/**
* Trigger an event.
* This function will call all registered event handlers for the event
*
* @param string $modulename The name of the module that is sending the event
* @param string $eventname The name of the event
* @param array $params The parameters associated with this event.
* @return void
*/
public static function SendEvent($modulename, $eventname, $params = array())
{
global $CMS_INSTALL_PAGE;
if (isset($CMS_INSTALL_PAGE)) {
return;
}
$gCms = cmsms();
$results = Events::ListEventHandlers($modulename, $eventname);
if ($results != false) {
foreach ($results as $row) {
if (isset($row['tag_name']) && $row['tag_name'] != '') {
debug_buffer('calling user tag ' . $row['tag_name'] . ' from event ' . $eventname);
$usertagops = $gCms->GetUserTagOperations();
$usertagops->CallUserTag($row['tag_name'], $params);
} else {
if (isset($row['module_name']) && $row['module_name'] != '') {
// here's a quick check to make sure that we're not calling the module
// DoEvent function for an event originated by the same module.
if ($row['module_name'] == $modulename) {
continue;
}
// and call the module event handler.
$obj =& CMSModule::GetModuleInstance($row['module_name']);
if ($obj) {
debug_buffer('calling module ' . $row['module_name'] . ' from event ' . $eventname);
$obj->DoEvent($modulename, $eventname, $params);
}
}
}
}
}
}
