[Summary view] [Print] [Text view]

   1  YUI.add('moodle-mod_quiz-quizbase', function (Y, NAME) {
   2  
   3  /**
   4   * The quizbase class to provide shared functionality to Modules within Moodle.
   5   *
   6   * @module moodle-mod_quiz-quizbase
   7   */
   8  var QUIZBASENAME = 'mod_quiz-quizbase';
   9  
  10  var QUIZBASE = function() {
  11      QUIZBASE.superclass.constructor.apply(this, arguments);
  12  };
  13  
  14  /**
  15   * The coursebase class to provide shared functionality to Modules within
  16   * Moodle.
  17   *
  18   * @class M.course.coursebase
  19   * @constructor
  20   */
  21  Y.extend(QUIZBASE, Y.Base, {
  22      // Registered Modules
  23      registermodules: [],
  24  
  25      /**
  26       * Register a new Javascript Module
  27       *
  28       * @method register_module
  29       * @param {Object} The instantiated module to call functions on
  30       * @chainable
  31       */
  32      register_module: function(object) {
  33          this.registermodules.push(object);
  34  
  35          return this;
  36      },
  37  
  38      /**
  39       * Invoke the specified function in all registered modules with the given arguments
  40       *
  41       * @method invoke_function
  42       * @param {String} functionname The name of the function to call
  43       * @param {mixed} args The argument supplied to the function
  44       * @chainable
  45       */
  46      invoke_function: function(functionname, args) {
  47          var module;
  48          for (module in this.registermodules) {
  49              if (functionname in this.registermodules[module]) {
  50                  this.registermodules[module][functionname](args);
  51              }
  52          }
  53  
  54          return this;
  55      }
  56  }, {
  57      NAME: QUIZBASENAME,
  58      ATTRS: {}
  59  });
  60  
  61  // Ensure that M.course exists and that coursebase is initialised correctly
  62  M.mod_quiz = M.mod_quiz || {};
  63  M.mod_quiz.quizbase = M.mod_quiz.quizbase || new QUIZBASE();
  64  
  65  // Abstract functions that needs to be defined per format (course/format/somename/format.js)
  66  M.mod_quiz.edit = M.mod_quiz.edit || {};
  67  
  68  /**
  69   * Swap section (should be defined in format.js if requred)
  70   *
  71   * @param {YUI} Y YUI3 instance
  72   * @param {string} node1 node to swap to
  73   * @param {string} node2 node to swap with
  74   * @return {NodeList} section list
  75   */
  76  M.mod_quiz.edit.swap_sections = function(Y, node1, node2) {
  77      var CSS = {
  78          COURSECONTENT: 'mod-quiz-edit-content',
  79          SECTIONADDMENUS: 'section_add_menus'
  80      };
  81  
  82      var sectionlist = Y.Node.all('.' + CSS.COURSECONTENT + ' li.section');
  83      // Swap menus.
  84      sectionlist.item(node1).one('.' + CSS.SECTIONADDMENUS).swap(sectionlist.item(node2).one('.' + CSS.SECTIONADDMENUS));
  85  };
  86  
  87  /**
  88   * Process sections after ajax response (should be defined in format.js)
  89   * If some response is expected, we pass it over to format, as it knows better
  90   * hot to process it.
  91   *
  92   * @param {YUI} Y YUI3 instance
  93   * @param {NodeList} list of sections
  94   * @param {array} response ajax response
  95   * @param {string} sectionfrom first affected section
  96   * @param {string} sectionto last affected section
  97   * @return void
  98   */
  99  M.mod_quiz.edit.process_sections = function(Y, sectionlist, response, sectionfrom, sectionto) {
 100      var CSS = {
 101          SECTIONNAME: 'sectionname'
 102      },
 103      SELECTORS = {
 104          SECTIONLEFTSIDE: '.left .section-handle img'
 105      };
 106  
 107      if (response.action === 'move') {
 108          // If moving up swap around 'sectionfrom' and 'sectionto' so the that loop operates.
 109          if (sectionfrom > sectionto) {
 110              var temp = sectionto;
 111              sectionto = sectionfrom;
 112              sectionfrom = temp;
 113          }
 114  
 115          // Update titles and move icons in all affected sections.
 116          var ele, str, stridx, newstr;
 117  
 118          for (var i = sectionfrom; i <= sectionto; i++) {
 119              // Update section title.
 120              sectionlist.item(i).one('.' + CSS.SECTIONNAME).setContent(response.sectiontitles[i]);
 121  
 122              // Update move icon.
 123              ele = sectionlist.item(i).one(SELECTORS.SECTIONLEFTSIDE);
 124              str = ele.getAttribute('alt');
 125              stridx = str.lastIndexOf(' ');
 126              newstr = str.substr(0, stridx + 1) + i;
 127              ele.setAttribute('alt', newstr);
 128              ele.setAttribute('title', newstr); // For FireFox as 'alt' is not refreshed.
 129  
 130              // Remove the current class as section has been moved.
 131              sectionlist.item(i).removeClass('current');
 132          }
 133          // If there is a current section, apply corresponding class in order to highlight it.
 134          if (response.current !== -1) {
 135              // Add current class to the required section.
 136              sectionlist.item(response.current).addClass('current');
 137          }
 138      }
 139  };
 140  
 141  
 142  }, '@VERSION@', {"requires": ["base", "node"]});