class.ilAdvancedMDFieldDefinitionDate.php

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

require_once "Services/AdvancedMetaData/classes/class.ilAdvancedMDFieldDefinition.php";

class ilAdvancedMDFieldDefinitionDate extends ilAdvancedMDFieldDefinition
{               
        //
        // generic types
        // 
        
        public function getType()
        {
                return self::TYPE_DATE;
        }
        
        
        //
        // ADT
        //
        
        protected function initADTDefinition()
        {               
                return ilADTFactory::getInstance()->getDefinitionInstanceByType("Date");
        }               
        
        
        // 
        // import/export
        //
        
        public function getValueForXML(ilADT $element)
        {               
                return $element->getDate()->get(IL_CAL_DATE);
        }
        
        public function importValueFromXML($a_cdata)
        {
                $this->getADT()->setDate(new ilDate($a_cdata, IL_CAL_DATE));
        }
        
        public function importFromECS($a_ecs_type, $a_value, $a_sub_id)
        {
                switch($a_ecs_type)
                {                       
                        case ilECSUtils::TYPE_TIMEPLACE:        
                                if($a_value instanceof ilECSTimePlace)                          
                                {
                                        $value = new ilDate($a_value->{'getUT'.ucfirst($a_sub_id)}(), IL_CAL_UNIX);                                                             
                                }
                                break;
                }
                
                if($value instanceof ilDate)
                {
                        $this->getADT()->setDate($value);
                        return true;
                }               
                return false;
        }       
        
        
        //
        // search
        // 
        
        public function getLuceneSearchString($a_value)
        {
                // see ilADTDateSearchBridgeRange::importFromPost();
                
                if($a_value["tgl"])
                {
                        $start = $end = null;
                        
                        if($a_value["lower"]["date"])
                        {
                                $start = mktime(12, 0, 0,
                                        $a_value["lower"]["date"]["m"], 
                                        $a_value["lower"]["date"]["d"], 
                                        $a_value["lower"]["date"]["y"]);
                        }
                        if($a_value["upper"]["date"])
                        {
                                $end = mktime(12, 0, 0,                 
                                        $a_value["upper"]["date"]["m"], 
                                        $a_value["upper"]["date"]["d"], 
                                        $a_value["upper"]["date"]["y"]);
                        }
                        
                        if($start && $end && $start > $end)
                        {
                                $tmp = $start;
                                $start = $end;
                                $end = $tmp;
                        }
                        
                        $start = new ilDate($start, IL_CAL_UNIX);
                        $end = new ilDate($end, IL_CAL_UNIX);
                        
                        return "{".$start->get(IL_CAL_DATE)." TO ".$end->get(IL_CAL_DATE)."}";
                }
        }
}

?>