class.ilObjGroupReferenceGUI.php

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<?php
/* Copyright (c) 1998-2016 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once('./Services/ContainerReference/classes/class.ilContainerReferenceGUI.php');
class ilObjGroupReferenceGUI extends ilContainerReferenceGUI
{
        protected $target_type = 'grp';
        protected $reference_type = 'grpr';

        public function __construct($a_data, $a_id, $a_call_by_reference = true, $a_prepare_output = false)
        {
                 parent::__construct($a_data, $a_id, $a_call_by_reference, $a_prepare_output);
        }

        public function executeCommand()
        {
                parent::executeCommand();
        }
        
        
        public function getTabs()
        {
                global $ilAccess, $ilHelp;

                $ilHelp->setScreenIdComponent("grpr");

                if($ilAccess->checkAccess('write','',$this->object->getRefId()))
                {
                        $this->tabs_gui->addTarget("settings",
                                $this->ctrl->getLinkTarget($this, "edit"),
                                array(),
                                "");
                }
                if ($ilAccess->checkAccess('edit_permission','',$this->object->getRefId()))
                {
                        $this->tabs_gui->addTarget("perm_settings",
                                $this->ctrl->getLinkTargetByClass(array(get_class($this),'ilpermissiongui'), "perm"), 
                                array("perm","info","owner"), 'ilpermissiongui');
                }
        }

         public static function _goto($a_target)
         {
                include_once('./Services/ContainerReference/classes/class.ilContainerReference.php');
                $target_ref_id = ilContainerReference::_lookupTargetRefId(ilObject::_lookupObjId($a_target));
                
                include_once('./Modules/Group/classes/class.ilObjGroupGUI.php');
                ilObjGroupGUI::_goto($target_ref_id);
         }
                
        }