src/editor/plugins/core/edumed/choice/choiceSingle.js

   1 define(function(require) {
   2
   3 'use strict';
   4
   5 /* globals gettext */
   6
   7 var $ = require('libs/jquery'),
   8     _ = require('libs/underscore'),
   9     choiceBase = require('./choiceBase'),
  10     ListView = require('./list');
  11
  12
  13 var choiceSingle = Object.create(choiceBase);
  14 _.extend(choiceSingle, {
  15     type: 'single',
  16     init: function() {
  17         this._comboName = _.uniqueId('edumed_exercise_hash_');
  18         choiceBase.init.call(this);
  19     },
  20     createListView: function(listNode) {
  21         var el = this;
  22         return new ListView(this, listNode, {
  23             onItemViewAdded: function(itemView) {
  24                 var radiobox = new RadioView(itemView.node.getAttr('answer') === 'true', el._comboName, function() {
  25                     itemView.node.document.transaction(function() {
  26                         itemView.node.getParent('exercise.choice').object.markAsAnswer(itemView.node);
  27                     }, {
  28                         metadata: {
  29                             description: gettext('Change answer')
  30                         }
  31                     });
  32
  33                 });
  34                 itemView.addPrefixView(radiobox);
  35             }
  36         });
  37     },
  38     onNodeAttrChange: function(event) {
  39         if(this.listView.listNode.sameNode(event.meta.node.parent())) {
  40             this.listView.getItemView(event.meta.node).prefixView.dom.attr('checked', event.meta.newVal === 'true');
  41         }
  42     }
  43 });
  44
  45 var RadioView = function(checked, name, onValueChange) {
  46     this.dom = $('<input type="radio" style="float: left; margin-right: 40px;">')
  47             .attr('checked', checked)
  48             .attr('name', name);
  49     this.dom.on('change', function() {
  50         onValueChange(this.checked);
  51     });
  52 };
  53
  54 return choiceSingle;
  55
  56 });