<?php
// vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:
/**
 * Toc rule end renderer for Xhtml
 *
 * PHP versions 4 and 5
 *
 * @category   Text
 * @package    Text_Wiki
 * @author     Paul M. Jones <pmjones@php.net>
 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
 * @version    CVS: $Id$
 * @link       http://pear.php.net/package/Text_Wiki
 */

/**
 * This class inserts a table of content in XHTML.
 *
 * @category   Text
 * @package    Text_Wiki
 * @author     Paul M. Jones <pmjones@php.net>
 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
 * @version    Release: @package_version@
 * @link       http://pear.php.net/package/Text_Wiki
 */
class Text_Wiki_Render_Xhtml_Toc extends Text_Wiki_Render {

    var $conf = array(
        "css_list" => null,
        "css_item" => null,
        "title" => "<strong>Table of Contents</strong>",
        "div_id" => "toc",
        "base_url" => "",
        "collapse" => true
    );

    var $min = 2;

    /**
    *
    * Renders a token into text matching the requested format.
    *
    * @access public
    *
    * @param array $options The "options" portion of the token (second
    * element).
    *
    * @return string The text rendered from the token options.
    *
    */

    function token($options)
    {
        // type, id, level, count, attr
        extract($options);

        switch ($type) {

        case "list_start":

            $css = $this->getConf("css_list");
            $html = "";

            // collapse div within a table?
            if ($this->getConf("collapse")) {
                $html .= '<table border="0" cellspacing="0" cellpadding="0">';
                $html .= "<tr><td>\n";
            }

            // add the div, class, and id
            $html .= "<div";
            if ($css) {
                $html .= " class=\"$css\"";
            }

            $div_id = $this->getConf("div_id");
            if ($div_id) {
                $html .= " id=\"$div_id\"";
            }

            // add the title, and done
            $html .= ">";
            $html .= $this->getConf("title");
            return $html;
            break;

        case "list_end":
        	if ($this->getConf("collapse")) {
        	    return "\n</div>\n</td></tr></table>\n\n";
        	} else {
                return "\n</div>\n\n";
            }
            break;

        case "item_start":
            $html = "\n\t<div";

            $css = $this->getConf("css_item");
            if ($css) {
                $html .= " class=\"$css\"";
            }

            $pad = ($level - $this->min);
            $html .= " style=\"margin-left: {$pad}em;\">";

            $html .= '<a href="' . $this->getConf("base_url") . "#" . $id . '">';
            return $html;
            break;

        case "item_end":
            return "</a></div>";
            break;
        }
    }
}
?>
