import React from 'react'; import PropTypes from 'prop-types'; import ImmutablePropTypes from 'react-immutable-proptypes'; import IconButton from './icon_button'; import Overlay from 'react-overlays/lib/Overlay'; import { Motion, spring } from 'react-motion'; import detectPassiveEvents from 'detect-passive-events'; const listenerOptions = detectPassiveEvents.hasSupport ? { passive: true } : false; class DropdownMenu extends React.PureComponent { static contextTypes = { router: PropTypes.object, }; static propTypes = { items: PropTypes.array.isRequired, onClose: PropTypes.func.isRequired, style: PropTypes.object, placement: PropTypes.string, arrowOffsetLeft: PropTypes.string, arrowOffsetTop: PropTypes.string, }; static defaultProps = { style: {}, placement: 'bottom', }; handleDocumentClick = e => { if (this.node && !this.node.contains(e.target)) { this.props.onClose(); } } componentDidMount () { document.addEventListener('click', this.handleDocumentClick, false); document.addEventListener('touchend', this.handleDocumentClick, listenerOptions); } componentWillUnmount () { document.removeEventListener('click', this.handleDocumentClick, false); document.removeEventListener('touchend', this.handleDocumentClick, listenerOptions); } setRef = c => { this.node = c; } handleClick = e => { const i = Number(e.currentTarget.getAttribute('data-index')); const { action, to } = this.props.items[i]; this.props.onClose(); if (typeof action === 'function') { e.preventDefault(); action(); } else if (to) { e.preventDefault(); this.context.router.history.push(to); } } renderItem (option, i) { if (option === null) { return
  • ; } const { text, href = '#' } = option; return (
  • {text}
  • ); } render () { const { items, style, placement, arrowOffsetLeft, arrowOffsetTop } = this.props; return ( {({ opacity, scaleX, scaleY }) => (
      {items.map((option, i) => this.renderItem(option, i))}
    )} ); } } export default class Dropdown extends React.PureComponent { static contextTypes = { router: PropTypes.object, }; static propTypes = { icon: PropTypes.string.isRequired, items: PropTypes.array.isRequired, size: PropTypes.number.isRequired, ariaLabel: PropTypes.string, disabled: PropTypes.bool, status: ImmutablePropTypes.map, isUserTouching: PropTypes.func, isModalOpen: PropTypes.bool.isRequired, onModalOpen: PropTypes.func, onModalClose: PropTypes.func, }; static defaultProps = { ariaLabel: 'Menu', }; state = { expanded: false, }; handleClick = () => { if (!this.state.expanded && this.props.isUserTouching() && this.props.onModalOpen) { const { status, items } = this.props; this.props.onModalOpen({ status, actions: items, onClick: this.handleItemClick, }); return; } this.setState({ expanded: !this.state.expanded }); } handleClose = () => { if (this.props.onModalClose) { this.props.onModalClose(); } this.setState({ expanded: false }); } handleKeyDown = e => { switch(e.key) { case 'Enter': this.handleClick(); break; case 'Escape': this.handleClose(); break; } } handleItemClick = e => { const i = Number(e.currentTarget.getAttribute('data-index')); const { action, to } = this.props.items[i]; this.handleClose(); if (typeof action === 'function') { e.preventDefault(); action(); } else if (to) { e.preventDefault(); this.context.router.history.push(to); } } setTargetRef = c => { this.target = c; } findTarget = () => { return this.target; } render () { const { icon, items, size, ariaLabel, disabled } = this.props; const { expanded } = this.state; return (
    ); } }