CodePTIT Copier

Script CodePTIT Copier. Xóa dòng trống thừa và copy nhanh Testcase trên CodePTIT (bản cũ lẫn mới).

Versão de: 19/08/2025. Veja: a última versão.

Você precisará instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Você precisará instalar uma extensão como o Tampermonkey para instalar este script.

Você precisará instalar um gerenciador de scripts de usuário para instalar este script.

(Eu já tenho um gerenciador de scripts de usuário, me deixe instalá-lo!)

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

(Eu já possuo um gerenciador de estilos de usuário, me deixar fazer a instalação!)

// ==UserScript==
// @name         CodePTIT Copier
// @namespace    https://github.com/nvbangg/CodePTIT_Copier
// @version      1.3
// @description  Script CodePTIT Copier. Xóa dòng trống thừa và copy nhanh Testcase trên CodePTIT (bản cũ lẫn mới).
// @author       nvbangg (https://github.com/nvbangg)
// @copyright    Copyright (c) 2025 Nguyễn Văn Bằng (nvbangg, github.com/nvbangg)
// @homepage     https://github.com/nvbangg/CodePTIT_Copier
// @match        https://code.ptit.edu.vn/student/question*
// @match        https://code.ptit.edu.vn/beta*
// @icon         https://code.ptit.edu.vn/favicon.ico
// @grant        GM_setClipboard
// @grant        GM_addStyle
// @run-at       document-start
// @license      MIT
// ==/UserScript==

//! HÃY XEM HƯỚNG DẪN TẠI: https://github.com/nvbangg/CodePTIT_Copier

(() => {
  "use strict";
  // Định dạng đuôi file khi copy Mã bài_Tên bài
  const FILE_TYPE = "."; //thay bằng ".cpp" nếu luôn tạo file .cpp
  const WORD_SEPARATOR = ""; // Thay đổi phân cách sang "_" nếu muốn
  const ICONS = {
    copy: '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="9" y="9" width="13" height="13"/><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1-2 2v1"/></svg>',
    check:
      '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>',
    rowCopy:
      '<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="9" y="9" width="13" height="13"/><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1-2 2v1"/><path d="M2 2h5v2"/></svg>',
  };

  GM_addStyle(`
  .copy-btn,.title-copy-btn,.row-copy-btn{background:rgba(30,144,255,.5);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:3px;padding:2px;position:relative;outline:none!important;user-select:none}
  .copy-btn{position:absolute;top:0;right:0}
  .title-copy-btn{margin-right:5px;vertical-align:middle}
  .row-copy-btn{position:absolute;left:-23px;top:0;background:rgba(255,165,0,.7);z-index:100}
  .row-copy-tooltip{position:absolute;bottom:100%;left:0;margin-bottom:8px;background:rgba(0,0,0,.8);color:white;padding:4px 6px;font-size:11px;white-space:nowrap;display:none;z-index:1000}
  .row-copy-btn.show-tooltip .row-copy-tooltip{display:block}
  .copied{background:rgba(50,205,50,1)!important}
`);

  const $ = (s) => document.querySelector(s);
  const $$ = (s) => [...document.querySelectorAll(s)];
  const isBeta = () => location.pathname.includes("/beta");
  const hasText = (el) => el?.textContent?.trim();
  const preventEvent = (e) => (e.preventDefault(), e.stopPropagation());
  const setRelative = (el) =>
    window.getComputedStyle(el).position === "static" &&
    (el.style.position = "relative");
  const isValidTestCase = (el) =>
    hasText(el) && !el.querySelector(".copy-btn") && !el.closest("table");
  const debounce = (fn, delay = 300) => {
    let timer;
    return (...args) => (
      clearTimeout(timer), (timer = setTimeout(() => fn(...args), delay))
    );
  };

  const showCopied = (button, duration = 800) => {
    const originalContent = button.innerHTML;
    button.innerHTML = ICONS.check;
    button.classList.add("copied");
    setTimeout(() => {
      button.innerHTML = originalContent;
      button.classList.remove("copied");
    }, duration);
  };

  const addTooltip = (btn) => {
    let timer,
      isHovering = false;
    btn.addEventListener("mouseenter", () => {
      isHovering = true;
      btn.classList.remove("show-tooltip");
      timer = setTimeout(
        () => isHovering && btn.classList.add("show-tooltip"),
        1000
      );
    });
    btn.addEventListener("mouseleave", () => {
      isHovering = false;
      clearTimeout(timer);
      btn.classList.remove("show-tooltip");
    });
  };

  const copy = (text, button) => {
    try {
      GM_setClipboard(text, "text");
      showCopied(button);
      return true;
    } catch (e) {
      console.error("Copy failed:", e);
      return false;
    }
  };

  const copyRow = (row, button) => {
    const cells = row.querySelectorAll("td");
    if (cells.length < 2) return false;
    const [output, input] = [getTestcase(cells[0]), getTestcase(cells[1])];
    if (!input.trim() && !output.trim()) return false;
    input.trim() && GM_setClipboard(input, "text");
    setTimeout(() => output.trim() && GM_setClipboard(output, "text"), 400);
    return showCopied(button, 1000), true;
  };

  const formatTitle = (title) =>
    !title
      ? ""
      : title
          .normalize("NFD")
          .replace(/[\u0300-\u036f]|[đĐ]/g, (m) =>
            m === "đ" ? "d" : m === "Đ" ? "D" : ""
          )
          .replace(/[^A-Za-z0-9]+/g, " ")
          .trim()
          .replace(/\S+/g, (w) => w[0].toUpperCase() + w.slice(1).toLowerCase())
          .replace(/ /g, WORD_SEPARATOR);

  const getTestcase = (cell) =>
    (cell.querySelector("code, pre")?.innerText ?? cell.innerText ?? "")
      .replace(
        /[\u00A0\u1680\u180E\u2000-\u200B\u202F\u205F\u3000\uFEFF]/g,
        " "
      )
      .trimEnd();

  const createButton = (type, onClick, extraContent = "") => {
    const btn = document.createElement("button");
    btn.className =
      type === "title"
        ? "title-copy-btn"
        : type === "row"
        ? "row-copy-btn"
        : "copy-btn";
    btn.innerHTML = type === "row" ? ICONS.rowCopy + extraContent : ICONS.copy;
    if (type === "row") addTooltip(btn);
    btn.addEventListener("click", onClick);
    return btn;
  };

  const addBtn = (cell) => {
    if (!hasText(cell) || cell.dataset.copyAdded) return;
    setRelative(cell);
    cell.dataset.copyAdded = "true";
    cell.appendChild(
      createButton(
        "copy",
        (e) => (
          preventEvent(e),
          ((content) => content.trim() && copy(content, e.currentTarget))(
            getTestcase(cell)
          )
        )
      )
    );
  };

  const addTitleBtn = (titleEl) => {
    if (!titleEl || titleEl.dataset.copyAdded) return;
    titleEl.dataset.copyAdded = "true";
    const btn = createButton(
      "title",
      (e) => (
        preventEvent(e),
        (({ code, title }) =>
          (code || title) &&
          copy(
            `${code.trim()}_${formatTitle(title)}${FILE_TYPE}`,
            e.currentTarget
          ))(getProblem())
      )
    );
    Object.assign(btn.style, {
      marginRight: "8px",
      verticalAlign: "middle",
      display: "inline-flex",
    });
    titleEl.insertBefore(btn, titleEl.firstChild);
  };

  const addRowBtn = (row) => {
    if (!row || row.dataset.rowCopyAdded) return;
    const cells = row.querySelectorAll("td");
    if (cells.length < 2 || !hasText(cells[0])) return;
    setRelative(cells[0]);
    row.dataset.rowCopyAdded = "true";
    cells[0].appendChild(
      createButton(
        "row",
        (e) => (preventEvent(e), copyRow(row, e.currentTarget)),
        '<div class="row-copy-tooltip">Copy input và output để Paste nhanh bằng KeyClipboard</div>'
      )
    );
  };

  const getProblem = () =>
    isBeta()
      ? {
          code: location.pathname.includes("/beta/problems/")
            ? location.pathname.split("/").pop().toUpperCase()
            : "",
          title: ($("h1") || $("h2"))?.textContent?.trim() ?? "",
        }
      : ((a) =>
          a
            ? {
                code: a.href.match(/\/([^\/]+)$/)?.[1] ?? "",
                title: a.textContent?.trim() ?? "",
              }
            : { code: "", title: "" })($(".submit__nav p span a.link--red"));

  // Chuyển p thành div trong tbody
  const convertPtoDiv = () =>
    $$("tbody p").forEach((p) => (p.outerHTML = `<div>${p.innerHTML}</div>`));

  const processLegacyPage = () => {
    const titleElement = $(".submit__nav p span a.link--red");
    titleElement && addTitleBtn(titleElement);
    $$(".submit__des tr:not(:first-child)").forEach((row) => {
      row.querySelectorAll("td").forEach(addBtn);
      addRowBtn(row);
    });
    $$(".submit__des [class*='testcase']")
      .filter(isValidTestCase)
      .forEach(addBtn);
  };

  const processBetaPage = () => {
    if (!/\/beta\/problems\/[A-Za-z0-9_]+/.test(location.pathname)) return;
    $$("table:not(.ant-table-fixed) tr:not(:first-child)").forEach((row) => {
      row
        .querySelectorAll("td")
        .forEach(
          (cell) =>
            cell?.textContent?.trim() &&
            !cell.querySelector(".copy-btn") &&
            addBtn(cell)
        );
      addRowBtn(row);
    });
    $$("[class*='testcase']").filter(isValidTestCase).forEach(addBtn);
    const titleElement = $$("h1, h2").find(
      (el) => hasText(el) && !el.parentElement?.querySelector(".title-copy-btn")
    );
    titleElement && addTitleBtn(titleElement);
  };

  const cleanup = () => {
    $$(".copy-btn, .title-copy-btn, .row-copy-btn").forEach((btn) =>
      btn.remove()
    );
    $$("[data-copy-added], [data-row-copy-added]").forEach(
      (el) => (
        el.removeAttribute("data-copy-added"),
        el.removeAttribute("data-row-copy-added")
      )
    );
  };

  const process = () => {
    const beta = isBeta();
    return (
      cleanup(), beta ? processBetaPage() : processLegacyPage(), convertPtoDiv()
    );
  };

  const observer = new MutationObserver(
    debounce(
      () =>
        observer.lastUrl !== location.href
          ? ((observer.lastUrl = location.href), process())
          : ((beta) => (beta ? processBetaPage : processLegacyPage)(),
            convertPtoDiv())(isBeta()),
      300
    )
  );
  observer.lastUrl = location.href;

  const start = () => {
    observer.observe(document.documentElement, {
      childList: true,
      subtree: true,
    });
    process();
  };

  document.readyState !== "loading"
    ? start()
    : document.addEventListener("DOMContentLoaded", start);
})();