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);
            } elseif (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 $DIC;
 
        $ilDB = $DIC['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]);
        }
    }
}