class.ilADTGroupPresentationBridge.php

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<?php

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

class ilADTGroupPresentationBridge extends ilADTPresentationBridge
{
    protected $elements = []; // [array]
    
    protected function isValidADT(ilADT $a_adt)
    {
        return ($a_adt instanceof ilADTGroup);
    }
    
    protected function prepareElements()
    {
        if (sizeof($this->elements)) {
            return;
        }
        
        $this->elements = array();
        $factory = ilADTFactory::getInstance();
        
        // convert ADTs to presentation bridges
        
        foreach ($this->getADT()->getElements() as $name => $element) {
            $this->elements[$name] = $factory->getPresentationBridgeForInstance($element);
        }
    }
    
    public function getHTML($delimiter = "<br />")
    {
        $res = array();
        
        $this->prepareElements();
        foreach ($this->elements as $element) {
            $res[] = $this->decorate($element->getHTML());
        }
        
        if (sizeof($res)) {
            return implode($delimiter, $res);
        }
    }
    
    public function getSortable($delimiter = ";")
    {
        $res = array();
        
        $this->prepareElements();
        foreach ($this->elements as $element) {
            $res[] = $element->getSortable();
        }
        
        if (sizeof($res)) {
            return implode($delimiter, $res);
        }
    }
}