SectionInnerPanel.java 文件源码

private void addFocusListenerRecursively(Container container, FocusListener focusListener) {
    final Component[] components = container.getComponents();
    for (int i = 0; i < components.length; i++) {
        Component component = components[i];
        if (component.isFocusable() && !(component instanceof JLabel)) {
            component.addFocusListener(focusListener);
        }
        if (component instanceof Container) {
            if (!(component instanceof SectionNodePanel)) {
                addFocusListenerRecursively((Container) component, focusListener);
            }
        }
    }
}