diff options
Diffstat (limited to 'sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/reposition-scroll-strategy.ts')
-rw-r--r-- | sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/reposition-scroll-strategy.ts | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/reposition-scroll-strategy.ts b/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/reposition-scroll-strategy.ts deleted file mode 100644 index b15d5dea..00000000 --- a/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/reposition-scroll-strategy.ts +++ /dev/null @@ -1,59 +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 {Subscription} from 'rxjs/Subscription'; - -import {OverlayRef} from '../overlay-ref'; - -import {ScrollDispatcher} from './scroll-dispatcher'; -import {getMdScrollStrategyAlreadyAttachedError, ScrollStrategy} from './scroll-strategy'; - -/** - * Config options for the RepositionScrollStrategy. - */ -export interface RepositionScrollStrategyConfig { scrollThrottle?: number; } - -/** - * Strategy that will update the element position as the user is scrolling. - */ -export class RepositionScrollStrategy implements ScrollStrategy { - private _scrollSubscription: Subscription|null = null; - private _overlayRef: OverlayRef; - - constructor( - private _scrollDispatcher: ScrollDispatcher, - private _config?: RepositionScrollStrategyConfig) {} - - attach(overlayRef: OverlayRef) { - if (this._overlayRef) { - throw getMdScrollStrategyAlreadyAttachedError(); - } - - this._overlayRef = overlayRef; - } - - enable() { - if (!this._scrollSubscription) { - const throttle = this._config ? this._config.scrollThrottle : 0; - - this._scrollSubscription = - this._scrollDispatcher.scrolled(throttle, () => { - this._overlayRef.updatePosition(); - }); - } - } - - disable() { - if (this._scrollSubscription) { - this._scrollSubscription.unsubscribe(); - this._scrollSubscription = null; - } - } -} |