IngredientsFrame.java 文件源码

public void addCheckBoxToPanel(Food food) {
    JFrame frame = this;
    jPanel2.setLayout(new GridLayout(0, 4));
    final JCheckBox box = new JCheckBox(food.getFood());
    box.setActionCommand(String.valueOf(food.getId()));
    box.addItemListener(new ItemListener() {
        @Override
        public void itemStateChanged(ItemEvent e) {
            if (box.isSelected()) {
                jTextArea1.append(box.getText() + "\n");
                selectedFoodIds.add(Integer.parseInt(box.getActionCommand()));
            }
        }
    });
    jPanel2.add(box);
    frame.revalidate();
    frame.repaint();
}