phpmyadmin/libraries/navigation/Navigation.class.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * This class is responsible for instanciating
   5  * the various components of the navigation panel
   6  *
   7  * @package PhpMyAdmin-navigation
   8  */
   9 if (! defined('PHPMYADMIN')) {
  10     exit;
  11 }
  12
  13 require_once 'libraries/navigation/NodeFactory.class.php';
  14 require_once 'libraries/navigation/NavigationHeader.class.php';
  15 require_once 'libraries/navigation/NavigationTree.class.php';
  16
  17 /**
  18  * The navigation panel - displays server, db and table selection tree
  19  *
  20  * @package PhpMyAdmin-Navigation
  21  */
  22 class PMA_Navigation
  23 {
  24     /**
  25      * Initialises the class
  26      *
  27      * @return void
  28      */
  29     public function __construct()
  30     {
  31         if (empty($GLOBALS['token'])) {
  32             $GLOBALS['token'] = $_SESSION[' PMA_token '];
  33         }
  34     }
  35
  36     /**
  37      * Renders the navigation tree, or part of it
  38      *
  39      * @return string The navigation tree
  40      */
  41     public function getDisplay()
  42     {
  43         /* Init */
  44         $retval = '';
  45         if (! PMA_Response::getInstance()->isAjax()) {
  46             $header = new PMA_NavigationHeader();
  47             $retval = $header->getDisplay();
  48         }
  49         $tree = new PMA_NavigationTree();
  50         if (! PMA_Response::getInstance()->isAjax()
  51             || ! empty($_REQUEST['full'])
  52             || ! empty($_REQUEST['reload'])
  53         ) {
  54             $treeRender = $tree->renderState();
  55         } else {
  56             $treeRender = $tree->renderPath();
  57         }
  58
  59         if (! $treeRender) {
  60             $retval .= PMA_Message::error(
  61                 __('An error has occured while loading the navigation tree')
  62             )->getDisplay();
  63         } else {
  64             $retval .= $treeRender;
  65         }
  66
  67         if (! PMA_Response::getInstance()->isAjax()) {
  68             // closes the tags that were opened by the navigation header
  69             $retval .= '</div>';
  70             $retval .= '</div>';
  71             $retval .= '</div>';
  72         }
  73
  74         return $retval;
  75     }
  76 }
  77 ?>