TreeView.java 文件源码

/** Synchronize the root context from the manager of this Explorer.
*/
final void synchronizeRootContext() {
    // #151850 cancel editing before changing root node
    Mutex.EVENT.readAccess(new Runnable() {
        @Override
        public void run() {
            TreeCellEditor cellEditor = tree.getCellEditor();
            if (cellEditor instanceof TreeViewCellEditor) {
                ((TreeViewCellEditor) cellEditor).abortTimer();
            }
            tree.cancelEditing();
            final Node rc = manager.getRootContext();
            LOG.log(Level.FINE, "synchronizeRootContext {0}", rc);
            treeModel.setNode(rc, visHolder);
        }
    });
}