class.ilObjectListGUIPreloader.php

Go to the documentation of this file.

<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/Object/classes/class.ilObjectListGUI.php");

class ilObjectListGUIPreloader
{
        protected $context; // [int]
        protected $obj_ids; // [array]
        protected $obj_ids_by_type; // [array]
        protected $ref_ids; // [array]
        protected $ref_ids_by_type; // [array]
        protected $types; // [array]
        
        public function __construct($a_context)
        {
                $this->context = $a_context;            
        }
        
        public function addItem($a_obj_id, $a_type, $a_ref_id = null)
        {
                $this->obj_ids[] = $a_obj_id;
                $this->obj_ids_by_type[$a_type][] = $a_obj_id;
                $this->types[] = $a_type;
                
                if($a_ref_id)
                {
                        $this->ref_ids[] = $a_ref_id;
                        $this->ref_ids_by_type[$a_type][] = $a_ref_id;
                }               
        }
        
        public function preload()
        {                                               
                global $objDefinition, $tree, $ilObjDataCache, $ilUser, $rbacsystem;
                                                                
                if(!$this->obj_ids)
                {
                        return;
                }
                
                $this->obj_ids = array_unique($this->obj_ids);  
                $this->types = array_unique($this->types);              
                if($this->ref_ids)
                {
                        $this->ref_ids = array_unique($this->ref_ids);
                }
                                                
                // type specific preloads
                include_once("./Services/AccessControl/classes/class.ilConditionHandler.php");
                foreach ($this->types as $type)
                {
                        $this->obj_ids_by_type[$type] = array_unique($this->obj_ids_by_type[$type]);
                        
                        if(is_array($this->ref_ids_by_type[$type]))
                        {
                                $this->ref_ids_by_type[$type] = array_unique($this->ref_ids_by_type[$type]);
                        }

                        if($this->context == ilObjectListGUI::CONTEXT_REPOSITORY ||                             
                                $this->context == ilObjectListGUI::CONTEXT_PERSONAL_DESKTOP ||
                                $this->context == ilObjectListGUI::CONTEXT_SEARCH)
                        {
                                ilConditionHandler::preloadConditionsForTargetRecords($type,
                                        $this->obj_ids_by_type[$type]);
                        }

                        $class = $objDefinition->getClassName($type);
                        $location = $objDefinition->getLocation($type);
                        if($class && $location) // #12775
                        {
                                $full_class = "ilObj".$class."Access";
                                include_once($location."/class.".$full_class.".php");
                                if(class_exists($full_class))
                                {
                                        call_user_func(array($full_class, "_preloadData"),
                                                $this->obj_ids_by_type[$type], $this->ref_ids_by_type[$type]);
                                }
                        }
                }
                
                if($this->ref_ids)
                {               
                        $tree->preloadDeleted($this->ref_ids);
                        $tree->preloadDepthParent($this->ref_ids);
                        $ilObjDataCache->preloadReferenceCache($this->ref_ids, false);                  
                        $rbacsystem->preloadRbacPaCache($this->ref_ids, $ilUser->getId());
                        
                        if($ilUser->getId != ANONYMOUS_USER_ID && 
                                $this->context != ilObjectListGUI::CONTEXT_PERSONAL_DESKTOP)
                        {
                                ilObjUser::preloadIsDesktopItem($ilUser->getId(), $this->ref_ids);
                        }
                        
                        include_once("./Services/Object/classes/class.ilObjectActivation.php");
                        ilObjectActivation::preloadData($this->ref_ids);                
                }
                                                
                include_once("./Services/Object/classes/class.ilObjectListGUI.php");
                ilObjectListGUI::preloadCommonProperties($this->obj_ids, $this->context);       
                
                if($this->context == ilObjectListGUI::CONTEXT_REPOSITORY)
                {
                        include_once("./Services/Rating/classes/class.ilRating.php");           
                        include_once("./Services/Rating/classes/class.ilRatingGUI.php");                
                        ilRating::preloadListGUIData($this->obj_ids);           
                        
                        include_once("./Services/AdvancedMetaData/classes/class.ilAdvancedMDValues.php");               
                        ilAdvancedMDValues::preloadByObjIds($this->obj_ids);
                }
                
                if($this->context == ilObjectListGUI::CONTEXT_REPOSITORY ||
                        $this->context == ilObjectListGUI::CONTEXT_PERSONAL_DESKTOP ||
                        $this->context == ilObjectListGUI::CONTEXT_SEARCH)
                {
                        include_once("./Services/Tracking/classes/class.ilLPStatus.php");
                        ilLPStatus::preloadListGUIData($this->obj_ids);
                }       
        }       
}

?>