<?php

/*
 * Smarty plugin
 * -------------------------------------------------------------
 * Type:     function
 * Name:     html_list
 * Version:     0.1
 * Date:     2003-03-06
 * Author:     Joscha Feth, joscha@feth.com, www.feth.com
 * Purpose:  Prints a list (either an ordered list  or an unordered list)
 * Params:   
 *             needed        array    values    the values for the list, array can cotain other arrays
 *          optional    string    list    either "ol" or "ul" default is "ul"
 *            optional    string    type    for ordered lists:        I,i,A or a
 *                                        for unordered lists:    circle, square or disc
 *             optional    string    xl_attr    additional attributes for the "ol" or "ul" tags
 *             optional    string    li_attr    additional attributes for the "li" tags
 * Usage:    {html_list values=$array} - creates an unordered list
 *             {html_list values=$array list="ol"} - creates an ordered list
 *             {html_list values=$array type="square"} - creates an unordered list with squares
 * Install: Drop into the plugin directory 
 *                            
 * -------------------------------------------------------------
 */
function smarty_function_html_list($params, &$smarty)
{
    if(    !is_array($params["values"]) ||
        !count($params["values"])) {
        return "I think you want to create a list - where are the values?";
    }
    require_once $smarty->_get_plugin_filepath('shared','escape_special_chars');
    
    $params["list"] = strtolower($params["list"]);
    
    if(    empty($params["list"]) ||
        !in_array($params["list"],array("ol","ul"))) {
        $params["list"] = "ul";
    }
    
    if(    $params["list"] == "ul"    &&
        !in_array(strtolower($params["type"]),array("circle","square","disc"))) {
        unset($params["type"]);
    } else if (    $params["list"] == "ol" &&
                !in_array($params["type"],array("I","i","A","a"))) {
        unset($params["type"]);
    }
    
    
    $html_result = smarty_function_html_list_make(
                                                $params["values"],
                                                $params["list"],
                                                $params["type"],
                                                $params["xl_attr"],
                                                $params["li_attr"]);

    return $html_result;
}


function smarty_function_html_list_make($arr,$list,$type,$xl_attr,$li_attr,$level = 0)
{
    $temp = str_repeat("\t",$level)."<".$list;
    if (!empty($type)) {
        $temp .= " type=\"".$type."\"";
    }
    if (!empty($xl_attr)) {
        $temp .= " ".$xl_attr;
    }
    $temp .= ">\n";
    foreach($arr AS $val) {
        if(is_array($val)) {
            $temp .= smarty_function_html_list_make($val,$list,$type,$xl_attr,$li_attr,$level+1);
        } else {
            $temp .= str_repeat("\t",$level+1)."<li";
            if (!empty($li_attr)) {
                $temp .= " ".$li_attr;
            }           
            $temp .= ">".smarty_function_escape_special_chars($val)."</li>\n";
        }
    }
    return $temp.str_repeat("\t",$level)."</".$list.">\n";
}
?>