62 lines
1.9 KiB
JavaScript
62 lines
1.9 KiB
JavaScript
// @flow
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import React from 'react';
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import classnames from 'classnames';
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import MarkdownPreview from 'component/common/markdown-preview';
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import ClaimTags from 'component/claimTags';
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import Button from 'component/button';
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type Props = {
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uri: string,
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claim: StreamClaim,
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metadata: StreamMetadata,
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user: ?any,
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tags: any,
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};
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function FileDescription(props: Props) {
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const { uri, claim, metadata, tags } = props;
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const [expanded, setExpanded] = React.useState(false);
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const [hasOverflow, setHasOverflow] = React.useState(false);
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const [hasCalculatedOverflow, setHasCalculatedOverflow] = React.useState(false);
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const descriptionRef = React.useRef();
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React.useEffect(() => {
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if (descriptionRef && descriptionRef.current) {
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const element = descriptionRef.current;
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const isOverflowing = element.scrollHeight > element.clientHeight;
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setHasOverflow(isOverflowing);
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setHasCalculatedOverflow(true);
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}
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}, [descriptionRef]);
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if (!claim || !metadata) {
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return <span className="empty">{__('Empty claim or metadata info.')}</span>;
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}
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const { description } = metadata;
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if (!description && !(tags && tags.length)) return null;
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return (
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<div>
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<div
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ref={descriptionRef}
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className={classnames({ 'media__info-text--contracted': !expanded, 'media__info-text--expanded': expanded })}
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>
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<MarkdownPreview className="markdown-preview--description" content={description} />
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<ClaimTags uri={uri} type="large" />
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</div>
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{hasCalculatedOverflow && hasOverflow && (
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<div className="media__info-expand">
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{expanded ? (
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<Button button="link" label={__('Less')} onClick={() => setExpanded(!expanded)} />
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) : (
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<Button button="link" label={__('More')} onClick={() => setExpanded(!expanded)} />
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)}
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</div>
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)}
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</div>
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);
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}
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export default FileDescription;
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