Spaces:
Paused
Paused
File size: 3,768 Bytes
ab2ded1 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 |
import {
useGetChunkHighlights,
useGetDocumentUrl,
} from '@/hooks/document-hooks';
import { IChunk } from '@/interfaces/database/knowledge';
import { Skeleton } from 'antd';
import { useEffect, useRef, useState } from 'react';
import {
AreaHighlight,
Highlight,
IHighlight,
PdfHighlighter,
PdfLoader,
Popup,
} from 'react-pdf-highlighter';
import FileError from '@/pages/document-viewer/file-error';
import { useCatchDocumentError } from './hooks';
import styles from './index.less';
interface IProps {
chunk: IChunk;
documentId: string;
visible: boolean;
}
const HighlightPopup = ({
comment,
}: {
comment: { text: string; emoji: string };
}) =>
comment.text ? (
<div className="Highlight__popup">
{comment.emoji} {comment.text}
</div>
) : null;
const DocumentPreviewer = ({ chunk, documentId, visible }: IProps) => {
const getDocumentUrl = useGetDocumentUrl(documentId);
const { highlights: state, setWidthAndHeight } = useGetChunkHighlights(chunk);
const ref = useRef<(highlight: IHighlight) => void>(() => {});
const [loaded, setLoaded] = useState(false);
const url = getDocumentUrl();
const error = useCatchDocumentError(url);
const resetHash = () => {};
useEffect(() => {
setLoaded(visible);
}, [visible]);
useEffect(() => {
if (state.length > 0 && loaded) {
setLoaded(false);
ref.current(state[0]);
}
}, [state, loaded]);
return (
<div className={styles.documentContainer}>
<PdfLoader
url={url}
beforeLoad={<Skeleton active />}
workerSrc="/pdfjs-dist/pdf.worker.min.js"
errorMessage={<FileError>{error}</FileError>}
>
{(pdfDocument) => {
pdfDocument.getPage(1).then((page) => {
const viewport = page.getViewport({ scale: 1 });
const width = viewport.width;
const height = viewport.height;
setWidthAndHeight(width, height);
});
return (
<PdfHighlighter
pdfDocument={pdfDocument}
enableAreaSelection={(event) => event.altKey}
onScrollChange={resetHash}
scrollRef={(scrollTo) => {
ref.current = scrollTo;
setLoaded(true);
}}
onSelectionFinished={() => null}
highlightTransform={(
highlight,
index,
setTip,
hideTip,
viewportToScaled,
screenshot,
isScrolledTo,
) => {
const isTextHighlight = !Boolean(
highlight.content && highlight.content.image,
);
const component = isTextHighlight ? (
<Highlight
isScrolledTo={isScrolledTo}
position={highlight.position}
comment={highlight.comment}
/>
) : (
<AreaHighlight
isScrolledTo={isScrolledTo}
highlight={highlight}
onChange={() => {}}
/>
);
return (
<Popup
popupContent={<HighlightPopup {...highlight} />}
onMouseOver={(popupContent) =>
setTip(highlight, () => popupContent)
}
onMouseOut={hideTip}
key={index}
>
{component}
</Popup>
);
}}
highlights={state}
/>
);
}}
</PdfLoader>
</div>
);
};
export default DocumentPreviewer;
|