Method remove_node

src/jsmind.js:681–715

* Remove a node. * @param {string | import('./jsmind.node.js').Node} node * @returns {boolean}

(node)

     * @returns {boolean}
     */
    remove_node(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 false;
            } else {
                return this.remove_node(the_node);
            }
        }
        if (this.get_editable()) {
            if (node.isroot) {
                logger.error('fail, can not remove root node');
                return false;
            }
            var node_id = node.id;
            var parent_id = node.parent.id;
            var parent_node = this.get_node(parent_id);
            this.view.save_location(parent_node);
            this.view.remove_node(node);
            this.mind.remove_node(node);
            this.layout.layout();
            this.view.show(false);
            this.view.restore_location(parent_node);
            this.invoke_event_handle(EventType.edit, {
                evt: 'remove_node',
                data: [node_id],
                node: parent_id,
            });
            return true;
        } else {
            logger.error('fail, this mind map is not editable');
            return false;
        }
    }
    /**
     * Update the topic (text content) of a node.
     * @param {string} node_id