1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (https://nette.org)
 5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
 6:  * @package Nette\Diagnostics
 7:  */
 8: 
 9: 
10: 
11: /**
12:  * Debug Bar.
13:  *
14:  * @author     David Grudl
15:  * @package Nette\Diagnostics
16:  */
17: class DebugBar extends Object
18: {
19:     /** @var array */
20:     private $panels = array();
21: 
22: 
23:     /**
24:      * Add custom panel.
25:      * @param  IBarPanel
26:      * @param  string
27:      * @return self
28:      */
29:     public function addPanel(IBarPanel $panel, $id = NULL)
30:     {
31:         if ($id === NULL) {
32:             $c = 0;
33:             do {
34:                 $id = get_class($panel) . ($c++ ? "-$c" : '');
35:             } while (isset($this->panels[$id]));
36:         }
37:         $this->panels[$id] = $panel;
38:         return $this;
39:     }
40: 
41: 
42:     /**
43:      * Renders debug bar.
44:      * @return void
45:      */
46:     public function render()
47:     {
48:         $obLevel = ob_get_level();
49:         $panels = array();
50:         foreach ($this->panels as $id => $panel) {
51:             try {
52:                 $panels[] = array(
53:                     'id' => preg_replace('#[^a-z0-9]+#i', '-', $id),
54:                     'tab' => $tab = (string) $panel->getTab(),
55:                     'panel' => $tab ? (string) $panel->getPanel() : NULL,
56:                 );
57:             } catch (Exception $e) {
58:                 $panels[] = array(
59:                     'id' => "error-" . preg_replace('#[^a-z0-9]+#i', '-', $id),
60:                     'tab' => "Error in $id",
61:                     'panel' => '<h1>Error: ' . $id . '</h1><div class="nette-inner">' . nl2br(htmlSpecialChars($e)) . '</div>',
62:                 );
63:                 while (ob_get_level() > $obLevel) { // restore ob-level if broken
64:                     ob_end_clean();
65:                 }
66:             }
67:         }
68:         require dirname(__FILE__) . '/templates/bar.phtml';
69:     }
70: 
71: }
72: