Fixed bug search lost

src/app/search/components/dataset/dataset-tabs.component.html

@@ -5,7 +5,7 @@
             <li *ngFor="let dataset of getDatasetListByFamily(datasetFamilyList[0].id); last as isLast"
                 class="list-unstyled px-3 pt-3 pb-0">
                 <app-dataset-card [dataset]="dataset" [project]="getProject(dataset)"
-                    [datasetSelected]="datasetSelected" (select)="select.emit($event)">
+                    [datasetSelected]="dnameSelected" (select)="select.emit($event)">
                 </app-dataset-card>
                 <hr *ngIf="!isLast">
             </li>
@@ -33,7 +33,7 @@
                 <app-dataset-card
                     [dataset]="dataset" 
                     [project]="getProject(dataset)"
-                    [datasetSelected]="datasetSelected" 
+                    [datasetSelected]="dnameSelected"
                     (select)="select.emit($event)">
                 </app-dataset-card>
                 <hr *ngIf="!isLast">

src/app/search/components/dataset/dataset-tabs.component.spec.ts

@@ -73,6 +73,7 @@ describe('[Search][Dataset] Component: DatasetTabsComponent', () => {
     it('should select dataset if only one dataset in instance', () => {
         testedComponent.select.subscribe((event: string) => expect(event).toBe('cat_1'));
         testHostComponent.datasetList = [DATASET]
+        testHostComponent.datasetSelected = null;
         testHostFixture.detectChanges();
     });
 });

src/app/search/components/dataset/dataset-tabs.component.ts

@@ -10,21 +10,21 @@ import { Project, Dataset, Family } from '../../../metamodel/model';
 })
 export class DatasetTabsComponent {
     @Input() projectList: Project[];
-    @Input() 
-    set datasetList(datasetList: Dataset[]) {
-        this.datasets = datasetList;
-        if (datasetList.length === 1) {
-            this.select.emit(datasetList[0].name);
+    @Input() datasetList: Dataset[];
+    @Input() datasetFamilyList: Family[];
+    @Input()
+    set datasetSelected(datasetSelected: string) {
+        this.dnameSelected = datasetSelected;
+        if (this.dnameSelected === null && this.datasetList.length === 1) {
+            this.select.emit(this.datasetList[0].name);
         }
     }
-    @Input() datasetFamilyList: Family[];
-    @Input() datasetSelected: string;
     @Output() select: EventEmitter<string> = new EventEmitter();
     
-    datasets: Dataset[];
+    dnameSelected: string;
 
     getDatasetListByFamily(idFamily: number): Dataset[] {
-        return this.datasets
+        return this.datasetList
             .filter(d => d.id_dataset_family === idFamily)
             .sort((a, b) => a.display - b.display);
     }