Class zwt.event.EventManager

Extends zwt.Object.

This is the base class of all event manager. An event manager is used by an object to process events and dispatch them to the appropriate handlers.

Handlers are methods previously registered on the event manager to handle a specific type of event. A typical handler method has two input parameters: the object that triggered the event and the event.

Defined in: EventManager.js.

Class Summary
Constructor Attributes	Constructor Name and Description
	zwt.event.EventManager(zwt_Object_object) Construct an event manager and attach it to the specified object.

Method Summary
Method Attributes	Method Name and Description
	addHandler(int_eventType, function_handler) Add the specified handler function to the event manager associated to the specify event type.
	addHandlers(object_handlers) Add the specified handlers to the event manager.
	onEvent(zwt_event_Event_event, zwt_Object_overrideObject, object_arg) Dispatch the specified event to the appropriate handlers based on its type.
	removeHandler(int_eventType, function_handler) Remove the specified handler function from the event manager.
	removeHandlers(object_handlers) Remove the specified handlers from the event manager.

Class Detail

zwt.event.EventManager(zwt_Object_object)

Construct an event manager and attach it to the specified object.
Author: Jeremy KUHN.

Parameters:
{zwt.Object} zwt_Object_object: The object to monitor

See:: zwt.event.Event; zwt.event.UIEventManager

Method Detail

addHandler(int_eventType, function_handler)

Add the specified handler function to the event manager associated to the specify event type.

Parameters:
{Integer} int_eventType: The event type
{Function} function_handler: The handler to add

addHandlers(object_handlers)

Add the specified handlers to the event manager.

Parameters:
{Object} object_handlers: A map containing handler functions to add with event types as property names

onEvent(zwt_event_Event_event, zwt_Object_overrideObject, object_arg)

Dispatch the specified event to the appropriate handlers based on its type.

Parameters:
{zwt.event.Event} zwt_event_Event_event: The event to dispatch
{zwt.Object} zwt_Object_overrideObject: If set it overrides the object passed to the handlers which is the object managed by the event manager by default
{zwt.Object} object_arg: An optional object to pass to the handler method

removeHandler(int_eventType, function_handler)

Remove the specified handler function from the event manager.

Parameters:
{Integer} int_eventType: The event type
{Function} function_handler: The handler to add

removeHandlers(object_handlers)

Remove the specified handlers from the event manager.

Parameters:
{Object} object_handlers: A map containing handler functions to add with event types as property names

Classes

Class zwt.event.EventManager