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CEvent

Package system.base
Inheritance class CEvent » CComponent
Subclasses CErrorEvent, CExceptionEvent, CMissingTranslationEvent, CModelEvent, COutputEvent
Since 1.0
Version $Id: CComponent.php 1465 2009-10-17 11:06:11Z qiang.xue $
CEvent is the base class for all event classes.

It encapsulates the parameters associated with an event. The sender property describes who raises the event. And the handled property indicates if the event is handled. If an event handler sets handled to true, those handlers that are not invoked yet will not be invoked anymore.

Public Properties

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PropertyTypeDescriptionDefined By
handled boolean whether the event is handled. CEvent
sender object the sender of this event CEvent

Public Methods

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MethodDescriptionDefined By
__call() Calls the named method which is not a class method. CComponent
__construct() Constructor. CEvent
__get() Returns a property value, an event handler list or a behavior based on its name. CComponent
__isset() Checks if a property value is null. CComponent
__set() Sets value of a component property. CComponent
__unset() Sets a component property to be null. CComponent
asa() Returns the named behavior object. CComponent
attachBehavior() Attaches a behavior to this component. CComponent
attachBehaviors() Attaches a list of behaviors to the component. CComponent
attachEventHandler() Attaches an event handler to an event. CComponent
canGetProperty() Determines whether a property can be read. CComponent
canSetProperty() Determines whether a property can be set. CComponent
detachBehavior() Detaches a behavior from the component. CComponent
detachBehaviors() Detaches all behaviors from the component. CComponent
detachEventHandler() Detaches an existing event handler. CComponent
disableBehavior() Disables an attached behavior. CComponent
disableBehaviors() Disables all behaviors attached to this component. CComponent
enableBehavior() Enables an attached behavior. CComponent
enableBehaviors() Enables all behaviors attached to this component. CComponent
getEventHandlers() Returns the list of attached event handlers for an event. CComponent
hasEvent() Determines whether an event is defined. CComponent
hasEventHandler() Checks whether the named event has attached handlers. CComponent
hasProperty() Determines whether a property is defined. CComponent
raiseEvent() Raises an event. CComponent

Property Details

handled property
public boolean $handled;

whether the event is handled. Defaults to false. When a handler sets this true, the rest uninvoked handlers will not be invoked anymore.

sender property
public object $sender;

the sender of this event

Method Details

__construct() method
public void __construct(mixed $sender=NULL)
$sender mixed sender of the event

Constructor.

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