PHP » Quellcode betrachten

Download

<?php
/* xml_extension class
 * (C) 2006 Julian von Mendel (http://derjulian.net)
 * License: LGPL
 */

class xml_toc implements xml_widget
{
    public $node;
    public $xml ;

    function __construct($node, $xml)
    {
        $this->node = $node;
        $this->xml  = $xml ;
    }

    public static function dtd()
    {
        return <<<DTD
DTD;
    }

    public  function output($returntype = "xhtml")
    {
        if (!method_exists($this, $returntype))
        {
            return False;
        }

        return $this->xml->addReplacement(array($this, $returntype));
    }

    public function xhtml($toc)
    {
        $toc = $this->xml->getDataItem("headlines");
        if (!is_array($toc["anchor-title"])) return "";
        $ret = "<ul>";
        $open = 1;
        foreach($toc["anchor-title"] as $key => $headline)
        {
            $ret .= "<li><a href=\"#".$headline["anchor"]."\">".$headline["content"]."</a>";
            if (isset($toc["anchor-title"][$key+1]["level"]))
            {
                if ($toc["anchor-title"][$key+1]["level"] > $headline["level"])
                {
                    $open++;
                    $ret .= "<ul>";
                }
                else if ($toc["anchor-title"][$key+1]["level"] < $headline["level"])
                {
                    $open--;
                    $ret .= "</li></ul></li>";
                }
                else
                {
                    $ret .= "</li>";
                }
            }
        }
        for($i = 0; $i <= $open; $i++)
        {
            $open--;
            $ret .= "</li></ul>";
        }
        return $ret;
    }
}
?>