1 files changed, 0 insertions, 77 deletions
diff --git a/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/block-scroll-strategy.ts b/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/block-scroll-strategy.ts
deleted file mode 100644
index d1c1d401..00000000
--- a/sdc-workflow-designer-ui/src/app/paletx/core/overlay/scroll/block-scroll-strategy.ts
+++ /dev/null
@@ -1,77 +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 {ViewportRuler} from '../position/viewport-ruler';
-
-import {ScrollStrategy} from './scroll-strategy';
-
-/**
- * Strategy that will prevent the user from scrolling while the overlay is
- * visible.
- */
-export class BlockScrollStrategy implements ScrollStrategy {
-  private _previousHTMLStyles = {top: '', left: ''};
-  private _previousScrollPosition: {top: number, left: number};
-  private _isEnabled = false;
-
-  constructor(private _viewportRuler: ViewportRuler) {}
-
-  attach() {
-    //
-  }
-
-  enable() {
-	if (this._canBeEnabled()) {
-		const root = document.documentElement;
-
-		this._previousScrollPosition =
-			this._viewportRuler.getViewportScrollPosition();
-
-      // Cache the previous inline styles in case the user had set them.
-		this._previousHTMLStyles.left = root.style.left || '';
-		this._previousHTMLStyles.top = root.style.top || '';
-
-      // Note: we're using the `html` node, instead of the `body`, because the
-      // `body` may have the user agent margin, whereas the `html` is guaranteed
-      // not to have one.
-		root.style.left = `${- this._previousScrollPosition.left}px`;
-		root.style.top = `${- this._previousScrollPosition.top}px`;
-		root.classList.add('cdk-global-scrollblock');
-		this._isEnabled = true;
-	}
-  }
-
-  disable() {
-	if (this._isEnabled) {
-		this._isEnabled = false;
-		document.documentElement.style.left = this._previousHTMLStyles.left;
-		document.documentElement.style.top = this._previousHTMLStyles.top;
-		document.documentElement.classList.remove('cdk-global-scrollblock');
-		window.scroll(
-			this._previousScrollPosition.left, this._previousScrollPosition.top);
-	}
-  }
-
-  private _canBeEnabled(): boolean {
-    // Since the scroll strategies can't be singletons, we have to use a global
-    // CSS class
-    // (`cdk-global-scrollblock`) to make sure that we don't try to disable
-    // global scrolling multiple times.
-	if (document.documentElement.classList.contains('cdk-global-scrollblock') ||
-		this._isEnabled) {
-		return false;
-	}
-
-	const body = document.body;
-	const viewport = this._viewportRuler.getViewportRect();
-	return body.scrollHeight > viewport.height ||
-		body.scrollWidth > viewport.width;
-  }
-}