58 lines
1.5 KiB
JavaScript
58 lines
1.5 KiB
JavaScript
import React from 'react';
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import PropTypes from 'prop-types';
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class Preview extends React.Component {
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constructor (props) {
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super(props);
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this.state = {
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imgSource : '',
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defaultThumbnail: '/assets/img/video_thumb_default.png',
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};
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}
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componentDidMount () {
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this.setPreviewImageSource(this.props.file);
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}
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componentWillReceiveProps (newProps) {
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if (newProps.file !== this.props.file) {
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this.setPreviewImageSource(newProps.file);
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}
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if (newProps.thumbnail !== this.props.thumbnail) {
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this.setPreviewImageSourceFromFile(newProps.thumbnail);
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}
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}
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setPreviewImageSourceFromFile (file) {
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const previewReader = new FileReader();
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previewReader.readAsDataURL(file);
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previewReader.onloadend = () => {
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this.setState({imgSource: previewReader.result});
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};
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}
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setPreviewImageSource (file) {
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if (file.type !== 'video/mp4') {
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this.setPreviewImageSourceFromFile(file);
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} else {
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if (this.props.thumbnail) {
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this.setPreviewImageSourceFromFile(this.props.thumbnail);
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}
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this.setState({imgSource: this.state.defaultThumbnail});
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}
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}
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render () {
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return (
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<img
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id='dropzone-preview'
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src={this.state.imgSource}
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className={this.props.dimPreview ? 'dim' : ''}
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alt='publish preview'
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/>
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);
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}
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};
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Preview.propTypes = {
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dimPreview: PropTypes.bool.isRequired,
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file : PropTypes.object.isRequired,
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thumbnail : PropTypes.object,
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};
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export default Preview;
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