File

widgets/implementations/datapoints-table/datapoints-table-view/virtual-scroll-listener.directive.ts

Description

Directive to listen for scroll events on a virtual scroll container. Emits scrolled and scrolledToTop events.

The directive listens for scroll events on a virtual scroll container.

• When the container is scrolled by at least 50 pixels (or a custom threshold), the scrolled event is emitted.
• When the container is scrolled to the top, the scrolledToTop event is emitted.

Implements

AfterViewInit OnDestroy

Metadata

Selector	[c8yVirtualScrollListener]
Standalone	true

Index

Methods

ngAfterViewInit ngOnDestroy

Inputs

scrollThreshold

Outputs

scrolled scrolledToTop

Constructor

constructor(el: ElementRef, ngZone: NgZone)

Parameters : Name Type Optional el ElementRef No ngZone NgZone No

Inputs

scrollThreshold

Type : number

Default value : 50

Pixel threshold for emitting the scrolled event.

Outputs

scrolled

Type : EventEmitter

Event emitted when the virtual scroll container is scrolled by at least 50 pixels.

scrolledToTop

Type : EventEmitter

Event emitted when the virtual scroll container is scrolled to the top.

Methods

ngAfterViewInit

ngAfterViewInit()

Returns : void

ngOnDestroy

ngOnDestroy()

Returns : void