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YuruToot/app/javascript/mastodon/components/dropdown_menu.js
Akihiko Odaki 1266c66f79 Rename ariaLabel property of Dropdown to title (#5813)
DropdownMenu has ariaLabel property, but it is actually applied to title
property of IconButton. Keep it consistent.
2017-11-25 15:41:08 +01:00

212 lines
5.3 KiB
JavaScript

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 from '../features/ui/util/optional_motion';
import spring from 'react-motion/lib/spring';
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 <li key={`sep-${i}`} className='dropdown-menu__separator' />;
}
const { text, href = '#' } = option;
return (
<li className='dropdown-menu__item' key={`${text}-${i}`}>
<a href={href} target='_blank' rel='noopener' role='button' tabIndex='0' autoFocus={i === 0} onClick={this.handleClick} data-index={i}>
{text}
</a>
</li>
);
}
render () {
const { items, style, placement, arrowOffsetLeft, arrowOffsetTop } = this.props;
return (
<Motion defaultStyle={{ opacity: 0, scaleX: 0.85, scaleY: 0.75 }} style={{ opacity: spring(1, { damping: 35, stiffness: 400 }), scaleX: spring(1, { damping: 35, stiffness: 400 }), scaleY: spring(1, { damping: 35, stiffness: 400 }) }}>
{({ opacity, scaleX, scaleY }) => (
<div className='dropdown-menu' style={{ ...style, opacity: opacity, transform: `scale(${scaleX}, ${scaleY})` }} ref={this.setRef}>
<div className={`dropdown-menu__arrow ${placement}`} style={{ left: arrowOffsetLeft, top: arrowOffsetTop }} />
<ul>
{items.map((option, i) => this.renderItem(option, i))}
</ul>
</div>
)}
</Motion>
);
}
}
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,
title: PropTypes.string,
disabled: PropTypes.bool,
status: ImmutablePropTypes.map,
isUserTouching: PropTypes.func,
isModalOpen: PropTypes.bool.isRequired,
onModalOpen: PropTypes.func,
onModalClose: PropTypes.func,
};
static defaultProps = {
title: '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, title, disabled } = this.props;
const { expanded } = this.state;
return (
<div onKeyDown={this.handleKeyDown}>
<IconButton
icon={icon}
title={title}
active={expanded}
disabled={disabled}
size={size}
ref={this.setTargetRef}
onClick={this.handleClick}
/>
<Overlay show={expanded} placement='bottom' target={this.findTarget}>
<DropdownMenu items={items} onClose={this.handleClose} />
</Overlay>
</div>
);
}
}