includes/htmlform/HTMLFloatField.php

   1 <?php
   2 /**
   3  * A field that will contain a numeric value
   4  */
   5 class HTMLFloatField extends HTMLTextField {
   6         function getSize() {
   7                 return isset( $this->mParams[ 'size' ] ) ? $this->mParams[ 'size' ] : 20;
   8         }
   9
  10         function validate( $value, $alldata ) {
  11                 $p = parent::validate( $value, $alldata );
  12
  13                 if ( $p !== true ) {
  14                         return $p;
  15                 }
  16
  17                 $value = trim( $value );
  18
  19                 # http://dev.w3.org/html5/spec/common-microsyntaxes.html#real-numbers
  20                 # with the addition that a leading '+' sign is ok.
  21                 if ( ! preg_match( '/^((\+|\-)?\d+(\.\d+)?(E(\+|\-)?\d+)?)?$/i', $value ) ) {
  22                         return $this->msg( 'htmlform-float-invalid' )->parseAsBlock();
  23                 }
  24
  25                 # The "int" part of these message names is rather confusing.
  26                 # They make equal sense for all numbers.
  27                 if ( isset( $this->mParams[ 'min' ] ) ) {
  28                         $min = $this->mParams[ 'min' ];
  29
  30                         if ( $min > $value ) {
  31                                 return $this->msg( 'htmlform-int-toolow', $min )->parseAsBlock();
  32                         }
  33                 }
  34
  35                 if ( isset( $this->mParams[ 'max' ] ) ) {
  36                         $max = $this->mParams[ 'max' ];
  37
  38                         if ( $max < $value ) {
  39                                 return $this->msg( 'htmlform-int-toohigh', $max )->parseAsBlock();
  40                         }
  41                 }
  42
  43                 return true;
  44         }
  45 }