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9 |
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10 | (function (root, factory) {
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11 | if (typeof define === "function" && define.amd) {
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12 |
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13 | define([], factory);
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14 | } else if (typeof module === "object" && module.exports) {
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15 |
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16 |
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17 |
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18 | module.exports = factory();
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19 | } else {
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20 |
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21 | root.PDFObject = factory();
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22 | }
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23 | }(this, function () {
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24 |
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25 | "use strict";
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26 |
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27 |
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28 |
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29 |
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30 |
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31 | if( window === undefined ||
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32 | window.navigator === undefined ||
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33 | window.navigator.userAgent === undefined ||
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34 | window.navigator.mimeTypes === undefined){
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35 | return false;
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36 | }
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37 |
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38 | let pdfobjectversion = "2.2.2";
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39 | let nav = window.navigator;
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40 | let ua = window.navigator.userAgent;
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41 |
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42 |
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43 |
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44 | |
45 |
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46 |
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47 |
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48 |
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49 |
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50 |
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51 | let isIE = ("ActiveXObject" in window);
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52 |
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53 | |
54 |
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55 |
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56 |
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57 |
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58 | let isModernBrowser = (window.Promise !== undefined);
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59 |
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60 |
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61 | let supportsPdfMimeType = (nav.mimeTypes["application/pdf"] !== undefined);
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62 |
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63 |
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64 | let isSafariIOSDesktopMode = ( nav.platform !== undefined &&
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65 | nav.platform === "MacIntel" &&
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66 | nav.maxTouchPoints !== undefined &&
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67 | nav.maxTouchPoints > 1 );
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68 |
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69 |
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70 | let isMobileDevice = (isSafariIOSDesktopMode || /Mobi|Tablet|Android|iPad|iPhone/.test(ua));
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71 |
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72 |
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73 | let isSafariDesktop = ( !isMobileDevice &&
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74 | nav.vendor !== undefined &&
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75 | /Apple/.test(nav.vendor) &&
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76 | /Safari/.test(ua) );
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77 |
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78 |
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79 | let isFirefoxWithPDFJS = (!isMobileDevice && /irefox/.test(ua)) ? (parseInt(ua.split("rv:")[1].split(".")[0], 10) > 18) : false;
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80 |
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81 |
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82 | |
83 |
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84 |
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85 |
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86 | let createAXO = function (type){
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87 | var ax;
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88 | try {
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89 | ax = new ActiveXObject(type);
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90 | } catch (e) {
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91 | ax = null;
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92 | }
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93 | return ax;
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94 | };
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95 |
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96 |
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97 |
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98 | let supportsPdfActiveX = function (){ return !!(createAXO("AcroPDF.PDF") || createAXO("PDF.PdfCtrl")); };
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99 |
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100 |
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101 | let supportsPDFs = (
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102 |
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103 | !isMobileDevice && (
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104 |
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105 | isFirefoxWithPDFJS ||
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106 |
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107 | supportsPdfMimeType ||
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108 |
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109 | (isIE && supportsPdfActiveX())
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110 | )
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111 | );
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112 |
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113 |
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114 | let buildURLFragmentString = function(pdfParams){
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115 |
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116 | let string = "";
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117 | let prop;
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118 |
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119 | if(pdfParams){
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120 |
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121 | for (prop in pdfParams) {
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122 | if (pdfParams.hasOwnProperty(prop)) {
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123 | string += encodeURIComponent(prop) + "=" + encodeURIComponent(pdfParams[prop]) + "&";
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124 | }
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125 | }
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126 |
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127 |
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128 | if(string){
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129 |
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130 | string = "#" + string;
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131 |
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132 |
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133 | string = string.slice(0, string.length - 1);
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134 |
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135 | }
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136 |
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137 | }
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138 |
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139 | return string;
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140 |
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141 | };
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142 |
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143 | let embedError = function (msg, suppressConsole){
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144 | if(!suppressConsole){
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145 | console.log("[PDFObject] " + msg);
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146 | }
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147 | return false;
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148 | };
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149 |
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150 | let emptyNodeContents = function (node){
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151 | while(node.firstChild){
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152 | node.removeChild(node.firstChild);
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153 | }
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154 | };
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155 |
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156 | let getTargetElement = function (targetSelector){
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157 |
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158 |
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159 | let targetNode = document.body;
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160 |
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161 |
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162 |
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163 |
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164 | if(typeof targetSelector === "string"){
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165 |
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166 |
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167 | targetNode = document.querySelector(targetSelector);
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168 |
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169 | } else if (window.jQuery !== undefined && targetSelector instanceof jQuery && targetSelector.length) {
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170 |
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171 |
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172 | targetNode = targetSelector.get(0);
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173 |
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174 | } else if (targetSelector.nodeType !== undefined && targetSelector.nodeType === 1){
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175 |
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176 |
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177 | targetNode = targetSelector;
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178 |
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179 | }
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180 |
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181 | return targetNode;
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182 |
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183 | };
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184 |
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185 | let generatePDFJSMarkup = function (targetNode, url, pdfOpenFragment, PDFJS_URL, id, omitInlineStyles){
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186 |
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187 |
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188 | emptyNodeContents(targetNode);
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189 |
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190 | let fullURL = PDFJS_URL + "?file=" + encodeURIComponent(url) + pdfOpenFragment;
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191 | let div = document.createElement("div");
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192 | let iframe = document.createElement("iframe");
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193 |
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194 | iframe.src = fullURL;
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195 | iframe.className = "pdfobject";
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196 | iframe.type = "application/pdf";
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197 | iframe.frameborder = "0";
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198 |
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199 | if(id){
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200 | iframe.id = id;
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201 | }
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202 |
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203 | if(!omitInlineStyles){
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204 | div.style.cssText = "position: absolute; top: 0; right: 0; bottom: 0; left: 0;";
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205 | iframe.style.cssText = "border: none; width: 100%; height: 100%;";
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206 | targetNode.style.position = "relative";
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207 | targetNode.style.overflow = "auto";
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208 | }
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209 |
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210 | div.appendChild(iframe);
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211 | targetNode.appendChild(div);
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212 | targetNode.classList.add("pdfobject-container");
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213 |
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214 | return targetNode.getElementsByTagName("iframe")[0];
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215 |
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216 | };
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217 |
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218 | let generatePDFObjectMarkup = function (embedType, targetNode, targetSelector, url, pdfOpenFragment, width, height, id, omitInlineStyles){
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219 |
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220 |
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221 | emptyNodeContents(targetNode);
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222 |
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223 | let embed = document.createElement(embedType);
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224 | embed.src = url + pdfOpenFragment;
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225 | embed.className = "pdfobject";
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226 | embed.type = "application/pdf";
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227 |
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228 | if(id){
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229 | embed.id = id;
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230 | }
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231 |
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232 | if(!omitInlineStyles){
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233 |
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234 | let style = (embedType === "embed") ? "overflow: auto;" : "border: none;";
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235 |
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236 | if(targetSelector && targetSelector !== document.body){
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237 | style += "width: " + width + "; height: " + height + ";";
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238 | } else {
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239 | style += "position: absolute; top: 0; right: 0; bottom: 0; left: 0; width: 100%; height: 100%;";
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240 | }
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241 |
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242 | embed.style.cssText = style;
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243 |
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244 | }
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245 |
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246 | targetNode.classList.add("pdfobject-container");
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247 | targetNode.appendChild(embed);
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248 |
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249 | return targetNode.getElementsByTagName(embedType)[0];
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250 |
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251 | };
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252 |
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253 | let embed = function(url, targetSelector, options){
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254 |
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255 |
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256 | let selector = targetSelector || false;
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257 |
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258 |
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259 | let opt = options || {};
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260 |
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261 |
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262 | let id = (typeof opt.id === "string") ? opt.id : "";
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263 | let page = opt.page || false;
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264 | let pdfOpenParams = opt.pdfOpenParams || {};
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265 | let fallbackLink = opt.fallbackLink || true;
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266 | let width = opt.width || "100%";
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267 | let height = opt.height || "100%";
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268 | let assumptionMode = (typeof opt.assumptionMode === "boolean") ? opt.assumptionMode : true;
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269 | let forcePDFJS = (typeof opt.forcePDFJS === "boolean") ? opt.forcePDFJS : false;
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270 | let supportRedirect = (typeof opt.supportRedirect === "boolean") ? opt.supportRedirect : false;
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271 | let omitInlineStyles = (typeof opt.omitInlineStyles === "boolean") ? opt.omitInlineStyles : false;
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272 | let suppressConsole = (typeof opt.suppressConsole === "boolean") ? opt.suppressConsole : false;
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273 | let forceIframe = (typeof opt.forceIframe === "boolean") ? opt.forceIframe : false;
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274 | let PDFJS_URL = opt.PDFJS_URL || false;
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275 | let targetNode = getTargetElement(selector);
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276 | let fallbackHTML = "";
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277 | let pdfOpenFragment = "";
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278 | let fallbackHTML_default = "<p>This browser does not support inline PDFs. Please download the PDF to view it: <a href='[url]'>Download PDF</a></p>";
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279 |
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280 |
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281 | if(typeof url !== "string"){ return embedError("URL is not valid", suppressConsole); }
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282 |
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283 |
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284 | if(!targetNode){ return embedError("Target element cannot be determined", suppressConsole); }
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285 |
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286 |
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287 | if(page){ pdfOpenParams.page = page; }
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288 |
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289 |
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290 | pdfOpenFragment = buildURLFragmentString(pdfOpenParams);
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291 |
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292 |
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293 |
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294 |
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295 |
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296 | if(forcePDFJS && PDFJS_URL){
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297 | return generatePDFJSMarkup(targetNode, url, pdfOpenFragment, PDFJS_URL, id, omitInlineStyles);
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298 | }
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299 |
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300 |
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301 |
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302 |
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303 |
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304 | if(supportsPDFs || (assumptionMode && isModernBrowser && !isMobileDevice)){
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305 |
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306 |
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307 |
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308 |
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309 |
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310 | let embedtype = (forceIframe || (supportRedirect && isSafariDesktop)) ? "iframe" : "embed";
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311 |
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312 | return generatePDFObjectMarkup(embedtype, targetNode, targetSelector, url, pdfOpenFragment, width, height, id, omitInlineStyles);
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313 |
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314 | }
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315 |
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316 |
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317 |
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318 |
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319 | if(PDFJS_URL){
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320 | return generatePDFJSMarkup(targetNode, url, pdfOpenFragment, PDFJS_URL, id, omitInlineStyles);
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321 | }
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322 |
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323 |
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324 |
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325 |
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326 | if(fallbackLink){
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327 |
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328 | fallbackHTML = (typeof fallbackLink === "string") ? fallbackLink : fallbackHTML_default;
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329 | targetNode.innerHTML = fallbackHTML.replace(/\[url\]/g, url);
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330 |
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331 | }
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332 |
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333 | return embedError("This browser does not support embedded PDFs", suppressConsole);
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334 |
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335 | };
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336 |
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337 | return {
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338 | embed: function (a,b,c){ return embed(a,b,c); },
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339 | pdfobjectversion: (function () { return pdfobjectversion; })(),
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340 | supportsPDFs: (function (){ return supportsPDFs; })()
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341 | };
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342 |
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343 | }));
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