A11YUtil.java 文件源码

/**
 * Get universal Focus listener suitable for decsription JTextFields only.
 * It provides screen reades support for read only enabled descriptions.
 */
public static synchronized FocusListener getA11YJTextFieldSupport() {

    if (flis == null) {
        flis = new java.awt.event.FocusListener() {
            public void focusGained(java.awt.event.FocusEvent e) {
                if (e.getComponent() instanceof javax.swing.JTextField) {
                    ((javax.swing.JTextField)e.getComponent()).selectAll();
                }
            }
            public void focusLost(java.awt.event.FocusEvent e) {
                if (e.getComponent() instanceof javax.swing.JTextField) {
                    ((javax.swing.JTextField)e.getComponent()).select(1,1);
                }
            }
        };
    }
    return flis;
}