AtCoder の印刷用問題文に Copy ボタンを追加します。
Tính đến
// ==UserScript==
// @name AtCoder Print Task Copy
// @name:en AtCoder Print Task Copy
// @namespace https://github.com/kichi2004/atcoder-print-task-copy/tree/master
// @version 1.0
// @description AtCoder の印刷用問題文に Copy ボタンを追加します。
// @description:en Add copy buttons to tasks_print page.
// @author kichi2004
// @include https://atcoder.jp/contests/*/tasks_print*
// @grant none
// @require http://code.jquery.com/jquery-1.12.4.min.js
// ==/UserScript==
'use strict';
(function () {
if (document.queryCommandSupported('copy')) {
$('#task-statement h3+pre').each(function (i) {
const id = 'pre-sample' + i
$(this).attr('id', id)
const h3 = $(this).prev('h3')
h3.append(' <span class="btn btn-default btn-sm btn-copy" tabindex="0" data-toggle="tooltip" data-trigger="manual" title="Copied!" data-target="' + id + '">Copy</span>')
$(this).before('<div class="div-btn-copy"><span class="btn-copy btn-pre" tabindex="0" data-toggle="tooltip" data-trigger="manual" title="Copied!" data-target="' + id + '">Copy</span></div>')
})
let cnt = 0
$('pre.prettyprint').each(function () {
const pre_id = 'for_copy' + cnt
const btn_html = '<div class="div-btn-copy"><span class="btn-copy btn-pre" tabindex="0" data-toggle="tooltip" data-trigger="manual" title="Copied!" data-target="' + pre_id + '">Copy</span></div>'
$(this).before(btn_html)
$(this).addClass('source-code')
const for_copy_html = '<pre id="' + pre_id + '" class="source-code-for-copy"></pre>'
$(this).after($(for_copy_html).text($(this).text()))
cnt++
})
}
$('.btn-copy').click(function () {
window.getSelection().removeAllRanges()
try {
const range = document.createRange()
range.selectNode($('#' + $(this).data('target')).get(0))
window.getSelection().addRange(range)
document.execCommand('copy')
} catch (err) {
console.log(err)
}
window.getSelection().removeAllRanges()
})
})()
// randint
function rand() {
const range = [0, 100000]
return Math.floor(Math.random() * (range[1] - range[0])) + range[0]
}