Method get_node_after

src/jsmind.mind.js:163–183

* Get next sibling of a node or node id. * @param {string | Node} node * @returns {Node | null}

(node)

     * @returns {Node | null}
     */
    get_node_after(node) {
        if (!Node.is_node(node)) {
            var the_node = this.get_node(node);
            if (!the_node) {
                logger.error('the node[id=' + node + '] can not be found.');
                return null;
            } else {
                return this.get_node_after(the_node);
            }
        }
        if (node.isroot) {
            return null;
        }
        var idx = node.index;
        var brothers = node.parent.children;
        if (brothers.length > idx) {
            return node.parent.children[idx];
        } else {
            return null;
        }
    }
    /**
     * Move a node to new parent/position.
     * @param {Node} node