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   1  <?php
   2  /* vim: set expandtab tabstop=4 shiftwidth=4: */
   3  // +----------------------------------------------------------------------+
   4  // | PHP version 4.0                                                      |
   5  // +----------------------------------------------------------------------+
   6  // | Copyright (c) 1997-2003 The PHP Group                                |
   7  // +----------------------------------------------------------------------+
   8  // | This source file is subject to version 2.0 of the PHP license,       |
   9  // | that is bundled with this package in the file LICENSE, and is        |
  10  // | available at through the world-wide-web at                           |
  11  // | http://www.php.net/license/2_02.txt.                                 |
  12  // | If you did not receive a copy of the PHP license and are unable to   |
  13  // | obtain it through the world-wide-web, please send a note to          |
  14  // | license@php.net so we can mail you a copy immediately.               |
  15  // +----------------------------------------------------------------------+
  16  // | Authors: Bertrand Mansion <bmansion@mamasam.com>                     |
  17  // +----------------------------------------------------------------------+
  18  //
  19  // $Id$
  20  
  21  require_once('HTML/QuickForm/Rule.php');
  22  
  23  /**
  24  * Validates values using range comparison
  25  * @version     1.0
  26  */
  27  class HTML_QuickForm_Rule_Range extends HTML_QuickForm_Rule
  28  {
  29      /**
  30       * Validates a value using a range comparison
  31       *
  32       * @param     string    $value      Value to be checked
  33       * @param     mixed     $options    Int for length, array for range
  34       * @access    public
  35       * @return    boolean   true if value is valid
  36       */
  37      function validate($value, $options = null)
  38      {
  39          $length = core_text::strlen($value);
  40          switch ($this->name) {
  41              case 'minlength': return ($length >= $options);
  42              case 'maxlength': return ($length <= $options);
  43              default:          return ($length >= $options[0] && $length <= $options[1]);
  44          }
  45      } // end func validate
  46  
  47  
  48      function getValidationScript($options = null)
  49      {
  50          switch ($this->name) {
  51              case 'minlength':
  52                  $test = '{jsVar}.length < '.$options;
  53                  break;
  54              case 'maxlength':
  55                  $test = '{jsVar}.length > '.$options;
  56                  break;
  57              default:
  58                  $test = '({jsVar}.length < '.$options[0].' || {jsVar}.length > '.$options[1].')';
  59          }
  60          return array('', "{jsVar} != '' && {$test}");
  61      } // end func getValidationScript
  62  
  63  } // end class HTML_QuickForm_Rule_Range
  64  ?>