1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* **************************************************************************** |
4
|
|
|
* references - MODULE FOR XOOPS |
5
|
|
|
* Copyright (c) Hervé Thouzard of Instant Zero (http://www.instant-zero.com) |
6
|
|
|
* |
7
|
|
|
* You may not change or alter any portion of this comment or credits |
8
|
|
|
* of supporting developers from this source code or any supporting source code |
9
|
|
|
* which is considered copyrighted (c) material of the original comment or credit authors. |
10
|
|
|
* This program is distributed in the hope that it will be useful, |
11
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
12
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
13
|
|
|
* |
14
|
|
|
* @copyright Hervé Thouzard of Instant Zero (http://www.instant-zero.com) |
15
|
|
|
* @license http://www.fsf.org/copyleft/gpl.html GNU public license |
16
|
|
|
* @package references |
17
|
|
|
* @author Hervé Thouzard of Instant Zero (http://www.instant-zero.com) |
18
|
|
|
* |
19
|
|
|
* **************************************************************************** |
20
|
|
|
*/ |
21
|
|
|
|
22
|
|
|
/** |
23
|
|
|
* Gestion des plugins du module |
24
|
|
|
* |
25
|
|
|
*/ |
26
|
|
|
class references_plugins |
27
|
|
|
{ |
28
|
|
|
/** |
29
|
|
|
* Dictionnaire des évènements |
30
|
|
|
*/ |
31
|
|
|
const EVENT_ON_REFERENCE_CREATE = 'onReferenceCreate'; |
32
|
|
|
const EVENT_ON_CATEGORY_CREATE = 'onCategoryCreate'; |
33
|
|
|
|
34
|
|
|
// Pour limiter les dépendances |
35
|
|
|
const MODULE_DIRNAME = REFERENCES_DIRNAME; |
36
|
|
|
|
37
|
|
|
/** |
38
|
|
|
* Types d'évènements |
39
|
|
|
*/ |
40
|
|
|
const PLUGIN_ACTION = 0; |
41
|
|
|
const PLUGIN_FILTER = 1; |
42
|
|
|
|
43
|
|
|
/** |
44
|
|
|
* Nom du script Php inclut qui contient l'inscription des plugins |
45
|
|
|
*/ |
46
|
|
|
const PLUGIN_SCRIPT_NAME = 'plugins.php'; |
47
|
|
|
|
48
|
|
|
/** |
49
|
|
|
* Dans le fichier Php qui contient l'inscription des plugins, méthode à appeler pour récupérer la liste des plugins |
50
|
|
|
*/ |
51
|
|
|
const PLUGIN_DESCRIBE_METHOD = 'registerEvents'; |
52
|
|
|
|
53
|
|
|
/** |
54
|
|
|
* Nom de la variable de session qui contient la liste des plugins détachés |
55
|
|
|
*/ |
56
|
|
|
const PLUGIN_UNPLUG_SESSION_NAME = 'references_plugins'; |
57
|
|
|
|
58
|
|
|
/** |
59
|
|
|
* Priorités des plugins |
60
|
|
|
* @var constant |
61
|
|
|
*/ |
62
|
|
|
const EVENT_PRIORITY_1 = 1; // Priorité la plus haute |
63
|
|
|
const EVENT_PRIORITY_2 = 2; |
64
|
|
|
const EVENT_PRIORITY_3 = 3; |
65
|
|
|
const EVENT_PRIORITY_4 = 4; |
66
|
|
|
const EVENT_PRIORITY_5 = 5; // Priorité la plus basse |
67
|
|
|
|
68
|
|
|
/** |
69
|
|
|
* Utilisé pour construire le nom de la classe |
70
|
|
|
*/ |
71
|
|
|
private $pluginsTypeLabel = array(self::PLUGIN_ACTION => 'Action', self::PLUGIN_FILTER => 'Filter'); |
72
|
|
|
|
73
|
|
|
/** |
74
|
|
|
* Nom des classes qu'il faut étendre en tant que plugin |
75
|
|
|
*/ |
76
|
|
|
private $pluginsClassName = array(self::PLUGIN_ACTION => 'references_action', self::PLUGIN_FILTER => 'references_filter'); |
77
|
|
|
|
78
|
|
|
/** |
79
|
|
|
* Nom de chacun des dossiers en fonction du type de plugin |
80
|
|
|
*/ |
81
|
|
|
private $pluginsTypesFolder = array(self::PLUGIN_ACTION => 'actions', self::PLUGIN_FILTER => 'filters'); |
82
|
|
|
|
83
|
|
|
/** |
84
|
|
|
* Contient l'unique instance de l'objet |
85
|
|
|
* @var object |
86
|
|
|
*/ |
87
|
|
|
private static $instance = false; |
88
|
|
|
|
89
|
|
|
/** |
90
|
|
|
* Liste des évènements |
91
|
|
|
* @var array |
92
|
|
|
*/ |
93
|
|
|
private static $events = array(); |
94
|
|
|
|
95
|
|
|
/** |
96
|
|
|
* Retourne l'instance unique de la classe |
97
|
|
|
* |
98
|
|
|
* @return object |
99
|
|
|
*/ |
100
|
|
|
public static function getInstance() |
101
|
|
|
{ |
102
|
|
|
static $instance; |
103
|
|
|
if (null === $instance) { |
104
|
|
|
$instance = new static(); |
105
|
|
|
} |
106
|
|
|
|
107
|
|
|
return $instance; |
108
|
|
|
} |
109
|
|
|
|
110
|
|
|
/** |
111
|
|
|
* Chargement des 2 types de plugins |
112
|
|
|
* |
113
|
|
|
*/ |
114
|
|
|
private function __construct() |
115
|
|
|
{ |
116
|
|
|
$this->events = array(); |
117
|
|
|
$this->loadPlugins(); |
118
|
|
|
} |
119
|
|
|
|
120
|
|
|
/** |
121
|
|
|
* Chargement des plugins (actions et filtres) |
122
|
|
|
* @return void |
123
|
|
|
*/ |
124
|
|
|
public function loadPlugins() |
125
|
|
|
{ |
126
|
|
|
$this->loadPluginsFiles(REFERENCES_PLUGINS_PATH . $this->pluginsTypesFolder[self::PLUGIN_ACTION], self::PLUGIN_ACTION); |
127
|
|
|
$this->loadPluginsFiles(REFERENCES_PLUGINS_PATH . $this->pluginsTypesFolder[self::PLUGIN_FILTER], self::PLUGIN_FILTER); |
128
|
|
|
} |
129
|
|
|
|
130
|
|
|
/** |
131
|
|
|
* Vérifie que le fichier Php passé en paramètre contient bien une classe de filtre ou d'action et si c'est le cas, le charge dans la liste des plugins |
132
|
|
|
* @param string $fullPathName Chemin complet vers le fichier (répertoire + nom) |
133
|
|
|
* @param integer $type Type de plugin recherché (action ou filtre) |
134
|
|
|
* @param string $pluginFolder Le nom du répertoire dans lequel se trouve le fichier (le "dernier nom") |
135
|
|
|
* @return void |
136
|
|
|
*/ |
137
|
|
|
private function loadClass($fullPathName, $type, $pluginFolder) |
138
|
|
|
{ |
139
|
|
|
require_once $fullPathName; |
140
|
|
|
// Du style referencesRegionalizationFilter |
141
|
|
|
$className = self::MODULE_DIRNAME . ucfirst(strtolower($pluginFolder)) . $this->pluginsTypeLabel[$type]; |
142
|
|
|
if (class_exists($className) && get_parent_class($className) == $this->pluginsClassName[$type]) { |
143
|
|
|
// TODO: Vérifier que l'évènement n'est pas déjà en mémoire |
144
|
|
|
$events = call_user_func(array($className, self::PLUGIN_DESCRIBE_METHOD)); |
145
|
|
|
foreach ($events as $event) { |
146
|
|
|
$eventName = $event[0]; |
147
|
|
|
$eventPriority = $event[1]; |
148
|
|
|
$fileToInclude = REFERENCES_PLUGINS_PATH . $this->pluginsTypesFolder[$type] . DIRECTORY_SEPARATOR . $pluginFolder . DIRECTORY_SEPARATOR . $event[2]; |
149
|
|
|
$classToCall = $event[3]; |
150
|
|
|
$methodToCall = $event[4]; |
151
|
|
|
$this->events[$type][$eventName][$eventPriority][] = array('fullPathName' => $fileToInclude, 'className' => $classToCall, 'method' => $methodToCall); |
152
|
|
|
} |
153
|
|
|
} |
154
|
|
|
} |
155
|
|
|
|
156
|
|
|
/** |
157
|
|
|
* Part à la recherche d'un type de plugin dans les répertoires |
158
|
|
|
* |
159
|
|
|
* @param string $path La racine |
160
|
|
|
* @param integer $type Le type de plugin recherché (action ou filtre) |
161
|
|
|
* @return void |
162
|
|
|
*/ |
163
|
|
|
private function loadPluginsFiles($path, $type) |
164
|
|
|
{ |
165
|
|
|
$objects = new DirectoryIterator($path); |
166
|
|
|
foreach ($objects as $object) { |
167
|
|
|
if ($object->isDir() && !$object->isDot()) { |
168
|
|
|
$file = $path . DIRECTORY_SEPARATOR . $object->current() . DIRECTORY_SEPARATOR . self::PLUGIN_SCRIPT_NAME; |
169
|
|
|
if (file_exists($file)) { |
170
|
|
|
$this->loadClass($file, $type, $object->current()); |
171
|
|
|
} |
172
|
|
|
} |
173
|
|
|
} |
174
|
|
|
} |
175
|
|
|
|
176
|
|
|
/** |
177
|
|
|
* Déclenchement d'une action et appel des plugins liés |
178
|
|
|
* |
179
|
|
|
* @param string $eventToFire L'action déclenchée |
180
|
|
|
* @param object|references_parameters $parameters Les paramètres à passer à chaque plugin |
|
|
|
|
181
|
|
|
* @return object L'objet lui même pour chaîner |
182
|
|
|
*/ |
183
|
|
|
public function fireAction($eventToFire, references_parameters $parameters = null) |
184
|
|
|
{ |
185
|
|
View Code Duplication |
if (!isset($this->events[self::PLUGIN_ACTION][$eventToFire])) { |
|
|
|
|
186
|
|
|
trigger_error(sprintf(_MD_REFERENCES_PLUGINS_ERROR_1, $eventToFire)); |
187
|
|
|
|
188
|
|
|
return $this; |
189
|
|
|
} |
190
|
|
|
ksort($this->events[self::PLUGIN_ACTION][$eventToFire]); // Tri par priorit� |
191
|
|
|
foreach ($this->events[self::PLUGIN_ACTION][$eventToFire] as $priority => $events) { |
192
|
|
|
foreach ($events as $event) { |
193
|
|
View Code Duplication |
if ($this->isUnplug(self::PLUGIN_ACTION, $eventToFire, $event['fullPathName'], $event['className'], $event['method'])) { |
|
|
|
|
194
|
|
|
continue; |
195
|
|
|
} |
196
|
|
|
require_once $event['fullPathName']; |
197
|
|
|
if (!class_exists($event['className'])) { |
198
|
|
|
$class = new $event['className']; |
199
|
|
|
} |
200
|
|
|
if (!method_exists($event['className'], $event['method'])) { |
201
|
|
|
continue; |
202
|
|
|
} |
203
|
|
|
call_user_func(array($event['className'], $event['method']), $parameters); |
204
|
|
|
unset($class); |
205
|
|
|
} |
206
|
|
|
} |
207
|
|
|
|
208
|
|
|
return $this; |
209
|
|
|
} |
210
|
|
|
|
211
|
|
|
/** |
212
|
|
|
* Déclenchement d'un filtre et appel des plugins liés |
213
|
|
|
* |
214
|
|
|
* @param string $eventToFire Le filtre appelé |
215
|
|
|
* @param object|references_parameters $parameters Les paramètres à passer à chaque plugin |
216
|
|
|
* @return object Le contenu de l'objet passé en paramètre |
|
|
|
|
217
|
|
|
*/ |
218
|
|
|
public function fireFilter($eventToFire, references_parameters $parameters) |
219
|
|
|
{ |
220
|
|
View Code Duplication |
if (!isset($this->events[self::PLUGIN_FILTER][$eventToFire])) { |
|
|
|
|
221
|
|
|
trigger_error(sprintf(_MD_REFERENCES_PLUGINS_ERROR_1, $eventToFire)); |
222
|
|
|
|
223
|
|
|
return $this; |
224
|
|
|
} |
225
|
|
|
ksort($this->events[self::PLUGIN_FILTER][$eventToFire]); // Tri par priorité |
226
|
|
|
foreach ($this->events[self::PLUGIN_FILTER][$eventToFire] as $priority => $events) { |
227
|
|
|
foreach ($events as $event) { |
228
|
|
View Code Duplication |
if ($this->isUnplug(self::PLUGIN_FILTER, $eventToFire, $event['fullPathName'], $event['className'], $event['method'])) { |
|
|
|
|
229
|
|
|
continue; |
230
|
|
|
} |
231
|
|
|
require_once $event['fullPathName']; |
232
|
|
|
if (!method_exists($event['className'], $event['method'])) { |
233
|
|
|
continue; |
234
|
|
|
} |
235
|
|
|
//if (!class_exists($event['className'])) { |
236
|
|
|
$class = new $event['className']; |
237
|
|
|
//} |
238
|
|
|
$class->$event['method']($parameters); |
239
|
|
|
//call_user_func(array($event['className'], $event['method']), $parameters); |
240
|
|
|
unset($class); |
241
|
|
|
} |
242
|
|
|
} |
243
|
|
|
|
244
|
|
|
if (!is_null($parameters)) { |
245
|
|
|
return $parameters; |
246
|
|
|
} |
247
|
|
|
} |
248
|
|
|
|
249
|
|
|
/** |
250
|
|
|
* Indique si un plugin s'est détaché d'un évènement particulier |
251
|
|
|
* |
252
|
|
|
* @param integer $eventType |
253
|
|
|
* @param string $eventToFire |
254
|
|
|
* @param string $fullPathName |
255
|
|
|
* @param string $className |
256
|
|
|
* @param string $method |
257
|
|
|
* @return boolean |
258
|
|
|
*/ |
259
|
|
|
public function isUnplug($eventType, $eventToFire, $fullPathName, $className, $method) |
260
|
|
|
{ |
261
|
|
|
$unplug = array(); |
|
|
|
|
262
|
|
|
if (isset($_SESSION[self::PLUGIN_UNPLUG_SESSION_NAME])) { |
263
|
|
|
$unplug = $_SESSION[self::PLUGIN_UNPLUG_SESSION_NAME]; |
264
|
|
|
} else { |
265
|
|
|
return false; |
266
|
|
|
} |
267
|
|
|
|
268
|
|
|
return isset($unplug[$eventType][$eventToFire][$fullPathName][$className][$method]); |
269
|
|
|
} |
270
|
|
|
|
271
|
|
|
/** |
272
|
|
|
* Permet à un plugin de se détacher d'un évènement |
273
|
|
|
* |
274
|
|
|
* @param integer $eventType |
275
|
|
|
* @param string $eventToFire |
276
|
|
|
* @param string $fullPathName |
277
|
|
|
* @param string $className |
278
|
|
|
* @param string $method |
279
|
|
|
* @return void |
280
|
|
|
*/ |
281
|
|
|
public function unplugFromEvent($eventType, $eventToFire, $fullPathName, $className, $method) |
282
|
|
|
{ |
283
|
|
|
$unplug = array(); |
284
|
|
|
if (isset($_SESSION[self::PLUGIN_UNPLUG_SESSION_NAME])) { |
285
|
|
|
$unplug = $_SESSION[self::PLUGIN_UNPLUG_SESSION_NAME]; |
286
|
|
|
} |
287
|
|
|
$unplug[$eventType][$eventToFire][$fullPathName][$className][$method] = true; |
288
|
|
|
$_SESSION[self::PLUGIN_UNPLUG_SESSION_NAME] = $unplug; |
289
|
|
|
} |
290
|
|
|
} |
291
|
|
|
|
This check looks for
@param
annotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.