diff options
Diffstat (limited to 'sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/scrollable.ts')
-rw-r--r-- | sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/scrollable.ts | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/scrollable.ts b/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/scrollable.ts deleted file mode 100644 index fe7b041c..00000000 --- a/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/scrollable.ts +++ /dev/null @@ -1,63 +0,0 @@ -/** - * @license - * Copyright Google Inc. All Rights Reserved. - * - * Use of this source code is governed by an MIT-style license that can be - * found in the LICENSE file at https://angular.io/license - */ -/* tslint:disable:array-type member-access variable-name typedef - only-arrow-functions directive-class-suffix component-class-suffix - component-selector*/ -import {Directive, ElementRef, NgZone, OnDestroy, OnInit, Renderer2} from '@angular/core'; -import {Observable} from 'rxjs/Observable'; -import {Subject} from 'rxjs/Subject'; - -import {ScrollDispatcher} from './scroll-dispatcher'; - - -/** - * Sends an event when the directive's element is scrolled. Registers itself - * with the ScrollDispatcher service to include itself as part of its collection - * of scrolling events that it can be listened to through the service. - */ -@Directive({selector: '[cdk-scrollable], [cdkScrollable]'}) -export class Scrollable implements OnInit, OnDestroy { - private _elementScrolled: Subject<Event> = new Subject(); - private _scrollListener: Function|null; - - constructor( - private _elementRef: ElementRef, private _scroll: ScrollDispatcher, - private _ngZone: NgZone, private _renderer: Renderer2) {} - - ngOnInit() { - this._scrollListener = this._ngZone.runOutsideAngular(() => { - return this._renderer.listen( - this.getElementRef().nativeElement, 'scroll', (event: Event) => { - this._elementScrolled.next(event); - }); - }); - - this._scroll.register(this); - } - - ngOnDestroy() { - this._scroll.deregister(this); - - if (this._scrollListener) { - this._scrollListener(); - this._scrollListener = null; - } - } - - /** - * Returns observable that emits when a scroll event is fired on the host - * element. - */ - elementScrolled(): Observable<any> { - return this._elementScrolled.asObservable(); - } - - getElementRef(): ElementRef { - return this._elementRef; - } -} |