闭社主体 forked from https://github.com/tootsuite/mastodon
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import React from 'react';
import PropTypes from 'prop-types';
import { Motion, spring } from 'react-motion';
import { FormattedMessage } from 'react-intl';
class UploadArea extends React.PureComponent {
constructor (props, context) {
super(props, context);
this.handleKeyUp = this.handleKeyUp.bind(this);
}
handleKeyUp (e) {
e.preventDefault();
e.stopPropagation();
const keyCode = e.keyCode
if (this.props.active) {
switch(keyCode) {
case 27:
this.props.onClose();
break;
}
}
}
componentDidMount () {
window.addEventListener('keyup', this.handleKeyUp, false);
}
componentWillUnmount () {
window.removeEventListener('keyup', this.handleKeyUp);
}
render () {
const { active } = this.props;
return (
<Motion defaultStyle={{ backgroundOpacity: 0, backgroundScale: 0.95 }} style={{ backgroundOpacity: spring(active ? 1 : 0, { stiffness: 150, damping: 15 }), backgroundScale: spring(active ? 1 : 0.95, { stiffness: 200, damping: 3 }) }}>
{({ backgroundOpacity, backgroundScale }) =>
<div className='upload-area' style={{ visibility: active ? 'visible' : 'hidden', opacity: backgroundOpacity }}>
<div className='upload-area__drop'>
<div className='upload-area__background' style={{ transform: `translateZ(0) scale(${backgroundScale})` }} />
<div className='upload-area__content'><FormattedMessage id='upload_area.title' defaultMessage='Drag & drop to upload' /></div>
</div>
</div>
}
</Motion>
);
}
}
UploadArea.propTypes = {
active: PropTypes.bool,
onClose: PropTypes.func
};
export default UploadArea;