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

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<?php
/**
 * A float field in DB
 * 
 * @author Gerd Riesselmann
 * @ingroup Model
 */
class DBFieldFloat extends DBField {
        const UNSIGNED = 2; 

        public function __construct($name, $default_value = 0, $policy = self::NOT_NULL) {
                parent::__construct($name, $default_value, $policy);
        }
        
        /**
         * Returns true, if the value passed fits the fields restrictions
         *
         * @param string $value
         * @return Status
         */
        public function validate($value) {
                if ($value === '') {
                        $value = null;
                }
                
                $ret = parent::validate($value);                
                
                if ($ret->is_ok() && !is_null($value)) {
                        if ($this->has_policy(self::UNSIGNED)) {
                                if (!Validation::is_double($value, 0)) {
                                        $ret->append(tr(
                                                '%field must be a positive number', 
                                                'core', 
                                                array(
                                                        '%field' => $this->get_field_name_translation()
                                                )
                                        ));
                                }
                        }
                        else if (!Validation::is_double($value)) {
                                $ret->append(tr(
                                        '%field must be a number', 
                                        'core', 
                                        array(
                                                '%field' => tr($this->get_field_name(), 'global'),
                                        )
                                ));
                        }
                }
                
                return $ret;
        }

        /**
         * Format values that are not NULL
         * 
         * @param mixed $value
         * @return string
         */
        protected function do_format_not_null($value) {
                return number_format($value, 10, '.', '');
        }       
        
        /**
         * Reads value from array (e.g $_POST) and converts it into something meaningfull
         */
        public function read_from_array($arr) {
                $ret = parent::read_from_array($arr);
                if (!empty($ret)) {
                        $ret = String::delocalize_number($ret);
                }
                return $ret;
        }       
}

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