441 lines
19 KiB
JavaScript
441 lines
19 KiB
JavaScript
const timeOutHandler = new Object();
|
|
const inputPrefix = "stackapi_input_";
|
|
const feedbackPrefix = "stackapi_fb_";
|
|
const validationPrefix = "stackapi_val_";
|
|
const stackstring = {
|
|
"teacheranswershow_mcq": "A correct answer is: {$a->display}",
|
|
"api_which_typed": "which can be typed as follows",
|
|
"api_valid_all_parts": "Please enter valid answers for all parts of the question.",
|
|
"api_out_of": "out of",
|
|
"api_marks_sub": "Marks for this submission",
|
|
"api_submit": "Submit Answers",
|
|
"generalfeedback": "General feedback",
|
|
"score": "Score",
|
|
"api_response": "Response summary",
|
|
"api_correct": "Correct answers"
|
|
};
|
|
function wrap_math(content) {
|
|
content = content.replace(/(?<!\\)(\\\(.*?(?<!\\)\\\))/gs, '<span class="process-math">$1</span>');
|
|
return content.replace(/(?<!\\)(\\\[.*?(?<!\\)\\\])/gs, '<span class="process-math">$1</span>');
|
|
}
|
|
async function collectData(qfile, qname, qprefix) {
|
|
let res = "";
|
|
await getQuestionFile(qfile, qname).then((response) => {
|
|
if (response.questionxml != "<quiz>\nnull\n</quiz>") {
|
|
res = {
|
|
questionDefinition: response.questionxml,
|
|
answers: collectAnswer(qprefix),
|
|
seed: response.seed,
|
|
renderInputs: qprefix + inputPrefix,
|
|
readOnly: false
|
|
};
|
|
}
|
|
;
|
|
});
|
|
return res;
|
|
}
|
|
function collectAnswer(qprefix) {
|
|
const inputs = document.getElementsByTagName("input");
|
|
const textareas = document.getElementsByTagName("textarea");
|
|
const selects = document.getElementsByTagName("select");
|
|
let res = {};
|
|
res = processNodes(res, inputs, qprefix);
|
|
res = processNodes(res, textareas, qprefix);
|
|
res = processNodes(res, selects, qprefix);
|
|
return res;
|
|
}
|
|
function processNodes(res, nodes, qprefix) {
|
|
for (let i = 0; i < nodes.length; i++) {
|
|
const element = nodes[i];
|
|
if (element.name.indexOf(qprefix + inputPrefix) === 0 && element.name.indexOf("_val") === -1) {
|
|
if (element.type === "checkbox" || element.type === "radio") {
|
|
if (element.checked) {
|
|
res[element.name.slice((qprefix + inputPrefix).length)] = element.value;
|
|
}
|
|
} else {
|
|
res[element.name.slice((qprefix + inputPrefix).length)] = element.value;
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
function send(qfile, qname, qprefix) {
|
|
const http = new XMLHttpRequest();
|
|
const url = stack_api_url + "/render";
|
|
http.open("POST", url, true);
|
|
http.setRequestHeader("Content-Type", "application/json");
|
|
http.onreadystatechange = function() {
|
|
if (http.readyState == 4) {
|
|
try {
|
|
const json = JSON.parse(http.responseText);
|
|
if (json.message) {
|
|
console.log(json);
|
|
document.getElementById(`${qprefix + "errors"}`).innerText = json.message;
|
|
return;
|
|
} else {
|
|
document.getElementById(`${qprefix + "errors"}`).innerText = "";
|
|
}
|
|
renameIframeHolders();
|
|
let question = json.questionrender;
|
|
const inputs = json.questioninputs;
|
|
const seed = json.questionseed;
|
|
let correctAnswers = "";
|
|
for (const [name, input] of Object.entries(inputs)) {
|
|
question = question.replace(`[[input:${name}]]`, input.render);
|
|
question = question.replace(`[[validation:${name}]]`, `<span name='${qprefix + validationPrefix + name}'></span>`);
|
|
question = question.replace(/javascript:download\(([^,]+?),([^,]+?)\)/, `javascript:download($1,$2, '${qfile}', '${qname}', '${qprefix}', ${seed})`);
|
|
question = wrap_math(question);
|
|
if (input.samplesolutionrender && name !== "remember") {
|
|
correctAnswers += `<p>
|
|
${stackstring["teacheranswershow_mcq"]} \\[{${input.samplesolutionrender}}\\],
|
|
${stackstring["api_which_typed"]}: `;
|
|
for (const [name2, solution] of Object.entries(input.samplesolution)) {
|
|
if (name2.indexOf("_val") === -1) {
|
|
correctAnswers += `<span class='correct-answer'>${wrap_math(solution)}</span>`;
|
|
}
|
|
}
|
|
correctAnswers += ".</p>";
|
|
} else if (name !== "remember") {
|
|
for (const solution of Object.values(input.samplesolution)) {
|
|
if (input.configuration.options) {
|
|
correctAnswers += `<p class='correct-answer'>${input.configuration.options[solution]}</p>`;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
for (const [name, file] of Object.entries(json.questionassets)) {
|
|
const plotUrl = getPlotUrl(file);
|
|
question = question.replace(name, plotUrl);
|
|
json.questionsamplesolutiontext = json.questionsamplesolutiontext.replace(name, plotUrl);
|
|
correctAnswers = correctAnswers.replace(name, plotUrl);
|
|
}
|
|
question = replaceFeedbackTags(question, qprefix);
|
|
qoutput = document.getElementById(`${qprefix + "output"}`);
|
|
qoutput.innerHTML = question;
|
|
document.getElementById(`${qprefix + "stackapi_qtext"}`).style.display = "block";
|
|
document.getElementById(`${qprefix + "stackapi_correct"}`).style.display = "block";
|
|
for (const inputName of Object.keys(inputs)) {
|
|
const inputElements = document.querySelectorAll(`[name^=${qprefix + inputPrefix + inputName}]`);
|
|
for (const inputElement of Object.values(inputElements)) {
|
|
inputElement.oninput = (event) => {
|
|
const currentTimeout = timeOutHandler[event.target.id];
|
|
if (currentTimeout) {
|
|
window.clearTimeout(currentTimeout);
|
|
}
|
|
timeOutHandler[event.target.id] = window.setTimeout(validate.bind(null, event.target, qfile, qname, qprefix), 1e3);
|
|
};
|
|
}
|
|
}
|
|
let sampleText = json.questionsamplesolutiontext;
|
|
if (sampleText) {
|
|
sampleText = replaceFeedbackTags(sampleText, qprefix);
|
|
document.getElementById(`${qprefix + "generalfeedback"}`).innerHTML = wrap_math(sampleText);
|
|
document.getElementById(`${qprefix + "stackapi_generalfeedback"}`).style.display = "block";
|
|
} else {
|
|
document.getElementById(`${qprefix + "stackapi_generalfeedback"}`).style.display = "none";
|
|
}
|
|
document.getElementById(`${qprefix + "stackapi_score"}`).style.display = "none";
|
|
document.getElementById(`${qprefix + "stackapi_validity"}`).innerText = "";
|
|
const innerFeedback = document.getElementById(`${qprefix + "specificfeedback"}`);
|
|
innerFeedback.innerHTML = "";
|
|
innerFeedback.classList.remove("feedback");
|
|
document.getElementById(`${qprefix + "formatcorrectresponse"}`).innerHTML = correctAnswers;
|
|
document.getElementById(`${qprefix + "stackapi_generalfeedback"}`).style.display = "none";
|
|
document.getElementById(`${qprefix + "stackapi_correct"}`).style.display = "none";
|
|
createIframes(json.iframes);
|
|
MathJax.typeset();
|
|
} catch (e) {
|
|
console.log(e);
|
|
document.getElementById(`${qprefix + "errors"}`).innerText = http.responseText;
|
|
return;
|
|
}
|
|
}
|
|
};
|
|
collectData(qfile, qname, qprefix).then((data) => {
|
|
let submitbutton = document.getElementById(`${qprefix + "stackapi_qtext"}`).querySelector('input[type="button"]');
|
|
submitbutton.addEventListener("click", function() {
|
|
answer(qfile, qname, qprefix, data.seed);
|
|
});
|
|
http.send(JSON.stringify(data));
|
|
let questioncontainer = document.getElementById(`${qprefix + "stack"}`).parentElement;
|
|
if (questioncontainer.getBoundingClientRect().top < 0) {
|
|
questioncontainer.scrollIntoView({ behavior: "smooth", block: "start" });
|
|
}
|
|
;
|
|
});
|
|
}
|
|
function validate(element, qfile, qname, qprefix) {
|
|
const http = new XMLHttpRequest();
|
|
const url = stack_api_url + "/validate";
|
|
http.open("POST", url, true);
|
|
const answerNamePrefixTrim = (qprefix + inputPrefix).length;
|
|
const answerName = element.name.slice(answerNamePrefixTrim).split("_", 1)[0];
|
|
http.setRequestHeader("Content-Type", "application/json");
|
|
http.onreadystatechange = function() {
|
|
if (http.readyState == 4) {
|
|
try {
|
|
const json = JSON.parse(http.responseText);
|
|
if (json.message) {
|
|
document.getElementById(`${qprefix + "errors"}`).innerText = json.message;
|
|
return;
|
|
} else {
|
|
document.getElementById(`${qprefix + "errors"}`).innerText = "";
|
|
}
|
|
renameIframeHolders();
|
|
const validationHTML = json.validation;
|
|
const element2 = document.getElementsByName(`${qprefix + validationPrefix + answerName}`)[0];
|
|
element2.innerHTML = wrap_math(validationHTML);
|
|
if (validationHTML) {
|
|
element2.classList.add("validation");
|
|
} else {
|
|
element2.classList.remove("validation");
|
|
}
|
|
createIframes(json.iframes);
|
|
MathJax.typeset();
|
|
} catch (e) {
|
|
document.getElementById(`${qprefix + "errors"}`).innerText = http.responseText;
|
|
return;
|
|
}
|
|
}
|
|
};
|
|
collectData(qfile, qname, qprefix).then((data) => {
|
|
data.inputName = answerName;
|
|
http.send(JSON.stringify(data));
|
|
});
|
|
}
|
|
function answer(qfile, qname, qprefix, seed) {
|
|
const http = new XMLHttpRequest();
|
|
const url = stack_api_url + "/grade";
|
|
http.open("POST", url, true);
|
|
if (!document.getElementById(`${qprefix + "output"}`).innerText) {
|
|
return;
|
|
}
|
|
http.setRequestHeader("Content-Type", "application/json");
|
|
http.onreadystatechange = function() {
|
|
if (http.readyState == 4) {
|
|
try {
|
|
const json = JSON.parse(http.responseText);
|
|
if (json.message) {
|
|
document.getElementById(`${qprefix + "errors"}`).innerText = json.message;
|
|
return;
|
|
} else {
|
|
document.getElementById(`${qprefix + "errors"}`).innerText = "";
|
|
}
|
|
if (!json.isgradable) {
|
|
document.getElementById(`${qprefix + "stackapi_validity"}`).innerText = " " + stackstring["api_valid_all_parts"];
|
|
return;
|
|
}
|
|
renameIframeHolders();
|
|
document.getElementById(`${qprefix + "score"}`).innerText = (json.score * json.scoreweights.total).toFixed(2) + " " + stackstring["api_out_of"] + " " + json.scoreweights.total;
|
|
document.getElementById(`${qprefix + "stackapi_score"}`).style.display = "block";
|
|
document.getElementById(`${qprefix + "response_summary"}`).innerText = json.responsesummary;
|
|
document.getElementById(`${qprefix + "stackapi_generalfeedback"}`).style.display = "block";
|
|
document.getElementById(`${qprefix + "stackapi_summary"}`).style.display = "none";
|
|
const feedback = json.prts;
|
|
const specificFeedbackElement2 = document.getElementById(`${qprefix + "specificfeedback"}`);
|
|
if (json.specificfeedback) {
|
|
for (const [name, file] of Object.entries(json.gradingassets)) {
|
|
json.specificfeedback = json.specificfeedback.replace(name, getPlotUrl(file));
|
|
}
|
|
json.specificfeedback = replaceFeedbackTags(json.specificfeedback, qprefix);
|
|
specificFeedbackElement2.innerHTML = wrap_math(json.specificfeedback);
|
|
specificFeedbackElement2.classList.add("feedback");
|
|
} else {
|
|
specificFeedbackElement2.classList.remove("feedback");
|
|
}
|
|
for (let [name, fb] of Object.entries(feedback)) {
|
|
for (const [name2, file] of Object.entries(json.gradingassets)) {
|
|
fb = fb.replace(name2, getPlotUrl(file));
|
|
}
|
|
const elements = document.getElementsByName(`${qprefix + feedbackPrefix + name}`);
|
|
if (elements.length > 0) {
|
|
const element = elements[0];
|
|
if (json.scores[name] !== void 0) {
|
|
fb = fb + `<div>${stackstring["api_marks_sub"]}:
|
|
${(json.scores[name] * json.scoreweights[name] * json.scoreweights.total).toFixed(2)}
|
|
/ ${(json.scoreweights[name] * json.scoreweights.total).toFixed(2)}.</div>`;
|
|
}
|
|
element.innerHTML = wrap_math(fb);
|
|
}
|
|
}
|
|
createIframes(json.iframes);
|
|
MathJax.typeset();
|
|
} catch (e) {
|
|
console.log(e);
|
|
document.getElementById(`${qprefix + "errors"}`).innerText = http.responseText;
|
|
return;
|
|
}
|
|
}
|
|
};
|
|
const specificFeedbackElement = document.getElementById(`${qprefix + "specificfeedback"}`);
|
|
specificFeedbackElement.innerHTML = "";
|
|
specificFeedbackElement.classList.remove("feedback");
|
|
document.getElementById(`${qprefix + "response_summary"}`).innerText = "";
|
|
document.getElementById(`${qprefix + "stackapi_summary"}`).style.display = "none";
|
|
const inputElements = document.querySelectorAll(`[name^=${qprefix + feedbackPrefix}]`);
|
|
for (const inputElement of Object.values(inputElements)) {
|
|
inputElement.innerHTML = "";
|
|
inputElement.classList.remove("feedback");
|
|
}
|
|
document.getElementById(`${qprefix + "stackapi_score"}`).style.display = "none";
|
|
document.getElementById(`${qprefix + "stackapi_validity"}`).innerText = "";
|
|
collectData(qfile, qname, qprefix).then((data) => {
|
|
data.seed = seed;
|
|
http.send(JSON.stringify(data));
|
|
});
|
|
}
|
|
function download(filename, fileid, qfile, qname, qprefix, seed) {
|
|
const http = new XMLHttpRequest();
|
|
const url = stack_api_url + "/download";
|
|
http.open("POST", url, true);
|
|
http.setRequestHeader("Content-Type", "application/json");
|
|
http.filename = filename;
|
|
http.fileid = fileid;
|
|
http.onreadystatechange = function() {
|
|
if (http.readyState == 4) {
|
|
try {
|
|
const blob = new Blob([http.responseText], { type: "application/octet-binary", endings: "native" });
|
|
const selector = CSS.escape(`javascript:download('${http.filename}', ${http.fileid}, '${qfile}', '${qname}', '${qprefix}', ${seed})`);
|
|
const linkElements = document.querySelectorAll(`a[href^=${selector}]`);
|
|
const link = linkElements[0];
|
|
link.setAttribute("href", URL.createObjectURL(blob));
|
|
link.setAttribute("download", filename);
|
|
link.click();
|
|
} catch (e) {
|
|
document.getElementById("errors").innerText = http.responseText;
|
|
return;
|
|
}
|
|
}
|
|
};
|
|
collectData(qfile, qname, qprefix).then((data) => {
|
|
data.filename = filename;
|
|
data.fileid = fileid;
|
|
data.seed = seed;
|
|
http.send(JSON.stringify(data));
|
|
});
|
|
}
|
|
function saveState(key, value) {
|
|
if (typeof Storage !== "undefined") {
|
|
localStorage.setItem(key, value);
|
|
}
|
|
}
|
|
function loadState(key) {
|
|
if (typeof Storage !== "undefined") {
|
|
return localStorage.getItem(key) || "";
|
|
}
|
|
return "";
|
|
}
|
|
function renameIframeHolders() {
|
|
for (const iframe of document.querySelectorAll(`[id^=stack-iframe-holder]:not([id$=old]`)) {
|
|
iframe.id = iframe.id + "_old";
|
|
}
|
|
}
|
|
function createIframes(iframes) {
|
|
const corsFragment = "/cors.php?name=";
|
|
for (const iframe of iframes) {
|
|
create_iframe(
|
|
iframe[0],
|
|
iframe[1].replaceAll(corsFragment, stack_api_url + corsFragment),
|
|
...iframe.slice(2)
|
|
);
|
|
}
|
|
}
|
|
function replaceFeedbackTags(text, qprefix) {
|
|
let result = text;
|
|
const feedbackTags = text.match(/\[\[feedback:.*?\]\]/g);
|
|
if (feedbackTags) {
|
|
for (const tag of feedbackTags) {
|
|
result = result.replace(tag, `<div name='${qprefix + feedbackPrefix + tag.slice(11, -2)}'></div>`);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
async function getQuestionFile(questionURL, questionName) {
|
|
let res = "";
|
|
if (questionURL) {
|
|
await fetch(questionURL).then((result) => result.text()).then((result) => {
|
|
res = loadQuestionFromFile(result, questionName);
|
|
});
|
|
}
|
|
return res;
|
|
}
|
|
function loadQuestionFromFile(fileContents, questionName) {
|
|
const parser = new DOMParser();
|
|
const xmlDoc = parser.parseFromString(fileContents, "text/xml");
|
|
let thequestion = null;
|
|
let randSeed = "";
|
|
for (const question of xmlDoc.getElementsByTagName("question")) {
|
|
if (question.getAttribute("type").toLowerCase() === "stack" && (!questionName || question.querySelectorAll("name text")[0].textContent === questionName)) {
|
|
thequestion = question.outerHTML;
|
|
let seeds = question.querySelectorAll("deployedseed");
|
|
if (seeds.length) {
|
|
randSeed = parseInt(seeds[Math.floor(Math.random() * seeds.length)].textContent);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return { questionxml: setQuestion(thequestion), seed: randSeed };
|
|
}
|
|
function setQuestion(question) {
|
|
return "<quiz>\n" + question + "\n</quiz>";
|
|
}
|
|
function createQuestionBlocks() {
|
|
questionBlocks = document.getElementsByClassName("que stack");
|
|
let i = 0;
|
|
for (questionblock of questionBlocks) {
|
|
i++;
|
|
let questionPrefix = "q" + i.toString() + "_";
|
|
var qfile = questionblock.dataset.qfile;
|
|
var qname = questionblock.dataset.qname || "";
|
|
questionblock.innerHTML = `
|
|
<div class="collapsiblecontent" id=${questionPrefix + "stack"}>
|
|
<div class="vstack gap-3 ms-3 col-lg-8">
|
|
<div id=${questionPrefix + "errors"}></div>
|
|
<div id=${questionPrefix + "stackapi_qtext"} class="col-lg-8" style="display: none">
|
|
<!--<h2>${stackstring["questiontext"]}:</h2>-->
|
|
<div id=${questionPrefix + "output"} class="formulation"></div>
|
|
<div id=${questionPrefix + "specificfeedback"}></div>
|
|
<br>
|
|
<!-- <input type="button" onclick="answer('${qfile}', '${qname}', '${questionPrefix}')" class="btn btn-primary" value=${stackstring["api_submit"]}/>-->
|
|
<input type="button" class="btn btn-primary" value=${stackstring["api_submit"]}/>
|
|
<span id=${questionPrefix + "stackapi_validity"} style="color:darkred"></span>
|
|
</div>
|
|
<div id=${questionPrefix + "stackapi_generalfeedback"} class="col-lg-8" style="display: none">
|
|
<h2>${stackstring["generalfeedback"]}:</h2>
|
|
<div id=${questionPrefix + "generalfeedback"} class="feedback"></div>
|
|
</div>
|
|
<h2 id=${questionPrefix + "stackapi_score"} style="display: none">${stackstring["score"]}: <span id=${questionPrefix + "score"}></span></h2>
|
|
<div id=${questionPrefix + "stackapi_summary"} class="col-lg-10" style="display: none">
|
|
<h2>${stackstring["api_response"]}:</h2>
|
|
<div id=${questionPrefix + "response_summary"} class="feedback"></div>
|
|
</div>
|
|
<div id=${questionPrefix + "stackapi_correct"} class="col-lg-10" style="display: none">
|
|
<h2>${stackstring["api_correct"]}:</h2>
|
|
<div id=${questionPrefix + "formatcorrectresponse"} class="feedback"></div>
|
|
</div>
|
|
</div>
|
|
<div id=${questionPrefix + "newquestionbutton"}>
|
|
<input type="button" onclick="send('${qfile}', '${qname}', '${questionPrefix}')" class="btn btn-primary" value="Show new example question"/>
|
|
</div>
|
|
</div>
|
|
`;
|
|
}
|
|
}
|
|
function addCollapsibles() {
|
|
var collapsibles = document.querySelectorAll(".level2>h2, .stack>h2");
|
|
for (let i = 0; i < collapsibles.length; i++) {
|
|
collapsibles[i].addEventListener("click", () => collapseFunc(this));
|
|
}
|
|
}
|
|
function collapseFunc(e) {
|
|
e.classList.toggle("collapsed");
|
|
}
|
|
function stackSetup() {
|
|
createQuestionBlocks();
|
|
addCollapsibles();
|
|
}
|
|
function getPlotUrl(file) {
|
|
return `${stack_api_url}/plots/${file}`;
|
|
}
|
|
//# sourceMappingURL=stackapicalls.js.map
|