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LearningApps Show Crossword Answers

Add "Show answers" button to LearningApps crossword

  1. // ==UserScript==
  2. // @name         LearningApps Show Crossword Answers
  3. // @version      0.1
  4. // @description  Add "Show answers" button to LearningApps crossword
  5. // @author       stennen
  6. // @match        *://learningapps.org/display?v=*
  7. // @grant        none
  8. // @namespace    http://tampermonkey.net/
  9. // @icon         https://www.google.com/s2/favicons?sz=64&domain=learningapps.org
  10. // @license      MIT
  11. // ==/UserScript==
  12.  
  13. (function() {
  14.     setTimeout(() => {
  15.         function handler2() {
  16.  
  17.             let appcnt = document.body.getElementsByTagName("iframe")[0].contentWindow.document.getElementsByTagName("iframe")[0].contentWindow;
  18.  
  19.             if (!appcnt.eval('AppClient')) {
  20.                 return;
  21.             }
  22.  
  23.             if (!appcnt.document.body.innerHTML.includes('<script type="text/javascript" src="crossword.js"></script>')) {
  24.                 return;
  25.             }
  26.  
  27.             let dc = document.getElementById("content_container");
  28.             let cntr = document.createElement("center");
  29.             let el = document.createElement("button");
  30.             el.setAttribute("id", "showAnswersBtn");
  31.             el.innerText='Show Answers';
  32.             el.style.fontFamily='Arial';
  33.             el.style.fontSize='30px';
  34.             el.style.textAlign='center';
  35.             cntr.appendChild(el);
  36.             dc.appendChild(cntr);
  37.             el = document.getElementById("showAnswersBtn");
  38.             el.onclick = () => {
  39.                 let appClient = document.body.getElementsByTagName("iframe")[0].contentWindow.document.getElementsByTagName("iframe")[0].contentWindow.eval('AppClient');
  40.  
  41.                 let answers='';
  42.                 for (let i=0;i<50;i++) {
  43.                     let answr = appClient.getParameter("word" + i);
  44.                     if (answr) {
  45.                         answers+='<h3>Word ' + i + ': ' + answr + '</h3>';
  46.                     }
  47.                 }
  48.  
  49.                 let wnd = window.open("about:blank");
  50.                 wnd.document.body.innerHTML = '<style>h1,h2,h3,h4,h5,h6{font-family:Arial}</style><center><h1>Answers</h1><hr>' + answers + '<hr><p>made by stennen</p></center>'
  51.             };
  52.         }
  53.  
  54.         if (document.getElementById("showAnswersBtn")) {
  55.             return;
  56.         }
  57.  
  58.         if (!document.body.getElementsByTagName("iframe")) {
  59.             return;
  60.         }
  61.  
  62.  
  63.         if (!document.body.getElementsByTagName("iframe")[0].contentWindow.document.getElementsByTagName("iframe")) {
  64.             return;
  65.         }
  66.  
  67.         handler2();
  68.  
  69.     }, 1500);
  70.  
  71.     /* made by Stennen */
  72. })();