1 files changed, 0 insertions, 174 deletions
diff --git a/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/scroll-dispatcher.ts b/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/scroll-dispatcher.ts
deleted file mode 100644
index 2c145af5..00000000
--- a/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/scroll-dispatcher.ts
+++ /dev/null
@@ -1,174 +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 {Platform} from '@angular/cdk';
-import {auditTime} from 'rxjs/operator/auditTime';
-import {ElementRef, Injectable, NgZone, Optional, SkipSelf} from '@angular/core';
-import {fromEvent} from 'rxjs/observable/fromEvent';
-import {merge} from 'rxjs/observable/merge';
-import {Subject} from 'rxjs/Subject';
-import {Subscription} from 'rxjs/Subscription';
-
-import {Scrollable} from './scrollable';
-
-
-/** Time in ms to throttle the scrolling events by default. */
-export const DEFAULT_SCROLL_TIME = 20;
-
-/**
- * Service contained all registered Scrollable references and emits an event
- * when any one of the Scrollable references emit a scrolled event.
- */
-@Injectable()
-export class ScrollDispatcher {
-  /** Subject for notifying that a registered scrollable reference element has
-   * been scrolled. */
-  _scrolled: Subject<void> = new Subject<void>();
-
-  /** Keeps track of the global `scroll` and `resize` subscriptions. */
-  _globalSubscription: Subscription|null = null;
-
-  /** Keeps track of the amount of subscriptions to `scrolled`. Used for
-   * cleaning up afterwards. */
-  private _scrolledCount = 0;
-
-  /**
-   * Map of all the scrollable references that are registered with the service
-   * and their scroll event subscriptions.
-   */
-  scrollableReferences: Map<Scrollable, Subscription> = new Map();
-
-  constructor(private _ngZone: NgZone, private _platform: Platform) {}
-
-  /**
-   * Registers a Scrollable with the service and listens for its scrolled
-   * events. When the scrollable is scrolled, the service emits the event in its
-   * scrolled observable.
-   * @param scrollable Scrollable instance to be registered.
-   */
-  register(scrollable: Scrollable): void {
-	const scrollSubscription =
-		scrollable.elementScrolled().subscribe(() => this._notify());
-
-	this.scrollableReferences.set(scrollable, scrollSubscription);
-  }
-
-  /**
-   * Deregisters a Scrollable reference and unsubscribes from its scroll event
-   * observable.
-   * @param scrollable Scrollable instance to be deregistered.
-   */
-  deregister(scrollable: Scrollable): void {
-	const scrollableReference = this.scrollableReferences.get(scrollable);
-
-	if (scrollableReference) {
-		scrollableReference.unsubscribe();
-		this.scrollableReferences.delete(scrollable);
-	}
-  }
-
-  /**
-   * Subscribes to an observable that emits an event whenever any of the
-   * registered Scrollable references (or window, document, or body) fire a
-   * scrolled event. Can provide a time in ms to override the default "throttle"
-   * time.
-   */
-  scrolled(auditTimeInMs: number = DEFAULT_SCROLL_TIME, callback: () => any):
-		Subscription {
-    // Scroll events can only happen on the browser, so do nothing if we're not
-    // on the browser.
-	if (!this._platform.isBrowser) {
-		return Subscription.EMPTY;
-	}
-
-    // In the case of a 0ms delay, use an observable without auditTime
-    // since it does add a perceptible delay in processing overhead.
-	const observable = auditTimeInMs > 0 ?
-		auditTime.call(this._scrolled.asObservable(), auditTimeInMs) :
-		this._scrolled.asObservable();
-
-	this._scrolledCount++;
-
-	if (!this._globalSubscription) {
-		this._globalSubscription = this._ngZone.runOutsideAngular(() => {
-		return merge(
-					fromEvent(window.document, 'scroll'),
-					fromEvent(window, 'resize'))
-			.subscribe(() => this._notify());
-		});
-	}
-
-    // Note that we need to do the subscribing from here, in order to be able to
-    // remove the global event listeners once there are no more subscriptions.
-	const subscription = observable.subscribe(callback);
-
-	subscription.add(() => {
-		this._scrolledCount--;
-
-		if (this._globalSubscription && !this.scrollableReferences.size &&
-			!this._scrolledCount) {
-		this._globalSubscription.unsubscribe();
-		this._globalSubscription = null;
-		}
-	});
-
-	return subscription;
-  }
-
-  /** Returns all registered Scrollables that contain the provided element. */
-  getScrollContainers(elementRef: ElementRef): Scrollable[] {
-	const scrollingContainers: Scrollable[] = [];
-
-	this.scrollableReferences.forEach(
-		(_subscription: Subscription, scrollable: Scrollable) => {
-			if (this.scrollableContainsElement(scrollable, elementRef)) {
-			scrollingContainers.push(scrollable);
-			}
-		});
-
-	return scrollingContainers;
-  }
-
-  /** Returns true if the element is contained within the provided Scrollable.
-   */
-  scrollableContainsElement(scrollable: Scrollable, elementRef: ElementRef):
-		boolean {
-	let element = elementRef.nativeElement;
-	const scrollableElement = scrollable.getElementRef().nativeElement;
-
-    // Traverse through the element parents until we reach null, checking if any
-    // of the elements are the scrollable's element.
-	do {
-		if (element === scrollableElement) {
-		return true;
-		}
-	} while (element = element.parentElement);
-
-	return false;
-  }
-
-  /** Sends a notification that a scroll event has been fired. */
-  _notify() {
-	this._scrolled.next();
-  }
-}
-
-export function SCROLL_DISPATCHER_PROVIDER_FACTORY(
-	parentDispatcher: ScrollDispatcher, ngZone: NgZone, platform: Platform) {
-  return parentDispatcher || new ScrollDispatcher(ngZone, platform);
-}
-
-export const SCROLL_DISPATCHER_PROVIDER = {
-  // If there is already a ScrollDispatcher available, use that. Otherwise,
-  // provide a new one.
-  provide: ScrollDispatcher,
-  deps: [[new Optional(), new SkipSelf(), ScrollDispatcher], NgZone, Platform],
-  useFactory: SCROLL_DISPATCHER_PROVIDER_FACTORY
-};