fix liveselect in subforms

git-svn-id: https://svn.liip.ch/repos/public/fluxcms/trunk@14236 99f7f646-bdd5-0310-89f9-ddcb10b10bf3

inc/bx/dbforms2/form.php

@@ -191,6 +191,22 @@ public function getSubFormByName($name) {
         }
     }
 
+    /**
+     *  Get all subforms
+     *
+     *  @access public
+     *  @return object field
+     */
+    public function getSubForms() {
+        $forms = null;
+        foreach($this->fields as $field) {
+            if($field instanceof bx_dbforms2_form) {
+                $forms[] = $field;
+            }
+        }
+        return $forms;
+    }
+
     /**
      *  Sets the values of all fields the form has.
      *