rhino-tools/src/main/java/org/mozilla/javascript/tools/debugger/SwingGui.java [1517:1582]:
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        JScrollPane listScroller = new JScrollPane(list);
        listScroller.setPreferredSize(new Dimension(320, 240));
        // XXX: Must do the following, too, or else the scroller thinks
        // XXX: it's taller than it is:
        listScroller.setMinimumSize(new Dimension(250, 80));
        listScroller.setAlignmentX(LEFT_ALIGNMENT);

        // Create a container so that we can add a title around
        // the scroll pane.  Can't add a title directly to the
        // scroll pane because its background would be white.
        // Lay out the label and scroll pane from top to button.
        JPanel listPane = new JPanel();
        listPane.setLayout(new BoxLayout(listPane, BoxLayout.Y_AXIS));
        JLabel label = new JLabel(labelText);
        label.setLabelFor(list);
        listPane.add(label);
        listPane.add(Box.createRigidArea(new Dimension(0, 5)));
        listPane.add(listScroller);
        listPane.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));

        // Lay out the buttons from left to right.
        JPanel buttonPane = new JPanel();
        buttonPane.setLayout(new BoxLayout(buttonPane, BoxLayout.X_AXIS));
        buttonPane.setBorder(BorderFactory.createEmptyBorder(0, 10, 10, 10));
        buttonPane.add(Box.createHorizontalGlue());
        buttonPane.add(cancelButton);
        buttonPane.add(Box.createRigidArea(new Dimension(10, 0)));
        buttonPane.add(setButton);

        // Put everything together, using the content pane's BorderLayout.
        Container contentPane = getContentPane();
        contentPane.add(listPane, BorderLayout.CENTER);
        contentPane.add(buttonPane, BorderLayout.SOUTH);
        pack();
        addKeyListener(
                new KeyAdapter() {
                    @Override
                    public void keyPressed(KeyEvent ke) {
                        int code = ke.getKeyCode();
                        if (code == KeyEvent.VK_ESCAPE) {
                            ke.consume();
                            value = null;
                            setVisible(false);
                        }
                    }
                });
    }

    /** Shows the dialog. */
    public String showDialog(Component comp) {
        value = null;
        setLocationRelativeTo(comp);
        setVisible(true);
        return value;
    }

    // ActionListener

    /** Performs an action. */
    @Override
    public void actionPerformed(ActionEvent e) {
        String cmd = e.getActionCommand();
        if (cmd.equals("Cancel")) {
            setVisible(false);
            value = null;
        } else if (cmd.equals("Select")) {
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rhino-tools/src/main/java/org/mozilla/javascript/tools/debugger/SwingGui.java [1646:1709]:
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        JScrollPane listScroller = new JScrollPane(list);
        listScroller.setPreferredSize(new Dimension(320, 240));
        listScroller.setMinimumSize(new Dimension(250, 80));
        listScroller.setAlignmentX(LEFT_ALIGNMENT);

        // Create a container so that we can add a title around
        // the scroll pane.  Can't add a title directly to the
        // scroll pane because its background would be white.
        // Lay out the label and scroll pane from top to button.
        JPanel listPane = new JPanel();
        listPane.setLayout(new BoxLayout(listPane, BoxLayout.Y_AXIS));
        JLabel label = new JLabel(labelText);
        label.setLabelFor(list);
        listPane.add(label);
        listPane.add(Box.createRigidArea(new Dimension(0, 5)));
        listPane.add(listScroller);
        listPane.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));

        // Lay out the buttons from left to right.
        JPanel buttonPane = new JPanel();
        buttonPane.setLayout(new BoxLayout(buttonPane, BoxLayout.X_AXIS));
        buttonPane.setBorder(BorderFactory.createEmptyBorder(0, 10, 10, 10));
        buttonPane.add(Box.createHorizontalGlue());
        buttonPane.add(cancelButton);
        buttonPane.add(Box.createRigidArea(new Dimension(10, 0)));
        buttonPane.add(setButton);

        // Put everything together, using the content pane's BorderLayout.
        Container contentPane = getContentPane();
        contentPane.add(listPane, BorderLayout.CENTER);
        contentPane.add(buttonPane, BorderLayout.SOUTH);
        pack();
        addKeyListener(
                new KeyAdapter() {
                    @Override
                    public void keyPressed(KeyEvent ke) {
                        int code = ke.getKeyCode();
                        if (code == KeyEvent.VK_ESCAPE) {
                            ke.consume();
                            value = null;
                            setVisible(false);
                        }
                    }
                });
    }

    /** Shows the dialog. */
    public String showDialog(Component comp) {
        value = null;
        setLocationRelativeTo(comp);
        setVisible(true);
        return value;
    }

    // ActionListener

    /** Performs an action. */
    @Override
    public void actionPerformed(ActionEvent e) {
        String cmd = e.getActionCommand();
        if (cmd.equals("Cancel")) {
            setVisible(false);
            value = null;
        } else if (cmd.equals("Select")) {
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