DayViewScrollPane.java 文件源码

private void startDrag(MouseEvent evt) {
    EventTarget target = evt.getTarget();
    if (!isOnEntry(target)) {
        return;
    }
    Dragboard db = startDragAndDrop(TransferMode.MOVE);
    ClipboardContent content = new ClipboardContent();

    /*
     * We have to add some content, otherwise drag over will not be called.
     */
    content.putString("dummy"); //$NON-NLS-1$
    db.setContent(content);
}