[Sommaire] [Imprimer]

   1  <?php
   2  /**

   3   * Smarty plugin

   4   * @package Smarty

   5   * @subpackage plugins

   6   */
   7  
   8  /**

   9   * Smarty {cycle} function plugin

  10   *

  11   * Type:     function<br>

  12   * Name:     cycle<br>

  13   * Date:     May 3, 2002<br>

  14   * Purpose:  cycle through given values<br>

  15   * Input:

  16   *         - name = name of cycle (optional)

  17   *         - values = comma separated list of values to cycle,

  18   *                    or an array of values to cycle

  19   *                    (this can be left out for subsequent calls)

  20   *         - reset = boolean - resets given var to true

  21   *         - print = boolean - print var or not. default is true

  22   *         - advance = boolean - whether or not to advance the cycle

  23   *         - delimiter = the value delimiter, default is ","

  24   *         - assign = boolean, assigns to template var instead of

  25   *                    printed.

  26   *

  27   * Examples:<br>

  28   * <pre>

  29   * {cycle values="#eeeeee,#d0d0d0d"}

  30   * {cycle name=row values="one,two,three" reset=true}

  31   * {cycle name=row}

  32   * </pre>

  33   * @link http://smarty.php.net/manual/en/language.function.cycle.php {cycle}

  34   *       (Smarty online manual)

  35   * @author Monte Ohrt <monte at ohrt dot com>

  36   * @author credit to Mark Priatel <mpriatel@rogers.com>

  37   * @author credit to Gerard <gerard@interfold.com>

  38   * @author credit to Jason Sweat <jsweat_php@yahoo.com>

  39   * @version  1.3

  40   * @param array

  41   * @param Smarty

  42   * @return string|null

  43   */
  44  function smarty_function_cycle($params, &$smarty)
  45  {
  46      static $cycle_vars;
  47      
  48      $name = (empty($params['name'])) ? 'default' : $params['name'];
  49      $print = (isset($params['print'])) ? (bool)$params['print'] : true;
  50      $advance = (isset($params['advance'])) ? (bool)$params['advance'] : true;
  51      $reset = (isset($params['reset'])) ? (bool)$params['reset'] : false;
  52              
  53      if (!in_array('values', array_keys($params))) {
  54          if(!isset($cycle_vars[$name]['values'])) {
  55              $smarty->trigger_error("cycle: missing 'values' parameter");
  56              return;
  57          }
  58      } else {
  59          if(isset($cycle_vars[$name]['values'])
  60              && $cycle_vars[$name]['values'] != $params['values'] ) {
  61              $cycle_vars[$name]['index'] = 0;
  62          }
  63          $cycle_vars[$name]['values'] = $params['values'];
  64      }
  65  
  66      $cycle_vars[$name]['delimiter'] = (isset($params['delimiter'])) ? $params['delimiter'] : ',';
  67      
  68      if(is_array($cycle_vars[$name]['values'])) {
  69          $cycle_array = $cycle_vars[$name]['values'];
  70      } else {
  71          $cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']);
  72      }
  73      
  74      if(!isset($cycle_vars[$name]['index']) || $reset ) {
  75          $cycle_vars[$name]['index'] = 0;
  76      }
  77      
  78      if (isset($params['assign'])) {
  79          $print = false;
  80          $smarty->assign($params['assign'], $cycle_array[$cycle_vars[$name]['index']]);
  81      }
  82          
  83      if($print) {
  84          $retval = $cycle_array[$cycle_vars[$name]['index']];
  85      } else {
  86          $retval = null;
  87      }
  88  
  89      if($advance) {
  90          if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) {
  91              $cycle_vars[$name]['index'] = 0;
  92          } else {
  93              $cycle_vars[$name]['index']++;
  94          }
  95      }
  96      
  97      return $retval;
  98  }
  99  
 100  /* vim: set expandtab: */

 101  
 102  ?>