void addTextField(JPanel panel, String key, String label) {
JLabel lab = new JLabel(label);
lab.setAlignmentX(LEFT_ALIGNMENT);
panel.add(lab);
JTextField field = new JTextField();
field.setText(sketch.configFile.get(key));
field.setMaximumSize(new Dimension(Integer.MAX_VALUE, field.getPreferredSize().height));
fields.put(key, field);
panel.add(field);
}
