From 7bb2346ec270e1b8e4f3ed982adf340e57631bbc Mon Sep 17 00:00:00 2001
From: "k.triantafyllou" <k.triantafyllou@di.uoa.gr>
Date: Wed, 31 Aug 2022 13:15:49 +0300
Subject: [PATCH] Page Content: Fix replace header behaviour

---
 .../sharedComponents/page-content/page-content.component.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dashboard/sharedComponents/page-content/page-content.component.ts b/dashboard/sharedComponents/page-content/page-content.component.ts
index 36e21a7e..93638770 100644
--- a/dashboard/sharedComponents/page-content/page-content.component.ts
+++ b/dashboard/sharedComponents/page-content/page-content.component.ts
@@ -127,9 +127,11 @@ export class PageContentComponent implements OnInit, AfterViewInit, OnDestroy {
     if (this.header) {
       let headerObs = new IntersectionObserver(entries => {
         entries.forEach(entry => {
-          this.layoutService.setReplaceHeader(!entry.isIntersecting);
+          if(entry.boundingClientRect.height > 0) {
+            this.layoutService.setReplaceHeader(!entry.isIntersecting);
+          }
         })
-      }, {threshold: 0.5});
+      });
       this.subscriptions.push(headerObs);
       headerObs.observe(this.header.nativeElement);
     }