src/editor/plugins/core/edumed/order/element.js

   1 define(function(require) {
   2
   3 'use strict';
   4
   5 /* globals gettext */
   6
   7 var _ = require('libs/underscore');
   8
   9 var elementBase = require('plugins/core/edumed/elementBase'),
  10     OrderExerciseView = require('./view');
  11
  12 var OrderExerciceElement = Object.create(elementBase);
  13 _.extend(OrderExerciceElement, {
  14     init: function() {
  15         elementBase.init.call(this);
  16
  17         this.view = new OrderExerciseView(this, this.wlxmlNode);
  18         this._container().append(this.view.dom);
  19
  20         this.view.on('newItemRequested', function() {
  21             this.wlxmlNode.document.transaction(function() {
  22                 var textNode = this.wlxmlNode.object.addItem('');
  23                 var doc = this.wlxmlNode.document;
  24                 return doc.createFragment(doc.CaretFragment, {node: textNode, offset:0});
  25             }.bind(this), {
  26                 metadata: {
  27                     description: gettext('Add item to exercise')
  28                 },
  29                 success: function(ret) {
  30                     this.canvas.select(ret);
  31                 }.bind(this)
  32             });
  33         }.bind(this));
  34
  35         this.view.on('moveAnswer', function(sourceItem, targetItem, where) {
  36             this.wlxmlNode.document.transaction(function() {
  37                 sourceItem.setAnswer(targetItem.getAnswer() + (where === 'before' ? 0 : 1));
  38             }, {
  39                 metadata: {
  40                     description: gettext('Change solution')
  41                 }
  42             });
  43         }.bind(this));
  44
  45         this.view.on('moveItem', function(sourceItem, targetItem, where) {
  46             this.wlxmlNode.document.transaction(function() {
  47                 targetItem.node[where](sourceItem.node);
  48             }, {
  49                 metadata: {
  50                     description: gettext('Change order')
  51                 }
  52             });
  53
  54         }.bind(this));
  55
  56         var exerciseNode = this.wlxmlNode;
  57         this.createContainer(this.wlxmlNode.object.getDescription(), {
  58             resetBackground: true,
  59             manages: function(node, removedFrom) {
  60                 if(node.is('list.orderable') || (removedFrom && removedFrom.is('list.orderable'))) {
  61                     return false;
  62                 }
  63                 return exerciseNode.sameNode(node.parent() || removedFrom); //!n.hasFollowingSibing(this.params.listnode);
  64             },
  65             dom: this.view.dom.find('.description')
  66         });
  67
  68         this.reloadView();
  69     },
  70     onNodeAdded: function(event) {
  71         var node = event.meta.node;
  72         if(this.wlxmlNode.object.isItemNode(node)) {
  73             this.reloadView();
  74         }
  75     },
  76     onNodeAttrChange: function(event) {
  77         var node = event.meta.node;
  78         if(node.is('item.answer') && node.parent() && node.parent().is('list.orderable')) {
  79             this.reloadView();
  80         }
  81     },
  82     onNodeDetached: function(event) {
  83         var node = event.meta.node;
  84         if(node.is('item.answer') && event.meta.parent && event.meta.parent.is('list.orderable')) {
  85             this.reloadView();
  86         }
  87     },
  88     reloadView: function() {
  89         this.view.clearItems();
  90         this.wlxmlNode.object.getItems().forEach(function(item) {
  91             this.view.addItem(item);
  92         }.bind(this));
  93     },
  94     getVerticallyFirstTextElement: function() {
  95         var toret;
  96         this.containers.some(function(container) {
  97             toret = container.getVerticallyFirstTextElement();
  98             return !!toret;
  99         });
 100         return toret;
 101     }
 102 });
 103
 104 return {tag: 'div', klass: 'exercise.order', prototype: OrderExerciceElement};
 105
 106 });