mirror of
https://github.com/Frooodle/Stirling-PDF.git
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67de8a9460
* WIP: fixes canvas and rect to crop - small problem in smaller screens - neew to fix re render page on resize * Closes #2209 * Closes #2227
179 lines
8.6 KiB
HTML
179 lines
8.6 KiB
HTML
<!DOCTYPE html>
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<html th:lang="${#locale.language}" th:dir="#{language.direction}" th:data-language="${#locale.toString()}" xmlns:th="https://www.thymeleaf.org">
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<head>
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<th:block th:insert="~{fragments/common :: head(title=#{PDFToCSV.title}, header=#{PDFToCSV.header})}"></th:block>
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</head>
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<body>
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<div id="page-container">
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<div id="content-wrap">
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<th:block th:insert="~{fragments/navbar.html :: navbar}"></th:block>
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<br><br>
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<div class="container">
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<div class="row justify-content-center">
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<div class="col-md-6 bg-card">
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<div class="tool-header">
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<span class="material-symbols-rounded tool-header-icon convert">csv</span>
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<span class="tool-header-text" th:text="#{PDFToCSV.header}"></span>
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</div>
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<form id="PDFToCSVForm" th:action="@{'/api/v1/convert/pdf/csv'}" method="post" enctype="multipart/form-data">
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<input id="pageId" type="hidden" name="pageId">
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<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multipleInputsForSingleRequest=false, accept='application/pdf')}"></div>
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<button type="submit" class="btn btn-primary" th:text="#{PDFToCSV.submit}"></button>
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</form>
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<p id="instruction-text" style="margin: 0; display: none" th:text="#{PDFToCSV.prompt}"></p>
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<div style="position: relative; width: auto;" id="canvasesContainer">
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<div>
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<div style="display:none ;margin: 3px;position: absolute;top: 0;width: 120px;justify-content:space-between;z-index: 10" id="pagination-button-container">
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<button id='previous-page-btn' style='opacity: 80% ; width: 50px; height: 30px; display: flex;align-items: center;justify-content: center; background: grey; color: #ffffff; ;border: none;outline: none; border-radius: 4px;'> < </button>
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<button id='next-page-btn' style='opacity: 80% ; width: 50px; height: 30px; display: flex;align-items: center;justify-content: center; background: grey; color: #ffffff; ;border: none;outline: none; border-radius: 4px;'> > </button>
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</div>
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<canvas id="cropPdfCanvas" style="width: 100%"></canvas>
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</div>
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<canvas id="overlayCanvas" style="position: absolute; top: 0; left: 0; z-index: 2; width: 100%"></canvas>
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</div>
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<script type="module" th:src="@{'/pdfjs-legacy/pdf.mjs'}"></script>
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<script>
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let pdfCanvas = document.getElementById('cropPdfCanvas');
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let overlayCanvas = document.getElementById('overlayCanvas');
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let canvasesContainer = document.getElementById('canvasesContainer');
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canvasesContainer.style.display = "none";
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// let paginationBtnContainer = ;
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let context = pdfCanvas.getContext('2d');
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let overlayContext = overlayCanvas.getContext('2d');
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let btn1Object = document.getElementById('previous-page-btn');
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let btn2Object = document.getElementById('next-page-btn');
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overlayCanvas.width = pdfCanvas.width;
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overlayCanvas.height = pdfCanvas.height;
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let fileInput = document.getElementById('fileInput-input');
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let file;
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let pdfDoc = null;
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let pageId = document.getElementById('pageId');
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let currentPage = 1;
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let totalPages = 0;
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let startX = 0;
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let startY = 0;
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let rectWidth = 0;
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let rectHeight = 0;
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let timeId = null; // timeout id for resizing canvases event
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btn1Object.addEventListener('click',function (e){
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if (currentPage !== 1) {
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currentPage = currentPage - 1;
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pageId.value = currentPage;
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if (file.type === 'application/pdf') {
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let reader = new FileReader();
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reader.onload = function (ev) {
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let typedArray = new Uint8Array(reader.result);
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pdfjsLib.GlobalWorkerOptions.workerSrc = './pdfjs-legacy/pdf.worker.mjs'
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pdfjsLib.getDocument(typedArray).promise.then(function (pdf) {
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pdfDoc = pdf;
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totalPages = pdf.numPages;
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renderPage(currentPage);
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});
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};
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reader.readAsArrayBuffer(file);
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}
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}
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});
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btn2Object.addEventListener('click',function (e){
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if (currentPage !== totalPages){
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currentPage=currentPage+1;
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pageId.value = currentPage;
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if (file.type === 'application/pdf') {
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let reader = new FileReader();
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reader.onload = function(ev) {
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let typedArray = new Uint8Array(reader.result);
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pdfjsLib.GlobalWorkerOptions.workerSrc = './pdfjs-legacy/pdf.worker.mjs'
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pdfjsLib.getDocument(typedArray).promise.then(function(pdf) {
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pdfDoc = pdf;
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totalPages = pdf.numPages;
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renderPage(currentPage);
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});
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};
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reader.readAsArrayBuffer(file);
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}
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}
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});
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function renderPageFromFile(file) {
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if (file.type === 'application/pdf') {
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let reader = new FileReader();
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reader.onload = function (ev) {
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let typedArray = new Uint8Array(reader.result);
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pdfjsLib.GlobalWorkerOptions.workerSrc = './pdfjs-legacy/pdf.worker.mjs';
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pdfjsLib.getDocument(typedArray).promise.then(function (pdf) {
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pdfDoc = pdf;
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totalPages = pdf.numPages;
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renderPage(currentPage);
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});
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pageId.value = currentPage;
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};
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reader.readAsArrayBuffer(file);
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document.getElementById("pagination-button-container").style.display = "flex";
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document.getElementById("instruction-text").style.display = "block";
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}
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}
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window.addEventListener("resize", function() {
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clearTimeout(timeId);
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timeId = setTimeout(function () {
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if (fileInput.files.length == 0) return;
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let canvasesContainer = document.getElementById('canvasesContainer');
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let containerRect = canvasesContainer.getBoundingClientRect();
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context.clearRect(0, 0, pdfCanvas.width, pdfCanvas.height);
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overlayContext.clearRect(0, 0, overlayCanvas.width, overlayCanvas.height);
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pdfCanvas.width = containerRect.width;
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pdfCanvas.height = containerRect.height;
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overlayCanvas.width = containerRect.width;
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overlayCanvas.height = containerRect.height;
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let file = fileInput.files[0];
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renderPageFromFile(file);
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}, 1000);
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});
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fileInput.addEventListener('change', function(e) {
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canvasesContainer.style.display = "block"; // set for visual purposes
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file = e.target.files[0];
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renderPageFromFile(file);
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});
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function renderPage(pageNumber) {
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pdfDoc.getPage(pageNumber).then(function(page) {
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let viewport = page.getViewport({ scale: 1.0 });
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pdfCanvas.width = viewport.width;
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pdfCanvas.height = viewport.height;
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overlayCanvas.width = viewport.width; // Match overlay canvas size with PDF canvas
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overlayCanvas.height = viewport.height;
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let renderContext = { canvasContext: context, viewport: viewport };
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page.render(renderContext);
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pdfCanvas.classList.add("shadow-canvas");
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});
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}
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</script>
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</div>
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</div>
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</div>
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</div>
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<th:block th:insert="~{fragments/footer.html :: footer}"></th:block>
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</div>
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</body>
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</html> |