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<?php/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */
 
 
 /**
 * Smarty {html_radios} function plugin
 *
 * File:       function.html_radios.php<br>
 * Type:       function<br>
 * Name:       html_radios<br>
 * Date:       24.Feb.2003<br>
 * Purpose:    Prints out a list of radio input types<br>
 * Input:<br>
 *           - name       (optional) - string default "radio"
 *           - values     (required) - array
 *           - options    (optional) - associative array
 *           - checked    (optional) - array default not set
 *           - separator  (optional) - ie <br> or  
 *           - output     (optional) - the output next to each radio button
 *           - assign     (optional) - assign the output as an array to this variable
 * Examples:
 * <pre>
 * {html_radios values=$ids output=$names}
 * {html_radios values=$ids name='box' separator='<br>' output=$names}
 * {html_radios values=$ids checked=$checked separator='<br>' output=$names}
 * </pre>
 * @link http://smarty.php.net/manual/en/language.function.html.radios.php {html_radios}
 *      (Smarty online manual)
 * @author     Christopher Kvarme <[email protected]>
 * @author credits to Monte Ohrt <monte at ohrt dot com>
 * @version    1.0
 * @param array
 * @param Smarty
 * @return string
 * @uses smarty_function_escape_special_chars()
 */
 function smarty_function_html_radios($params, &$smarty)
 {
 require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
 
 $name = 'radio';
 $values = null;
 $options = null;
 $selected = null;
 $separator = '';
 $labels = true;
 $label_ids = false;
 $output = null;
 $extra = '';
 
 foreach($params as $_key => $_val) {
 switch($_key) {
 case 'name':
 case 'separator':
 $$_key = (string)$_val;
 break;
 
 case 'checked':
 case 'selected':
 if(is_array($_val)) {
 $smarty->trigger_error('html_radios: the "' . $_key . '" attribute cannot be an array', E_USER_WARNING);
 } else {
 $selected = (string)$_val;
 }
 break;
 
 case 'labels':
 case 'label_ids':
 $$_key = (bool)$_val;
 break;
 
 case 'options':
 $$_key = (array)$_val;
 break;
 
 case 'values':
 case 'output':
 $$_key = array_values((array)$_val);
 break;
 
 case 'radios':
 $smarty->trigger_error('html_radios: the use of the "radios" attribute is deprecated, use "options" instead', E_USER_WARNING);
 $options = (array)$_val;
 break;
 
 case 'assign':
 break;
 
 default:
 if(!is_array($_val)) {
 $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
 } else {
 $smarty->trigger_error("html_radios: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
 }
 break;
 }
 }
 
 if (!isset($options) && !isset($values))
 return ''; /* raise error here? */
 
 $_html_result = array();
 
 if (isset($options)) {
 
 foreach ($options as $_key=>$_val)
 $_html_result[] = smarty_function_html_radios_output($name, $_key, $_val, $selected, $extra, $separator, $labels, $label_ids);
 
 } else {
 
 foreach ($values as $_i=>$_key) {
 $_val = isset($output[$_i]) ? $output[$_i] : '';
 $_html_result[] = smarty_function_html_radios_output($name, $_key, $_val, $selected, $extra, $separator, $labels, $label_ids);
 }
 
 }
 
 if(!empty($params['assign'])) {
 $smarty->assign($params['assign'], $_html_result);
 } else {
 return implode("\n",$_html_result);
 }
 
 }
 
 function smarty_function_html_radios_output($name, $value, $output, $selected, $extra, $separator, $labels, $label_ids) {
 $_output = '';
 if ($labels) {
 if($label_ids) {
 $_id = smarty_function_escape_special_chars(preg_replace('![^\w\-\.]!', '_', $name . '_' . $value));
 $_output .= '<label for="' . $_id . '">';
 } else {
 $_output .= '<label>';
 }
 }
 $_output .= '<input type="radio" name="'
 . smarty_function_escape_special_chars($name) . '" value="'
 . smarty_function_escape_special_chars($value) . '"';
 
 if ($labels && $label_ids) $_output .= ' id="' . $_id . '"';
 
 if ((string)$value==$selected) {
 $_output .= ' checked="checked"';
 }
 $_output .= $extra . ' />' . $output;
 if ($labels) $_output .= '</label>';
 $_output .=  $separator;
 
 return $_output;
 }
 
 ?>
 
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