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146 lines
4.1 KiB
146 lines
4.1 KiB
import React from 'react';
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import ImmutablePropTypes from 'react-immutable-proptypes';
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import Dropdown, { DropdownTrigger, DropdownContent } from 'react-simple-dropdown';
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import PropTypes from 'prop-types';
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export default class DropdownMenu extends React.PureComponent {
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static contextTypes = {
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router: PropTypes.object,
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};
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static propTypes = {
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isUserTouching: PropTypes.func,
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isModalOpen: PropTypes.bool.isRequired,
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onModalOpen: PropTypes.func,
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onModalClose: PropTypes.func,
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icon: PropTypes.string.isRequired,
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items: PropTypes.array.isRequired,
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size: PropTypes.number.isRequired,
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direction: PropTypes.string,
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status: ImmutablePropTypes.map,
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ariaLabel: PropTypes.string,
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disabled: PropTypes.bool,
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};
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static defaultProps = {
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ariaLabel: 'Menu',
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isModalOpen: false,
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isUserTouching: () => false,
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};
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state = {
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direction: 'left',
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expanded: false,
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};
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setRef = (c) => {
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this.dropdown = c;
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}
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handleClick = (e) => {
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const i = Number(e.currentTarget.getAttribute('data-index'));
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const { action, to } = this.props.items[i];
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if (this.props.isModalOpen) {
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this.props.onModalClose();
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}
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// Don't call e.preventDefault() when the item uses 'href' property.
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// ex. "Edit profile" on the account action bar
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if (typeof action === 'function') {
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e.preventDefault();
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action();
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} else if (to) {
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e.preventDefault();
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this.context.router.history.push(to);
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}
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this.dropdown.hide();
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}
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handleShow = () => {
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if (this.props.isUserTouching()) {
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this.props.onModalOpen({
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status: this.props.status,
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actions: this.props.items,
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onClick: this.handleClick,
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});
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} else {
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this.setState({ expanded: true });
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}
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}
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handleHide = () => this.setState({ expanded: false })
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handleToggle = (e) => {
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if (e.key === 'Enter') {
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if (this.props.isUserTouching()) {
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this.handleShow();
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} else {
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this.setState({ expanded: !this.state.expanded });
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}
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} else if (e.key === 'Escape') {
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this.setState({ expanded: false });
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}
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}
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renderItem = (item, i) => {
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if (item === null) {
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return <li key={`sep-${i}`} className='dropdown__sep' />;
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}
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const { text, href = '#' } = item;
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return (
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<li className='dropdown__content-list-item' key={`${text}-${i}`}>
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<a href={href} target='_blank' rel='noopener' role='button' tabIndex='0' autoFocus={i === 0} onClick={this.handleClick} data-index={i} className='dropdown__content-list-link'>
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{text}
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</a>
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</li>
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);
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}
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render () {
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const { icon, items, size, direction, ariaLabel, disabled } = this.props;
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const { expanded } = this.state;
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const isUserTouching = this.props.isUserTouching();
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const directionClass = (direction === 'left') ? 'dropdown__left' : 'dropdown__right';
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const iconStyle = { fontSize: `${size}px`, width: `${size}px`, lineHeight: `${size}px` };
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const iconClassname = `fa fa-fw fa-${icon} dropdown__icon`;
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if (disabled) {
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return (
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<div className='icon-button disabled' style={iconStyle} aria-label={ariaLabel}>
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<i className={iconClassname} aria-hidden />
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</div>
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);
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}
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const dropdownItems = expanded && (
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<ul role='group' className='dropdown__content-list' onClick={this.handleHide}>
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{items.map(this.renderItem)}
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</ul>
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);
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// No need to render the actual dropdown if we use the modal. If we
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// don't render anything <Dropdow /> breaks, so we just put an empty div.
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const dropdownContent = !isUserTouching ? (
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<DropdownContent className={directionClass} >
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{dropdownItems}
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</DropdownContent>
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) : <div />;
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return (
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<Dropdown ref={this.setRef} active={isUserTouching ? false : expanded} onShow={this.handleShow} onHide={this.handleHide}>
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<DropdownTrigger className='icon-button' style={iconStyle} role='button' aria-pressed={expanded} onKeyDown={this.handleToggle} tabIndex='0' aria-label={ariaLabel}>
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<i className={iconClassname} aria-hidden />
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</DropdownTrigger>
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{dropdownContent}
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</Dropdown>
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);
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}
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}
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