import {ArrowButtons} from 'guide4you/src/controls/ArrowButtons.js'

public class | source

ArrowButtons

Extends:

Control → ArrowButtons

ArrowButtons shows Buttons on the map which let you move in all 4 directions and a button to return to the initial position of the map. It provides an Interface class with an produceOlControl returning an {ol.control.Control} - Object. This can be added as normal controls to the map (e.g. map.addControl(arrowButtons.produceOlControl) ).

The Options are passed as an Object (e.g. { initCenter : map.getView().getCenter(), initZoom : map.getView().getZoom() }.

Constructor Summary

Public Constructor
public	constructor(options: ArrowButtonOptions)

Member Summary

Public Members
public	labels_: *
public	pixelDelta_: *

Private Members
private	animated_: boolean
private	animationDuration_: number
private	directions_: string[]
private	initExtent_: ol.Extent \| undefined
private	vectors_: {left: number[], up: number[], right: number[], down: number[]}

Method Summary

Public Methods
public	setMap(map: G4UMap)

Private Methods
private	onClick_(direction: string) This method is called when a button is clicked and makes a move on the map corresponding to the direction.

Public Constructors

public constructor(options: ArrowButtonOptions) source

Params:

Name	Type	Attribute	Description
options	ArrowButtonOptions	optional default: {}

Public Members

public labels_: * source

public pixelDelta_: * source

Private Members

private animated_: boolean source

private animationDuration_: number source

private directions_: string[] source

private initExtent_: ol.Extent | undefined source

private vectors_: {left: number[], up: number[], right: number[], down: number[]} source

Public Methods

public setMap(map: G4UMap) source

Params:

Name	Type	Attribute	Description
map	G4UMap

Private Methods

private onClick_(direction: string) source

This method is called when a button is clicked and makes a move on the map corresponding to the direction.

Params:

Name	Type	Attribute	Description
direction	string