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   1  <?php
   2  /**
   3   * Smarty plugin
   4   * @package Smarty
   5   * @subpackage plugins
   6   */
   7  
   8  
   9  /**
  10   * Smarty {html_radios} function plugin
  11   *
  12   * File:       function.html_radios.php<br>
  13   * Type:       function<br>
  14   * Name:       html_radios<br>
  15   * Date:       24.Feb.2003<br>
  16   * Purpose:    Prints out a list of radio input types<br>
  17   * Input:<br>
  18   *           - name       (optional) - string default "radio"
  19   *           - values     (required) - array
  20   *           - options    (optional) - associative array
  21   *           - checked    (optional) - array default not set
  22   *           - separator  (optional) - ie <br> or &nbsp;
  23   *           - output     (optional) - the output next to each radio button
  24   *           - assign     (optional) - assign the output as an array to this variable
  25   * Examples:
  26   * <pre>
  27   * {html_radios values=$ids output=$names}
  28   * {html_radios values=$ids name='box' separator='<br>' output=$names}
  29   * {html_radios values=$ids checked=$checked separator='<br>' output=$names}
  30   * </pre>
  31   * @link http://smarty.php.net/manual/en/language.function.html.radios.php {html_radios}
  32   *      (Smarty online manual)
  33   * @author     Christopher Kvarme <christopher.kvarme@flashjab.com>
  34   * @author credits to Monte Ohrt <monte at ohrt dot com>
  35   * @version    1.0
  36   * @param array
  37   * @param Smarty
  38   * @return string
  39   * @uses smarty_function_escape_special_chars()
  40   */
  41  function smarty_function_html_radios($params, &$smarty)
  42  {
  43      require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
  44     
  45      $name = 'radio';
  46      $values = null;
  47      $options = null;
  48      $selected = null;
  49      $separator = '';
  50      $labels = true;
  51      $label_ids = false;
  52      $output = null;
  53      $extra = '';
  54  
  55      foreach($params as $_key => $_val) {
  56          switch($_key) {
  57              case 'name':
  58              case 'separator':
  59                  $$_key = (string)$_val;
  60                  break;
  61  
  62              case 'checked':
  63              case 'selected':
  64                  if(is_array($_val)) {
  65                      $smarty->trigger_error('html_radios: the "' . $_key . '" attribute cannot be an array', E_USER_WARNING);
  66                  } else {
  67                      $selected = (string)$_val;
  68                  }
  69                  break;
  70  
  71              case 'labels':
  72              case 'label_ids':
  73                  $$_key = (bool)$_val;
  74                  break;
  75  
  76              case 'options':
  77                  $$_key = (array)$_val;
  78                  break;
  79  
  80              case 'values':
  81              case 'output':
  82                  $$_key = array_values((array)$_val);
  83                  break;
  84  
  85              case 'radios':
  86                  $smarty->trigger_error('html_radios: the use of the "radios" attribute is deprecated, use "options" instead', E_USER_WARNING);
  87                  $options = (array)$_val;
  88                  break;
  89  
  90              case 'assign':
  91                  break;
  92  
  93              default:
  94                  if(!is_array($_val)) {
  95                      $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
  96                  } else {
  97                      $smarty->trigger_error("html_radios: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
  98                  }
  99                  break;
 100          }
 101      }
 102  
 103      if (!isset($options) && !isset($values))
 104          return ''; /* raise error here? */
 105  
 106      $_html_result = array();
 107  
 108      if (isset($options)) {
 109  
 110          foreach ($options as $_key=>$_val)
 111              $_html_result[] = smarty_function_html_radios_output($name, $_key, $_val, $selected, $extra, $separator, $labels, $label_ids);
 112  
 113      } else {
 114  
 115          foreach ($values as $_i=>$_key) {
 116              $_val = isset($output[$_i]) ? $output[$_i] : '';
 117              $_html_result[] = smarty_function_html_radios_output($name, $_key, $_val, $selected, $extra, $separator, $labels, $label_ids);
 118          }
 119  
 120      }
 121  
 122      if(!empty($params['assign'])) {
 123          $smarty->assign($params['assign'], $_html_result);
 124      } else {
 125          return implode("\n",$_html_result);
 126      }
 127  
 128  }
 129  
 130  function smarty_function_html_radios_output($name, $value, $output, $selected, $extra, $separator, $labels, $label_ids) {
 131      $_output = '';
 132      if ($labels) {
 133        if($label_ids) {
 134            $_id = smarty_function_escape_special_chars(preg_replace('![^\w\-\.]!', '_', $name . '_' . $value));
 135            $_output .= '<label for="' . $_id . '">';
 136        } else {
 137            $_output .= '<label>';           
 138        }
 139     }
 140     $_output .= '<input type="radio" name="'
 141          . smarty_function_escape_special_chars($name) . '" value="'
 142          . smarty_function_escape_special_chars($value) . '"';
 143  
 144     if ($labels && $label_ids) $_output .= ' id="' . $_id . '"';
 145  
 146      if ((string)$value==$selected) {
 147          $_output .= ' checked="checked"';
 148      }
 149      $_output .= $extra . ' />' . $output;
 150      if ($labels) $_output .= '</label>';
 151      $_output .=  $separator;
 152  
 153      return $_output;
 154  }
 155  
 156  ?>