Function toggleSubMenu

component/Menu.js:41–51

(index)

    },

    toggleSubMenu(index){
        let {accordion, popped, horizontal} = this.props;
        const node = ReactDOM.findDOMNode(this.refs[index]);
        const active = hasClass(node, '_active');
        if (accordion || popped || horizontal) {
            const baseNode = ReactDOM.findDOMNode(this.refs.base);
            removeClass(baseNode.querySelectorAll('.sub-menu'), '_active');
        }
        active ? removeClass(node, '_active') : addClass(node, '_active');
        return false;
    },

    handleItemClick(index, disabled){
        if (disabled) return;