[Summary view] [Print] [Text view]

   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  	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  }