File size: 4,789 Bytes
9b9424e 2ae8e86 9b9424e 2ae8e86 929115a 9b9424e 2ae8e86 9b9424e c8e695f 9b9424e 2ae8e86 9b9424e 2ae8e86 9b9424e 2ae8e86 9b9424e 2ae8e86 9b9424e 2ae8e86 9b9424e |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 |
import solara, ipyreact
from pathlib import Path
import base64
import requests
def pdf_url_to_base64(url):
response = requests.get(url)
if response.status_code == 200:
pdf_bytes = response.content
base64_encoded = base64.b64encode(pdf_bytes).decode("utf-8")
return base64_encoded
else:
print("Failed to fetch PDF from URL:", url)
return None
ipyreact.define_module("ts-pdf", "./ts-pdf.mjs")
ipyreact.define_import_map({
"pdfjs-dist": "https://esm.sh/[email protected]/build/pdf.worker.js",
})
@solara.component
def PDFViewer(type,pdf):
if type=="bytes":
pdf_bytes=pdf
else:
pdf_bytes=pdf_url_to_base64(pdf)
app = ipyreact.ValueWidget(_esm=
"""
import React, { useEffect } from 'react';
import { AnnotEventDetail, CustomStampEventDetail, TsPdfViewer, TsPdfViewerOptions } from 'ts-pdf';
const PdfViewerComponent = () => {
useEffect(() => {
const mobileVhHack = () => {
const vh = window.innerHeight * 0.01;
document.documentElement.style.setProperty('--vh', `${vh}px`);
};
mobileVhHack();
window.addEventListener("resize", mobileVhHack);
return () => {
window.removeEventListener("resize", mobileVhHack);
};
}, []);
var arrayBuffer = base64ToArrayBuffer('"""+pdf_bytes+"""');
function base64ToArrayBuffer(base64) {
var binaryString = window.atob(base64);
var binaryLen = binaryString.length;
var bytes = new Uint8Array(binaryLen);
for (var i = 0; i < binaryLen; i++) {
var ascii = binaryString.charCodeAt(i);
bytes[i] = ascii;
}
return bytes;
}
var blob = new Blob([arrayBuffer], {type: "application/pdf"});
var link = window.URL.createObjectURL(blob);
useEffect(() => {
const run = async () => {
const options: TsPdfViewerOptions = {
containerSelector: "#pdf-main-container",
workerSource: "https://cdn.jsdelivr.net/npm/[email protected]/build/pdf.worker.js",
userName: "corran",
fileButtons: ["close", "save"],
comparableFileButtons: ["open", "close"],
annotChangeCallback: (detail: AnnotEventDetail) => {
if (detail.type === "focus" || detail.type === "select" || detail.type === "render") {
return;
}
console.log(detail);
},
customStampChangeCallback: (detail: CustomStampEventDetail) => {
// console.log(JSON.stringify(detail.stamp));
},
};
const viewer = new TsPdfViewer(options);
// viewer.importAnnotationsFromJson(dtos);
// }, 5000);
// for debug
window["pdfViewer"] = viewer;
await viewer.openPdfAsync(link);
};
run();
// Clean up function
return () => {
// Perform any cleanup of the effect here
};
}, []);
return (
<div style={{
position: "relative",
minWidth: "320px",
width: "100vw",
height: "calc(var(--vh, 1vh) * 100)",
margin: "0",
backgroundColor: "var(--tspdf-color-bg)",
transition: "height .25s ease"
}}>
<style>
{`
.abs-stretch {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
`}
</style>
<div className="test-container abs-stretch">
<div id="pdf-main-container" className="abs-stretch">
{/* Your PDF content will be rendered here */}
</div>
</div>
</div>
);
};
export default PdfViewerComponent;
""")
solara.display(app)
@solara.component
def Reader():
solara.Style("""
#app > div > div:nth-child(2) >
div:nth-child(2){
display: none;
}
""")
router = solara.use_router()
path = router.path
if "bytes=" in path:
data=path.split("bytes=")[-1]
PDFViewer("bytes",data)
elif "url=" in path:
data=path.split("url=")[-1]
PDFViewer("url",data)
else:
solara.Markdown("Invalid PDF")
solara.Markdown(path)
routes = [
solara.Route(
"reader",
component=Reader,
),
]
Reader()
|