在英文题面前显示 AtCoder 中文题面。
// ==UserScript==
// @name AtCoder 中文助手
// @namespace Violentmonkey Scripts
// @match https://atcoder.jp/contests/*/tasks/*
// @grant none
// @license MIT
// @version 3.3.1
// @author Acfboy, psz2007
// @description 在英文题面前显示 AtCoder 中文题面。
// ==/UserScript==
function readTextFile(file, ext, callback) {
let xhr = new XMLHttpRequest();
xhr.overrideMimeType("application/" + ext);
xhr.open("GET", file, false);
xhr.onreadystatechange = function () {
if (xhr.readyState === 4){
callback(xhr.responseText, xhr.status);
}
}
xhr.send();
}
function getPoints() {
let cur = document.getElementsByClassName('lang-ja')[0].childNodes[1].innerHTML;
if(cur.indexOf("配点") == -1){
return "";
}else{
return cur.replace("配点", "分值").replace("点", "分");
}
}
let url = window.location.href, contId = url.split('/')[4], probId = url.split('/')[6], traId = "",
traList = [], failFlg = 0, notFoundFlg = 0, src = ""
readTextFile("https://atcoder-for-chinese-developers.github.io/translations/list.json", "json", function(txt, stat){
if(stat == 200){
traList = JSON.parse(txt).data
}else{
alert("翻译列表加载失败")
failFlg = 1
}
})
if(!failFlg){
if(!(contId in traList) || !(probId in traList[contId])){
failFlg = notFoundFlg = 1
}else{
for(let i in traList[contId][probId]){
traId = i
}
readTextFile("https://atcoder-for-chinese-developers.github.io/translations/" + contId + "." + probId + "." + traId + ".html", "html", function(txt, stat){
if(stat == 200){
src = txt
}else{
alert("翻译加载失败")
failFlg = 1
}
})
}
}
let script = document.createElement('script');
script.setAttribute('type', 'text/javascript');
script.innerText = 'function showChn() {\
document.getElementsByClassName("lang-en")[0].style = "display: none";\
document.getElementsByClassName("lang-ja")[0].style = "display: none";\
document.getElementsByClassName("lang-cn")[0].style = "display: inline";\
}\
function showEng() {\
document.getElementsByClassName("lang-en")[0].style = "display: inline";\
document.getElementsByClassName("lang-ja")[0].style = "display: none";\
document.getElementsByClassName("lang-cn")[0].style = "display: none";\
}\
function showJpn() {\
document.getElementsByClassName("lang-en")[0].style = "display: none";\
document.getElementsByClassName("lang-ja")[0].style = "display: inline";\
document.getElementsByClassName("lang-cn")[0].style = "display: none";\
}'
document.getElementsByTagName('head')[0].appendChild(script);
let isOldCont = document.getElementById("task-statement").childElementCount > 1;
if(document.getElementById("task-statement").childNodes[1].getAttribute("id") != null){
isOldCont = 1
document.getElementById("task-statement").innerHTML = document.getElementById("task-statement").childNodes[1].innerHTML
}
if(isOldCont){
document.getElementById("task-lang-btn").setAttribute("style","display: block;")
document.getElementById("task-lang-btn").innerHTML=document.getElementById("task-lang-btn").innerHTML.replace(" / ", "")
document.getElementById("task-lang-btn").innerHTML=document.getElementById("task-lang-btn").innerHTML.replace("<span data-lang=\"ja\">", "<span onclick=\"showJpn()\" data-lang=\"ja\">")
document.getElementById("task-lang-btn").innerHTML=document.getElementById("task-lang-btn").innerHTML.replace("<span data-lang=\"en\">", "<span style=\"display: none;\" data-lang=\"en\">")
let langSpan = document.createElement('span'),
jaSta = document.getElementById("task-statement").innerHTML,
jaSpan = document.createElement("span"),
enSpan = document.createElement("span")
enSpan.setAttribute("class", "lang-en")
jaSpan.setAttribute("class", "lang-ja")
jaSpan.setAttribute("style", "display: inline;")
jaSpan.innerHTML = jaSta
langSpan.setAttribute("class", "lang")
langSpan.appendChild(jaSpan)
langSpan.appendChild(enSpan)
document.getElementById("task-statement").innerHTML="";
document.getElementById("task-statement").appendChild(langSpan);
}
let allBtn = document.getElementById('task-lang-btn'), chnBtn = document.createElement('span');
chnBtn.setAttribute('data-lang', 'cn')
chnBtn.innerHTML = ' / <img src=\"//img.atcoder.jp/assets/flag/CN.png\">'
chnBtn.setAttribute('onclick', 'showChn()')
allBtn.appendChild(chnBtn)
let cnSpan = document.createElement('span')
cnSpan.setAttribute('class', 'lang-cn')
if(notFoundFlg){
cnSpan.innerHTML = "暂无中文题面，欢迎<a href=\"https://github.com/atcoder-for-chinese-developers/atcoder-for-chinese\">贡献</a>！"
}else if(failFlg){
cnSpan.innerHTML = "翻译加在过程中出现错误，请刷新界面并重试。"
}else{
cnSpan.innerHTML = getPoints() + src;
}
document.getElementsByClassName('lang')[0].appendChild(cnSpan)