includes/htmlform/fields/HTMLSelectLimitField.php

   1 <?php
   2
   3 /**
   4  * A limit dropdown, which accepts any valid number
   5  */
   6 class HTMLSelectLimitField extends HTMLSelectField {
   7         /**
   8          * Basically don't do any validation. If it's a number that's fine. Also,
   9          * add it to the list if it's not there already
  10          *
  11          * @param string $value
  12          * @param array $alldata
  13          * @return bool
  14          */
  15         public function validate( $value, $alldata ) {
  16                 if ( $value == '' ) {
  17                         return true;
  18                 }
  19
  20                 // Let folks pick an explicit limit not from our list, as long as it's a real numbr.
  21                 if ( !in_array( $value, $this->mParams['options'] )
  22                         && $value == intval( $value )
  23                         && $value > 0
  24                 ) {
  25                         // This adds the explicitly requested limit value to the drop-down,
  26                         // then makes sure it's sorted correctly so when we output the list
  27                         // later, the custom option doesn't just show up last.
  28                         $this->mParams['options'][$this->mParent->getLanguage()->formatNum( $value )] =
  29                                 intval( $value );
  30                         asort( $this->mParams['options'] );
  31                 }
  32
  33                 return true;
  34         }
  35 }