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atcoder-keyboard-shortcuts

atcoder keyboard shortcuts

  1. // ==UserScript==
  2. // @name         atcoder-keyboard-shortcuts
  3. // @namespace    https://halmk.github.io/
  4. // @version      0.1
  5. // @description  atcoder keyboard shortcuts
  6. // @author       springroll
  7. // @match        https://atcoder.jp/contests/*/tasks/*
  8. // @grant         none
  9. // @require       https://unpkg.com/hotkeys-js/dist/hotkeys.min.js
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.     var copySample = function(index) {
  15.         window.getSelection().removeAllRanges();
  16.         try {
  17.             var range = document.createRange();
  18.             range.selectNode($('#pre-sample'+(2*(index-1))).get(0));
  19.             window.getSelection().addRange(range);
  20.             document.execCommand('copy');
  21.         } catch (err) {
  22.             console.log(err);
  23.         }
  24.         alert("Copied Sample" + index + ".");
  25.         window.getSelection().removeAllRanges();
  26.     };
  27.  
  28.     var pasteSourceCode = function() {
  29.         try {
  30.             var pasteArea = document.getElementsByTagName('textarea')[0];
  31.             pasteArea.focus();
  32.             document.execCommand('paste');
  33.         } catch (err) {
  34.             console.log(err);
  35.         }
  36.     };
  37.  
  38.     var submitCode = function() {
  39.         try {
  40.             var btn = document.getElementById('submit');
  41.             btn.click();
  42.         } catch (err) {
  43.             console.log(err);
  44.         }
  45.     };
  46.  
  47.     hotkeys('shift+1,shift+2,shift+3,shift+4,shift+5', function (event, handler){
  48.         switch (handler.key) {
  49.             case 'shift+1':
  50.                 copySample(1);
  51.                 break;
  52.             case 'shift+2':
  53.                 copySample(2);
  54.                 break;
  55.             case 'shift+3':
  56.                 copySample(3);
  57.                 break;
  58.             case 'shift+4':
  59.                 copySample(4);
  60.                 break;
  61.             case 'shift+5':
  62.                 copySample(5);
  63.                 break;
  64.             default: alert(event);
  65.         }
  66.     });
  67.  
  68.     hotkeys('shift+a, cmd+shift+s', function (event, handler) {
  69.         switch (handler.key) {
  70.             case 'shift+a':
  71.                 pasteSourceCode();
  72.                 break;
  73.             case 'cmd+shift+s':
  74.                 submitCode();
  75.                 break;
  76.             default: alert(event);
  77.         }
  78.     });
  79. })();