ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
class.ilAppEventHandler.php
Go to the documentation of this file.
1<?php
2/*
3 +-----------------------------------------------------------------------------+
4 | ILIAS open source |
5 +-----------------------------------------------------------------------------+
6 | Copyright (c) 1998-2006 ILIAS open source, University of Cologne |
7 | |
8 | This program is free software; you can redistribute it and/or |
9 | modify it under the terms of the GNU General Public License |
10 | as published by the Free Software Foundation; either version 2 |
11 | of the License, or (at your option) any later version. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
21 +-----------------------------------------------------------------------------+
22*/
23
57{
58 protected $listener; // [array]
59
63 public function __construct()
64 {
65 $this->initListeners();
66 }
67
68 protected function initListeners()
69 {
70 require_once('./Services/GlobalCache/classes/class.ilGlobalCache.php');
72 $cached_listeners = $ilGlobalCache->get('listeners');
73 if (is_array($cached_listeners)) {
74 $this->listener = $cached_listeners;
75
76 return;
77 }
78
79 global $ilDB;
80
81 $this->listener = array();
82
83 $sql = "SELECT * FROM il_event_handling".
84 " WHERE type = ".$ilDB->quote("listen", "text");
85 $res = $ilDB->query($sql);
86 while($row = $ilDB->fetchAssoc($res))
87 {
88 $this->listener[$row["id"]][] = $row["component"];
89 }
90
91 $ilGlobalCache->set('listeners', $this->listener);
92 }
93
94
95
103 function raise($a_component, $a_event, $a_parameter = "")
104 {
105 if (is_array($this->listener[$a_component]))
106 {
107 foreach ($this->listener[$a_component] as $listener)
108 {
109 // Allow listeners like Services/WebServices/ECS
110 $last_slash = strripos($listener,'/');
111 $comp = substr($listener,0,$last_slash);
112 $class = 'il'.substr($listener,$last_slash + 1).'AppEventListener';
113 $file = "./".$listener."/classes/class.".$class.".php";
114
115 // detemine class and file
116 #$comp = explode("/", $listener);
117 #$class = "il".$comp[1]."AppEventListener";
118 #$file = "./".$listener."/classes/class.".$class.".php";
119
120 // if file exists, call listener
121 if (is_file($file))
122 {
123 include_once($file);
124 call_user_func(array($class, 'handleEvent'), $a_component, $a_event, $a_parameter);
125 }
126 }
127 }
128
129 // get all event hook plugins and forward the event to them
130 include_once("./Services/Component/classes/class.ilPluginAdmin.php");
131 $plugins = ilPluginAdmin::getActivePluginsForSlot("Services", "EventHandling", "evhk");
132 foreach ($plugins as $pl)
133 {
134 $plugin = ilPluginAdmin::getPluginObject("Services", "EventHandling",
135 "evhk", $pl);
136 $plugin->handleEvent($a_component, $a_event, $a_parameter);
137 }
138
139 }
140}
141?>
print $file
Global event handler.
static getInstance($component)
static getPluginObject($a_ctype, $a_cname, $a_slot_id, $a_pname)
Get Plugin Object.
getActivePluginsForSlot($a_ctype, $a_cname, $a_slot_id)
Get all active plugins for a slot.
global $ilDB