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Wanikani Override

Adds an "Ignore Answer" button during reviews that makes WaniKani ignore the current answer (useful if, for example, you made a stupid typo)

  1. // ==UserScript==
  2. // @name        Wanikani Override
  3. // @namespace   wkoverride
  4. // @description Adds an "Ignore Answer" button during reviews that makes WaniKani ignore the current answer (useful if, for example, you made a stupid typo)
  5. // @include     http://www.wanikani.com/review/session*
  6. // @include     https://www.wanikani.com/review/session*
  7. // @version     1.2
  8. // @author      Mempo
  9. // @grant       GM_addStyle
  10. // @grant       unsafeWindow
  11. // @require     http://code.jquery.com/jquery-1.11.2.min.js
  12. // @license     GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
  13. // ==/UserScript==
  14.  
  15. //Original author: Rui Pinheiro
  16.  
  17. // ESC shortcut
  18.  
  19.  
  20. /*
  21.  * Debug Settings
  22.  */
  23. var debugLogEnabled = true;
  24. var scriptShortName = 'WKO';
  25. scriptLog = debugLogEnabled ? function (msg) {
  26.   if (typeof msg === 'string') {
  27.     console.log(scriptShortName + ': ' + msg);
  28.   } else {
  29.     console.log(msg);
  30.   }
  31. }
  32.  : function () {
  33. };
  34. /*
  35.  * Other settings
  36.  */
  37. var prefAllowUnignore = true;
  38. /*
  39.  * "Ignore Answer" Button Click
  40.  */
  41. var ActionEnum = Object.freeze({
  42.   ignore: 0,
  43.   unignore: 1
  44. });
  45. function WKO_ignoreAnswer()
  46. {
  47.   try
  48.   {
  49.     /* Check if the current item was answered incorrectly */
  50.     var elmnts = document.getElementsByClassName('incorrect');
  51.     var elmnts2 = document.getElementsByClassName('WKO_ignored');
  52.     
  53.     var curAction;
  54.     if (!isEmpty(elmnts[0])) // Current answer is wrong
  55.     curAction = ActionEnum.ignore;
  56.      else if (prefAllowUnignore && !isEmpty(elmnts2[0])) // Current answer is ignored
  57.     curAction = ActionEnum.unignore;
  58.      else
  59.     // Either there is no current answer, or it's correct
  60.     {
  61.       alert('WKO: Current item wasn\'t answered incorrectly, nor ignored previously!');
  62.       return false;
  63.     }
  64.  
  65.     /* Grab information about current question */
  66.  
  67.     var curItem = $.jStorage.get('currentItem');
  68.     var questionType = $.jStorage.get('questionType');
  69.  
  70.     /* Build item name */
  71.     var itemName;
  72.     if (curItem.rad)
  73.     itemName = 'r';
  74.      else if (curItem.kan)
  75.     itemName = 'k';
  76.      else
  77.     itemName = 'v';
  78.     itemName += curItem.id;
  79.     scriptLog(itemName);
  80.     /* Grab item from jStorage.
  81.          * 
  82.          * item.rc and item.mc => Reading/Meaning Completed (if answered the item correctly)
  83.          * item.ri and item.mi => Reading/Meaning Invalid (number of mistakes before answering correctly)
  84.          */
  85.     var item = $.jStorage.get(itemName) || {
  86.     };
  87.     /* Update the item data */
  88.     if (questionType === 'meaning')
  89.     {
  90.       if (!('mi' in item) || isEmpty(item.mi))
  91.       {
  92.         throw Error('item.mi undefined');
  93.         return false;
  94.       } 
  95.       else if (item.mi < 0 || (item.mi == 0 && curAction == ActionEnum.ignore))
  96.       {
  97.         throw Error('item.mi too small');
  98.         return false;
  99.       }
  100.       if (curAction == ActionEnum.ignore)
  101.       item.mi -= 1;
  102.        else
  103.       item.mi += 1;
  104.       delete item.mc;
  105.     } 
  106.     else
  107.     {
  108.       if (!('ri' in item) || isEmpty(item.ri))
  109.       {
  110.         throw Error('item.ri undefined');
  111.         return false;
  112.       } 
  113.       else if (item.ri < 0 || (item.ri == 0 && curAction == ActionEnum.ignore))
  114.       {
  115.         throw Error('i.ri too small');
  116.         return false;
  117.       }
  118.       if (curAction == ActionEnum.ignore)
  119.       item.ri -= 1;
  120.        else
  121.       item.ri += 1;
  122.       delete item.rc;
  123.     }
  124.     /* Save the new state back into jStorage */
  125.  
  126.     $.jStorage.set(itemName, item);
  127.     /* Modify the questions counter and wrong counter and change the style of the answer field */
  128.     var wrongCount = $.jStorage.get('wrongCount');
  129.     var questionCount = $.jStorage.get('questionCount');
  130.     if (curAction == ActionEnum.ignore)
  131.     {
  132.       $.jStorage.set('wrongCount', wrongCount - 1);
  133.       $.jStorage.set('questionCount', questionCount - 1);
  134.       $('#answer-form fieldset').removeClass('incorrect');
  135.       $('#answer-form fieldset').addClass('WKO_ignored');
  136.     } 
  137.     else
  138.     {
  139.       $.jStorage.set('wrongCount', wrongCount + 1);
  140.       $.jStorage.set('questionCount', questionCount + 1);
  141.       $('#answer-form fieldset').removeClass('WKO_ignored');
  142.       $('#answer-form fieldset').addClass('incorrect');
  143.     }
  144.     return true;
  145.   } 
  146.   catch (err) {
  147.     logError(err);
  148.   }
  149. }
  150. /*
  151.  * Bind '~' as a hotkey 
  152.  */
  153.  
  154. function bindHotkey()
  155. {
  156.   jQuery(document).on('keydown.reviewScreen', function (event)
  157.   {
  158.     if ($('#reviews').is(':visible') && !$('*:focus').is('textarea, input'))
  159.     {
  160.       //alert('keycode: ' + event.keyCode);
  161.       switch (event.keyCode) {
  162.         //case 176: //Firefox '~'
  163.         //case 192: //Chrome '~'
  164.         case 27: // ESC Button
  165.           event.stopPropagation();
  166.           event.preventDefault();
  167.           if ($('#user-response').is(':disabled'))
  168.            WKO_ignoreAnswer();
  169.           return false;
  170.           break;
  171.       }
  172.     }
  173.   });
  174. }
  175. /*
  176.  * Inject Ignore Button
  177.  */
  178.  
  179. function addIgnoreAnswerBtn()
  180. {
  181.   var footer = document.getElementsByTagName('footer'),
  182.       $btn = jQuery('<div id="WKO_button" title="Ignore Answer">Ignore Answer</div>').on('click', WKO_ignoreAnswer);
  183.   jQuery(footer[0]).prepend($btn);
  184. }
  185. /*
  186.  * Prepares the script
  187.  */
  188.  
  189. function scriptInit()
  190. {
  191.   // Add global CSS styles
  192.   GM_addStyle('#WKO_button {background-color: #CC0000; color: #FFFFFF; cursor: pointer; display: inline-block; font-size: 0.8125em; padding: 10px; vertical-align: bottom;}');
  193.   GM_addStyle('#answer-form fieldset.WKO_ignored input[type="text"]:-moz-placeholder, #answer-form fieldset.WKO_ignored input[type="text"]:-moz-placeholder {color: #FFFFFF; font-family: "Source Sans Pro",sans-serif; font-weight: 300; text-shadow: none; transition: color 0.15s linear 0s; } #answer-form fieldset.WKO_ignored button, #answer-form fieldset.WKO_ignored input[type="text"], #answer-form fieldset.WKO_ignored input[type="text"]:disabled { background-color: #FFCC00 !important; }');
  194.   scriptLog('loaded');
  195.   // Set up hooks
  196.   try
  197.   {
  198.     addIgnoreAnswerBtn();
  199.     bindHotkey();
  200.   } 
  201.   catch (err) {
  202.     logError(err);
  203.   }
  204. }
  205. /*
  206.  * Helper Functions/Variables
  207.  */
  208.  
  209. //use 'jQuery' for greasemonkey's version, $ is WK's jQuery
  210.  
  211. $ = unsafeWindow.$;
  212. function isEmpty(value) {
  213.   return (typeof value === 'undefined' || value === null);
  214. }
  215. /*
  216.  * Error handling
  217.  * Can use 'error.stack', not cross-browser (though it should work on Firefox and Chrome)
  218.  */
  219.  
  220. function logError(error)
  221. {
  222.   var stackMessage = '';
  223.   if ('stack' in error)
  224.   stackMessage = '\n\tStack: ' + error.stack;
  225.   console.error(scriptShortName + ' Error: ' + error.name + '\n\tMessage: ' + error.message + stackMessage);
  226. }
  227. /*
  228.  * Start the script
  229.  */
  230.  
  231. scriptInit();
  232.  
  233. // Hook into App Store
  234. try { $('.app-store-menu-item').remove(); $('<li class="app-store-menu-item"><a href="https://community.wanikani.com/t/there-are-so-many-user-scripts-now-that-discovering-them-is-hard/20709">App Store</a></li>').insertBefore($('.navbar .dropdown-menu .nav-header:contains("Account")')); window.appStoreRegistry = window.appStoreRegistry || {}; window.appStoreRegistry[GM_info.script.uuid] = GM_info; localStorage.appStoreRegistry = JSON.stringify(appStoreRegistry); } catch (e) {}

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