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增强北理工乐学的功能
// ==UserScript==
// @name 北理工乐学增强
// @namespace YinTianliang_i
// @version 1.6.14
// @description 增强北理工乐学的功能
// @author Aloxaf
// @include *//lexue.bit.edu.cn/*
// @grant GM_setClipboard
// @grant unsafeWindow
// @run-at document-end
// @require http://code.jquery.com/jquery-latest.js
// ==/UserScript==
/*jshint esversion: 6 */
// 视频放大
let video = document.querySelectorAll('.mediaplugin_videojs > div')[0];
if (video) {
video.attributes.style.value = '';
}
// 来自 http://www.cnblogs.com/colima/p/5339227.html
let prefixURL = 'http://lexue.bit.edu.cn/mod/programming';
let Ajax = {
//get: $.get,
get: function (url, fn) {
let obj = new XMLHttpRequest(); // XMLHttpRequest对象用于在后台与服务器交换数据
obj.open('GET', url, true);
obj.onreadystatechange = function () {
if (obj.readyState == 4 && obj.status == 200 || obj.status == 304) { // readyState == 4说明请求已完成
fn.call(this, obj.responseText); //从服务器获得数据
}
};
obj.send();
},
post: function (url, data, fn) { // datat应为'a=a1&b=b1'这种字符串格式，在jq里如果data为对象会自动将对象转成这种字符串格式
let obj = new XMLHttpRequest();
obj.open("POST", url, true);
obj.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); // 添加http头，发送信息至服务器时内容编码类型
obj.onreadystatechange = function () {
if (obj.readyState == 4 && (obj.status == 200 || obj.status == 304)) { // 304未修改
fn.call(this, obj.responseText);
}
};
obj.send(data);
}
}
let divTemp = (color, text) => {
return `<div style="color:${color}"><b>${text}</b></div>`;
};
function xpath(s, root = document) {
return document.evaluate(s, root, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}
function AddClickBack() {
let course = xpath('//a[contains(@href, "course/view.php")]');
let course_id = course.href.match(/id=(\d+)/)[1];
let labels = JSON.parse(localStorage[`label_${course_id}`]);
if (localStorage[`label_${course_id}`]) {
let ddl = xpath('//li[@class="breadcrumb-item" and contains(./text(), "日 - ")]');
let ddl_name = ddl.textContent;
let ddl_url = `${course.href}#${labels[ddl_name]}`;
ddl.innerHTML = `<a href="${ddl_url}">${ddl_name}</a>`;
}
}
function RefreshLabels(id) {
let label_list = !localStorage["label_" + id] ? {} : JSON.parse(localStorage["label_" + id]);
let weekworks = document.getElementsByClassName('section main clearfix');
for (let week_work of weekworks) {
let label = week_work.getAttribute('aria-label');
if (label !== null) {
label_list[label] = week_work.id;
}
}
localStorage["label_" + id] = JSON.stringify(label_list);
}
function AddMyACCount(id) {
// let table = document.getElementsByClassName('generaltable')[1].children[1];
let table = xpath('//div[contains(./h5/text(), "编程排名")]//tbody');
let my_cnt = JSON.parse(localStorage[`AC_${id}`] ?? "[]").length;
if (table.rows[0].cells[0].textContent != '0') { // 判断是否已经增加了一行
let row = table.insertRow(0);
row.insertCell(0).textContent = '0';
row.insertCell(1).textContent = 'Your';
row.insertCell(2).textContent = my_cnt;
} else {
table.rows[0].cells[2].textContent = my_cnt;
}
}
// TODO:对加载页面的影响有点大 一直显示等待响应(其实就是欠的题太多了)
function RefreshACStatus(id) {
let reg = new RegExp("userloginex|contest_login.php.cid=(\\d+)");
let matches = location.toString().match(reg);
let problem_list = document.getElementsByClassName("activity programming modtype_programming");
for (let problem of problem_list) {
let problem_id = problem.id.split("-")[1];
problem.firstChild.firstChild.style = 'display: flex';
let dstDiv = problem.firstChild.firstChild.firstChild;
// 有些题目没有没对齐不能忍
if (dstDiv.className == "mod-indent") {
dstDiv.className += " mod-indent-1";
dstDiv.style = 'width: 35px;'
}
// 待优化 no let!!!
id_list = !localStorage["AC_" + id] ? [] : JSON.parse(localStorage["AC_" + id]);
ddl_list = !localStorage["DDL_" + id] ? [] : JSON.parse(localStorage["DDL_" + id]);
if (id_list.indexOf(problem_id) != -1) {
dstDiv.innerHTML = divTemp('green', 'AC');
} else if (ddl_list.indexOf(problem_id) != -1) {
let html = `<a title="点击刷新" href="javascript: RefreshDDL(${id}, ${problem_id})">DDL</a>`
dstDiv.innerHTML = divTemp('gray', html);
} else {
Ajax.get(`${prefixURL}/result.php?id=${problem_id}`,
res => {
matches = res.match(/未能通过的有 *(\d+)* *个/);
if (matches) {
if (matches[1] == "0") {
id_list = id_list.concat(problem_id);
localStorage["AC_" + id] = JSON.stringify(id_list);
// 这个post是异步的, 所以只能每一次post完成都刷新一次AC数
// 确保AC数正确
AddMyACCount(id);
dstDiv.innerHTML = divTemp('green', 'AC');
} else {
dstDiv.innerHTML = divTemp('red', 'WA');
}
} else if (/当前状态：程序编译失败。/.test(res)) {
dstDiv.innerHTML = divTemp('orange', 'CE');
} else if (/当前状态：程序已提交，正等待编译。/.test(res)) {
dstDiv.innerHTML = divTemp('gray', 'PE');
} else {
Ajax.get(`${prefixURL}/submit.php?id=${problem_id}`,
res => {
if (/时间已到，您不能再提交程序了。/.test(res)) {
ddl_list = ddl_list.concat(problem_id);
localStorage["DDL_" + id] = JSON.stringify(ddl_list);
let html = `<a title="点击刷新" href="javascript: RefreshDDL(${id}, ${problem_id})">DDL</a>`
dstDiv.innerHTML = divTemp('gray', html);
}
});
}
});
}
}
}
unsafeWindow.divTemp = divTemp;
unsafeWindow.AddMyACCount = AddMyACCount;
unsafeWindow.RefreshACStatus = RefreshACStatus;
unsafeWindow.RefreshDDL = (course_id, problem_id) => {
let ddl_list = JSON.parse(localStorage[`DDL_${course_id}`]);
let idx = ddl_list.indexOf(problem_id);
ddl_list.splice(idx - 1, 1);
localStorage[`DDL_${course_id}`] = JSON.stringify(ddl_list);
RefreshACStatus(course_id);
}
function AddHistroysubmit(id) {
Ajax.get(`${prefixURL}/history.php?id=${id}`,
res => {
let doc = document.createElement('div'), ul = document.createElement('ul');
let submit_ids = [], n = 1;
doc.innerHTML = res;
for (let histort_submit of doc.getElementsByClassName('submit')) {
submit_ids.push(histort_submit.getAttribute('submitid'));
}
ul.setAttribute('class', 'nav nav-tabs');
for (let history_id of submit_ids.reverse()) {
ul.innerHTML += `<li class="nav-item"><a class="nav-link" href="${location.origin + location.pathname + '?id=' + id}&submitid=${history_id}">第${n++}次</a></li>`;
}
let parent = xpath('//div[@role="main"]');
parent.insertBefore(ul, parent.children[2]);
});
}
function AddCopyToClipboard() {
let oldHTML = document.evaluate('//a[text()="下载"]', document, null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
// view页面没有"下载",因此手动添加
if (!oldHTML.snapshotItem(0)) {
for (let node of document.querySelectorAll('.showasplaintext.small')) {
let acopy = $('<a/>', {
href: node.href,
text: '复制'
});
acopy.insertAfter($(node));
$(node).append(document.createTextNode(' '));
}
oldHTML = document.evaluate('//a[text()="复制"]', document, null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
}
for (let i = 0; i < oldHTML.snapshotLength; i++) {
let node = oldHTML.snapshotItem(i);
node.innerText = '复制';
node.href_bak = node.href;
node.href = 'javascript:;';
(node => { // 不知道该怎么称呼这种问题...反正用闭包解决
node.onclick = () => {
node.innerText = '请求中';
Ajax.get(node.href_bak, res => {
GM_setClipboard(res);
node.innerText = '成功!';
setTimeout(() => {
node.innerText = '复制';
}, 1000);
});
};
})(node);
// 在迭代的时候修改node的属性会导致Error
// https://stackoverflow.com/questions/23850984/selected-and-remove-all-matching-data-attributes
// -------
// 然而现在不用迭代了
}
}
function AddHideCompileResults() {
//居左 方便添加按钮
cplResults = document.getElementsByClassName('box compilemessage')[0];
if (!cplResults)
return;
cplResults.style.display = 'none';
textResult = document.evaluate('//h3[text()="编译结果"]').iterateNext();
textResult.style = 'float:left';
button = document.createElement('button');
button.innerText = '显示';
//button.style = 'height:25px;width=180px;';
button.onclick = () => {
if (/none/.test(cplResults.style.display)) {
cplResults.style.display = 'block';
button.innerText = '隐藏';
} else {
cplResults.style.display = 'none';
button.innerText = '显示';
}
};
cplResults.parentElement.insertBefore(button, cplResults);
}
if (/programming\/view.php\?id=\d+/.test(location.toString())) {
AddCopyToClipboard();
// 增加历史提交情况,复制数据,隐藏编译结果
} else if (/programming\/(result|history).php\?id=\d+/.test(location.toString())) {
if (/result/.test(location.toString()))
AddHideCompileResults();
let id = location.toString().match(/id=(\d+)/)[1]; // 页面id
AddHistroysubmit(id);
AddCopyToClipboard();
// 隐藏 上传文件
} else if (/programming\/submit.php\?id=\d+/.test(location.toString())) {
document.getElementsByClassName('fitem fitem_ffilepicker')[0].style = 'display:none';
} else if (/course\/view.php\?id=\d+/.test(location.toString())) {
let id = location.toString().match(/id=(\d+)/)[1]; // 页面id
// 储存锚点 (似乎放在RefreshACStatus后面会bug)
RefreshLabels(id);
// 更新AC状态
RefreshACStatus(id);
// 增加 "自己的AC数"
AddMyACCount(id);
}
// 增加点击日期跳转
if (/mod\/programming\//.test(location.toString())) {
AddClickBack();
}
// TODO:获取提交次数
function get_submit_cnt(id) {
return s.match(/submit="\d+"/).length;
}