Add lp_item as a resource that can have extra fields

main/inc/lib/extra_field.lib.php

@@ -95,6 +95,9 @@ class ExtraField extends Model
             case 'lp':
                 $this->extraFieldType = EntityExtraField::LP_FIELD_TYPE;
                 break;
+            case 'lp_item':
+                $this->extraFieldType = EntityExtraField::LP_ITEM_FIELD_TYPE;
+                break;
         }
 
         $this->pageUrl  = 'extra_fields.php?type='.$this->type;
@@ -121,7 +124,8 @@ class ExtraField extends Model
             'session',
             'question',
             'lp',
-            'calendar_event'
+            'calendar_event',
+            'lp_item'
         );
     }
 

src/Chamilo/CoreBundle/Entity/ExtraField.php

@@ -23,6 +23,7 @@ class ExtraField extends BaseAttribute
     const QUESTION_FIELD_TYPE = 4;
     const CALENDAR_FIELD_TYPE = 5;
     const LP_FIELD_TYPE = 6;
+    const LP_ITEM_FIELD_TYPE = 7;
 
     /**
      * @var integer