From cb6a492ab9a54777eb4583bfeb97f4c48442e16d Mon Sep 17 00:00:00 2001
From: Sonja Galovic <galovicsonja@gmail.com>
Date: Wed, 20 Apr 2022 01:42:18 +0200
Subject: Napravi eksperiment: podeseno da ne moze da se ode na naredni korak
 dok se ne zavrsi trenutni.

---
 frontend/src/app/experiment/experiment.component.html |  2 +-
 frontend/src/app/experiment/experiment.component.ts   | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

(limited to 'frontend/src/app')

diff --git a/frontend/src/app/experiment/experiment.component.html b/frontend/src/app/experiment/experiment.component.html
index 4675236c..a2a45f20 100644
--- a/frontend/src/app/experiment/experiment.component.html
+++ b/frontend/src/app/experiment/experiment.component.html
@@ -5,7 +5,7 @@
     <div id="container" class="container p-5" style="background-color: white; min-height: 100%;">
 
         <div class="d-flex flex-row justify-content-center align-items-center my-3 links">
-            <a href="#" data-bs-target="#carouselExampleControls" data-bs-slide-to="0" (click)="updateCarouselIndex(0)" [ngClass]="{'boldClass' : carouselIndex == 0}" style="text-decoration: none">Izvor podataka</a>
+            <a id="firstStep" href="#" data-bs-target="#carouselExampleControls" data-bs-slide-to="0" (click)="updateCarouselIndex(0);" [ngClass]="{'boldClass' : carouselIndex == 0}" style="text-decoration: none">Izvor podataka</a>
             <mat-icon>arrow_forward</mat-icon>
             <a href="#" data-bs-target="#carouselExampleControls" data-bs-slide-to="1" (click)="updateCarouselIndex(1)" [ngClass]="{'boldClass' : carouselIndex == 1}" style="text-decoration: none">Preprocesiranje</a>
             <mat-icon>arrow_forward</mat-icon>
diff --git a/frontend/src/app/experiment/experiment.component.ts b/frontend/src/app/experiment/experiment.component.ts
index 1533ceb3..64adce3f 100644
--- a/frontend/src/app/experiment/experiment.component.ts
+++ b/frontend/src/app/experiment/experiment.component.ts
@@ -227,6 +227,16 @@ export class ExperimentComponent implements OnInit {
     else if (newIndex < 0)
       newIndex = 0; 
 
+    if (this.carouselIndex == 0 && (newIndex == 1 || newIndex == 2))
+      this.checkRequiredData();
     this.carouselIndex = newIndex;
   }
+
+  checkRequiredData() {
+      if (this.selectedDataset == undefined) {
+        (<HTMLAnchorElement>document.getElementById("firstStep")).click();
+        Shared.openDialog("Pažnja", "Potrebno je da dodate ili izabere izvor podataka kako biste prešli na naredni korak (preprocesiranje).");
+        return;
+      }
+  }
 }
-- 
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