pdb-js/src/app/dashboard-page/dashboard-page.component.html

@@ -1,9 +1,16 @@
-
+<style>
+    .spinner {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+  }
+</style>
 <div class="toolbar">
   <button mat-button (click)="createNewDashboard()">New</button>
 </div>
-<div *ngIf="loading">
-  loading
+<div *ngIf="loading" class="spinner">
+  <mat-spinner></mat-spinner>
 </div>
 <div *ngIf="!loading">
   <table mat-table [dataSource]="dataSource" >

pdb-ui/src/main/java/org/lucares/pdbui/dashboard/DashboardController.java

@@ -62,7 +62,6 @@ public class DashboardController {
             produces = MediaType.APPLICATION_JSON_VALUE)
     @ResponseBody
     public DashboardList getDashboards() throws IOException {
-
         final List<Dashboard> dashboards = new ArrayList<>(Files.list(baseDir)//
                 .filter(p -> p.getFileName().toString().endsWith(".json"))//
                 .map(FileUtils::readSilent)//