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

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<?php
/**
 * An enum field
 * 
 * @author Gerd Riesselmann
 * @ingroup Model
 */
class DBFieldEnum extends DBField {
        /**
         * Allowed values
         *
         * @var array
         */
        protected $allowed;
        
        public function __construct($name, $allowed = array(), $default_value = null, $policy = self::NONE) {
                parent::__construct($name, $default_value, $policy);
                $this->allowed = Arr::force($allowed);
        }
        
        /**
         * Returns true, if the value passed fits the fields restrictions
         *
         * @param string $value
         * @return Status
         */
        public function validate($value) {
                $ret = parent::validate($value);
                if ($ret->is_ok() && !is_null($value)) {
                        if (!in_array($value, $this->allowed)) {
                                $ret->append(tr(
                                        'Value %val not allowed on %field',
                                        'core',
                                        array(
                                                '%field' => $this->get_field_name_translation(),
                                                '%val' => $value
                                        )
                                ));
                        }
                }
                return $ret;
        }       
}

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