class.ilADTDateTimeSearchBridgeRange.php

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<?php

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

class ilADTDateTimeSearchBridgeRange extends ilADTSearchBridgeRange
{               
        protected function isValidADTDefinition(ilADTDefinition $a_adt_def)
        {
                return ($a_adt_def instanceof ilADTDateTimeDefinition);
        }
        
        
        // table2gui / filter   
        
        public function loadFilter()
        {
                $value = $this->readFilter();
                if($value !== null)
                {                               
                        if($value["lower"])
                        {
                                $this->getLowerADT()->setDate(new ilDateTime($value["lower"], IL_CAL_DATETIME));
                        }
                        if($value["upper"])
                        {
                                $this->getUpperADT()->setDate(new ilDateTime($value["upper"], IL_CAL_DATETIME));
                        }
                }                               
        }
        
        
        // form
        
        public function addToForm()
        {                               
                global $lng;
                
                if($this->getForm() instanceof ilPropertyFormGUI)
                {
                        // :TODO: use DateDurationInputGUI ?!

                        $check = new ilCustomInputGUI($this->getTitle());                                                       
                        
                        $date_from = new ilDateTimeInputGUI($lng->txt('from'), $this->addToElementId("lower"));
                        $date_from->setShowTime(true);
                        $check->addSubItem($date_from);
                        
                        if($this->getLowerADT()->getDate() && !$this->getLowerADT()->isNull())
                        {
                                $date_from->setDate($this->getLowerADT()->getDate());
                                $checked = true;
                        }

                        $date_until = new ilDateTimeInputGUI($lng->txt('until'), $this->addToElementId("upper"));
                        $date_until->setShowTime(true);
                        $check->addSubItem($date_until);
                        
                        if($this->getUpperADT()->getDate() && !$this->getUpperADT()->isNull())
                        {
                                $date_until->setDate($this->getUpperADT()->getDate());
                                $checked = true;
                        }
                        
                        $this->addToParentElement($check);
                }
                else
                {
                        // see ilTable2GUI::addFilterItemByMetaType()
                        include_once("./Services/Form/classes/class.ilCombinationInputGUI.php");
                        include_once("./Services/Form/classes/class.ilDateTimeInputGUI.php");
                        $item = new ilCombinationInputGUI($this->getTitle(), $this->getElementId());
                        
                        $lower = new ilDateTimeInputGUI("", $this->addToElementId("lower"));
                        $lower->setShowTime(true);
                        $item->addCombinationItem("lower", $lower, $lng->txt("from"));
                        
                        if($this->getLowerADT()->getDate() && !$this->getLowerADT()->isNull())
                        {
                                $lower->setDate($this->getLowerADT()->getDate());
                        }
                        
                        $upper = new ilDateTimeInputGUI("", $this->addToElementId("upper"));
                        $upper->setShowTime(true);
                        $item->addCombinationItem("upper", $upper, $lng->txt("to"));
                        
                        if($this->getUpperADT()->getDate() && !$this->getUpperADT()->isNull())
                        {
                                $upper->setDate($this->getUpperADT()->getDate());
                        }
                        
                        $item->setComparisonMode(ilCombinationInputGUI::COMPARISON_ASCENDING);
                        
                        $this->addToParentElement($item);
                }
        }
        
        protected function shouldBeImportedFromPost($a_post)
        {
                if($this->getForm() instanceof ilPropertyFormGUI &&
                        !(bool)$this->text_input)
                {
                        return (bool)$a_post["tgl"];
                }
                return parent::shouldBeImportedFromPost($a_post);
        }

        public function importFromPost(array $a_post = null)
        {               
                $post = $this->extractPostValues($a_post);
                
                if($post && $this->shouldBeImportedFromPost($post))
                {       
                        include_once "Services/Calendar/classes/class.ilCalendarUtil.php";                      
                        $start = ilCalendarUtil::parseIncomingDate($post["lower"], 1);
                        $end = ilCalendarUtil::parseIncomingDate($post["upper"], 1);
                        
                        if($start && $end && $start->get(IL_CAL_UNIX) > $end->get(IL_CAL_UNIX))
                        {
                                $tmp = $start;
                                $start = $end;
                                $end = $tmp;
                        }
                        
                        if($this->getForm() instanceof ilPropertyFormGUI)
                        {
                                $item = $this->getForm()->getItemByPostVar($this->getElementId()."[lower]");            
                                $item->setDate($start);
                                
                                $item = $this->getForm()->getItemByPostVar($this->getElementId()."[upper]");            
                                $item->setDate($end);           
                        }
                        else if(array_key_exists($this->getElementId(), $this->table_filter_fields))
                        {                                                               
                                $this->table_filter_fields[$this->getElementId()]->getCombinationItem("lower")->setDate($start);                                
                                $this->table_filter_fields[$this->getElementId()]->getCombinationItem("upper")->setDate($end);                          
                                $this->writeFilter(array(
                                        "lower" => (!$start || $start->isNull()) ? null: $start->get(IL_CAL_DATETIME),
                                        "upper" => (!$end || $end->isNull()) ? null : $end->get(IL_CAL_DATETIME)
                                ));
                        }               
                        
                        $this->getLowerADT()->setDate($start);
                        $this->getUpperADT()->setDate($end);
                }
                else
                {                       
                        $this->getLowerADT()->setDate();
                        $this->getUpperADT()->setDate();
                }       
        }
        
        
        // db
        
        public function getSQLCondition($a_element_id)
        {
                global $ilDB;
                
                if(!$this->isNull() && $this->isValid())                
                {
                        $sql = array();
                        if(!$this->getLowerADT()->isNull())
                        {
                                $sql[] = $a_element_id." >= ".$ilDB->quote($this->getLowerADT()->getDate()->get(IL_CAL_DATETIME), "timestamp");
                        }
                        if(!$this->getUpperADT()->isNull())
                        {
                                $sql[] = $a_element_id." <= ".$ilDB->quote($this->getUpperADT()->getDate()->get(IL_CAL_DATETIME), "timestamp");
                        }
                        return "(".implode(" AND ", $sql).")";
                }
        }
        
        public function isInCondition(ilADT $a_adt)
        {
                assert($a_adt instanceof ilADTDateTime);
                
                if(!$this->getLowerADT()->isNull() && !$this->getUpperADT()->isNull())
                {
                        return $a_adt->isInbetweenOrEqual($this->getLowerADT(), $this->getUpperADT());
                }
                else if(!$this->getLowerADT()->isNull())
                {
                        return $a_adt->isLargerOrEqual($this->getLowerADT());
                }
                else 
                {
                        return $a_adt->isSmallerOrEqual($this->getUpperADT());
                }
        }       
        
        
        //  import/export       
                
        public function getSerializedValue()
        {               
                if(!$this->isNull() && $this->isValid())                
                {
                        $res = array();         
                        if(!$this->getLowerADT()->isNull())
                        {
                                $res["lower"] = $this->getLowerADT()->getDate()->get(IL_CAL_DATETIME);
                        }
                        if(!$this->getUpperADT()->isNull())
                        {
                                $res["upper"] = $this->getUpperADT()->getDate()->get(IL_CAL_DATETIME);
                        }
                        return serialize($res);
                }               
        }
        
        public function setSerializedValue($a_value)
        {               
                $a_value = unserialize($a_value);
                if(is_array($a_value))
                {
                        if(isset($a_value["lower"]))
                        {
                                $this->getLowerADT()->setDate(new ilDateTime($a_value["lower"], IL_CAL_DATETIME));
                        }
                        if(isset($a_value["upper"]))
                        {
                                $this->getUpperADT()->setDate(new ilDateTime($a_value["upper"], IL_CAL_DATETIME));
                        }
                }               
        }
}

?>