editor: core plugin - edumed - first approach to all three choice exercises

[fnpeditor.git] / src / editor / plugins / core / edumed / choice / choiceMulti.js

diff --git a/src/editor/plugins/core/edumed/choice/choiceMulti.js b/src/editor/plugins/core/edumed/choice/choiceMulti.js
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+++ b/src/editor/plugins/core/edumed/choice/choiceMulti.js
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+define(function(require) {
+    
+'use strict';
+
+/* globals gettext */
+
+var $ = require('libs/jquery'),
+    _ = require('libs/underscore'),
+    choiceBase = require('./choiceBase'),
+    ListView = require('./list');
+
+
+var choiceMulti = Object.create(choiceBase);
+_.extend(choiceMulti, {
+    type: 'multi',
+    createListView: function(listNode) {
+        return new ListView(this, listNode, {
+            onItemViewAdded: function(itemView) {
+                var checkbox = new CheckboxView(itemView.node.getAttr('answer') === 'true', function(checked) {
+                    itemView.node.document.transaction(function() {
+                        itemView.node.getParent('exercise.choice').object.setAnswer(itemView.node, checked);
+                    }, {
+                        metadata: {
+                            description: gettext('Change answer')
+                        }
+                    });
+                });
+                itemView.addPrefixView(checkbox);
+            }
+        });
+    },
+    onNodeAttrChange: function(event) {
+        if(this.listView.listNode.sameNode(event.meta.node.parent())) {
+            this.listView.getItemView(event.meta.node).prefixView.dom.attr('checked', event.meta.newVal === 'true');
+        }
+    }
+});
+
+var CheckboxView = function(checked, onValueChange) {
+    this.dom = $('<input type="checkbox">')
+            .attr('checked', checked);
+    this.dom.on('click', function() {
+        onValueChange(this.checked);
+    });
+};
+
+return choiceMulti;
+
+});
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