使您更方便地使用Codeforces
Stan na
// ==UserScript==
// @name Fast-Codeforces
// @namespace Violentmonkey Scripts
// @version 0.1.0a
// @match *://codeforces.com/*
// @match *://codeforc.es/*
// @match *://codeforces.ml/*
// @description 使您更方便地使用Codeforces
// @author xcxxcx
// @require https://code.jquery.com/jquery-3.4.1.min.js
// ==/UserScript==
const Name="fast-codeforces-",JPar=JSON.parse,JStr=JSON.stringify;
function gets(dir){
if((Name+dir) in localStorage ===false)return void 0;
return JPar(localStorage[Name+dir]);
}
function puts(dir,val){if(val!==void 0)localStorage[Name+dir]=JStr(val);}
var user=$(".lang-chooser>div:eq(1)>a:eq(0)").html();
var prolist=gets("problem"),focpro;
if(prolist===void 0){puts("problem",[]);prolist=[];}
function hidepro(ID){$("#fc-problem-menu-"+ID).removeClass("focpro");$("#fc-problem-"+ID+",#fc-bar-problem-"+ID).hide();}
function showpro(ID){$("#fc-problem-menu-"+ID).addClass("focpro");$("#fc-problem-"+ID+",#fc-bar-problem-"+ID).show();}
function hidepro_(){$("#fc-problem,#fc-bar-problem").hide();$("#pageContent,#pre-bar").show();$("#fc-menu-problem").css("background-color","white");}
function showpro_(){$("#fc-problem,#fc-bar-problem").show();$("#pageContent,#pre-bar").hide();$("#fc-menu-problem").css("background-color","#AAAAAA");}
function getpro(url){
var x=$.ajax({
async:false,
method:"GET",
url:"/problemset/problem/"+url,
data:{},
success:function(e){return e;},
error:function(e){console.log("ERROR");return e;}
});
x=$(x.responseText);
return [x.find(`.problem-statement`),x.find(`#sidebar`)];
}
function addpro(x,y){
$("#fc-problem-menu-add").before(`<li id="fc-problem-menu-`+x+y+`"><a>`+x+y+`</a><a style="bor">X</a></li>`);
var node=$("#fc-problem-menu-"+x+y).children();
$(node[0]).click(function(){
if(focpro!==void 0)hidepro(focpro);
showpro(this.innerHTML);focpro=this.innerHTML;
});
$(node[1]).click(function(){
var fa=$(this).parent(),ID=fa.children()[0].innerHTML;
if(focpro===ID){
var pos=prolist.indexOf(ID);prolist.splice(pos,1);
if(pos===prolist.length)--pos;
if(pos!==-1){focpro=prolist[pos];showpro(focpro);}
else focpro=void 0;
}
fa.remove();$("#fc-problem-"+ID).remove();
});
var pro=getpro(x+"/"+y);
$("#fc-problem-contain").append(pro[0].attr("id","fc-problem-"+x+y));
$("#fc-bar-problem").append(pro[1].attr("id","fc-bar-problem-"+x+y));
if(focpro!==void 0)hidepro(focpro);
showpro(x+y);focpro=x+y;prolist.push(focpro);
MathJax.Hub.Queue(["Typeset", MathJax.Hub,"fc-problem-"+x+y]);
}
function newpro(){
var ID=prompt("请输入题号");
if(ID===""||ID===null)return;
if(typeof ID!=="string"){alert("请输入正确的题号");return;}
var A=ID.substr(ID.length-1);ID=parseFloat(ID.substr(0,ID.length-1));
if(parseInt(ID)!==ID){alert("请输入正确的题号");return;}
addpro(ID,A);
}
function func_pro(){
if($("#fc-problem").css("display")==="none")showpro_();
else hidepro_();
}
function init_pro(){
$("#pageContent").after(`<div id="fc-problem" class="content-with-sidebar" style="display:none;margin:1em;padding-top:1em;min-height:20em">
<div class="second-level-menu">
<style>
.focpro{background-color:grey;}
#fc-problem-menu>li{border-radius:12px;}
</style>
<ul class="second-level-menu-list" id="fc-problem-menu">
<li id="fc-problem-menu-add"><a>+add problem</a></li>
<li id="fc-problem-menu-close"><a>-hide window</a></li>
</ul>
</div>
<div class="problemindexholder">
<div class="ttypography" id="fc-problem-contain"></div>
</div>
</div>`);
var link=$("link"),sideCSS=false,statCSS;
for(var i=0;i<link.leng;++i){
switch($(link[i]).attr("href")){
case "//sta.codeforces.com/s/63369/css/sidebar-menu.css":sideCSS=true;break;
case "//sta.codeforces.com/s/31021/css/status.css":statCSS=true;break;
}
}
if(!sideCSS)$("head").append($(`<link rel="stylesheet" href="//sta.codeforces.com/s/37050/css/sidebar-menu.css"/>`));
if(!statCSS)$("head").append($(`<link rel="stylesheet" href="//sta.codeforces.com/s/31021/css/status.css"/>`));
$("#fc-bar-menu").after(`<div id="fc-bar-problem" style="display:none"></div>`);
$("#fc-problem-menu-add").click(newpro);
$("#fc-problem-menu-close").click(hidepro_);
}
var funclist={"problem":{name:"查看题目",init:init_pro,func:func_pro}};
var list=["problem"],len=list.length;
function CreateEle(id){
var obj=funclist[id];obj.init();
$("#fc-stop").before($(`<a id="fc-menu-`+id+`" style="border-radius:3px">`+obj.name+`</a><br/>`));
$("#fc-menu-"+id).click(obj.func);
}
function showLogin(){
$("#fc-menu").html(`<a href="javascript:;" id="fc-start">开始使用Fast Codeforces</a>`);
$("#fc-start").click(function(){
if(confirm("您确认要使用Fast Codeforces?")===false)return;
puts("using",true);alert("授权成功");showMain();
});
}
function showMain(){
$("#fc-menu").html(`<a href="javascript:;" id="fc-stop">停止使用Fast Codeforces</a>`);
$("#fc-stop").click(function(){
if(confirm("您确认要停止使用Fast Codeforces?")===false)return;
puts("using",false);alert("Fast Codeforces已停止");showLogin();
});
for(var i=0;i<len;++i)CreateEle(list[i]);
}
$(document).ready(function(){
if($("#sidebar").length===0)return;
var sidebar=$("#sidebar").html();
$("#sidebar").html(`<div id="fc-bar"><div class="roundbox sidebox" id="fc-bar-menu">
<div class="roundbox-lt"> </div>
<div class="roundbox-rt"> </div>
<div class="caption titled">→ Fast Codeforces<div class="top-links"><a href="https://github.com/xcx-xcx/fast-codeforces">帮助</a></div></div>
<div style="padding:0.5em">
<div id="fc-menu" style="text-align:center;border-bottom:1px solid rgb(185,185,185);margin:0 -0.5em 0.5em -0.5em;padding:0 1em 0.5em 1em"></div>
</div></div></div><div id="pre-bar">`+sidebar+`</div>`);
if($(".header-bell").length===0)$("#fc-menu").html(`<span>请登录后再使用！</span>`);
else if(gets("using"))showMain();
else showLogin();
});