<?php
/**
 * Smarty plugin
 *
 * @package Smarty
 * @subpackage PluginsFunction
 * @author  Andreas Goetz   <cpuidle@gmx.de>
 */

/**
* 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>
* 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 $params parameters
* 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
* @param object $smarty Smarty object
* @param object $template template object
* @return string
* @uses smarty_function_escape_special_chars()
*/
function smarty_function_html_radios($params, $template)
{
    require_once(SMARTY_PLUGINS_DIR . 'shared.escape_special_chars.php');
   
    $name = 'radio';
    $values = null;
    $options = null;
    $selected = null;
    $separator = '';
    $labels = true;
    $label_ids = false;
    $output = null;
    $extra = '';
	$label_extra = '';

    foreach($params as $_key => $_val) {
        switch($_key) {
            case 'name':
            case 'separator':
                $$_key = (string)$_val;
                break;

            case 'checked':
            case 'selected':
                if(is_array($_val)) {
                    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':
                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)) {
                	if (preg_match('/label_(.*)/', $_key, $m))
                		$label_extra .= ' '.$m[1].'="'.smarty_function_escape_special_chars($_val).'"';
                	else
                    $extra .= ' '.$_key.'="'.smarty_function_escape_special_chars($_val).'"';
                } else {
                    trigger_error("html_radios: extra attribute '$_key' cannot be an array", E_USER_NOTICE);
                }
                break;
        }
    }

    if (!isset($options) && !isset($values))
        return '';
    /* raise error here? */

    $_html_result = '';

    if (isset($options) && is_array($options)) {

        foreach ((array)$options as $_key=>$_val)
            $_html_result .= smarty_function_html_radios_output($name, $_key, $_val, $selected, $extra, $separator, $labels, $label_extra);

    } else {

        foreach ((array)$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_extra);
        }

    }

    return $_html_result;

}

function smarty_function_html_radios_output($name, $value, $output, $selected, $extra, $separator, $labels, $label_extra) {
    $_output = '';
//	if ($labels) $_output .= '<label for="'.smarty_function_escape_special_chars($name).smarty_function_escape_special_chars($value).'">';
	if ($labels) $_output .= '<label for="'.smarty_function_escape_special_chars($name).smarty_function_escape_special_chars($value).'"'.$label_extra.'>';

    $_output .= '<input type="radio" name="'
		. smarty_function_escape_special_chars($name) . '" id="'
        . smarty_function_escape_special_chars($name) . smarty_function_escape_special_chars($value) . '" value="'
        . smarty_function_escape_special_chars($value) . '"';

    if ($value==$selected) {
        $_output .= ' checked="checked"';
    }
    $_output .= $extra . ' />' . $output;
    if ($labels) $_output .= '</label>';
    $_output .=  $separator . "\n";

    return $_output;
}

?>
