Greasy Fork is available in English.
Enable a unlimited favourite list
// ==UserScript==
// @name Luogu Favorites
// @namespace http://tampermonkey.net/
// @version v2.6.0
// @description Enable a unlimited favourite list
// @author limesarine
// @match https://www.luogu.com.cn/*
// @license © 2024 Limesarine. All rights reserved.
// @icon https://www.google.com/s2/favicons?sz=64&domain=luogu.com.cn
// @grant none
// ==/UserScript==
(function() {
'use strict';
let Pflag=false,Fflag=false;
if(localStorage.limesarine_favourite){}
else
{
localStorage.limesarine_favourite="{}";
}
let tmp=JSON.parse(localStorage.limesarine_favourite);
delete tmp.list;
localStorage.limesarine_favourite=JSON.stringify(tmp);
const observer=new MutationObserver(function(mutationsList,observer){
setTimeout(function() {
const url=document.URL;
let Pmatches=url.match(/problem\/([A-Z][A-Za-z0-9_]+)$/);
if(Pmatches && !Pflag)
{
Pflag=true;
let title="";
let spanElements=document.getElementsByTagName("span");
for(let i=0;i<spanElements.length;i++)
{
let spanElement=spanElements[i];
let titleValue=spanElement.getAttribute("title");
if(titleValue && titleValue!=Pmatches[1])
{
title=titleValue;
}
}
if(title.startsWith(Pmatches[1]))
{
title=title.substr(Pmatches[1].length+1);
}
let now=JSON.parse(localStorage.limesarine_favourite)[Pmatches[1]];
console.log(Pmatches[1],title);
let newScript=document.createElement("script");
newScript.innerHTML=`
function limesarine_add_to_favourite(pid,title)
{
let dict=JSON.parse(localStorage.limesarine_favourite);
dict[pid]=decodeURI(title);
localStorage.limesarine_favourite=JSON.stringify(dict);
alert('加入成功！');
location.reload();
}
function limesarine_delete_from_favourite(pid)
{
let dict=JSON.parse(localStorage.limesarine_favourite);
delete dict[pid];
localStorage.limesarine_favourite=JSON.stringify(dict);
alert('删除成功！');
location.reload();
}
`;
document.head.appendChild(newScript);
let newButton=document.createElement("button");
newButton.setAttribute("type","button");
newButton.setAttribute("data-v-7ade990c", "");
newButton.setAttribute("data-v-1fbfa3c2", "");
newButton.setAttribute("data-v-2dfcfd35", "");
newButton.setAttribute("class","lfe-form-sz-middle");
if(now)
{
newButton.setAttribute("style","border-color: rgba(255, 255, 255, 0.5); color: rgb(255, 255, 255); background-color: rgba(0, 0, 0, 0.5);");
newButton.setAttribute("onclick","limesarine_delete_from_favourite('"+Pmatches[1]+"');");
newButton.innerHTML="移出计划";
}
else
{
newButton.setAttribute("style","border-color: rgb(52, 152, 219); background-color: rgb(52, 152, 219);");
newButton.setAttribute("onclick","limesarine_add_to_favourite(\""+Pmatches[1]+"\",\""+encodeURI(title)+"\");");
newButton.innerHTML="加入计划";
}
let element=document.getElementsByClassName('lfe-form-sz-middle')[0];
element.parentNode.insertBefore(newButton,element.nextSibling);
}
else if((url=="https://www.luogu.com.cn" || url=="https://www.luogu.com.cn/") && !Fflag)
{
Fflag=true;
let newArticle=document.createElement("div");
newArticle.setAttribute("class","lg-article");
newArticle.innerHTML="<h2>做题计划</h2>";
let newScript=document.createElement("script");
newScript.innerHTML=`
async function limesarine_clear()
{
localStorage.limesarine_favourite="{}";
alert('清空成功！')
location.reload();
}
async function limesarine_import_from_paste()
{
let pasteid=document.getElementById('limesarine_paste_no').value;
let reply=await fetch('/paste/'+pasteid+'?_contentOnly');
let content=await reply.text();
let json=await JSON.parse(content);
localStorage.limesarine_favourite=json.currentData.paste.data;
alert('导入成功！')
location.reload();
}
async function limesarine_export_to_paste()
{
let pasteid=document.getElementById('limesarine_paste_no').value;
let response=await fetch("/paste/edit/"+pasteid, {
headers: [
["content-type", "application/json"],
["referer", "https://www.luogu.com.cn/"],
["x-csrf-token", document.querySelector("meta[name=csrf-token]").content],
],
body: JSON.stringify({
data: localStorage.limesarine_favourite,
id: pasteid,
public: true,
time: Math.floor(Date.now()/1000),
}),
method: "POST",
});
response=await response.text();
alert('导出成功！');
}
`;
document.head.appendChild(newScript);
let savedFavourites=JSON.parse(localStorage.limesarine_favourite);
for(let i in savedFavourites)
{
newArticle.innerHTML+='<div class="tasklist-item" data-pid="'+i+'"><a class="colored" style="padding-left: 3px" href="/problem/'+i+'" target="_blank"><b>'+i+'</b> '+savedFavourites[i]+'</a></div>';
}
newArticle.innerHTML+=`
<p><input type="text" class="am-form-field" placeholder="云剪贴板编号" id="limesarine_paste_no"></input></p>
<p>
<button class="am-btn am-btn-danger am-btn-sm" onclick="limesarine_import_from_paste();">导入</button>
<button class="am-btn am-btn-primary am-btn-sm" onclick="limesarine_export_to_paste();">导出</button>
<button class="am-btn am-btn-sm am-btn-success" onclick="limesarine_clear();">清空</button>
</p>
<div><small>我们提供从云剪贴板导入和导出到云剪贴板的功能。注意，导入操作将覆盖当前做题计划，请谨慎使用！</small></div>
`;
let element=document.getElementsByClassName('lg-article')[3];
element.parentNode.insertBefore(newArticle,element);
console.log(newArticle);
}
}, 750);
});
observer.observe(document,{childList:true,subtree:true});
})();