AtCoder copy button adder

AtCoderの問題文中の文字列にの横にコピーボタンを置きます。

As of 22. 01. 2024. See the latest version.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         AtCoder copy button adder
// @namespace    https://github.com/H20-DHMO
// @version      1.1
// @description  AtCoderの問題文中の文字列にの横にコピーボタンを置きます。
// @author       H20_dhmo
// @license      MIT
// @match        https://atcoder.jp/contests/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // copy button
    function copyButton() {
        window.getSelection().removeAllRanges();
        try {
            const targetId = $(this).data('target');
            const text = $('#' + targetId).text();
            navigator.clipboard.writeText(text).then(() => {
                $(this).tooltip('show');
                $(this).blur();
                setTimeout(() => { $(this).tooltip('hide'); }, 800);
            });
        } catch (err) {
            console.log(err);
        }
        window.getSelection().removeAllRanges();
    }


    function addCopyButton(element) {
        // コピー用のボタン(span要素)を作成
        const uuid = self.crypto.randomUUID();
        element.setAttribute('id', uuid);

        const copyBtn = $(`<span class="btn btn-default btn-xs btn-copy ml-1" tabindex="0" data-toggle="tooltip" data-trigger="manual" title="Copied!" data-target="${uuid}">Copy</span>`);
        $(element).after(copyBtn);
        copyBtn.click(copyButton);
    }

    // 問題内の<code>要素を取得
    const codes = document.querySelectorAll('#task-statement .part code');
    codes.forEach(function(elm) {
        addCopyButton(elm);
    });

})();