From 81e0498e48af87758892771a7c0b0dd19fa020c9 Mon Sep 17 00:00:00 2001
From: Dan Percic <dan@devplant.ro>
Date: Mon, 19 Apr 2021 17:24:34 +0300
Subject: [PATCH] throws undefined error

---
 .../components/pdf-viewer/pdf-viewer.component.ts     |  2 +-
 .../file-preview-screen.component.ts                  | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/apps/red-ui/src/app/modules/projects/components/pdf-viewer/pdf-viewer.component.ts b/apps/red-ui/src/app/modules/projects/components/pdf-viewer/pdf-viewer.component.ts
index f576348bf..4212715f1 100644
--- a/apps/red-ui/src/app/modules/projects/components/pdf-viewer/pdf-viewer.component.ts
+++ b/apps/red-ui/src/app/modules/projects/components/pdf-viewer/pdf-viewer.component.ts
@@ -418,7 +418,7 @@ export class PdfViewerComponent implements OnInit, AfterViewInit, OnChanges {
         }
     }
 
-    private _loadDocument() {
+    public _loadDocument() {
         if (this.fileData) {
             this.instance.loadDocument(this.fileData, {
                 filename: this.fileStatus ? this.fileStatus.filename : 'document.pdf'
diff --git a/apps/red-ui/src/app/modules/projects/screens/file-preview-screen/file-preview-screen.component.ts b/apps/red-ui/src/app/modules/projects/screens/file-preview-screen/file-preview-screen.component.ts
index 87e8002e1..4974a55f4 100644
--- a/apps/red-ui/src/app/modules/projects/screens/file-preview-screen/file-preview-screen.component.ts
+++ b/apps/red-ui/src/app/modules/projects/screens/file-preview-screen/file-preview-screen.component.ts
@@ -1,5 +1,5 @@
 import { ChangeDetectorRef, Component, HostListener, NgZone, OnDestroy, OnInit, ViewChild } from '@angular/core';
-import { ActivatedRoute, Router } from '@angular/router';
+import { ActivatedRoute, Event, NavigationEnd, Router } from '@angular/router';
 import { AppStateService } from '../../../../state/app-state.service';
 import { WebViewerInstance } from '@pdftron/webviewer';
 import { PdfViewerComponent } from '../../components/pdf-viewer/pdf-viewer.component';
@@ -191,6 +191,15 @@ export class FilePreviewScreenComponent implements OnInit, OnDestroy {
                 });
             }
         });
+
+        this._router.events.subscribe((event: Event) => {
+            if (event instanceof NavigationEnd) {
+                console.log(event);
+                if (!event.url.includes('?page=') && event.url.includes('/ui/projects/') && event.url.includes('/file/')) {
+                    this._viewerComponent._loadDocument();
+                }
+            }
+        });
     }
 
     ngOnDestroy(): void {