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   1  <?php
   2  //--------------------------------------------------------------------------------
   3  // Copyright 2003 Procata, Inc.
   4  // Released under the LGPL license (http://www.gnu.org/copyleft/lesser.html)
   5  //--------------------------------------------------------------------------------
   6  /**
   7  * @package WACT_TAG
   8  * @version $Id: roweven.prop.php,v 1.4 2004/11/18 04:22:49 jeffmoore Exp $
   9  */
  10  
  11  PropertyDictionary::registerProperty(
  12      new PropertyInfo('ListRowEven', 'list:LIST', 'ListRowEvenProperty'), __FILE__);
  13  
  14  class ListRowEvenProperty extends CompilerProperty {
  15  
  16      var $tempvar;
  17      var $hasIncrement = FALSE;
  18  
  19  	function generateScopeEntry(&$code) {
  20          $this->tempvar = $code->getTempVariable();
  21          $code->writePHP('$' . $this->tempvar . ' = 0;');
  22      }
  23  
  24      /**
  25      * Generate setup code for an expression reference
  26      * @param CodeWriter
  27      * @return void
  28      * @access protected
  29      */
  30  	function generatePreStatement(&$code) {
  31          if (!$this->hasIncrement) {
  32              $this->hasIncrement = TRUE;
  33              $code->writePHP('$' . $this->tempvar . '++;');
  34          }
  35      }
  36  
  37      /**
  38      * Generate the code to read the data value at run time
  39      * Must generate only a valid PHP Expression.
  40      * @param CodeWriter
  41      * @return void
  42      * @access protected
  43      */
  44  	function generateExpression(&$code) {
  45          $code->writePHP('(( $' . $this->tempvar . ' % 2) == 0)');
  46      }
  47  
  48  }
  49  ?>