class.ilObjCategory.php

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<?php

/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once "./Services/Container/classes/class.ilContainer.php";


class ilObjCategory extends ilContainer
{
        function __construct($a_id = 0,$a_call_by_reference = true)
        {
                $this->type = "cat";
                parent::__construct($a_id,$a_call_by_reference);
        }

        function delete()
        {
                global $ilDB,$ilAppEventHandler;
                
                // always call parent delete function first!!
                if (!parent::delete())
                {
                        return false;
                }
                
                // put here category specific stuff
                include_once('./Services/User/classes/class.ilObjUserFolder.php');
                ilObjUserFolder::_updateUserFolderAssignment($this->ref_id,USER_FOLDER_ID);             

                $query = "DELETE FROM object_translation WHERE obj_id = ".$ilDB->quote($this->getId(),'integer');
                $res = $ilDB->manipulate($query);
                
                // taxonomies
                include_once "Services/Taxonomy/classes/class.ilObjTaxonomy.php";
                foreach(ilObjTaxonomy::getUsageOfObject($this->getId()) as $tax_id)
                {
                        if($tax_id)
                        {
                                $tax = new ilObjTaxonomy($tax_id);
                                $tax->delete();
                        }
                }
                
                $ilAppEventHandler->raise('Modules/Category',
                        'delete',
                        array('object' => $this,
                                'obj_id' => $this->getId()));
                
                return true;
        }
        
        function getTranslations()
        {
                global $ilDB;
                
                $q = "SELECT * FROM object_translation WHERE obj_id = ".
                        $ilDB->quote($this->getId(),'integer')." ORDER BY lang_default DESC";
                $r = $this->ilias->db->query($q);
                
                $num = 0;

                while ($row = $r->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        $data["Fobject"][$num]= array("title"   => $row->title,
                                                                                  "desc"        => $row->description,
                                                                                  "lang"        => $row->lang_code
                                                                                  );
                $num++;
                }

                // first entry is always the default language
                $data["default_language"] = 0;

                return $data ? $data : array(); 
        }
        
        // remove all Translations of current category
        function removeTranslations()
        {
                global $ilDB;
                
                $query = "DELETE FROM object_translation WHERE obj_id= ".
                        $ilDB->quote($this->getId(),'integer');
                $res = $ilDB->manipulate($query);
        }

        // remove translations of current category
        function deleteTranslation($a_lang)
        {
                global $ilDB;

                $query = "DELETE FROM object_translation WHERE obj_id= ".
                        $ilDB->quote($this->getId(),'integer')." AND lang_code = ".
                        $ilDB->quote($a_lang, 'text');
                $res = $ilDB->manipulate($query);
        }
        
        // add a new translation to current category
        function addTranslation($a_title,$a_desc,$a_lang,$a_lang_default)
        {
                global $ilDB;
                
                if (empty($a_title))
                {
                        $a_title = "NO TITLE";
                }

                $query = "INSERT INTO object_translation ".
                         "(obj_id,title,description,lang_code,lang_default) ".
                         "VALUES ".
                         "(".$ilDB->quote($this->getId(),'integer').",".
                                $ilDB->quote($a_title,'text').",".$ilDB->quote($a_desc,'text').",".
                                $ilDB->quote($a_lang,'text').",".$ilDB->quote($a_lang_default,'integer').")";
                $res = $ilDB->manipulate($query);

                return true;
        }
        
        // update a translation to current category
        function updateTranslation($a_title,$a_desc,$a_lang,$a_lang_default)
        {
                global $ilDB, $ilLog;
                
                if (empty($a_title))
                {
                        $a_title = "NO TITLE";
                }

                $query = "UPDATE object_translation ".
                         "SET title = ". $ilDB->quote($a_title,'text').",".
                                  "description = ".$ilDB->quote($a_desc,'text').",".
                                  "lang_code = ".$ilDB->quote($a_lang,'text') . ",". 
                                  "lang_default = ".$ilDB->quote($a_lang_default,'integer')." ".
                         "WHERE ".
                         " obj_id = ".$ilDB->quote($this->getId(),'integer');
                $res = $ilDB->manipulate($query);

                return true;
        }
        
        public function cloneObject($a_target_id,$a_copy_id = 0, $a_omit_tree = false)
        {
                global $ilDB,$ilUser;
                
                $new_obj = parent::cloneObject($a_target_id,$a_copy_id,$a_omit_tree);

                /*       done in class.ilContainer      
                include_once('./Services/Container/classes/class.ilContainerSortingSettings.php');
                ilContainerSortingSettings::_cloneSettings($this->getId(),$new_obj->getId());
                */

                include_once("./Services/Object/classes/class.ilObjectTranslation.php");
                $ot = ilObjectTranslation::getInstance($this->getId());
                $ot->copy($new_obj->getId());

                /*
                $first = true;
                $translations = $this->getTranslations();
                if(is_array($translations['Fobject']))
                {
                        foreach($translations['Fobject'] as $num => $translation)
                        {
                                $new_obj->addTranslation($translation['title'],$translation['desc'],$translation['lang'],$first);
                                
                                if($first)
                                {
                                        $first = false;
                                }
                        }
                }*/
                
                // clone icons
                $new_obj->saveIcons($this->getBigIconPath(),
                        $this->getSmallIconPath(),
                        $this->getTinyIconPath());
                
                return $new_obj;
        }
        
        public function cloneDependencies($a_target_id,$a_copy_id)
        {               
                parent::cloneDependencies($a_target_id,$a_copy_id);
        
                                                                
                // clone taxonomies             
                        
                include_once("./Services/Taxonomy/classes/class.ilObjTaxonomy.php");
                $all_tax = ilObjTaxonomy::getUsageOfObject($this->getId());
                if(sizeof($all_tax))
                {                                                               
                        include_once("./Services/Taxonomy/classes/class.ilTaxNodeAssignment.php");
                        
                        $cwo = ilCopyWizardOptions::_getInstance($a_copy_id);
                        $mappings = $cwo->getMappings();
                        
                        foreach($all_tax as $old_tax_id)
                        {
                                if($old_tax_id)
                                {                                       
                                        // clone it                     
                                        $old_tax = new ilObjTaxonomy($old_tax_id);
                                        $new_tax = $old_tax->cloneObject(0,0,true);
                                        $tax_map = $old_tax->getNodeMapping();
                                
                                        // assign new taxonomy to new category
                                        ilObjTaxonomy::saveUsage($new_tax->getId(), ilObject::_lookupObjId($a_target_id));              
                                                                                                                
                                        // clone assignments (for all sub-items)
                                        foreach($mappings as $old_ref_id => $new_ref_id)
                                        {
                                                if($old_ref_id != $new_ref_id)
                                                {
                                                        $old_obj_id = ilObject::_lookupObjId($old_ref_id);
                                                        $new_obj_id = ilObject::_lookupObjId($new_ref_id);
                                                        $obj_type = ilObject::_lookupType($old_obj_id);
                                                                                                                                        
                                                        $tax_ass = new ilTaxNodeAssignment($obj_type, $old_obj_id, "obj", $old_tax_id);
                                                        $assignmts = $tax_ass->getAssignmentsOfItem($old_obj_id);       
                                                        if(sizeof($assignmts))
                                                        {
                                                                $new_tax_ass = new ilTaxNodeAssignment($obj_type, $new_obj_id, "obj", $new_tax->getId());                                                                       
                                                                foreach($assignmts as $a)
                                                                {                                                               
                                                                        if($tax_map[$a["node_id"]])
                                                                        {
                                                                                $new_tax_ass->addAssignment($tax_map[$a["node_id"]], $new_obj_id);
                                                                        }
                                                                }                       
                                                        }
                                                }                       
                                        }
                                }
                        }
                }               
        }
        
        function addAdditionalSubItemInformation(&$a_item_data)
        {               
                include_once './Services/Object/classes/class.ilObjectActivation.php';
                ilObjectActivation::addAdditionalSubItemInformation($a_item_data);
        }
        
} // END class.ilObjCategory
?>