keep the ng2-pdf-viewer; this might come in handy for splitting documents at specific pages #706

src-ui/src/app/components/document-detail/document-detail.component.ts

@@ -15,6 +15,7 @@ import { DocumentService } from 'src/app/services/rest/document.service';
 import { ConfirmDialogComponent } from '../common/confirm-dialog/confirm-dialog.component';
 import { CorrespondentEditDialogComponent } from '../manage/correspondent-list/correspondent-edit-dialog/correspondent-edit-dialog.component';
 import { DocumentTypeEditDialogComponent } from '../manage/document-type-list/document-type-edit-dialog/document-type-edit-dialog.component';
+import { PDFDocumentProxy } from 'ng2-pdf-viewer';
 import { ToastService } from 'src/app/services/toast.service';
 import { TextComponent } from '../common/input/text/text.component';
 import { SettingsService, SETTINGS_KEYS } from 'src/app/services/settings.service';
@@ -60,6 +61,9 @@ export class DocumentDetailComponent implements OnInit {
     tags: new FormControl([])
   })
 
+  previewCurrentPage: number = 1
+  previewNumPages: number = 1
+
   constructor(
     private documentsService: DocumentService,
     private route: ActivatedRoute,
@@ -73,6 +77,10 @@ export class DocumentDetailComponent implements OnInit {
     private toastService: ToastService,
     private settings: SettingsService) { }
 
+  get useNativePdfViewer(): boolean {
+    return this.settings.get(SETTINGS_KEYS.USE_NATIVE_PDF_VIEWER)
+  }
+
   getContentType() {
     return this.metadata?.has_archive_version ? 'application/pdf' : this.metadata?.original_mime_type
   }
@@ -218,4 +226,8 @@ export class DocumentDetailComponent implements OnInit {
     return this.documentListViewService.hasNext(this.documentId)
   }
 
+  pdfPreviewLoaded(pdf: PDFDocumentProxy) {
+    this.previewNumPages = pdf.numPages
+  }
+
 }