[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  /*
   4   * Smarty plugin
   5   * -------------------------------------------------------------
   6   * Type:     function
   7   * Name:     cycle
   8   * Version:  1.3
   9   * Date:     May 3, 2002
  10   * Author:     Monte Ohrt <monte@ispi.net>
  11   * Credits:  Mark Priatel <mpriatel@rogers.com>
  12   *           Gerard <gerard@interfold.com>
  13   *           Jason Sweat <jsweat_php@yahoo.com>
  14   * Purpose:  cycle through given values
  15   * Input:    name = name of cycle (optional)
  16   *           values = comma separated list of values to cycle,
  17   *                    or an array of values to cycle
  18   *                    (this can be left out for subsequent calls)
  19   *
  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: {cycle values="#eeeeee,#d0d0d0d"}
  28   *           {cycle name=row values="one,two,three" reset=true}
  29   *           {cycle name=row}
  30   * -------------------------------------------------------------
  31   */
  32  function smarty_function_cycle($params, &$smarty)
  33  {
  34      static $cycle_vars;
  35      
  36      extract($params);
  37  
  38      if (empty($name)) {
  39          $name = 'default';
  40      }
  41  
  42      if (!isset($print)) {
  43          $print = true;
  44      }
  45  
  46      if (!isset($advance)) {
  47          $advance = true;        
  48      }    
  49  
  50      if (!isset($reset)) {
  51          $reset = false;        
  52      }        
  53              
  54      if (!in_array('values', array_keys($params))) {
  55          if(!isset($cycle_vars[$name]['values'])) {
  56              $smarty->trigger_error("cycle: missing 'values' parameter");
  57              return;
  58          }
  59      } else {
  60          if(isset($cycle_vars[$name]['values'])
  61              && $cycle_vars[$name]['values'] != $values ) {
  62              $cycle_vars[$name]['index'] = 0;
  63          }
  64          $cycle_vars[$name]['values'] = $values;
  65      }
  66  
  67      if (isset($delimiter)) {
  68          $cycle_vars[$name]['delimiter'] = $delimiter;
  69      } elseif (!isset($cycle_vars[$name]['delimiter'])) {
  70          $cycle_vars[$name]['delimiter'] = ',';        
  71      }
  72      
  73      if(!is_array($cycle_vars[$name]['values'])) {
  74          $cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']);
  75      } else {
  76          $cycle_array = $cycle_vars[$name]['values'];    
  77      }
  78      
  79      if(!isset($cycle_vars[$name]['index']) || $reset ) {
  80          $cycle_vars[$name]['index'] = 0;
  81      }
  82      
  83      if (isset($assign)) {
  84          $print = false;
  85          $smarty->assign($assign, $cycle_array[$cycle_vars[$name]['index']]);
  86      }
  87          
  88      if($print) {
  89          echo $cycle_array[$cycle_vars[$name]['index']];
  90      }
  91  
  92      if($advance) {
  93          if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) {
  94              $cycle_vars[$name]['index'] = 0;            
  95          } else {
  96              $cycle_vars[$name]['index']++;
  97          }
  98      }
  99  }
 100  
 101  /* vim: set expandtab: */
 102  
 103  ?>