refactor: normalize files
This commit is contained in:
sbplat
@@ -73,7 +73,7 @@ class DragDropManager {
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stopDraggingPage() {
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window.removeEventListener('mousemove', this.onDragEl);
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this.wrapper.classList.remove('drag-manager_dragging-container');
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this.wrapper.removeChild(this.endInsertionElement);
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this.wrapper.removeChild(this.endInsertionElement);
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window.removeEventListener('mouseup', this.stopDraggingPage)
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this.draggedImageEl = undefined;
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this.pageDragging = false;
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@@ -1,5 +1,5 @@
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class PdfActionsManager {
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pageDirection;
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pageDirection;
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pagesContainer;
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constructor(id) {
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@@ -23,7 +23,7 @@ class PdfActionsManager {
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moveUpButtonCallback(e) {
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var imgContainer = this.getPageContainer(e.target);
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const sibling = imgContainer.previousSibling;
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if (sibling) {
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this.movePageTo(imgContainer, sibling, true);
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@@ -41,14 +41,14 @@ class PdfActionsManager {
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rotateCCWButtonCallback(e) {
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var imgContainer = this.getPageContainer(e.target);
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const img = imgContainer.querySelector("img");
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this.rotateElement(img, -90)
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};
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rotateCWButtonCallback(e) {
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var imgContainer = this.getPageContainer(e.target);
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const img = imgContainer.querySelector("img");
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this.rotateElement(img, 90)
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};
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@@ -93,7 +93,7 @@ class PdfActionsManager {
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const buttonContainer = document.createElement('div');
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buttonContainer.classList.add("pdf-actions_button-container", "hide-on-drag");
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const moveUp = document.createElement('button');
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moveUp.classList.add("pdf-actions_move-left-button","btn", "btn-secondary");
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moveUp.innerHTML = `<i class="bi bi-arrow-${leftDirection}-short"></i>`;
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@@ -105,7 +105,7 @@ class PdfActionsManager {
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moveDown.innerHTML = `<i class="bi bi-arrow-${rightDirection}-short"></i>`;
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moveDown.onclick = this.moveDownButtonCallback;
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buttonContainer.appendChild(moveDown);
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const rotateCCW = document.createElement('button');
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rotateCCW.classList.add("btn", "btn-secondary");
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rotateCCW.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-arrow-counterclockwise" viewBox="0 0 16 16">
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@@ -136,12 +136,12 @@ class PdfActionsManager {
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div.appendChild(buttonContainer);
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const insertFileButtonContainer = document.createElement('div');
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insertFileButtonContainer.classList.add(
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"pdf-actions_insert-file-button-container",
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leftDirection,
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`align-center-${leftDirection}`);
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const insertFileButton = document.createElement('button');
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insertFileButton.classList.add("btn", "btn-primary", "pdf-actions_insert-file-button");
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insertFileButton.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-file-earmark-plus" viewBox="0 0 16 16">
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@@ -150,16 +150,16 @@ class PdfActionsManager {
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</svg>`;
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insertFileButton.onclick = this.insertFileButtonCallback;
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insertFileButtonContainer.appendChild(insertFileButton);
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div.appendChild(insertFileButtonContainer);
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// add this button to every element, but only show it on the last one :D
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const insertFileButtonRightContainer = document.createElement('div');
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insertFileButtonRightContainer.classList.add(
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"pdf-actions_insert-file-button-container",
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rightDirection,
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`align-center-${rightDirection}`);
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const insertFileButtonRight = document.createElement('button');
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insertFileButtonRight.classList.add("btn", "btn-primary", "pdf-actions_insert-file-button");
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insertFileButtonRight.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-file-earmark-plus" viewBox="0 0 16 16">
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@@ -1,285 +1,285 @@
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class PdfContainer {
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fileName;
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pagesContainer;
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pagesContainerWrapper;
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pdfAdapters;
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downloadLink;
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constructor(id, wrapperId, pdfAdapters) {
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this.pagesContainer = document.getElementById(id)
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this.pagesContainerWrapper = document.getElementById(wrapperId);
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this.downloadLink = null;
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this.movePageTo = this.movePageTo.bind(this);
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this.addPdfs = this.addPdfs.bind(this);
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this.addPdfsFromFiles = this.addPdfsFromFiles.bind(this);
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this.rotateElement = this.rotateElement.bind(this);
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this.rotateAll = this.rotateAll.bind(this);
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this.exportPdf = this.exportPdf.bind(this);
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this.updateFilename = this.updateFilename.bind(this);
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this.setDownloadAttribute = this.setDownloadAttribute.bind(this);
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this.preventIllegalChars = this.preventIllegalChars.bind(this);
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this.pdfAdapters = pdfAdapters;
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this.pdfAdapters.forEach(adapter => {
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adapter.setActions({
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movePageTo: this.movePageTo,
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addPdfs: this.addPdfs,
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rotateElement: this.rotateElement,
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updateFilename: this.updateFilename
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})
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})
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window.addPdfs = this.addPdfs;
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window.exportPdf = this.exportPdf;
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window.rotateAll = this.rotateAll;
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const filenameInput = document.getElementById('filename-input');
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const downloadBtn = document.getElementById('export-button');
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filenameInput.onkeyup = this.updateFilename;
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filenameInput.onkeydown = this.preventIllegalChars;
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filenameInput.disabled = false;
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filenameInput.innerText = "";
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downloadBtn.disabled = true;
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}
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movePageTo(startElement, endElement, scrollTo = false) {
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const childArray = Array.from(this.pagesContainer.childNodes);
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const startIndex = childArray.indexOf(startElement);
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const endIndex = childArray.indexOf(endElement);
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this.pagesContainer.removeChild(startElement);
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if(!endElement) {
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this.pagesContainer.append(startElement);
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} else {
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this.pagesContainer.insertBefore(startElement, endElement);
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}
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if(scrollTo) {
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const { width } = startElement.getBoundingClientRect();
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const vector = (endIndex !== -1 && startIndex > endIndex)
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? 0-width
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: width;
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this.pagesContainerWrapper.scroll({
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left: this.pagesContainerWrapper.scrollLeft + vector,
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})
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}
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}
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addPdfs(nextSiblingElement) {
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var input = document.createElement('input');
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input.type = 'file';
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input.multiple = true;
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input.setAttribute("accept", "application/pdf");
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input.onchange = async(e) => {
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const files = e.target.files;
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this.addPdfsFromFiles(files, nextSiblingElement);
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this.updateFilename(files ? files[0].name : "");
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}
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input.click();
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}
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async addPdfsFromFiles(files, nextSiblingElement) {
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this.fileName = files[0].name;
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for (var i=0; i < files.length; i++) {
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await this.addPdfFile(files[i], nextSiblingElement);
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}
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document.querySelectorAll(".enable-on-file").forEach(element => {
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element.disabled = false;
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});
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}
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rotateElement(element, deg) {
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var lastTransform = element.style.rotate;
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if (!lastTransform) {
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lastTransform = "0";
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}
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const lastAngle = parseInt(lastTransform.replace(/[^\d-]/g, ''));
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const newAngle = lastAngle + deg;
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element.style.rotate = newAngle + "deg";
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}
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async addPdfFile(file, nextSiblingElement) {
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const { renderer, pdfDocument } = await this.loadFile(file);
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for (var i=0; i < renderer.pageCount; i++) {
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const div = document.createElement('div');
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div.classList.add("page-container");
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var img = document.createElement('img');
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img.classList.add('page-image')
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const imageSrc = await renderer.renderPage(i)
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img.src = imageSrc;
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img.pageIdx = i;
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img.rend = renderer;
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img.doc = pdfDocument;
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div.appendChild(img);
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this.pdfAdapters.forEach((adapter) => {
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adapter.adapt?.(div)
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})
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if (nextSiblingElement) {
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this.pagesContainer.insertBefore(div, nextSiblingElement);
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} else {
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this.pagesContainer.appendChild(div);
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}
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}
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}
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async loadFile(file) {
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var objectUrl = URL.createObjectURL(file);
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var pdfDocument = await this.toPdfLib(objectUrl);
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var renderer = await this.toRenderer(objectUrl);
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return { renderer, pdfDocument };
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}
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async toRenderer(objectUrl) {
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pdfjsLib.GlobalWorkerOptions.workerSrc = 'pdfjs/pdf.worker.js'
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const pdf = await pdfjsLib.getDocument(objectUrl).promise;
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return {
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document: pdf,
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pageCount: pdf.numPages,
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renderPage: async function(pageIdx) {
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const page = await this.document.getPage(pageIdx+1);
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const canvas = document.createElement("canvas");
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// set the canvas size to the size of the page
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if (page.rotate == 90 || page.rotate == 270) {
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canvas.width = page.view[3];
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canvas.height = page.view[2];
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} else {
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canvas.width = page.view[2];
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canvas.height = page.view[3];
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}
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// render the page onto the canvas
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var renderContext = {
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canvasContext: canvas.getContext("2d"),
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viewport: page.getViewport({ scale: 1 })
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};
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await page.render(renderContext).promise;
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return canvas.toDataURL();
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}
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};
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}
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async toPdfLib(objectUrl) {
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const existingPdfBytes = await fetch(objectUrl).then(res => res.arrayBuffer());
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const pdfDoc = await PDFLib.PDFDocument.load(existingPdfBytes, { ignoreEncryption: true });
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return pdfDoc;
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}
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rotateAll(deg) {
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for (var i=0; i<this.pagesContainer.childNodes.length; i++) {
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const img = this.pagesContainer.childNodes[i].querySelector("img");
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if (!img) continue;
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this.rotateElement(img, deg)
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}
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}
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async exportPdf() {
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const pdfDoc = await PDFLib.PDFDocument.create();
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const pageContainers = this.pagesContainer.querySelectorAll('.page-container'); // Select all .page-container elements
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for (var i = 0; i < pageContainers.length; i++) {
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const img = pageContainers[i].querySelector("img"); // Find the img element within each .page-container
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if (!img) continue;
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const pages = await pdfDoc.copyPages(img.doc, [img.pageIdx])
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const page = pages[0];
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const rotation = img.style.rotate;
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if (rotation) {
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const rotationAngle = parseInt(rotation.replace(/[^\d-]/g, ''));
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page.setRotation(PDFLib.degrees(page.getRotation().angle + rotationAngle))
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}
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pdfDoc.addPage(page);
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}
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const pdfBytes = await pdfDoc.save();
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const pdfBlob = new Blob([pdfBytes], { type: 'application/pdf' });
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const url = URL.createObjectURL(pdfBlob);
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const downloadOption = localStorage.getItem('downloadOption');
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const filenameInput = document.getElementById('filename-input');
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let inputArr = filenameInput.value.split('.');
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if (inputArr !== null && inputArr !== undefined && inputArr.length > 0) {
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inputArr = inputArr.filter(n => n); // remove all empty strings, nulls or undefined
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if (inputArr.length > 1) {
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inputArr.pop(); // remove right part after last dot
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}
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filenameInput.value = inputArr.join('');
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this.fileName = filenameInput.value;
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}
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if (!filenameInput.value.includes('.pdf')) {
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filenameInput.value = filenameInput.value + '.pdf';
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this.fileName = filenameInput.value;
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}
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if (downloadOption === 'sameWindow') {
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// Open the file in the same window
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window.location.href = url;
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} else if (downloadOption === 'newWindow') {
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// Open the file in a new window
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window.open(url, '_blank');
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} else {
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// Download the file
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this.downloadLink = document.createElement('a');
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this.downloadLink.id = 'download-link';
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this.downloadLink.href = url;
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// downloadLink.download = this.fileName ? this.fileName : 'managed.pdf';
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// downloadLink.download = this.fileName;
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this.downloadLink.setAttribute('download', this.fileName ? this.fileName : 'managed.pdf');
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this.downloadLink.setAttribute('target', '_blank');
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this.downloadLink.onclick = this.setDownloadAttribute;
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this.downloadLink.click();
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}
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}
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setDownloadAttribute() {
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this.downloadLink.setAttribute("download", this.fileName ? this.fileName : 'managed.pdf');
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}
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updateFilename(fileName = "") {
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const filenameInput = document.getElementById('filename-input');
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const pagesContainer = document.getElementById('pages-container');
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const downloadBtn = document.getElementById('export-button');
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downloadBtn.disabled = pagesContainer.childElementCount === 0
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if (!this.fileName) {
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this.fileName = fileName;
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}
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if (!filenameInput.value) {
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filenameInput.value = this.fileName;
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}
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}
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preventIllegalChars(e) {
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// const filenameInput = document.getElementById('filename-input');
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//
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// filenameInput.value = filenameInput.value.replace('.pdf', '');
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//
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// // prevent .
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// if (filenameInput.value.includes('.')) {
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// filenameInput.value.replace('.','');
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// }
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}
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}
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export default PdfContainer;
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class PdfContainer {
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fileName;
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pagesContainer;
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pagesContainerWrapper;
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pdfAdapters;
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downloadLink;
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constructor(id, wrapperId, pdfAdapters) {
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this.pagesContainer = document.getElementById(id)
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this.pagesContainerWrapper = document.getElementById(wrapperId);
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this.downloadLink = null;
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this.movePageTo = this.movePageTo.bind(this);
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this.addPdfs = this.addPdfs.bind(this);
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this.addPdfsFromFiles = this.addPdfsFromFiles.bind(this);
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this.rotateElement = this.rotateElement.bind(this);
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this.rotateAll = this.rotateAll.bind(this);
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this.exportPdf = this.exportPdf.bind(this);
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this.updateFilename = this.updateFilename.bind(this);
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this.setDownloadAttribute = this.setDownloadAttribute.bind(this);
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this.preventIllegalChars = this.preventIllegalChars.bind(this);
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this.pdfAdapters = pdfAdapters;
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this.pdfAdapters.forEach(adapter => {
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adapter.setActions({
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movePageTo: this.movePageTo,
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addPdfs: this.addPdfs,
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rotateElement: this.rotateElement,
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updateFilename: this.updateFilename
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})
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})
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window.addPdfs = this.addPdfs;
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window.exportPdf = this.exportPdf;
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window.rotateAll = this.rotateAll;
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const filenameInput = document.getElementById('filename-input');
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const downloadBtn = document.getElementById('export-button');
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filenameInput.onkeyup = this.updateFilename;
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filenameInput.onkeydown = this.preventIllegalChars;
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filenameInput.disabled = false;
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filenameInput.innerText = "";
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downloadBtn.disabled = true;
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}
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movePageTo(startElement, endElement, scrollTo = false) {
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const childArray = Array.from(this.pagesContainer.childNodes);
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const startIndex = childArray.indexOf(startElement);
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const endIndex = childArray.indexOf(endElement);
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this.pagesContainer.removeChild(startElement);
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if(!endElement) {
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this.pagesContainer.append(startElement);
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} else {
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this.pagesContainer.insertBefore(startElement, endElement);
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}
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if(scrollTo) {
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const { width } = startElement.getBoundingClientRect();
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const vector = (endIndex !== -1 && startIndex > endIndex)
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? 0-width
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: width;
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this.pagesContainerWrapper.scroll({
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left: this.pagesContainerWrapper.scrollLeft + vector,
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})
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}
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}
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addPdfs(nextSiblingElement) {
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var input = document.createElement('input');
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input.type = 'file';
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input.multiple = true;
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input.setAttribute("accept", "application/pdf");
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input.onchange = async(e) => {
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const files = e.target.files;
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this.addPdfsFromFiles(files, nextSiblingElement);
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this.updateFilename(files ? files[0].name : "");
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}
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input.click();
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}
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async addPdfsFromFiles(files, nextSiblingElement) {
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this.fileName = files[0].name;
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for (var i=0; i < files.length; i++) {
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await this.addPdfFile(files[i], nextSiblingElement);
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}
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document.querySelectorAll(".enable-on-file").forEach(element => {
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element.disabled = false;
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});
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}
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rotateElement(element, deg) {
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var lastTransform = element.style.rotate;
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if (!lastTransform) {
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lastTransform = "0";
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}
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const lastAngle = parseInt(lastTransform.replace(/[^\d-]/g, ''));
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const newAngle = lastAngle + deg;
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|
||||
element.style.rotate = newAngle + "deg";
|
||||
}
|
||||
|
||||
async addPdfFile(file, nextSiblingElement) {
|
||||
const { renderer, pdfDocument } = await this.loadFile(file);
|
||||
|
||||
for (var i=0; i < renderer.pageCount; i++) {
|
||||
const div = document.createElement('div');
|
||||
|
||||
div.classList.add("page-container");
|
||||
|
||||
var img = document.createElement('img');
|
||||
img.classList.add('page-image')
|
||||
const imageSrc = await renderer.renderPage(i)
|
||||
img.src = imageSrc;
|
||||
img.pageIdx = i;
|
||||
img.rend = renderer;
|
||||
img.doc = pdfDocument;
|
||||
div.appendChild(img);
|
||||
|
||||
this.pdfAdapters.forEach((adapter) => {
|
||||
adapter.adapt?.(div)
|
||||
})
|
||||
if (nextSiblingElement) {
|
||||
this.pagesContainer.insertBefore(div, nextSiblingElement);
|
||||
} else {
|
||||
this.pagesContainer.appendChild(div);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
async loadFile(file) {
|
||||
var objectUrl = URL.createObjectURL(file);
|
||||
var pdfDocument = await this.toPdfLib(objectUrl);
|
||||
var renderer = await this.toRenderer(objectUrl);
|
||||
return { renderer, pdfDocument };
|
||||
}
|
||||
|
||||
async toRenderer(objectUrl) {
|
||||
pdfjsLib.GlobalWorkerOptions.workerSrc = 'pdfjs/pdf.worker.js'
|
||||
const pdf = await pdfjsLib.getDocument(objectUrl).promise;
|
||||
return {
|
||||
document: pdf,
|
||||
pageCount: pdf.numPages,
|
||||
renderPage: async function(pageIdx) {
|
||||
const page = await this.document.getPage(pageIdx+1);
|
||||
|
||||
const canvas = document.createElement("canvas");
|
||||
|
||||
// set the canvas size to the size of the page
|
||||
if (page.rotate == 90 || page.rotate == 270) {
|
||||
canvas.width = page.view[3];
|
||||
canvas.height = page.view[2];
|
||||
} else {
|
||||
canvas.width = page.view[2];
|
||||
canvas.height = page.view[3];
|
||||
}
|
||||
|
||||
// render the page onto the canvas
|
||||
var renderContext = {
|
||||
canvasContext: canvas.getContext("2d"),
|
||||
viewport: page.getViewport({ scale: 1 })
|
||||
};
|
||||
|
||||
await page.render(renderContext).promise;
|
||||
return canvas.toDataURL();
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
async toPdfLib(objectUrl) {
|
||||
const existingPdfBytes = await fetch(objectUrl).then(res => res.arrayBuffer());
|
||||
const pdfDoc = await PDFLib.PDFDocument.load(existingPdfBytes, { ignoreEncryption: true });
|
||||
return pdfDoc;
|
||||
}
|
||||
|
||||
|
||||
|
||||
rotateAll(deg) {
|
||||
for (var i=0; i<this.pagesContainer.childNodes.length; i++) {
|
||||
const img = this.pagesContainer.childNodes[i].querySelector("img");
|
||||
if (!img) continue;
|
||||
this.rotateElement(img, deg)
|
||||
}
|
||||
}
|
||||
|
||||
async exportPdf() {
|
||||
const pdfDoc = await PDFLib.PDFDocument.create();
|
||||
const pageContainers = this.pagesContainer.querySelectorAll('.page-container'); // Select all .page-container elements
|
||||
for (var i = 0; i < pageContainers.length; i++) {
|
||||
const img = pageContainers[i].querySelector("img"); // Find the img element within each .page-container
|
||||
if (!img) continue;
|
||||
const pages = await pdfDoc.copyPages(img.doc, [img.pageIdx])
|
||||
const page = pages[0];
|
||||
|
||||
const rotation = img.style.rotate;
|
||||
if (rotation) {
|
||||
const rotationAngle = parseInt(rotation.replace(/[^\d-]/g, ''));
|
||||
page.setRotation(PDFLib.degrees(page.getRotation().angle + rotationAngle))
|
||||
}
|
||||
|
||||
pdfDoc.addPage(page);
|
||||
}
|
||||
const pdfBytes = await pdfDoc.save();
|
||||
const pdfBlob = new Blob([pdfBytes], { type: 'application/pdf' });
|
||||
const url = URL.createObjectURL(pdfBlob);
|
||||
const downloadOption = localStorage.getItem('downloadOption');
|
||||
|
||||
const filenameInput = document.getElementById('filename-input');
|
||||
|
||||
let inputArr = filenameInput.value.split('.');
|
||||
|
||||
if (inputArr !== null && inputArr !== undefined && inputArr.length > 0) {
|
||||
|
||||
inputArr = inputArr.filter(n => n); // remove all empty strings, nulls or undefined
|
||||
|
||||
if (inputArr.length > 1) {
|
||||
inputArr.pop(); // remove right part after last dot
|
||||
}
|
||||
|
||||
filenameInput.value = inputArr.join('');
|
||||
this.fileName = filenameInput.value;
|
||||
}
|
||||
|
||||
if (!filenameInput.value.includes('.pdf')) {
|
||||
filenameInput.value = filenameInput.value + '.pdf';
|
||||
this.fileName = filenameInput.value;
|
||||
}
|
||||
|
||||
if (downloadOption === 'sameWindow') {
|
||||
// Open the file in the same window
|
||||
window.location.href = url;
|
||||
} else if (downloadOption === 'newWindow') {
|
||||
// Open the file in a new window
|
||||
window.open(url, '_blank');
|
||||
} else {
|
||||
// Download the file
|
||||
this.downloadLink = document.createElement('a');
|
||||
this.downloadLink.id = 'download-link';
|
||||
this.downloadLink.href = url;
|
||||
// downloadLink.download = this.fileName ? this.fileName : 'managed.pdf';
|
||||
// downloadLink.download = this.fileName;
|
||||
this.downloadLink.setAttribute('download', this.fileName ? this.fileName : 'managed.pdf');
|
||||
this.downloadLink.setAttribute('target', '_blank');
|
||||
this.downloadLink.onclick = this.setDownloadAttribute;
|
||||
this.downloadLink.click();
|
||||
}
|
||||
}
|
||||
|
||||
setDownloadAttribute() {
|
||||
this.downloadLink.setAttribute("download", this.fileName ? this.fileName : 'managed.pdf');
|
||||
}
|
||||
|
||||
updateFilename(fileName = "") {
|
||||
const filenameInput = document.getElementById('filename-input');
|
||||
const pagesContainer = document.getElementById('pages-container');
|
||||
const downloadBtn = document.getElementById('export-button');
|
||||
|
||||
downloadBtn.disabled = pagesContainer.childElementCount === 0
|
||||
|
||||
if (!this.fileName) {
|
||||
this.fileName = fileName;
|
||||
}
|
||||
|
||||
if (!filenameInput.value) {
|
||||
filenameInput.value = this.fileName;
|
||||
}
|
||||
}
|
||||
|
||||
preventIllegalChars(e) {
|
||||
// const filenameInput = document.getElementById('filename-input');
|
||||
//
|
||||
// filenameInput.value = filenameInput.value.replace('.pdf', '');
|
||||
//
|
||||
// // prevent .
|
||||
// if (filenameInput.value.includes('.')) {
|
||||
// filenameInput.value.replace('.','');
|
||||
// }
|
||||
}
|
||||
}
|
||||
|
||||
export default PdfContainer;
|
||||
|
||||
@@ -17,7 +17,7 @@ const scrollDivHorizontally = (id) => {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
divToScrollHorizontally.addEventListener("wheel", function(e) {
|
||||
e.preventDefault(); // prevent default mousewheel behavior
|
||||
|
||||
|
||||
Reference in New Issue
Block a user