<?php defined('CORE_DIR') || exit('入口错误'); ?>
<?php
/*
 * Type:     function
 * Name:     html_options
 * Purpose:  prints out the options for an html_select item
 * Credit:   Taken from the original Smarty
 *           http://smarty.php.net
 */
function tpl_function_html_options($params, &$tpl)
{
    require_once("shared.escape_chars.php");
    $name = null;
    $options = null;
    $selected = array();
    $extra = '';

    foreach($params as $_key => $_val)
    {
        switch($_key)
        {
            case 'name':
                $$_key = (string)$_val;
                break;
            case 'options':
                $$_key = (array)$_val;
                break;
            case 'values':
            case 'output':
                $$_key = array_values((array)$_val);
                break;
            case 'selected':
                $$_key = array_values((array)$_val);
                break;
            default:
                if(!is_array($_key))
                {
                    $extra .= ' ' . $_key . '="' . tpl_escape_chars($_val) . '"';
                }
                else
                {
                    $tpl->trigger_error("html_select: attribute '$_key' cannot be an array");
                }
                break;
        }
    }

    $_html_result = '';
    if (is_array($options))
    {
        foreach ($options as $_key=>$_val)
        {
            $_html_result .= tpl_function_html_options_optoutput($tpl, $_key, $_val, $selected);
        }
    }
    else
    {
        foreach ((array)$values as $_i=>$_key)
        {
            $_val = isset($output[$_i]) ? $output[$_i] : '';
            $_html_result .= tpl_function_html_options_optoutput($tpl, $_key, $_val, $selected);
        }
     }

    if(!empty($name))
    {
        $_html_result = '<select name="' . tpl_escape_chars($name) . '"' . $extra . '>' . "\n" . $_html_result . '</select>' . "\n";
    }

    return $_html_result;
}

function tpl_function_html_options_optoutput(&$tpl, $key, $value, $selected)
{
    if(!is_array($value))
    {
        $_html_result = '<option label="' . tpl_escape_chars($value) . '" value="' . tpl_escape_chars($key) . '"';
        if (in_array($key, $selected))
        {
            $_html_result .= ' selected="selected"';
        }
        $_html_result .= '>' . tpl_escape_chars($value) . '</option>' . "\n";
    }
    else
    {
        $_html_result = tpl_function_html_options_optgroup($tpl, $key, $value, $selected);
    }
    return $_html_result;
}

function tpl_function_html_options_optgroup(&$tpl, $key, $values, $selected)
{
    $optgroup_html = '<optgroup label="' . tpl_escape_chars($key) . '">' . "\n";
    foreach ($values as $key => $value)
    {
        $optgroup_html .= tpl_function_html_options_optoutput($tpl, $key, $value, $selected);
    }
    $optgroup_html .= "</optgroup>\n";
    return $optgroup_html;
}

?>