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   1  <?php
   2  /**

   3   * Smarty plugin

   4   * @package Smarty

   5   * @subpackage plugins

   6   */
   7  
   8  
   9  /**

  10   * Smarty {html_options} function plugin

  11   *

  12   * Type:     function<br>

  13   * Name:     html_options<br>

  14   * Input:<br>

  15   *           - name       (optional) - string default "select"

  16   *           - values     (required if no options supplied) - array

  17   *           - options    (required if no values supplied) - associative array

  18   *           - selected   (optional) - string default not set

  19   *           - output     (required if not options supplied) - array

  20   * Purpose:  Prints the list of <option> tags generated from

  21   *           the passed parameters

  22   * @link http://smarty.php.net/manual/en/language.function.html.options.php {html_image}

  23   *      (Smarty online manual)

  24   * @param array

  25   * @param Smarty

  26   * @return string

  27   * @uses smarty_function_escape_special_chars()

  28   */
  29  function smarty_function_html_options($params, &$smarty)
  30  {
  31      require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
  32      
  33      $name = null;
  34      $values = null;
  35      $options = null;
  36      $selected = array();
  37      $output = null;
  38      
  39      $extra = '';
  40      
  41      foreach($params as $_key => $_val) {
  42          switch($_key) {
  43              case 'name':
  44                  $$_key = (string)$_val;
  45                  break;
  46              
  47              case 'options':
  48                  $$_key = (array)$_val;
  49                  break;
  50                  
  51              case 'values':
  52              case 'output':
  53                  $$_key = array_values((array)$_val);
  54                  break;
  55  
  56              case 'selected':
  57                  $$_key = array_map('strval', array_values((array)$_val));
  58                  break;
  59                  
  60              default:
  61                  if(!is_array($_val)) {
  62                      $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
  63                  } else {
  64                      $smarty->trigger_error("html_options: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
  65                  }
  66                  break;
  67          }
  68      }
  69  
  70      if (!isset($options) && !isset($values))
  71          return ''; /* raise error here? */
  72  
  73      $_html_result = '';
  74  
  75      if (isset($options)) {
  76          
  77          foreach ($options as $_key=>$_val)
  78              $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
  79  
  80      } else {
  81          
  82          foreach ($values as $_i=>$_key) {
  83              $_val = isset($output[$_i]) ? $output[$_i] : '';
  84              $_html_result .= smarty_function_html_options_optoutput($_key, $_val, $selected);
  85          }
  86  
  87      }
  88  
  89      if(!empty($name)) {
  90          $_html_result = '<select name="' . $name . '"' . $extra . '>' . "\n" . $_html_result . '</select>' . "\n";
  91      }
  92  
  93      return $_html_result;
  94  
  95  }
  96  
  97  function smarty_function_html_options_optoutput($key, $value, $selected) {
  98      if(!is_array($value)) {
  99          $_html_result = '<option label="' . smarty_function_escape_special_chars($value) . '" value="' .
 100              smarty_function_escape_special_chars($key) . '"';
 101          if (in_array((string)$key, $selected))
 102              $_html_result .= ' selected="selected"';
 103          $_html_result .= '>' . smarty_function_escape_special_chars($value) . '</option>' . "\n";
 104      } else {
 105          $_html_result = smarty_function_html_options_optgroup($key, $value, $selected);
 106      }
 107      return $_html_result;
 108  }
 109  
 110  function smarty_function_html_options_optgroup($key, $values, $selected) {
 111      $optgroup_html = '<optgroup label="' . smarty_function_escape_special_chars($key) . '">' . "\n";
 112      foreach ($values as $key => $value) {
 113          $optgroup_html .= smarty_function_html_options_optoutput($key, $value, $selected);
 114      }
 115      $optgroup_html .= "</optgroup>\n";
 116      return $optgroup_html;
 117  }
 118  
 119  /* vim: set expandtab: */

 120  
 121  ?>