editor: fixing, refactoring, improving styling in choice exercises

[fnpeditor.git] / src / editor / modules / documentCanvas / canvas / elementsRegister.js

diff --git a/src/editor/modules/documentCanvas/canvas/elementsRegister.js b/src/editor/modules/documentCanvas/canvas/elementsRegister.js
index 24a700a..7b2cf99 100644 (file)
--- a/src/editor/modules/documentCanvas/canvas/elementsRegister.js
+++ b/src/editor/modules/documentCanvas/canvas/elementsRegister.js
@@ -5,9 +5,10 @@ var _ = require('libs/underscore'),
     wlxml = require('wlxml/wlxml');
 
 
     wlxml = require('wlxml/wlxml');
 
 

-var ElementsRegister = function(BaseType) {
+var ElementsRegister = function(BaseType, NullType) {

     this._register = {};
     this.BaseType = BaseType;
     this._register = {};
     this.BaseType = BaseType;

+    this.NullType = NullType;

 };
 
 _.extend(ElementsRegister.prototype, {
 };
 
 _.extend(ElementsRegister.prototype, {


@@ -21,7 +22,7 @@ _.extend(ElementsRegister.prototype, {
     },
     register: function(params) {
         params.klass = params.klass || '';
     },
     register: function(params) {
         params.klass = params.klass || '';

-        params.prototype = params.prototype || Object.create({});
+        params.prototype = params.prototype || this.NullType;

 
         this._register[params.tag] = this._register[params.tag] || {};
         this._register[params.tag][params.klass] = this.createCanvasElementType(params.prototype);
 
         this._register[params.tag] = this._register[params.tag] || {};
         this._register[params.tag][params.klass] = this.createCanvasElementType(params.prototype);


@@ -37,9 +38,6 @@ _.extend(ElementsRegister.prototype, {
                 }
             }.bind(this));
         }
                 }
             }.bind(this));
         }

-        if(!Factory) {
-            Factory = this.BaseType;
-        }

         return Factory;
     }
 });
         return Factory;
     }
 });