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4 changes: 4 additions & 0 deletions extension/html/question_generation.html
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@
<title>Question Generation- EduAid</title>
<link href='https://fonts.googleapis.com/css?family=Inter' rel='stylesheet'>
<link rel="stylesheet" href="../styles/question_generation.css">
<script src="../js/pdf-lib.js"></script>
<script src="../js/download.js"></script>
</head>

<body>
Expand All @@ -14,9 +16,11 @@ <h1>EduAid</h1>

<main>
<h3>Questions have been generated!</h3>
<textarea id="title-input" placeholder="Paste your title here"></textarea>
<div id="button-container">
<button id="view-questions-button">View</button>
<button id="save-button">Save</button>
<button id="answer-button">Answers</button>
</div>
<dialog data-modal>
<ul id="modal-question-list"></ul>
Expand Down
4 changes: 2 additions & 2 deletions extension/html/text_input.html
Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,9 @@
<title>EduAid: Text Input</title>
<!-- <link href="https://fonts.googleapis.com/css?family=Roboto:400,500" rel="stylesheet">
<link rel="stylesheet" href="./popup.css"> -->
<script src="../pdfjs-3.9.179-dist/build/pdf.js"></script>
<link href='https://fonts.googleapis.com/css?family=Inter' rel='stylesheet'>
<link rel="stylesheet" href="../styles/text_input.css">
<script src = "../js/pdfjsLib.js"></script>
</head>
<body>
<header>
Expand All @@ -30,6 +30,6 @@ <h3>Generate QnA</h3>
</div>
<!-- ****************** -->
</main>
<script src="../js/text_input.js"></script>
<script src="../js/text_input.js"></script>z
</body>
</html>
159 changes: 159 additions & 0 deletions extension/js/download.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,159 @@

(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define([], factory);
} else if (typeof exports === 'object') {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory();
} else {
// Browser globals (root is window)
root.download = factory();
}
}(this, function () {

return function download(data, strFileName, strMimeType) {

var self = window, // this script is only for browsers anyway...
defaultMime = "application/octet-stream", // this default mime also triggers iframe downloads
mimeType = strMimeType || defaultMime,
payload = data,
url = !strFileName && !strMimeType && payload,
anchor = document.createElement("a"),
toString = function(a){return String(a);},
myBlob = (self.Blob || self.MozBlob || self.WebKitBlob || toString),
fileName = strFileName || "download",
blob,
reader;
myBlob= myBlob.call ? myBlob.bind(self) : Blob ;

if(String(this)==="true"){ //reverse arguments, allowing download.bind(true, "text/xml", "export.xml") to act as a callback
payload=[payload, mimeType];
mimeType=payload[0];
payload=payload[1];
}


if(url && url.length< 2048){ // if no filename and no mime, assume a url was passed as the only argument
fileName = url.split("/").pop().split("?")[0];
anchor.href = url; // assign href prop to temp anchor
if(anchor.href.indexOf(url) !== -1){ // if the browser determines that it's a potentially valid url path:
var ajax=new XMLHttpRequest();
ajax.open( "GET", url, true);
ajax.responseType = 'blob';
ajax.onload= function(e){
download(e.target.response, fileName, defaultMime);
};
setTimeout(function(){ ajax.send();}, 0); // allows setting custom ajax headers using the return:
return ajax;
} // end if valid url?
} // end if url?


//go ahead and download dataURLs right away
if(/^data:([\w+-]+\/[\w+.-]+)?[,;]/.test(payload)){

if(payload.length > (1024*1024*1.999) && myBlob !== toString ){
payload=dataUrlToBlob(payload);
mimeType=payload.type || defaultMime;
}else{
return navigator.msSaveBlob ? // IE10 can't do a[download], only Blobs:
navigator.msSaveBlob(dataUrlToBlob(payload), fileName) :
saver(payload) ; // everyone else can save dataURLs un-processed
}

}else{//not data url, is it a string with special needs?
if(/([\x80-\xff])/.test(payload)){
var i=0, tempUiArr= new Uint8Array(payload.length), mx=tempUiArr.length;
for(i;i<mx;++i) tempUiArr[i]= payload.charCodeAt(i);
payload=new myBlob([tempUiArr], {type: mimeType});
}
}
blob = payload instanceof myBlob ?
payload :
new myBlob([payload], {type: mimeType}) ;


function dataUrlToBlob(strUrl) {
var parts= strUrl.split(/[:;,]/),
type= parts[1],
decoder= parts[2] == "base64" ? atob : decodeURIComponent,
binData= decoder( parts.pop() ),
mx= binData.length,
i= 0,
uiArr= new Uint8Array(mx);

for(i;i<mx;++i) uiArr[i]= binData.charCodeAt(i);

return new myBlob([uiArr], {type: type});
}

function saver(url, winMode){

if ('download' in anchor) { //html5 A[download]
anchor.href = url;
anchor.setAttribute("download", fileName);
anchor.className = "download-js-link";
anchor.innerHTML = "downloading...";
anchor.style.display = "none";
document.body.appendChild(anchor);
setTimeout(function() {
anchor.click();
document.body.removeChild(anchor);
if(winMode===true){setTimeout(function(){ self.URL.revokeObjectURL(anchor.href);}, 250 );}
}, 66);
return true;
}

// handle non-a[download] safari as best we can:
if(/(Version)\/(\d+)\.(\d+)(?:\.(\d+))?.*Safari\//.test(navigator.userAgent)) {
if(/^data:/.test(url)) url="data:"+url.replace(/^data:([\w\/\-\+]+)/, defaultMime);
if(!window.open(url)){ // popup blocked, offer direct download:
if(confirm("Displaying New Document\n\nUse Save As... to download, then click back to return to this page.")){ location.href=url; }
}
return true;
}

//do iframe dataURL download (old ch+FF):
var f = document.createElement("iframe");
document.body.appendChild(f);

if(!winMode && /^data:/.test(url)){ // force a mime that will download:
url="data:"+url.replace(/^data:([\w\/\-\+]+)/, defaultMime);
}
f.src=url;
setTimeout(function(){ document.body.removeChild(f); }, 333);

}//end saver




if (navigator.msSaveBlob) { // IE10+ : (has Blob, but not a[download] or URL)
return navigator.msSaveBlob(blob, fileName);
}

if(self.URL){ // simple fast and modern way using Blob and URL:
saver(self.URL.createObjectURL(blob), true);
}else{
// handle non-Blob()+non-URL browsers:
if(typeof blob === "string" || blob.constructor===toString ){
try{
return saver( "data:" + mimeType + ";base64," + self.btoa(blob) );
}catch(y){
return saver( "data:" + mimeType + "," + encodeURIComponent(blob) );
}
}

// Blob but not URL support:
reader=new FileReader();
reader.onload=function(e){
saver(this.result);
};
reader.readAsDataURL(blob);
}
return true;
}; /* end download() */
}));
3 changes: 3 additions & 0 deletions extension/js/pdf-lib.js

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