DefaultsEditor.java 文件源码

/**
 * Adds a ComboBox to select a boolean property
 * @param text text to be shown on a label
 * @param property property to be changed in Defaults
 * @param cont container where input field must be added
 */
protected void addBooleanComboBox(String text, final String property, Container cont) {
    JLabel label = new JLabel(text + ":");
    JComboBox combo = new JComboBox(new Object[] { Boolean.TRUE.toString(), Boolean.FALSE.toString() });
    combo.setName(property);
    label.setLabelFor(combo);
    combo.setSelectedItem(Defaults.get(property));
    // Sets maximum size to minimal one, otherwise springLayout will stretch this
    combo.setMaximumSize(new Dimension(combo.getMaximumSize().width, combo.getMinimumSize().height));
    combo.addItemListener(new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
            Defaults.set(property, (String) e.getItem());
        }
    });
    cont.add(label);
    cont.add(combo);
}