Johan Dahlin
2e231ec64c
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53 lines
2.0 KiB
Django/Jinja
53 lines
2.0 KiB
Django/Jinja
{% extends "base.jinja2" %}
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{% block title %}{{ filename }}{% endblock %}
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{% block content %}
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<h1>{{ title }}</h1>
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<a id="download-btn" href="{{ filename }}" download class="download-button">Download PDF</a>
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<canvas id="pdf-render"></canvas>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.6.347/pdf.min.js"></script>
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<script type="text/javascript">
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const url = "{{ filename }}";
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const pdfjsLib = window['pdfjs-dist/build/pdf'];
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pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.6.347/pdf.worker.min.js';
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const loadingTask = pdfjsLib
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.getDocument(url)
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.promise
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.then(function (pdf) {
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console.log('PDF loaded');
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pdf.getPage(1).then(function (page) {
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console.log('Page loaded');
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const scale = 1.5;
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const viewport = page.getViewport({scale: scale});
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const canvas = document.getElementById('pdf-render');
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const context = canvas.getContext('2d');
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canvas.height = viewport.height;
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canvas.width = viewport.width;
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const renderContext = {
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canvasContext: context,
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viewport: viewport
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};
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page.render(renderContext).promise.then(function () {
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console.log('Page rendered');
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});
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});
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})
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.catch(function (reason) {
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console.error(reason);
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});
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</script>
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<style>
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.download-button {
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display: inline-block;
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padding: 10px 20px;
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background-color: #007bff;
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color: white;
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text-decoration: none;
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border-radius: 5px;
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margin-bottom: 15px;
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}
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.download-button:hover {
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background-color: #0056b3;
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}
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</style>
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{% endblock %}
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