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gyro/core/model/base/fields/dbfield.text.cls.php

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<?php
/**
 * A text field im DB
 * 
 * @attention A string of length 0 is treated as NULL, too 
 * 
 * @author Gerd Riesselmann
 * @ingroup Model
 */
class DBFieldText extends DBField {
        const BLOB_LENGTH_LARGE = 4294967295; // MYSQL LONGTEXT
        const BLOB_LENGTH_MEDIUM = 16777215; // MYSQL MEDIUMTEXT
        const BLOB_LENGTH_SMALL = 65535; // MYSQL TEXT
        /**
         * Max length on text
         *
         * @var int
         */
        protected $length = 255;
        
        public function __construct($name, $length = 255, $default_value = null, $policy = self::NONE) {
                parent::__construct($name, $default_value, $policy);
                $this->length = $length;
        }
        
        /**
         * Returns true, if the value passed fits the fields restrictions
         *
         * @param string $value
         * @return Status
         */
        public function validate($value) {
                $ret = new Status();
                $l = String::length(Cast::string($value));
                if ($l > $this->length) {
                        $ret->append(tr(
                                '%field may have no more than %num character', 
                                'core', 
                                array(
                                        '%field' => $this->get_field_name_translation(),
                                        '%num' => $this->length
                                )
                        ));
                }
                else if ($l == 0 && !$this->get_null_allowed()) {
                        $ret->append(tr(
                                '%field may not be empty', 
                                'core', 
                                array(
                                        '%field' => $this->get_field_name_translation(),
                                )
                        ));
                }
                return $ret;
        }

        public function get_length() {
                return $this->length;
        }
}

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