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atcoder-problem-navigator

Show a navigation bar on AtCoder contest pages for jumping to problems

От 22.05.2019. Виж последната версия.

  1. // ==UserScript==
  2. // @name         atcoder-problem-navigator
  3. // @namespace    https://github.com/yoshrc
  4. // @version      1.0
  5. // @description  Show a navigation bar on AtCoder contest pages for jumping to problems
  6. // @author       yoshrc
  7. // @match        https://atcoder.jp/contests/*
  8. // @grant        none
  9. // @require http://code.jquery.com/jquery-3.3.1.min.js
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.     const scriptName = 'atcoder-problem-navigator';
  15.  
  16.     const contest = location.href.match(/^https:\/\/atcoder\.jp\/contests\/([^\/]+)/)[1];
  17.     const key = scriptName + "-" + contest;
  18.  
  19.     if (location.href.match(/^https:\/\/atcoder\.jp\/contests\/([^\/]+)\/tasks\/?$/)) {
  20.         console.log(contest);
  21.         const problems = [];
  22.         const $rows = $('tbody>tr');
  23.         for (let i = 0; i < $rows.length; i++) {
  24.             console.log(i);
  25.             const $links = $rows.eq(i).find('a');
  26.             const href = $links.eq(0).attr('href');
  27.             console.log(href);
  28.             const text = $links.eq(0).text() + " - " + $links.eq(1).text();
  29.             problems.push({
  30.                 href: href,
  31.                 text: text
  32.             });
  33.         }
  34.         localStorage[key] = JSON.stringify(problems);
  35.     }
  36.  
  37.     if (key in localStorage) {
  38.         let problems = JSON.parse(localStorage[key]);
  39.         const $contestBar = $('#contest-nav-tabs');
  40.         const $problemsBar = $('<ul class="nav nav-tabs"></ul>');
  41.         for (let i = 0; i < problems.length; i++) {
  42.             const $span = $('<span style="margin-left: 10px; margin-right: 10px; white-space: nowrap"></span>')
  43.             const $link = $('<a></a>')
  44.                   .attr('href', problems[i].href)
  45.                   .text(problems[i].text);
  46.             $span.append($link);
  47.             const $separator = $('<span></span>');
  48.             $problemsBar.append($span);
  49.             $problemsBar.append($separator);
  50.         }
  51.         $contestBar.append($problemsBar);
  52.     }
  53. })();