<?php
/*
    This file is part of POOF.

    POOF is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
    
    POOF is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    
    You should have received a copy of the GNU General Public License
    along with POOF; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

require_once(dirname(__FILE__) . "/../Hyperlinks.class.php");

/**
* A Bread Crumb Navigation Class. 
* @package poof
* @subpackage Bread_Crumb
* @author Brian Takita <hide@address.com>
* @version 0.4
*/
class Bread_Crumb extends Hyperlinks {
    /**
    * The Bread Crumb constructor. It initializes the Bread Crumb queue. The default delimiter between Bread Crumbs is &nbsp;&gt;&nbsp;.
    */
    function Bread_Crumb() {
        $this->Hyperlinks();
        $this->delimiter = "&nbsp;&gt;&nbsp;";
    }
    
    /**
    * Add a link into the Bread Crumb navigation.
    *
    * @param   $title  The displayed title name of the link.
    * @param   $url    The url of the displayed link.
    */
    function add($title, $url) {
        parent::add($title, $url);
    }
    /**
    * Parse the bread crumb into html. 
    * @return string The html for the Bread Crumb.
    */
    function parse() {
        $crumbs = &$this->_links;
        $items = $crumbs->get_length();

        $string = "";

        for ($i=0; $i < $items-1; $i++) {
            $content = &$crumbs->shift();
            $string .= '<a href="' . $content['url'] . '">' . $content['title'] . '</a>'. $this->delimiter;
        }

        $content = &$crumbs->shift();
        $string .= '<b>' . $content['title'] . '</b>';

        return $string;
    }
}
?>