<?php 
/**
 * Simple Tree Navigation Plugin
 * @author     Yves Fischer <yvesf-git@xapek.org>
 */
if(!defined('DOKU_INC')) die();
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once DOKU_PLUGIN.'syntax.php';
     
class syntax_plugin_treenav extends DokuWiki_Syntax_Plugin {     
    private $keys = array("icon", "title");

    function getType() { return 'baseonly'; }    
    function getSort() { return 32; }
     
    function connectTo($mode) {
        foreach ($this->keys as $key) {
            $this->Lexer->addSpecialPattern('~~'.$key.':.*?~~',$mode,'plugin_treenav');
        }
    }
     
    function handle($match, $state, $pos, &$handler) {
        switch ($state) {
        case DOKU_LEXER_SPECIAL:
            $match = substr($match, 2, -2);
            @list($key, $value) = explode(':', $match, 2);
            if (in_array($key, $this->keys)) {
                $this->setMetadata($key, $value);
            }
        }
    }
    
    function setMetadata($key, $value) {
        global $ID;
        $data = p_get_metadata($ID, "treenav", false) or array();
        $data[$key] = $value;
        return p_set_metadata($ID, array("treenav" => $data));
    }
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
/* Local Variables:       */
/* tab-width: 4           */
/* indent-tabs-mode: nil  */
/* c-basic-offset: 4      */
/* End:                   */