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悬浮窗显示选择题、填空题、判断题、连线题答案，口语参考；自动答题
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// ==UserScript==
// @name WELearn英语网课答案显示
// @namespace http://tampermonkey.net/
// @version 0.6
// @description 悬浮窗显示选择题、填空题、判断题、连线题答案，口语参考；自动答题
// @author SSmJaE
// @match https://course.sflep.com/*
// @match https://welearn.sflep.com/*
// @match https://centercourseware.sflep.com/*
// @grant GM_xmlhttpRequest
// @require https://code.jquery.com/jquery-3.5.0.min.js
// @connect *
// @license MIT
// @compatible chrome
// ==/UserScript==
const USER_SETTINGS = {
autoSolve: false, //自动答题开关
solveInterval: 1000, //自动答题间隔，单位毫秒
checkInterval: 3000, //答案查询间隔，单位毫秒；多久检测一次页面是否改变
defaultBlankAnswer: 'Default answer.', //填空题没有固定/正确答案时，填入的默认值
showReference: true, //是否显示听力、口语参考
containerColor: 'rgba(255,255,255,0.95)', //悬浮窗背景色
debugMode: false, //调试用，正常使用不用开
};
var container, title, bufferUrl, bufferTag, bufferLength, showOrder = 1,
optionOrder = 0,
spanOrder = 0,
blankOrder = 0,
textareaOrder = 0,
tofOrder;
const PARSER = new DOMParser();
const MANIFEST = [
'new%20century%20college%20english%20secedition%20integration%201',
'new%20century%20college%20english%20secedition%20integration%202',
'new%20century%20college%20english%20secedition%20integration%203',
'new%20century%20college%20english%20secedition%20integration%204',
'an%20integrated%20skills%20course%20(2nd%20edition)%201%20for%20vocational%20college%20english',
'an%20integrated%20skills%20course%20(2nd%20edition)%202%20for%20vocational%20college%20english',
'an%20integrated%20skills%20course%20(2nd%20edition)%203%20for%20vocational%20college%20english',
'an%20integrated%20skills%20course%20(2nd%20edition)%204%20for%20vocational%20college%20english',
'an%20integrated%20skills%20course%201',
'an%20integrated%20skills%20course%202',
];
const ORIGIN = [
'new%20target%20college%20english%20integrated%20course%201',
'new%20target%20college%20english%20integrated%20course%202',
'new%20target%20college%20english%20integrated%20course%203',
'new%20target%20college%20english%20integrated%20course%204',
'new%20progressive%20college%20english%20integrated%20course%201',
'new%20progressive%20college%20english%20integrated%20course%202',
'new%20progressive%20college%20english%20integrated%20course%203',
'new%20progressive%20college%20english%20integrated%20course%204',
]
const ANSWER_TYPES = [
'et-tof', //判断题
'et-blank', //问答题+填空题
'et-select', //下拉选择题
'et-choice', //选择题(二选一，多选)
'et-matching', //连线题
'et-reference', //口语参考
'wordDeclaration', //高职单词测试
'correctresponse value', //identifier类型
];
function create_container() {
container = document.createElement('div');
container.id = 'container';
container.style.visibility = 'hidden';
title = document.createElement('div');
title.id = 'containerTitle';
title.textContent = '参考答案';
container.appendChild(title);
let style = window.document.createElement('style');
style.setAttribute('type', 'text/css');
style.innerHTML = `
#container {
top: 100px;
left: 100px;
margin: 0 auto;
z-index: 99;
border-radius: 8px;
box-shadow: 0 11px 15px -7px rgba(0,0,0,.2), 0 24px 38px 3px rgba(0,0,0,.14), 0 9px 46px 8px rgba(0,0,0,.12);
position: absolute;
background: ${USER_SETTINGS.containerColor};
min-width: 150px;
max-width: 400px;
min-height: 100px;
max-height: 500px;
overflow: auto;
}
#containerTitle {
background: rgba(0,0,0,0);
height: 25px;
margin-top: 10px;
text-align: center;
font-size: x-large;
cursor: move;
}`;
if (!top.document.querySelector('#container')) {
top.document.body.appendChild(container);
top.document.body.appendChild(style);
}
}
function get_css(ele, prop) {
return parseInt(window.getComputedStyle(ele)[prop]);
}
/**实现拖动功能*/
function make_draggable(handle, container) {
let initX, initY,
draggable = false,
containerLeft = get_css(container, "left"),
containerRight = get_css(container, "top");
handle.addEventListener("mousedown", e => {
draggable = true;
initX = e.clientX;
initY = e.clientY;
}, false);
top.document.addEventListener("mousemove", e => {
if (draggable === true) {
var nowX = e.clientX,
nowY = e.clientY,
disX = nowX - initX,
disY = nowY - initY;
container.style.left = containerLeft + disX + "px";
container.style.top = containerRight + disY + "px";
}
});
handle.addEventListener("mouseup", e => {
draggable = false;
containerLeft = get_css(container, "left");
containerRight = get_css(container, "top");
}, false);
};
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
function empty_container() {
container.innerHTML = '';
container.appendChild(title);
is_show();
}
function is_show() {
container.style.visibility = container.childNodes.length > 1 ? 'visible' : 'hidden';
}
function get_current_url() {
let currentUrl;
try {
currentUrl = document.querySelector('div.courseware_main_1').firstElementChild.src;
} catch (error) {
currentUrl = top.frames[0].location.href;
}
return currentUrl;
}
function is_change() {
let currentUrl = get_current_url();
if (currentUrl != bufferUrl) {
empty_container();
determine_course_type(currentUrl);
}
bufferUrl = currentUrl;
}
function determine_course_type(answerUrl) {
let courseInfo = /com\/(.*?)\//.exec(answerUrl)[1];
let identifier;
try {
identifier = /#(.*)\?/.exec(answerUrl)[1];
} catch (error) {}
if (MANIFEST.includes(courseInfo)) { //需要查询名单
let manifestUrl = `https://centercourseware.sflep.com/${courseInfo}/resource/manifest.xml`;
query_manifest(manifestUrl, identifier, courseInfo);
} else if (ORIGIN.includes(courseInfo)) { //直接在原始页面查找
setTimeout(() => {
let answers = top.frames[0].document.querySelectorAll('[data-solution]');
add_to_container('', answers);
is_show();
}, 2000);
} else { //默认(视听说)
answerUrl = `https://centercourseware.sflep.com/${courseInfo}/data${identifier}.html`;
send_ajax_request(answerUrl);
}
}
function query_manifest(manifestUrl, identifier, courseInfo) {
GM_xmlhttpRequest({
method: "GET",
url: manifestUrl,
onload: response => {
let html = response.response;
let htmlDom = PARSER.parseFromString(html, 'text/html');
let selector = `resource[identifier="${identifier}"] file`;
let resource = htmlDom.querySelector(selector).getAttribute('href').replace('.html', '.xml').replace('.htm', '');
let answerUrl = `https://centercourseware.sflep.com/${courseInfo}/${resource}`;
send_ajax_request(answerUrl);
}
});
}
function send_ajax_request(answerUrl) {
GM_xmlhttpRequest({
method: "GET",
url: answerUrl,
onload: response => {
let html = response.response;
let htmlDom = PARSER.parseFromString(html, 'text/html');
if (USER_SETTINGS.debugMode) console.log(htmlDom);
parse_ajax_response(htmlDom);
}
});
}
function parse_ajax_response(htmlDom) {
empty_container();
ANSWER_TYPES.map(answerType => htmlDom.querySelectorAll(answerType)).forEach(answers => add_to_container(htmlDom, answers));
is_show();
showOrder = 1;
optionOrder = 0;
blankOrder = 0;
tofOrder = 0;
bufferTag = undefined;
}
/**通过检测父节点，解决答案重复的问题*/
function isRepeat(answerNode) {
let parentElement = answerNode,
parentTag;
let webFlag = 0;
let mobileFlag = 0;
try {
for (let i = 0; i < 9; i++) {
if (i > 0) {
parentElement = parentElement.parentElement;
}
parentTag = parentElement.tagName;
// if (USER_SETTINGS.debugMode) console.log(parentTag);
if (parentTag == 'ET-MOBILE-ONLY') {
mobileFlag++;
}
if (parentTag == 'ET-WEB-ONLY') {
webFlag++;
}
}
} catch (error) {
// if (USER_SETTINGS.debugMode) console.log(error);
} finally {
if (webFlag && mobileFlag) { //针对web下嵌套mobile的题目，如视听说2的3-2-3
if (webFlag > 1) { //针对4重嵌套，unit test常见
return true;
} else {
return false;
}
} else if (webFlag) { //web和mobile只留其一，这里保留mobile，丢弃web
return true;
} else {
return false;
}
}
}
function ready_in(element) {
$(element).trigger('click')
$(element).trigger('focus')
$(element).trigger('keydown')
$(element).trigger('input')
}
function ready_out(element) {
$(element).trigger('keyup')
$(element).trigger('change')
$(element).trigger('blur')
}
/**提取答案，并加入到容器*/
async function add_to_container(htmlDom, answers) {
let tofOnPaper = document.querySelectorAll('et-tof span.controls span');
let blankOnPaper = document.querySelectorAll('et-blank span.blank');
let optionOnPaper = document.querySelectorAll('et-choice li');
let selectOnPaper = document.querySelectorAll('et-select div');
let textareaOnPaper = document.querySelectorAll('et-blank textarea.blank');
let optionSpanOnPaper = document.querySelectorAll('et-choice span');
let textareaFlag = false;
if (answers.length > 0) {
if (USER_SETTINGS.debugMode) console.log(optionOnPaper, textareaOnPaper, blankOnPaper);
for (let i = 0; i < answers.length; i++) {
if (USER_SETTINGS.debugMode)
if (!isRepeat(answers[i])) console.log(answers[i]);
let content = document.createElement('div');
let hr = document.createElement('hr');
let event = new InputEvent('input');
let tag = answers[i].tagName;
try {
switch (tag) {
case 'ET-BLANK':
if (isRepeat(answers[i])) continue;
content.textContent = answers[i].textContent.split("|")[0];
if (USER_SETTINGS.autoSolve) {
await sleep(USER_SETTINGS.solveInterval);
if (answers[i].hasAttribute('block')) { //回答问题
if (content.textContent.length) {
// ready_in(textareaOnPaper[textareaOrder]);
textareaOnPaper[textareaOrder].textContent = content.textContent;
textareaOnPaper[textareaOrder].dispatchEvent(event);
// ready_out(textareaOnPaper[textareaOrder]);
} else { //有et-blank，但是无答案，不做处理
textareaFlag = true;
}
textareaOrder++;
} else { //普通填空题
ready_in(blankOnPaper[blankOrder]);
// blankOnPaper[blankOrder].click();
blankOnPaper[blankOrder].textContent = content.textContent;
// blankOnPaper[blankOrder].dispatchEvent(event);
ready_out(blankOnPaper[blankOrder]);
blankOrder++;
}
}
break;
case 'ET-TOF':
content.textContent = answers[i].getAttribute('key');
if (USER_SETTINGS.autoSolve) {
await sleep(USER_SETTINGS.solveInterval);
let tofOption;
switch (content.textContent) {
case 't':
case 'T':
tofOption = 2 * tofOrder;
break;
case 'f':
case 'F':
tofOption = 2 * tofOrder + 1;
}
tofOnPaper[tofOption].click();
tofOrder++;
}
break;
case 'ET-SELECT':
content.textContent = answers[i].getAttribute('key');
try { //todo 这是哪个类型的题的故障处理？
if (!content.textContent.length)
content.textContent = answers[i].firstElementChild.textContent;
} catch (error) {
content.textContent = 'Answers will vary.';
}
if (USER_SETTINGS.autoSolve) {
await sleep(USER_SETTINGS.solveInterval);
selectOnPaper[i].classList.add('correct');
}
break;
case 'ET-CHOICE':
if (isRepeat(answers[i])) //针对有只有inline的情况(视听说2 4-2)，也就是说，不能跳
if (answers[i].hasAttribute('inline')) continue; //针对视听说2 7-1重复，
content.textContent = answers[i].getAttribute('key');
if (USER_SETTINGS.autoSolve) {
await sleep(USER_SETTINGS.solveInterval);
let targetOption, options, optionCount;
let spanFlag = false;
try {
options = answers[i].getAttribute('key').split(',');
} catch (error) {
options = ['1'] //不检查答案的选择题
}
if (USER_SETTINGS.debugMode) console.log(options);
if (!(optionCount = answers[i].querySelectorAll('li').length)) {
optionCount = answers[i].querySelectorAll('span').length;
spanFlag = true;
optionOrder = spanOrder;
}
for (let option of options) {
if (isNaN(parseInt(option))) { //key是字母
targetOption = optionCount * optionOrder + option.toUpperCase().charCodeAt() - 65;
} else { //key是数字
targetOption = optionCount * optionOrder + parseInt(option) - 1;
}
if (USER_SETTINGS.debugMode)
console.log(`题号${optionOrder} span${spanOrder} 选项${targetOption} 选项数${optionCount}`);
if (spanFlag && optionCount) {
optionSpanOnPaper[targetOption].click();
} else {
optionOnPaper[targetOption].click();
}
}
if (spanFlag) spanOrder++;
optionOrder++;
}
break;
case 'ET-MATCHING':
if (isRepeat(answers[i])) continue;
content.textContent = answers[i].getAttribute('key');
if (USER_SETTINGS.autoSolve) {
await sleep(USER_SETTINGS.solveInterval);
}
break;
case 'ET-REFERENCE':
if (!USER_SETTINGS.showReference) continue;
case 'WORDDECLARATION':
content.innerHTML = answers[i].innerHTML;
break;
case 'VALUE':
(() => {
let identifier = answers[i].textContent;
if (identifier.length == 36) { //选择题
if (answers[i].textContent.length == 36) {
let selector = '[identifier="' + identifier + '"]';
try {
content.textContent = htmlDom.querySelector(selector).textContent;
} catch (error) {
content.textContent = answers[i].textContent; //高职第七八单元填空
}
} else { //高职，非精编，综合，单元测试
content.textContent = answers[i].textContent;
}
} else if (identifier.length > 200) { //纠错题
let selectors = identifier.split(',');
for (let i = 0; i < selectors.length; i++) {
let selector = '[identifier="' + selectors[i] + '"]';
content.innerHTML += htmlDom.querySelector(selector).textContent + "<br>";
}
} else { //填空题
content.textContent = answers[i].textContent;
}
//input[onfocus].value填空
//label[for].textContent选择
//document.querySelectorAll('input[style]')直接与identifier对应选择
//textarea[onchange]
})();
break;
default:
(() => {
if (answers[i].hasAttribute('data-solution')) {
let answer = answers[i].getAttribute('data-solution');
if (!answer.length) {
try {
content.textContent = answers[i].firstElementChild.textContent;
} catch (error) {
content.textContent = answers[i].textContent;
}
} else {
content.textContent = answer;
}
}
})();
//ul[data-itemtype] li 选择题
//input[data-itemtype]填空题
//最好有通解
break;
}
} catch (error) {
if (USER_SETTINGS.debugMode) console.error(error);
} finally {
if (content.textContent.length) {
let order; //控制序号的宽度一致
if (showOrder < 10) {
order = ' ' + String(showOrder);
} else {
order = String(showOrder);
}
content.textContent = order + '、' + content.textContent;
showOrder += 1;
// let scrollTop = optionOnPaper[targetOption].parentElement.clientTop;
// console.log(scrollTop, optionOnPaper[targetOption].parentElement);
// top.frames[0].window.scrollTo(0, parseInt(scrollTop));
} else {
continue;
}
content.setAttribute('style', ` margin: 10px 10px;
color: orange;
font-size: medium;
font-family:Georgia, 'Times New Roman', Times, serif;
white-space:pre-wrap;`);
if ((bufferTag !== tag) && (bufferTag !== undefined) && (bufferLength !== 0)) {
container.appendChild(hr);
}
container.appendChild(content);
content.offsetWidth; //强制浏览器刷新悬浮窗宽度
bufferTag = tag;
bufferLength = content.textContent.length;
is_show();
}
}
} else {
if (textareaOnPaper.length && textareaFlag) { //无et-blank，但是有textarea
for (let textarea of textareaOnPaper) {
textarea.textContent = USER_SETTINGS.defaultBlankAnswer;
}
}
}
}
create_container();
make_draggable(title, container);
setInterval(is_change, USER_SETTINGS.checkInterval);