class.ilADTTextSearchBridgeSingle.php

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<?php

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

class ilADTTextSearchBridgeSingle extends ilADTSearchBridgeSingle
{
        const SQL_STRICT = 1;
        const SQL_LIKE = 2;
        const SQL_LIKE_END = 3;
        const SQL_LIKE_START = 4;
        
        protected function isValidADTDefinition(ilADTDefinition $a_adt_def)
        {
                return ($a_adt_def instanceof ilADTTextDefinition);
        }
        
        // table2gui / filter
        
        public function loadFilter()
        {
                $value = $this->readFilter();
                if($value !== null)
                {
                        $this->getADT()->setText($value);
                }
        }
        
        
        // form
        
        public function addToForm()
        {                                                                                               
                $text = new ilTextInputGUI($this->getTitle(), $this->getElementId());
                $text->setSize(20);
                $text->setMaxLength(512);
                $text->setSubmitFormOnEnter(true);
                
                $text->setValue($this->getADT()->getText());
                
                $this->addToParentElement($text);
        }
        
        public function importFromPost(array $a_post = null)
        {               
                $post = $this->extractPostValues($a_post);
                                
                if($post && $this->shouldBeImportedFromPost($post))
                {                                       
                        if($this->getForm() instanceof ilPropertyFormGUI)
                        {
                                $item = $this->getForm()->getItemByPostVar($this->getElementId());              
                                $item->setValue($post); 
                        }
                        else if(array_key_exists($this->getElementId(), $this->table_filter_fields))
                        {
                                $this->table_filter_fields[$this->getElementId()]->setValue($post);                             
                                $this->writeFilter($post);
                        }
                        
                        $this->getADT()->setText($post);                        
                }
                else
                {                       
                        $this->writeFilter();
                        $this->getADT()->setText();                                     
                }       
        }
        
        
        // db
        
        public function getSQLCondition($a_element_id, $a_mode = self::SQL_LIKE, $a_value = null)
        {
                global $ilDB;
                
                if(!$a_value)
                {
                        if($this->isNull() || !$this->isValid())                
                        {
                                return;
                        }
                        $a_value = $this->getADT()->getText();                          
                }
                                                
                switch($a_mode)
                {
                        case self::SQL_STRICT:
                                if(!is_array($a_value))
                                {
                                        return $a_element_id." = ".$ilDB->quote($a_value, "text");      
                                }
                                else
                                {
                                        return $ilDB->in($a_element_id, $a_value, "", "text");
                                }
                                break;

                        case self::SQL_LIKE:
                                if(!is_array($a_value))
                                {
                                        return $ilDB->like($a_element_id, "text", "%".$a_value."%");
                                }
                                else
                                {
                                        $tmp = array();
                                        foreach($a_value as $word)
                                        {
                                                if($word)
                                                {
                                                        $tmp[] = $ilDB->like($a_element_id, "text", "%".$word."%");
                                                }
                                        }
                                        if(sizeof($tmp))
                                        {
                                                return "(".implode(" OR ", $tmp).")";
                                        }
                                }
                                break;

                        case self::SQL_LIKE_END:
                                if(!is_array($a_value))
                                {
                                        return $ilDB->like($a_element_id, "text", $a_value."%");
                                }
                                break;

                        case self::SQL_LIKE_START:
                                if(!is_array($a_value))
                                {
                                        return $ilDB->like($a_element_id, "text", "%".$a_value);
                                }
                                break;
                }                                               
        }
        
        public function isInCondition(ilADT $a_adt)
        {
                assert($a_adt instanceof ilADTText);
                
                // :TODO: search mode (see above)
                return $this->getADT()->equals($a_adt);
        }       
        
        
        //  import/export       
                
        public function getSerializedValue()
        {               
                if(!$this->isNull() && $this->isValid())                
                {                       
                        return serialize(array($this->getADT()->getText()));
                }               
        }
        
        public function setSerializedValue($a_value)
        {               
                $a_value = unserialize($a_value);
                if(is_array($a_value))
                {
                        $this->getADT()->setText($a_value[0]);                                          
                }               
        }
}

?>