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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import Constants from 'utils/constants.jsx';
import FileStore from 'stores/file_store.jsx';
import * as Utils from 'utils/utils.jsx';
import {Tooltip, OverlayTrigger} from 'react-bootstrap';
import PropTypes from 'prop-types';
import React from 'react';
export default class FileAttachment extends React.Component {
constructor(props) {
super(props);
this.loadFiles = this.loadFiles.bind(this);
this.onAttachmentClick = this.onAttachmentClick.bind(this);
this.state = {
loaded: Utils.getFileType(props.fileInfo.extension) !== 'image'
};
}
componentDidMount() {
this.loadFiles();
}
componentWillReceiveProps(nextProps) {
if (nextProps.fileInfo.id !== this.props.fileInfo.id) {
this.setState({
loaded: Utils.getFileType(nextProps.fileInfo.extension) !== 'image'
});
}
}
componentDidUpdate(prevProps) {
if (!this.state.loaded && this.props.fileInfo.id !== prevProps.fileInfo.id) {
this.loadFiles();
}
}
loadFiles() {
const fileInfo = this.props.fileInfo;
const fileType = Utils.getFileType(fileInfo.extension);
if (fileType === 'image') {
const thumbnailUrl = FileStore.getFileThumbnailUrl(fileInfo.id);
const img = new Image();
img.onload = () => {
this.setState({loaded: true});
};
img.load(thumbnailUrl);
}
}
onAttachmentClick(e) {
e.preventDefault();
this.props.handleImageClick(this.props.index);
}
render() {
const fileInfo = this.props.fileInfo;
const fileName = fileInfo.name;
const fileUrl = FileStore.getFileUrl(fileInfo.id);
let thumbnail;
if (this.state.loaded) {
const type = Utils.getFileType(fileInfo.extension);
if (type === 'image') {
let className = 'post-image';
if (fileInfo.width < Constants.THUMBNAIL_WIDTH && fileInfo.height < Constants.THUMBNAIL_HEIGHT) {
className += ' small';
} else {
className += ' normal';
}
thumbnail = (
<div
className={className}
style={{
backgroundImage: `url(${FileStore.getFileThumbnailUrl(fileInfo.id)})`
}}
/>
);
} else {
thumbnail = <div className={'file-icon ' + Utils.getIconClassName(type)}/>;
}
} else {
thumbnail = <div className='post-image__load'/>;
}
let trimmedFilename;
if (fileName.length > 35) {
trimmedFilename = fileName.substring(0, Math.min(35, fileName.length)) + '...';
} else {
trimmedFilename = fileName;
}
let filenameOverlay;
if (this.props.compactDisplay) {
filenameOverlay = (
<OverlayTrigger
delayShow={1000}
placement='top'
overlay={<Tooltip id='file-name__tooltip'>{fileName}</Tooltip>}
>
<a
href='#'
onClick={this.onAttachmentClick}
className='post-image__name'
rel='noopener noreferrer'
>
<span
className='icon'
dangerouslySetInnerHTML={{__html: Constants.ATTACHMENT_ICON_SVG}}
/>
{trimmedFilename}
</a>
</OverlayTrigger>
);
} else {
filenameOverlay = (
<OverlayTrigger
delayShow={1000}
placement='top'
overlay={<Tooltip id='file-name__tooltip'>{Utils.localizeMessage('file_attachment.download', 'Download') + ' "' + fileName + '"'}</Tooltip>}
>
<a
href={fileUrl}
download={fileName}
className='post-image__name'
target='_blank'
rel='noopener noreferrer'
>
{trimmedFilename}
</a>
</OverlayTrigger>
);
}
return (
<div className='post-image__column'>
<a
className='post-image__thumbnail'
href='#'
onClick={this.onAttachmentClick}
>
{thumbnail}
</a>
<div className='post-image__details'>
{filenameOverlay}
<div>
<a
href={fileUrl}
download={fileName}
className='post-image__download'
target='_blank'
rel='noopener noreferrer'
>
<span className='fa fa-download'/>
</a>
<span className='post-image__type'>{fileInfo.extension.toUpperCase()}</span>
<span className='post-image__size'>{Utils.fileSizeToString(fileInfo.size)}</span>
</div>
</div>
</div>
);
}
}
FileAttachment.propTypes = {
fileInfo: PropTypes.object.isRequired,
// the index of this attachment preview in the parent FileAttachmentList
index: PropTypes.number.isRequired,
// handler for when the thumbnail is clicked passed the index above
handleImageClick: PropTypes.func,
compactDisplay: PropTypes.bool
};
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