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event handler improvement - better handling, now possible registration/triggering of array [class_name, class_method]

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secretr
2009-09-19 15:23:49 +00:00
parent a0c9a66cae
commit 3a75d737d7
1 changed files with 59 additions and 12 deletions
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71
e107_handlers/event_class.php
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@@ -11,9 +11,9 @@
| GNU General Public License (http://gnu.org). | GNU General Public License (http://gnu.org).
| |
| $Source: /cvs_backup/e107_0.8/e107_handlers/event_class.php,v $ | $Source: /cvs_backup/e107_0.8/e107_handlers/event_class.php,v $
| $Revision: 1.7 $ | $Revision: 1.8 $
| $Date: 2009-09-17 00:13:39 $ | $Date: 2009-09-19 15:23:49 $
| $Author: e107coders $ | $Author: secretr $
+----------------------------------------------------------------------------+ +----------------------------------------------------------------------------+
*/ */
@@ -24,18 +24,38 @@ class e107_event
var $functions = array(); var $functions = array();
var $includes = array(); var $includes = array();
/**
* Register event
*
* @param string $eventname
* @param array|string $function [class_name, method_name] or function name
* @param string $include [optional] include path
* @return void
*/
function register($eventname, $function, $include='') function register($eventname, $function, $include='')
{ {
if ($include!='') $this->includes[$eventname] = array();
if(!isset($this->functions[$eventname]) || !in_array($function, $this->functions[$eventname]))
{ {
$this->includes[$eventname][] = $include; if (!empty($include))
{
$this->includes[$eventname][] = $include;
}
$this->functions[$eventname][] = $function;
} }
$this->functions[$eventname][] = $function;
} }
/**
* Trigger event
* TODO - admin log for failed callback attempts?
*
* @param string $eventname
* @param mixed $data
* @return mixed
*/
function trigger($eventname, &$data) function trigger($eventname, &$data)
{ {
if (isset($this -> includes[$eventname])) /*if (isset($this->includes[$eventname]))
{ {
foreach($this->includes[$eventname] as $evt_inc) foreach($this->includes[$eventname] as $evt_inc)
{ {
@@ -44,19 +64,46 @@ class e107_event
include_once($evt_inc); include_once($evt_inc);
} }
} }
} }*/
if (isset($this -> functions[$eventname])) if (isset($this->functions[$eventname]))
{ {
foreach($this->functions[$eventname] as $evt_func) foreach($this->functions[$eventname] as $i => $evt_func)
{ {
$location = '';
if(isset($this->includes[$eventname][$i])) //no checks
{
$location = $this->includes[$eventname][$i];
e107_include_once($location);
unset($this->includes[$eventname][$i]);
}
if(is_array($evt_func)) //class, method
{
try
{
$class = $evt_func[0];
$method = $evt_func[1];
$tmp = new $class($eventname);
$ret = $tmp->{$method}($data, $eventname); //let callback know what event is calling it
unset($tmp);
if (!empty($ret))
{
break;
}
}
catch(Exception $e)
{
//TODO log errors $eventname, $location, $class, $method
}
}
if (function_exists($evt_func)) if (function_exists($evt_func))
{ {
$ret = $evt_func($data); $ret = $evt_func($data, $eventname); //let callback know what event is calling it
if ($ret!='') if (!empty($ret))
{ {
break; break;
} }
} }
//TODO log errors $eventname, $location, $evt_func
} }
} }
return (isset($ret) ? $ret : false); return (isset($ret) ? $ret : false);