FileNameController.java 文件源码

@Override
public void focusGained(FocusEvent e) {

    /*
     * Order of method calls hideInfo() and super.focusGained(e) is
     * important! See bug #113202.
     */

    if (infoDisplayed) {
        hideInfo();
    }
    super.focusGained(e);   //selects all text
}