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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import PropTypes from 'prop-types';
import React from 'react';
import loadingGif from 'images/load.gif';
import Constants from 'utils/constants.jsx';
import * as Utils from 'utils/utils.jsx';
import {getFileUrl, getFileThumbnailUrl} from 'mattermost-redux/utils/file_utils';
export default class FilePreview extends React.Component {
static propTypes = {
onRemove: PropTypes.func.isRequired,
fileInfos: PropTypes.arrayOf(PropTypes.object).isRequired,
uploadsInProgress: PropTypes.array
};
static defaultProps = {
fileInfos: [],
uploadsInProgress: []
};
constructor(props) {
super(props);
this.handleRemove = this.handleRemove.bind(this);
}
componentDidUpdate() {
if (this.props.uploadsInProgress.length > 0) {
this.refs[this.props.uploadsInProgress[0]].scrollIntoView();
}
}
handleRemove(id) {
this.props.onRemove(id);
}
render() {
var previews = [];
const fileInfos = this.props.fileInfos.sort((a, b) => a.create_at - b.create_at);
fileInfos.forEach((info) => {
const type = Utils.getFileType(info.extension);
let className = 'file-preview';
let previewImage;
if (type === 'svg') {
previewImage = (
<img
className='post-image normal'
src={getFileUrl(info.id)}
/>
);
} else if (type === 'image') {
let imageClassName = 'post-image';
if (info.width < Constants.THUMBNAIL_WIDTH && info.height < Constants.THUMBNAIL_HEIGHT) {
imageClassName += ' small';
} else {
imageClassName += ' normal';
}
previewImage = (
<div
className={imageClassName}
style={{
backgroundImage: `url(${getFileThumbnailUrl(info.id)})`
}}
/>
);
} else {
className += ' custom-file';
previewImage = <div className={'file-icon ' + Utils.getIconClassName(type)}/>;
}
previews.push(
<div
key={info.id}
className={className}
>
{previewImage}
<a
className='file-preview__remove'
onClick={this.handleRemove.bind(this, info.id)}
>
<i className='fa fa-remove'/>
</a>
</div>
);
});
this.props.uploadsInProgress.forEach((clientId) => {
previews.push(
<div
ref={clientId}
key={clientId}
className='file-preview'
data-client-id={clientId}
>
<img
className='spinner'
src={loadingGif}
/>
<a
className='file-preview__remove'
onClick={this.handleRemove.bind(this, clientId)}
>
<i className='fa fa-remove'/>
</a>
</div>
);
});
return (
<div
className='file-preview__container'
ref='container'
>
{previews}
</div>
);
}
}
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