From 0d3772578652eea499303231a7240411429ebdf9 Mon Sep 17 00:00:00 2001
From: Daviti Gogshelidze <daviti1@mail.com>
Date: Tue, 18 Jun 2019 14:28:49 +0200
Subject: [PATCH] correct nativeElement is not found error
---
src/atlasViewer/atlasViewer.component.ts | 34 +++++++++++++-----------
1 file changed, 18 insertions(+), 16 deletions(-)
diff --git a/src/atlasViewer/atlasViewer.component.ts b/src/atlasViewer/atlasViewer.component.ts
index aa551f293..8963c18f8 100644
--- a/src/atlasViewer/atlasViewer.component.ts
+++ b/src/atlasViewer/atlasViewer.component.ts
@@ -495,22 +495,24 @@ export class AtlasViewer implements OnDestroy, OnInit, AfterViewInit {
closeMenuWithSwipe(documentToSwipe: ElementRef) {
- const swipeDistance = 150; // swipe distance
- const swipeLeft$ = fromEvent(documentToSwipe.nativeElement, "touchstart")
- .pipe(
- switchMap(startEvent =>
- fromEvent(documentToSwipe.nativeElement, "touchmove")
- .pipe(
- takeUntil(fromEvent(documentToSwipe.nativeElement, "touchend"))
- ,map(event => event['touches'][0].pageX)
- ,scan((acc, pageX) => Math.round(startEvent['touches'][0].pageX - pageX), 0)
- ,takeLast(1)
- ,filter(difference => difference >= swipeDistance)
- )))
- // Subscription
- swipeLeft$.subscribe(val => {
- this.changeMenuState({close: true})
- })
+ if (documentToSwipe && documentToSwipe.nativeElement) {
+ const swipeDistance = 150; // swipe distance
+ const swipeLeft$ = fromEvent(documentToSwipe.nativeElement, "touchstart")
+ .pipe(
+ switchMap(startEvent =>
+ fromEvent(documentToSwipe.nativeElement, "touchmove")
+ .pipe(
+ takeUntil(fromEvent(documentToSwipe.nativeElement, "touchend"))
+ , map(event => event['touches'][0].pageX)
+ , scan((acc, pageX) => Math.round(startEvent['touches'][0].pageX - pageX), 0)
+ , takeLast(1)
+ , filter(difference => difference >= swipeDistance)
+ )))
+ // Subscription
+ swipeLeft$.subscribe(val => {
+ this.changeMenuState({close: true})
+ })
+ }
}
}
--
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