttons, scroll bar and inner panel to a titled panel that will resize with the // main window. JPanel outerPanel = new JPanel(new BorderLayout()); outerPanel.setBorder( new CompoundBorder( BorderFactory.createEmptyBorder(9, 9, 9, 9), new TitledBorder("Line"))); outerPanel.setToolTipText("Line control and info"); outerPanel.add(buttonPanel, BorderLayout.NORTH); outerPanel.add(scrollPane, BorderLayout.CENTER); this.add(outerPanel, BorderLayout.CENTER); }