Support opening selected document

src-ui/src/app/components/document-list/document-list.component.spec.ts

@@ -629,5 +629,13 @@ describe('DocumentListComponent', () => {
     const detailSpy = jest.spyOn(component, 'openDocumentDetail')
     document.dispatchEvent(new KeyboardEvent('keydown', { key: 'o' }))
     expect(detailSpy).toHaveBeenCalledWith(docs[0])
+
+    jest.spyOn(documentListService, 'documents', 'get').mockReturnValue(docs)
+    jest
+      .spyOn(documentListService, 'selected', 'get')
+      .mockReturnValue(new Set([docs[1].id]))
+    fixture.detectChanges()
+    document.dispatchEvent(new KeyboardEvent('keydown', { key: 'o' }))
+    expect(detailSpy).toHaveBeenCalledWith(docs[1].id)
   })
 })

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

@@ -216,11 +216,18 @@ export class DocumentListComponent
       })
 
     this.hotKeyService
-      .addShortcut({ keys: 'o', description: $localize`Open first document` })
+      .addShortcut({
+        keys: 'o',
+        description: $localize`Open first [selected] document`,
+      })
       .pipe(takeUntil(this.unsubscribeNotifier))
       .subscribe(() => {
         if (this.list.documents.length > 0) {
-          this.openDocumentDetail(this.list.documents[0])
+          if (this.list.selected.size > 0) {
+            this.openDocumentDetail(Array.from(this.list.selected)[0])
+          } else {
+            this.openDocumentDetail(this.list.documents[0])
+          }
         }
       })
   }
@@ -301,8 +308,11 @@ export class DocumentListComponent
     })
   }
 
-  openDocumentDetail(document: Document) {
+  openDocumentDetail(document: Document | number) {
-    this.router.navigate(['documents', document.id])
+    this.router.navigate([
+      'documents',
+      typeof document === 'number' ? document : document.id,
+    ])
   }
 
   toggleSelected(document: Document, event: MouseEvent): void {