Making all examples adhere to the style guide
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@ -13,16 +13,18 @@ function setupForm(div, content, viewport) {
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function bindInputItem(input, item) {
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if (input.name in formFields) {
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var value = formFields[input.name];
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if (input.type == 'checkbox')
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if (input.type == 'checkbox') {
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input.checked = value;
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else if (!input.type || input.type == 'text')
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} else if (!input.type || input.type == 'text') {
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input.value = value;
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}
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}
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input.onchange = function pageViewSetupInputOnBlur() {
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if (input.type == 'checkbox')
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if (input.type == 'checkbox') {
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formFields[input.name] = input.checked;
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else if (!input.type || input.type == 'text')
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} else if (!input.type || input.type == 'text') {
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formFields[input.name] = input.value;
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}
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};
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}
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function createElementWithStyle(tagName, item) {
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@ -61,8 +63,9 @@ function setupForm(div, content, viewport) {
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switch (item.subtype) {
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case 'Widget':
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if (item.fieldType != 'Tx' && item.fieldType != 'Btn' &&
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item.fieldType != 'Ch')
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item.fieldType != 'Ch') {
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break;
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}
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var inputDiv = createElementWithStyle('div', item);
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inputDiv.className = 'inputHint';
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div.appendChild(inputDiv);
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@ -119,7 +122,6 @@ function renderPage(div, pdf, pageNumber, callback) {
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canvas.height = pageDisplayHeight;
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pageDivHolder.appendChild(canvas);
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// Render PDF page into canvas context
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var renderContext = {
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canvasContext: context,
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@ -141,8 +143,9 @@ PDFJS.getDocument(pdfWithFormsPath).then(function getPdfForm(pdf) {
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var viewer = document.getElementById('viewer');
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var pageNumber = 1;
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renderPage(viewer, pdf, pageNumber++, function pageRenderingComplete() {
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if (pageNumber > pdf.numPages)
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if (pageNumber > pdf.numPages) {
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return; // All pages rendered
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}
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// Continue rendering of the next page
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renderPage(viewer, pdf, pageNumber++, pageRenderingComplete);
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});
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@ -1,21 +1,19 @@
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//Minimal PDF rendering and text-selection example using pdf.js by Vivin Suresh Paliath (http://vivin.net)
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//This example uses a built version of pdf.js that contains all modules that it requires.
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// Minimal PDF rendering and text-selection example using PDF.js by Vivin Suresh Paliath (http://vivin.net)
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// This example uses a built version of PDF.js that contains all modules that it requires.
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//
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// The problem with understanding text selection was that the text selection code has heavily intertwined
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// with viewer.html and viewer.js. I have extracted the parts I need out of viewer.js into a separate file
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// which contains the bare minimum required to implement text selection. The key component is TextLayerBuilder,
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// which is the object that handles the creation of text-selection divs. I have added this code as an external
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// resource.
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//
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//The problem with understanding text selection was that the text selection code has heavily intertwined
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//with viewer.html and viewer.js. I have extracted the parts I need out of viewer.js into a separate file
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//which contains the bare minimum required to implement text selection. The key component is TextLayerBuilder,
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//which is the object that handles the creation of text-selection divs. I have added this code as an external
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//resource.
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// This demo uses a PDF that only has one page. You can render other pages if you wish, but the focus here is
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// just to show you how you can render a PDF with text selection. Hence the code only loads up one page.
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//
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//This demo uses a PDF that only has one page. You can render other pages if you wish, but the focus here is
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//just to show you how you can render a PDF with text selection. Hence the code only loads up one page.
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//
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//The CSS used here is also very important since it sets up the CSS for the text layer divs overlays that
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//you actually end up selecting.
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// The CSS used here is also very important since it sets up the CSS for the text layer divs overlays that
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// you actually end up selecting.
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window.onload = function () {
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var scale = 1.5; //Set this to whatever you want. This is basically the "zoom" factor for the PDF.
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PDFJS.workerSrc = '../../src/worker_loader.js';
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@ -32,13 +30,13 @@ window.onload = function () {
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var viewport = page.getViewport(scale);
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var $canvas = jQuery("<canvas></canvas>");
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//Set the canvas height and width to the height and width of the viewport
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// Set the canvas height and width to the height and width of the viewport
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var canvas = $canvas.get(0);
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var context = canvas.getContext("2d");
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canvas.height = viewport.height;
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canvas.width = viewport.width;
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//Append the canvas to the pdf container div
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// Append the canvas to the pdf container div
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var $pdfContainer = jQuery("#pdfContainer");
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$pdfContainer.css("height", canvas.height + "px").css("width", canvas.width + "px");
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$pdfContainer.append($canvas);
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@ -53,7 +51,7 @@ window.onload = function () {
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left: canvasOffset.left
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});
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//The following few lines of code set up scaling on the context if we are on a HiDPI display
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// The following few lines of code set up scaling on the context if we are on a HiDPI display
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var outputScale = getOutputScale(context);
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if (outputScale.scaled) {
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var cssScale = 'scale(' + (1 / outputScale.sx) + ', ' +
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@ -76,12 +74,10 @@ window.onload = function () {
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$pdfContainer.append($textLayerDiv);
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page.getTextContent().then(function (textContent) {
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var textLayer = new TextLayerBuilder({
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textLayerDiv: $textLayerDiv.get(0),
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pageIndex: 0
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});
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textLayer.setTextContent(textContent);
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var renderContext = {
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