class.ilDataCollectionRecordField.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once './Modules/DataCollection/exceptions/class.ilDataCollectionInputException.php';
require_once './Modules/DataCollection/classes/class.ilDataCollectionILIASRefField.php';
require_once './Modules/DataCollection/classes/class.ilDataCollectionReferenceField.php';
require_once './Modules/DataCollection/classes/class.ilDataCollectionNReferenceField.php';
require_once 'class.ilDataCollectionRatingField.php';

class ilDataCollectionRecordField
{
        protected $id;
    protected $field;
    protected $record;
    protected $value;
        
        /*
         * __construct
         */
        public function __construct(ilDataCollectionRecord $record, ilDataCollectionField $field)
        {
                $this->record = $record;
                $this->field = $field;
                $this->doRead();
        }

        /*
         * doRead
         */
        private function doRead()
        {
                global $ilDB;
                
                $query = "SELECT * FROM il_dcl_record_field WHERE field_id = ".$ilDB->quote($this->field->getId(), "integer")." AND record_id = ".$ilDB->quote($this->record->getId(), "integer");
                $set = $ilDB->query($query);
                $rec = $ilDB->fetchAssoc($set);
                $this->id = $rec['id'];
                
                if($this->id == NULL)
                {
                        $this->doCreate();
                }
        $this->loadValue();
        }
        
        /*
         * doCreate
         */
        private function doCreate()
        {
                global $ilDB;

                $id = $ilDB->nextId("il_dcl_record_field");
                $query = "INSERT INTO il_dcl_record_field (id, record_id, field_id) VALUES (".$ilDB->quote($id, "integer").", ".$ilDB->quote($this->record->getId(), "integer").", ".$ilDB->quote($this->field->getId(), "text").")";
                $ilDB->manipulate($query);
                $this->id = $id;
        }
        
        /*
         * doUpdate
         */
        public function doUpdate()
        {
                global $ilDB;
                
                //$this->loadValue(); //Removed Mantis #0011799
                $datatype = $this->field->getDatatype();

                $query = "DELETE FROM il_dcl_stloc".$datatype->getStorageLocation()."_value WHERE record_field_id = ".$ilDB->quote($this->id, "integer");
                $ilDB->manipulate($query);
                $next_id = $ilDB->nextId("il_dcl_stloc".$datatype->getStorageLocation()."_value");

                $ilDB->insert("il_dcl_stloc".$datatype->getStorageLocation()."_value",
                        array("value" => array($datatype->getDbType(), $this->value),
                        "record_field_id " => array("integer", $this->id),
                        "id" => array("integer", $next_id))
                );
        }
        
        /*
         * delete
         */
        public function delete()
        {
                global $ilDB;

                $datatype = $this->field->getDatatype();
                $query = "DELETE FROM il_dcl_stloc".$datatype->getStorageLocation()."_value WHERE record_field_id = ".$ilDB->quote($this->id, "integer");
                $ilDB->manipulate($query);

                $query2 = "DELETE FROM il_dcl_record_field WHERE id = ".$ilDB->quote($this->id, "integer");
                $ilDB->manipulate($query2);
        }
        
        /*
         * getValue
         */
        public function getValue()
        {
                $this->loadValue();
                return $this->value;
        }

        
        /*
         * setValue
         */
        public function setValue($value)
        {
                $type = $this->field->getDatatype()->getId();
                $this->loadValue();
                $tmp = $this->field->getDatatype()->parseValue($value, $this);
                $old = $this->value;

                //if parse value fails keep the old value
//              if($tmp !== null) // $tmp can be null to store NULL values in DB
        if ($tmp !== false)
                {
                        $this->value = $tmp;
                        //delete old file from filesystem
                        if($old && $this->field->getDatatypeId() == ilDataCollectionDatatype::INPUTFORMAT_FILE)
                        {
                                $this->record->deleteFile($old);
                        }
                }
        }

        /*
         * getFormInput
         */
        public function getFormInput()
        {
                $datatype = $this->field->getDatatype();
                
                return $datatype->parseFormInput($this->getValue(), $this);
        }
        
        /*
         * getExportValue
         */
        public function getExportValue()
        {
                $datatype = $this->field->getDatatype();

                return $datatype->parseExportValue($this->getValue());
        }

    public function getPlainText(){
        return $this->getExportValue();
    }
        
        /*
         * getHTML
         */
        public function getHTML()
        {
                $datatype = $this->field->getDatatype();
                return $datatype->parseHTML($this->getValue(), $this);
        }

    public function getSingleHTML($link = null){
        return $this->getHTML($link);
    }

        /*
         * loadValue
         */
        protected function loadValue()
        {
                if($this->value === NULL)
                {
                        global $ilDB;
                        $datatype = $this->field->getDatatype();
                        $query = "SELECT * FROM il_dcl_stloc".$datatype->getStorageLocation()."_value WHERE record_field_id = ".$ilDB->quote($this->id, "integer");
                        $set = $ilDB->query($query);
                        $rec = $ilDB->fetchAssoc($set);
                        $this->value = $rec['value'];
                }
        }
        
        /*
         * getField
         */
        public function getField()
        {
                return $this->field;
        }
        
        /*
         * getId
         */
        public function getId()
        {
                return $this->id;
        }
        
        /*
         * getRecord
         */
        public function getRecord()
        {
                return $this->record;
        }
}
?>