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import Counter from 'ngl/src/utils/counter.js'

public class | source

Counter

Counter class for keeping track of counts

Constructor Summary

Public Constructor
public	constructor()

Member Summary

Public Members
public	count: Integer The `count`
public	signals

Method Summary

Public Methods
public	change(delta: Integer): undefined Change the `count`
public	clear(): undefined Set the `count` to zero
public	decrement(): undefined Decrements the `count` by one.
public	dispose()
public	increment(): undefined Increments the `count` by one.
public	listen(counter: Counter): undefined Listen to another counter object and change this `count` by the same amount
public	onZeroOnce(callback: Function, context: Object): undefined Invole the callback function once, when the `count` becomes zero
public	unlisten(counter: Counter): undefined Stop listening to the other counter object

Public Constructors

public constructor() source

Public Members

public count: Integer source

The count

public signals source

Public Methods

public change(delta: Integer): undefined source

Change the count

Params:

Name	Type	Attribute	Description
delta	Integer		count change

Return:

public clear(): undefined source

Set the count to zero

Return:

public decrement(): undefined source

Decrements the count by one.

Return:

public dispose() source

public increment(): undefined source

Increments the count by one.

Return:

public listen(counter: Counter): undefined source

Listen to another counter object and change this count by the same amount

Params:

Name	Type	Attribute	Description
counter	Counter		the counter object to listen to

Return:

public onZeroOnce(callback: Function, context: Object): undefined source

Invole the callback function once, when the count becomes zero

Params:

Name	Type	Attribute	Description
callback	Function		the callback function
context	Object		the context for the callback function

Return:

public unlisten(counter: Counter): undefined source

Stop listening to the other counter object

Params:

Name	Type	Attribute	Description
counter	Counter		the counter object to stop listening to

Return: