112 lines
No EOL
2.8 KiB
JavaScript
112 lines
No EOL
2.8 KiB
JavaScript
function toggle_solution(id)
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{
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element = document.getElementById("explanation_" + id);
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if (element.className == "show") {
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element.className = "hide";
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} else {
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element.className = "show";
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}
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}
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function show_solution(id)
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{
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element = document.getElementById("explanation_" + id);
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if (element.className == "hide") {
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element.className = "show";
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}
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}
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function get_answer(id) {
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showSolutionButton = document.getElementById("showSolution_" + id);
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showSolutionButton.disabled = true;
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show_solution(id);
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var answerRequest=new ajaxRequest()
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answerRequest.onreadystatechange=function(){
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if (answerRequest.readyState==4){
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if (answerRequest.status==200 || window.location.href.indexOf("http")==-1){
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parseResponse(id, answerRequest.responseText);
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}
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else{
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alert("An error has occured making the request");
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}
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}
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}
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var questionId=encodeURIComponent(id)
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var token=encodeURIComponent("1ea6de64cf5a11e5ada41c6f6525891e")
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var answers=encodeURIComponent(getCheckboxAnswers(id))
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answerRequest.open("GET", "api?id="+questionId+"&token="+token+"&answers="+answers, true)
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answerRequest.send(null)
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}
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function getCheckboxAnswers(id) {
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var answers = "";
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var elements = document.getElementsByName("checkbox_" + id);
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for(var i = 0; i < elements.length; i++) {
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if(elements[i].checked) {
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answers += elements[i].value + "_";
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}
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}
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if(answers != "") {
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answers = answers.substring(0, answers.length - 1);
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}
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return answers;
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}
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function parseResponse(id, responseText) {
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var correctOptions = responseText.split("_");
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var elements = document.getElementsByName("checkbox_" + id);
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for(var i = 0; i < elements.length; i++) {
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var element = elements[i];
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element.className="";
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var correct = isCorrectOption(element.value);
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if(correct) {
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element.className="correct";
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} else {
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if(element.checked) {
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element.className="failed";
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}
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}
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}
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function isCorrectOption(option) {
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for(var i = 0; i < correctOptions.length; i++) {
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if(correctOptions[i] == option) {
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return true;
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}
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}
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return false;
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}
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}
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function ajaxRequest() {
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var activexmodes=["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"] //activeX versions to check for in IE
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if (window.ActiveXObject){ //Test for support for ActiveXObject in IE first (as XMLHttpRequest in IE7 is broken)
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for (var i=0; i<activexmodes.length; i++){
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try{
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return new ActiveXObject(activexmodes[i])
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}
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catch(e){
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//suppress error
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}
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}
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}
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else if (window.XMLHttpRequest) // if Mozilla, Safari etc
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return new XMLHttpRequest()
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else
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return false
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} |