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-rw-r--r--include/common.inc.php3
-rw-r--r--include/config_default.inc.php2
-rw-r--r--include/functions.inc.php1
-rw-r--r--include/functions_plugins.inc.php155
-rw-r--r--include/page_header.php29
5 files changed, 176 insertions, 14 deletions
diff --git a/include/common.inc.php b/include/common.inc.php
index d0376afe8..e77d41f89 100644
--- a/include/common.inc.php
+++ b/include/common.inc.php
@@ -158,6 +158,8 @@ if ($user['is_the_guest'])
// template instance
$template = new Template(PHPWG_ROOT_PATH.'template/'.$user['template'], $user['theme'] );
+load_plugins();
+
if ($conf['gallery_locked'])
{
$header_msgs[] = $lang['gallery_locked_message'];
@@ -191,6 +193,7 @@ if ($conf['check_upgrade_feed']
and defined('PHPWG_IN_UPGRADE')
and PHPWG_IN_UPGRADE)
{
+
// retrieve already applied upgrades
$query = '
SELECT id
diff --git a/include/config_default.inc.php b/include/config_default.inc.php
index c4426d711..b70b24e21 100644
--- a/include/config_default.inc.php
+++ b/include/config_default.inc.php
@@ -521,4 +521,6 @@ $conf['email_admin_on_new_user']=false;
// stored on user informations
//$conf['default_admin_layout']='yoga/dark';
+
+$conf['disable_plugins']=false;
?>
diff --git a/include/functions.inc.php b/include/functions.inc.php
index 2e7a47b4b..3b7c88bc6 100644
--- a/include/functions.inc.php
+++ b/include/functions.inc.php
@@ -33,6 +33,7 @@ include_once( PHPWG_ROOT_PATH .'include/functions_group.inc.php' );
include_once( PHPWG_ROOT_PATH .'include/functions_html.inc.php' );
include_once( PHPWG_ROOT_PATH .'include/functions_tag.inc.php' );
include_once( PHPWG_ROOT_PATH .'include/functions_url.inc.php' );
+include_once( PHPWG_ROOT_PATH .'include/functions_plugins.inc.php' );
//----------------------------------------------------------- generic functions
diff --git a/include/functions_plugins.inc.php b/include/functions_plugins.inc.php
new file mode 100644
index 000000000..23b6df5cd
--- /dev/null
+++ b/include/functions_plugins.inc.php
@@ -0,0 +1,155 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery |
+// | Copyright (C) 2003-2006 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch : BSF (Best So Far)
+// | file : $Id$
+// | last update : $Date$
+// | last modifier : $Author$
+// | revision : $Revision$
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify |
+// | it under the terms of the GNU General Public License as published by |
+// | the Free Software Foundation |
+// | |
+// | This program is distributed in the hope that it will be useful, but |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+// | General Public License for more details. |
+// | |
+// | You should have received a copy of the GNU General Public License |
+// | along with this program; if not, write to the Free Software |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA. |
+// +-----------------------------------------------------------------------+
+
+/*
+Events and event handlers are the core of PhpWebGallery plugin management.
+Plugins are addons that are found in plugins subdirectory. If activated, PWG
+will include the index.php of each plugin.
+Events are triggered by PWG core code. Plugins (or even PWG itself) can
+register their functions to handle these events. An event is identified by a
+string.
+*/
+
+define('PHPWG_PLUGINS_PATH',PHPWG_ROOT_PATH.'plugins/');
+
+/* Register a event handler.
+ * @param string $event the name of the event to listen to
+ * @param mixed $func the function that will handle the event
+*/
+function add_event_handler($event, $func, $priority=50, $accepted_args=1)
+{
+ global $pwg_event_handlers;
+
+ if ( isset($pwg_event_handlers[$event]["$priority"]) )
+ {
+ foreach($pwg_event_handlers[$event]["$priority"] as $handler)
+ {
+ if ( $handler['function'] == $func )
+ {
+ return true;
+ }
+ }
+ }
+
+ trigger_event('add_event_handler',
+ array('event'=>$event, 'function'=>$func)
+ );
+
+ $pwg_event_handlers[$event]["$priority"][] =
+ array(
+ 'function'=>$func,
+ 'accepted_args'=>$accepted_args);
+
+ return true;
+}
+
+
+function trigger_event($event, $data=null)
+{
+ global $pwg_event_handlers;
+ if ($event!='pre_trigger_event' and $event!='post_trigger_event')
+ {// special case
+ trigger_event('pre_trigger_event',
+ array('event'=>$event, 'data'=>$data) );
+ if ( !isset($pwg_event_handlers[$event]) )
+ {
+ trigger_event('post_trigger_event',
+ array('event'=>$event, 'data'=>$data) );
+ }
+ }
+
+ if ( !isset($pwg_event_handlers[$event]) )
+ {
+ return $data;
+ }
+ $args = array_slice(func_get_args(), 2);
+
+ foreach ($pwg_event_handlers[$event] as $priority => $handlers)
+ {
+ if ( !is_null($handlers) )
+ {
+ foreach($handlers as $handler)
+ {
+ $all_args = array_merge( array($data), $args);
+ $function_name = $handler['function'];
+ $accepted_args = $handler['accepted_args'];
+
+ if ( $accepted_args == 1 )
+ $the_args = array($data);
+ elseif ( $accepted_args > 1 )
+ $the_args = array_slice($all_args, 0, $accepted_args);
+ elseif ( $accepted_args == 0 )
+ $the_args = NULL;
+ else
+ $the_args = $all_args;
+
+ $data = call_user_func_array($function_name, $the_args);
+ }
+ }
+ }
+
+ if ($event!='pre_trigger_event' and $event!='post_trigger_event')
+ {
+ trigger_event('post_trigger_event',
+ array('event'=>$event, 'data'=>$data) );
+ }
+
+ return $data;
+}
+
+
+
+
+
+function get_active_plugins($runtime = true)
+{
+ global $conf;
+ if ($conf['disable_plugins'] and $runtime)
+ {
+ return array();
+ }
+ if (empty($conf['active_plugins']))
+ {
+ return array();
+ }
+ return explode(',', $conf['active_plugins']);
+
+}
+
+
+function load_plugins()
+{
+ $plugins = get_active_plugins();
+ foreach( $plugins as $plugin)
+ {
+ if (!empty($plugin))
+ {
+ include_once( PHPWG_PLUGINS_PATH.$plugin.'/index.php' );
+ }
+ }
+ trigger_event('plugins_loaded');
+}
+?> \ No newline at end of file
diff --git a/include/page_header.php b/include/page_header.php
index a729e0ebc..af571ab19 100644
--- a/include/page_header.php
+++ b/include/page_header.php
@@ -37,8 +37,9 @@ $template->assign_vars(
$page['gallery_title'] : $conf['gallery_title'],
'PAGE_BANNER' =>
- isset($page['page_banner']) ?
- $page['page_banner'] : $conf['page_banner'],
+ trigger_event('page_banner',
+ isset($page['page_banner']) ?
+ $page['page_banner'] : $conf['page_banner'] ),
'BODY_ID' =>
isset($page['body_id']) ?
@@ -49,22 +50,22 @@ $template->assign_vars(
'LANG'=>$lang_info['code'],
'DIR'=>$lang_info['direction'],
- 'TAG_INPUT_ENABLED' =>
+ 'TAG_INPUT_ENABLED' =>
((is_adviser()) ? 'disabled onclick="return false;"' : '')
));
-// refresh
-if ( isset( $refresh ) and intval($refresh) >= 0
+// refresh
+if ( isset( $refresh ) and intval($refresh) >= 0
and isset( $url_link ) and isset( $redirect_msg ) )
-{
- $template->assign_vars(
- array(
- 'U_REDIRECT_MSG' => $redirect_msg,
- 'REFRESH_TIME' => $refresh,
- 'U_REFRESH' => $url_link
- ));
- $template->assign_block_vars('refresh', array());
-}
+{
+ $template->assign_vars(
+ array(
+ 'U_REDIRECT_MSG' => $redirect_msg,
+ 'REFRESH_TIME' => $refresh,
+ 'U_REFRESH' => $url_link
+ ));
+ $template->assign_block_vars('refresh', array());
+}
header('Content-Type: text/html; charset='.$lang_info['charset']);
$template->parse('header');
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 08:12:24 +0000