94 lines
2.4 KiB
TypeScript
94 lines
2.4 KiB
TypeScript
import { useEffect, useRef, useState } from "react";
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import { Document, Page } from "react-pdf";
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import "react-pdf/dist/esm/Page/AnnotationLayer.css";
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import "react-pdf/dist/esm/Page/TextLayer.css";
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import ArrowCircleLeftIcon from "@mui/icons-material/ArrowCircleLeft";
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import ArrowCircleRightIcon from "@mui/icons-material/ArrowCircleRight";
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import { Box, IconButton } from "@mui/material";
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interface PDFViewerProps {
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pitchBookId: string;
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}
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export default function PDFViewer({ pitchBookId }: PDFViewerProps) {
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const [numPages, setNumPages] = useState<number | null>(null);
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const [pageNumber, setPageNumber] = useState(1);
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const [containerWidth, setContainerWidth] = useState<number | null>(null);
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const containerRef = useRef<HTMLDivElement>(null);
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const onDocumentLoadSuccess = ({ numPages }: { numPages: number }) => {
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setNumPages(numPages);
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};
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useEffect(() => {
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const updateWidth = () => {
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if (containerRef.current) {
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setContainerWidth(containerRef.current.offsetWidth);
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}
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};
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updateWidth();
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window.addEventListener("resize", updateWidth);
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return () => window.removeEventListener("resize", updateWidth);
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}, []);
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return (
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<Box
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display="flex"
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flexDirection="column"
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justifyContent="center"
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alignItems="center"
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width="100%"
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height="100%"
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p={2}
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>
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<Box
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ref={containerRef}
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sx={{
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width: "100%",
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maxHeight: "90vh",
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overflow: "auto",
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display: "flex",
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justifyContent: "center",
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alignItems: "center",
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}}
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>
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<Document
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file={`http://localhost:5050/api/pitch_book/${pitchBookId}/download`}
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onLoadSuccess={onDocumentLoadSuccess}
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onLoadError={(error) =>
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console.error("Es gab ein Fehler beim Laden des PDFs:", error)
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}
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onSourceError={(error) => console.error("Ungültige PDF:", error)}
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>
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{containerWidth && (
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<Page pageNumber={pageNumber} width={containerWidth * 0.8} />
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)}
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</Document>
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</Box>
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<Box
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mt={2}
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display="flex"
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alignItems="center"
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justifyContent="center"
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gap={1}
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>
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<IconButton
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disabled={pageNumber <= 1}
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onClick={() => setPageNumber((p) => p - 1)}
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>
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<ArrowCircleLeftIcon fontSize="large" />
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</IconButton>
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<span>
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{pageNumber} / {numPages}
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</span>
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<IconButton
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disabled={pageNumber >= (numPages || 1)}
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onClick={() => setPageNumber((p) => p + 1)}
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>
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<ArrowCircleRightIcon fontSize="large" />
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</IconButton>
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</Box>
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</Box>
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);
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} |