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mxEventSource.php
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61 lines (54 loc) · 1.12 KB
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<?php
/**
* Copyright (c) 2006-2013, Gaudenz Alder
*/
class mxEventSource
{
/**
* Class: mxEventSource
*
* Base class for all event sources.
*
* Variable: eventListeners
*
* Holds the registered listeners.
*/
var $eventListeners;
/**
* Function: addListener
*
* Adds a listener for the given event name. Note that the method of the
* listener object must have the same name as the event it's being added
* for. This is different from other language implementations of this
* class.
*/
function addListener($name, $listener)
{
if ($this->eventListeners == null)
{
$this->eventListeners = array();
}
array_push($this->eventListeners, $name);
array_push($this->eventListeners, $listener);
}
/**
* Function: fireEvent
*
* Fires the event for the specified name.
*/
function fireEvent($event)
{
if ($this->eventListeners != null)
{
$name = $event->getName();
for ($i = 0; $i < sizeof($this->eventListeners); $i += 2)
{
if ($this->eventListeners[$i] == $name)
{
$this->eventListeners[$i+1]->$name($event);
}
}
}
}
}
?>