Class SimpleEventDispatcher<T>

A simple event dispatcher with typed event types, see IEventDispatcher.

Type Parameters

T extends string

Hierarchy (View Summary)

SimpleEventDispatcher
- PointerDragHelper

Implements

IEventDispatcher<T>

Index

Constructors

Methods

addEventListener dispatchEvent hasEventListener removeEventListener

Constructors

constructor

new SimpleEventDispatcher<T extends string>(): SimpleEventDispatcher<T>
Type Parameters
- T extends string
Returns SimpleEventDispatcher<T>
- Defined in EventDispatcher.ts:48

Methods

addEventListener

addEventListener(type: T, listener: (event: IEvent<T>) => void): void
Adds a listener to an event type.
Parameters
- type: T
  The type of event to listen to.
- listener: (event: IEvent<T>) => void
  The function that gets called when the event is fired.
Returns void
Implementation of IEventDispatcher.addEventListener
- Defined in EventDispatcher.ts:57

dispatchEvent

dispatchEvent(event: IEvent<T>): void
Fire an event type.
Parameters
- event: IEvent<T>
  A simple event interface with typed event types.
  - [attachment: string]: any
  - Optionaltarget?: any
  - type: T
Returns void
Implementation of IEventDispatcher.dispatchEvent
- Defined in EventDispatcher.ts:83

hasEventListener

hasEventListener(type: T, listener: (event: IEvent<T>) => void): boolean
Checks if listener is added to an event type.
Parameters
- type: T
  The type of event to listen to.
- listener: (event: IEvent<T>) => void
  The function that gets called when the event is fired.
Returns boolean
Implementation of IEventDispatcher.hasEventListener
- Defined in EventDispatcher.ts:65

removeEventListener

removeEventListener(type: T, listener: (event: IEvent<T>) => void): void
Removes a listener from an event type.
Parameters
- type: T
  The type of the listener that gets removed.
- listener: (event: IEvent<T>) => void
  The listener function that gets removed.
Returns void
Implementation of IEventDispatcher.removeEventListener
- Defined in EventDispatcher.ts:72