<?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 &nbsp;

 *           - 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 <christopher.kvarme@flashjab.com>

 * @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;

}

?>