<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* This class is responsible for instanciating
* the various components of the navigation panel
*
* @package PhpMyAdmin-navigation
*/
if (! defined('PHPMYADMIN')) {
exit;
}

require_once 'libraries/navigation/NodeFactory.class.php';
require_once 'libraries/navigation/NavigationHeader.class.php';
require_once 'libraries/navigation/NavigationTree.class.php';

/**
* The navigation panel - displays server, db and table selection tree
*
* @package PhpMyAdmin-Navigation
*/
class PMA_Navigation
{
/**
* Initialises the class
*
* @return void
*/
public function __construct()
{
if (empty($GLOBALS['token'])) {
$GLOBALS['token'] = $_SESSION[' PMA_token '];
}
}

/**
* Renders the navigation tree, or part of it
*
* @return string The navigation tree
*/
public function getDisplay()
{
/* Init */
$retval = '';
if (! PMA_Response::getInstance()->isAjax()) {
$header = new PMA_NavigationHeader();
$retval = $header->getDisplay();
}
$tree = new PMA_NavigationTree();
if (! PMA_Response::getInstance()->isAjax()
|| ! empty($_REQUEST['full'])
|| ! empty($_REQUEST['reload'])
) {
$treeRender = $tree->renderState();
} else {
$treeRender = $tree->renderPath();
}

if (! $treeRender) {
$retval .= PMA_Message::error(
__('An error has occured while loading the navigation tree')
)->getDisplay();
} else {
$retval .= $treeRender;
}

if (! PMA_Response::getInstance()->isAjax()) {
// closes the tags that were opened by the navigation header
$retval .= '</div>';
$retval .= '</div>';
$retval .= '</div>';
}

return $retval;
}
}
?>