ChangeComponentOrientation.java 文件源码

public void changeOrientationOfJPanelToLeft() {

    thePanel.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);
    Component panelComponents[] = thePanel.getComponents();

    for (int i = 0; i < panelComponents.length; i++) {

        if(panelComponents[i] instanceof JPanel) {
            JPanel panel = (JPanel) panelComponents[i];
            if(!panel.getComponentOrientation().isLeftToRight()) {
                panel.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);
            }
        }

        if(panelComponents[i] instanceof JButton) {
            JButton button = (JButton) panelComponents[i];
            if(!button.getComponentOrientation().isLeftToRight()) {
                button.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);
            }
        }
    }
}