forked from treehouse/mastodon
140 lines
3.3 KiB
JavaScript
140 lines
3.3 KiB
JavaScript
import React from 'react';
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import Motion from 'flavours/glitch/util/optional_motion';
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import spring from 'react-motion/lib/spring';
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import PropTypes from 'prop-types';
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import classNames from 'classnames';
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export default class IconButton extends React.PureComponent {
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static propTypes = {
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className: PropTypes.string,
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title: PropTypes.string.isRequired,
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icon: PropTypes.string.isRequired,
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onClick: PropTypes.func,
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size: PropTypes.number,
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active: PropTypes.bool,
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pressed: PropTypes.bool,
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expanded: PropTypes.bool,
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style: PropTypes.object,
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activeStyle: PropTypes.object,
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disabled: PropTypes.bool,
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inverted: PropTypes.bool,
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animate: PropTypes.bool,
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flip: PropTypes.bool,
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overlay: PropTypes.bool,
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tabIndex: PropTypes.string,
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label: PropTypes.string,
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};
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static defaultProps = {
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size: 18,
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active: false,
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disabled: false,
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animate: false,
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overlay: false,
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tabIndex: '0',
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};
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handleClick = (e) => {
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e.preventDefault();
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if (!this.props.disabled) {
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this.props.onClick(e);
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}
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}
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render () {
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let style = {
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fontSize: `${this.props.size}px`,
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height: `${this.props.size * 1.28571429}px`,
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lineHeight: `${this.props.size}px`,
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...this.props.style,
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...(this.props.active ? this.props.activeStyle : {}),
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};
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if (!this.props.label) {
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style.width = `${this.props.size * 1.28571429}px`;
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} else {
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style.textAlign = 'left';
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}
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const {
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active,
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animate,
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className,
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disabled,
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expanded,
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icon,
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inverted,
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flip,
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overlay,
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pressed,
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tabIndex,
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title,
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} = this.props;
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const classes = classNames(className, 'icon-button', {
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active,
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disabled,
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inverted,
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overlayed: overlay,
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});
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const flipDeg = flip ? -180 : -360;
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const rotateDeg = active ? flipDeg : 0;
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const motionDefaultStyle = {
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rotate: rotateDeg,
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};
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const springOpts = {
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stiffness: this.props.flip ? 60 : 120,
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damping: 7,
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};
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const motionStyle = {
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rotate: animate ? spring(rotateDeg, springOpts) : 0,
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};
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if (!animate) {
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// Perf optimization: avoid unnecessary <Motion> components unless
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// we actually need to animate.
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return (
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<button
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aria-label={title}
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aria-pressed={pressed}
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aria-expanded={expanded}
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title={title}
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className={classes}
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onClick={this.handleClick}
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style={style}
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tabIndex={tabIndex}
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disabled={disabled}
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>
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<i className={`fa fa-fw fa-${icon}`} aria-hidden='true' />
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</button>
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);
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}
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return (
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<Motion defaultStyle={motionDefaultStyle} style={motionStyle}>
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{({ rotate }) =>
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(<button
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aria-label={title}
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aria-pressed={pressed}
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aria-expanded={expanded}
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title={title}
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className={classes}
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onClick={this.handleClick}
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style={style}
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tabIndex={tabIndex}
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disabled={disabled}
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>
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<i style={{ transform: `rotate(${rotate}deg)` }} className={`fa fa-fw fa-${icon}`} aria-hidden='true' />
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{this.props.label}
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</button>)
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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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