class.ilADTGroupActiveRecordBridge.php

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<?php

require_once "Services/ADT/classes/Bridges/class.ilADTActiveRecordBridge.php";

class ilADTGroupActiveRecordBridge extends ilADTActiveRecordBridge
{
        protected $elements; // [array]
        
        protected function isValidADT(ilADT $a_adt) 
        {
                return ($a_adt instanceof ilADTGroup);
        }
        
        
        // elements
        
        protected function prepareElements()
        {               
                if(sizeof($this->elements))
                {
                        return;
                }
                
                $this->elements = array();
                $factory = ilADTFactory::getInstance();
                
                // convert ADTs to ActiveRecord bridges
                
                foreach($this->getADT()->getElements() as $name => $element)
                {
                        $this->elements[$name] = $factory->getActiveRecordBridgeForInstance($element);
                        $this->elements[$name]->setElementId($name);
                }                       
        }
        
        public function getElements()
        {
                $this->prepareElements();
                return $this->elements;
        }

        public function getElement($a_element_id)
        {
                if(array_key_exists($a_element_id, $this->getElements()))
                {
                        return $this->elements[$a_element_id];
                }
        }
        
        //
        // active record
        //
        
        public function getActiveRecordFields()
        {               
                $fields = array();
                foreach($this->getElements() as $element_id => $element)
                {
                        $element_fields = $element->getActiveRecordFields();
                        if($element_fields)
                        {
                                $fields[$element_id] = $element_fields;
                        }
                }
                return $fields;
        }               
}