Просмотр файла globalchat/view/smarty/plugins/function.cycle.php

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  1. <?php
  2. /**
  3. * Smarty plugin
  4. *
  5. * @package Smarty
  6. * @subpackage PluginsFunction
  7. */
  8.  
  9. /**
  10. * Smarty {cycle} function plugin
  11. *
  12. * Type: function<br>
  13. * Name: cycle<br>
  14. * Date: May 3, 2002<br>
  15. * Purpose: cycle through given values<br>
  16. * Params:
  17. * <pre>
  18. * - name - name of cycle (optional)
  19. * - values - comma separated list of values to cycle, or an array of values to cycle
  20. * (this can be left out for subsequent calls)
  21. * - reset - boolean - resets given var to true
  22. * - print - boolean - print var or not. default is true
  23. * - advance - boolean - whether or not to advance the cycle
  24. * - delimiter - the value delimiter, default is ","
  25. * - assign - boolean, assigns to template var instead of printed.
  26. * </pre>
  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. *
  34. * @link http://www.smarty.net/manual/en/language.function.cycle.php {cycle}
  35. * (Smarty online manual)
  36. * @author Monte Ohrt <monte at ohrt dot com>
  37. * @author credit to Mark Priatel <mpriatel@rogers.com>
  38. * @author credit to Gerard <gerard@interfold.com>
  39. * @author credit to Jason Sweat <jsweat_php@yahoo.com>
  40. * @version 1.3
  41. * @param array $params parameters
  42. * @param Smarty_Internal_Template $template template object
  43. * @return string|null
  44. */
  45.  
  46. function smarty_function_cycle($params, $template)
  47. {
  48. static $cycle_vars;
  49.  
  50. $name = (empty($params['name'])) ? 'default' : $params['name'];
  51. $print = (isset($params['print'])) ? (bool)$params['print'] : true;
  52. $advance = (isset($params['advance'])) ? (bool)$params['advance'] : true;
  53. $reset = (isset($params['reset'])) ? (bool)$params['reset'] : false;
  54.  
  55. if (!isset($params['values'])) {
  56. if(!isset($cycle_vars[$name]['values'])) {
  57. trigger_error("cycle: missing 'values' parameter");
  58. return;
  59. }
  60. } else {
  61. if(isset($cycle_vars[$name]['values'])
  62. && $cycle_vars[$name]['values'] != $params['values'] ) {
  63. $cycle_vars[$name]['index'] = 0;
  64. }
  65. $cycle_vars[$name]['values'] = $params['values'];
  66. }
  67.  
  68. if (isset($params['delimiter'])) {
  69. $cycle_vars[$name]['delimiter'] = $params['delimiter'];
  70. } elseif (!isset($cycle_vars[$name]['delimiter'])) {
  71. $cycle_vars[$name]['delimiter'] = ',';
  72. }
  73.  
  74. if(is_array($cycle_vars[$name]['values'])) {
  75. $cycle_array = $cycle_vars[$name]['values'];
  76. } else {
  77. $cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']);
  78. }
  79.  
  80. if(!isset($cycle_vars[$name]['index']) || $reset ) {
  81. $cycle_vars[$name]['index'] = 0;
  82. }
  83.  
  84. if (isset($params['assign'])) {
  85. $print = false;
  86. $template->assign($params['assign'], $cycle_array[$cycle_vars[$name]['index']]);
  87. }
  88.  
  89. if($print) {
  90. $retval = $cycle_array[$cycle_vars[$name]['index']];
  91. } else {
  92. $retval = null;
  93. }
  94.  
  95. if($advance) {
  96. if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) {
  97. $cycle_vars[$name]['index'] = 0;
  98. } else {
  99. $cycle_vars[$name]['index']++;
  100. }
  101. }
  102.  
  103. return $retval;
  104. }
  105.  
  106. ?>