diff options
Diffstat (limited to 'include/functions_plugins.inc.php')
| -rw-r--r-- | include/functions_plugins.inc.php | 82 |
1 files changed, 50 insertions, 32 deletions
diff --git a/include/functions_plugins.inc.php b/include/functions_plugins.inc.php index b1f4645d0..273a5e0c4 100644 --- a/include/functions_plugins.inc.php +++ b/include/functions_plugins.inc.php @@ -172,28 +172,31 @@ UPDATE '. THEMES_TABLE .' * @param string $event the name of the event to listen to * @param Callable $func the callback function * @param int $priority greater priority will be executed at last + * @param string $include_path file to include before executing the callback + * @return bool false is handler already exists */ function add_event_handler($event, $func, - $priority=EVENT_HANDLER_PRIORITY_NEUTRAL, $accepted_args=1) + $priority=EVENT_HANDLER_PRIORITY_NEUTRAL, $include_path=null) { global $pwg_event_handlers; - if ( isset($pwg_event_handlers[$event][$priority]) ) + if (isset($pwg_event_handlers[$event][$priority])) { - foreach($pwg_event_handlers[$event][$priority] as $handler) + foreach ($pwg_event_handlers[$event][$priority] as $handler) { - if ( $handler['function'] == $func ) + if ($handler['function'] == $func) { return false; } } } - $pwg_event_handlers[$event][$priority][] = - array( - 'function'=>$func, - 'accepted_args'=>$accepted_args); - ksort( $pwg_event_handlers[$event] ); + $pwg_event_handlers[$event][$priority][] = array( + 'function' => $func, + 'include_path' => is_string($include_path) ? $include_path : null, + ); + + ksort($pwg_event_handlers[$event]); return true; } @@ -210,7 +213,7 @@ function remove_event_handler($event, $func, { global $pwg_event_handlers; - if (!isset( $pwg_event_handlers[$event][$priority] ) ) + if (!isset($pwg_event_handlers[$event][$priority])) { return false; } @@ -222,12 +225,12 @@ function remove_event_handler($event, $func, $pwg_event_handlers[$event][$priority] = array_values($pwg_event_handlers[$event][$priority]); - if ( empty($pwg_event_handlers[$event][$priority]) ) + if (empty($pwg_event_handlers[$event][$priority])) { - unset( $pwg_event_handlers[$event][$priority] ); - if (empty( $pwg_event_handlers[$event] ) ) + unset($pwg_event_handlers[$event][$priority]); + if (empty($pwg_event_handlers[$event])) { - unset( $pwg_event_handlers[$event] ); + unset($pwg_event_handlers[$event]); } } return true; @@ -264,13 +267,14 @@ function trigger_event($event, $data=null) { global $pwg_event_handlers; - if ( isset($pwg_event_handlers['trigger']) ) - {// just for debugging + if (isset($pwg_event_handlers['trigger'])) + {// debugging trigger_action('trigger', - array('type'=>'event', 'event'=>$event, 'data'=>$data) ); + array('type'=>'event', 'event'=>$event, 'data'=>$data) + ); } - if ( !isset($pwg_event_handlers[$event]) ) + if (!isset($pwg_event_handlers[$event])) { return $data; } @@ -278,16 +282,26 @@ function trigger_event($event, $data=null) foreach ($pwg_event_handlers[$event] as $priority => $handlers) { - foreach($handlers as $handler) + foreach ($handlers as $handler) { - $function_name = $handler['function']; - $accepted_args = $handler['accepted_args']; $args[1] = $data; - $data = call_user_func_array($function_name, array_slice($args,1,$accepted_args) ); + + if (!empty($handler['include_path'])) + { + include_once($handler['include_path']); + } + + $data = call_user_func_array($handler['function'], array_slice($args, 1)); } } - trigger_action('trigger', - array('type'=>'post_event', 'event'=>$event, 'data'=>$data) ); + + if (isset($pwg_event_handlers['trigger'])) + {// debugging + trigger_action('trigger', + array('type'=>'post_event', 'event'=>$event, 'data'=>$data) + ); + } + return $data; } @@ -314,13 +328,15 @@ function trigger_notify($event) function trigger_action($event) { global $pwg_event_handlers; - if ( isset($pwg_event_handlers['trigger']) and $event!='trigger' ) - {// special case for debugging - avoid recursive calls + + if (isset($pwg_event_handlers['trigger']) and $event!='trigger') + {// debugging - avoid recursive calls trigger_action('trigger', - array('type'=>'action', 'event'=>$event, 'data'=>null) ); + array('type'=>'action', 'event'=>$event, 'data'=>null) + ); } - if ( !isset($pwg_event_handlers[$event]) ) + if (!isset($pwg_event_handlers[$event])) { return; } @@ -328,12 +344,14 @@ function trigger_action($event) foreach ($pwg_event_handlers[$event] as $priority => $handlers) { - foreach($handlers as $handler) + foreach ($handlers as $handler) { - $function_name = $handler['function']; - $accepted_args = $handler['accepted_args']; + if (!empty($handler['include_path'])) + { + include_once($handler['include_path']); + } - call_user_func_array($function_name, array_slice($args,1,$accepted_args) ); + call_user_func_array($handler['function'], array_slice($args,1)); } } } |