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214 lines
5.6 KiB
214 lines
5.6 KiB
import React from 'react';
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import PropTypes from 'prop-types';
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import ImmutablePropTypes from 'react-immutable-proptypes';
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import IconButton from './icon_button';
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import Overlay from 'react-overlays/lib/Overlay';
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import Motion from '../features/ui/util/optional_motion';
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import spring from 'react-motion/lib/spring';
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import detectPassiveEvents from 'detect-passive-events';
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const listenerOptions = detectPassiveEvents.hasSupport ? { passive: true } : false;
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let id = 0;
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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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items: PropTypes.array.isRequired,
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onClose: PropTypes.func.isRequired,
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style: PropTypes.object,
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placement: PropTypes.string,
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arrowOffsetLeft: PropTypes.string,
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arrowOffsetTop: PropTypes.string,
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};
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static defaultProps = {
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style: {},
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placement: 'bottom',
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};
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state = {
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mounted: false,
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};
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handleDocumentClick = e => {
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if (this.node && !this.node.contains(e.target)) {
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this.props.onClose();
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}
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}
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componentDidMount () {
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document.addEventListener('click', this.handleDocumentClick, false);
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document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
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this.setState({ mounted: true });
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}
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componentWillUnmount () {
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document.removeEventListener('click', this.handleDocumentClick, false);
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document.removeEventListener('touchend', this.handleDocumentClick, listenerOptions);
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}
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setRef = c => {
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this.node = 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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this.props.onClose();
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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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}
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renderItem (option, i) {
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if (option === null) {
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return <li key={`sep-${i}`} className='dropdown-menu__separator' />;
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}
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const { text, href = '#' } = option;
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return (
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<li className='dropdown-menu__item' key={`${text}-${i}`}>
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<a href={href} target='_blank' rel='noopener' role='button' tabIndex='0' autoFocus={i === 0} onClick={this.handleClick} data-index={i}>
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{text}
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</a>
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</li>
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);
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}
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render () {
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const { items, style, placement, arrowOffsetLeft, arrowOffsetTop } = this.props;
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const { mounted } = this.state;
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return (
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<Motion defaultStyle={{ opacity: 0, scaleX: 0.85, scaleY: 0.75 }} style={{ opacity: spring(1, { damping: 35, stiffness: 400 }), scaleX: spring(1, { damping: 35, stiffness: 400 }), scaleY: spring(1, { damping: 35, stiffness: 400 }) }}>
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{({ opacity, scaleX, scaleY }) => (
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// It should not be transformed when mounting because the resulting
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// size will be used to determine the coordinate of the menu by
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// react-overlays
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<div className='dropdown-menu' style={{ ...style, opacity: opacity, transform: mounted ? `scale(${scaleX}, ${scaleY})` : null }} ref={this.setRef}>
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<div className={`dropdown-menu__arrow ${placement}`} style={{ left: arrowOffsetLeft, top: arrowOffsetTop }} />
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<ul>
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{items.map((option, i) => this.renderItem(option, i))}
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</ul>
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</div>
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)}
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</Motion>
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);
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}
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}
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export default class Dropdown 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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icon: PropTypes.string.isRequired,
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items: PropTypes.array.isRequired,
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size: PropTypes.number.isRequired,
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title: PropTypes.string,
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disabled: PropTypes.bool,
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status: ImmutablePropTypes.map,
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isUserTouching: PropTypes.func,
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isModalOpen: PropTypes.bool.isRequired,
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onOpen: PropTypes.func.isRequired,
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onClose: PropTypes.func.isRequired,
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dropdownPlacement: PropTypes.string,
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openDropdownId: PropTypes.number,
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};
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static defaultProps = {
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title: 'Menu',
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};
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state = {
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id: id++,
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};
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handleClick = ({ target }) => {
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if (this.state.id === this.props.openDropdownId) {
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this.handleClose();
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} else {
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const { top } = target.getBoundingClientRect();
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const placement = top * 2 < innerHeight ? 'bottom' : 'top';
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this.props.onOpen(this.state.id, this.handleItemClick, placement);
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}
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}
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handleClose = () => {
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this.props.onClose(this.state.id);
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}
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handleKeyDown = e => {
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switch(e.key) {
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case 'Enter':
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this.handleClick(e);
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break;
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case 'Escape':
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this.handleClose();
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break;
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}
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}
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handleItemClick = 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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this.handleClose();
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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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}
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setTargetRef = c => {
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this.target = c;
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}
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findTarget = () => {
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return this.target;
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}
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render () {
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const { icon, items, size, title, disabled, dropdownPlacement, openDropdownId } = this.props;
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const open = this.state.id === openDropdownId;
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return (
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<div onKeyDown={this.handleKeyDown}>
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<IconButton
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icon={icon}
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title={title}
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active={open}
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disabled={disabled}
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size={size}
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ref={this.setTargetRef}
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onClick={this.handleClick}
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/>
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<Overlay show={open} placement={dropdownPlacement} target={this.findTarget}>
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<DropdownMenu items={items} onClose={this.handleClose} />
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</Overlay>
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</div>
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);
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}
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}
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