1: <?php
 2: 
 3: /**
 4:  * ProcessWire Notices
 5:  *
 6:  * Contains notices/messages used by the application to the user. 
 7:  * 
 8:  * ProcessWire 2.x 
 9:  * Copyright (C) 2010 by Ryan Cramer 
10:  * Licensed under GNU/GPL v2, see LICENSE.TXT
11:  * 
12:  * http://www.processwire.com
13:  * http://www.ryancramer.com
14:  *
15:  */
16: 
17: /**
18:  * Base class that holds a message, source class, and timestamp
19:  *
20:  */
21: abstract class Notice extends WireData {
22: 
23:     /**
24:      * Flag indicates the notice is for when debug mode is on only
25:      *
26:      */
27:     const debug = 2;
28:     const warning = 4; 
29: 
30:     public function __construct($text, $flags = 0) {
31:         $this->set('text', $text); 
32:         $this->set('class', ''); 
33:         $this->set('timestamp', time()); 
34:         $this->set('flags', $flags); 
35:     }
36: }
37: 
38: /**
39:  * A notice that's indicated to be informational
40:  *
41:  */
42: class NoticeMessage extends Notice { }
43: 
44: /**
45:  * A notice that's indicated to be an error
46:  *
47:  */
48: class NoticeError extends Notice { }
49: 
50: /**
51:  * A class to contain multiple Notice instances, whether messages or errors
52:  *
53:  */
54: class Notices extends WireArray {
55:     
56:     public function isValidItem($item) {
57:         return $item instanceof Notice; 
58:     }   
59: 
60:     public function makeBlankItem() {
61:         return new NoticeMessage(''); 
62:     }
63: 
64:     public function add($item) {
65:         if($item->flags & Notice::debug) {
66:             if(!$this->fuel('config')->debug) return $this;
67:         }
68:         return parent::add($item); 
69:     }
70: 
71:     public function hasErrors() {
72:         $numErrors = 0;
73:         foreach($this as $notice) {
74:             if($notice instanceof NoticeError) $numErrors++;
75:         }
76:         return $numErrors > 0;
77:     }
78: }
79: