tiborm commented on a change in pull request #1514: METRON-2190: [UI] Alerts
UI: Indicating loading and preventing parallel requests
URL: https://github.com/apache/metron/pull/1514#discussion_r326997272
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File path:
metron-interface/metron-alerts/src/app/alerts/alerts-list/alerts-list.component.ts
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@@ -75,7 +73,18 @@ export class AlertsListComponent implements OnInit,
OnDestroy {
@ViewChild('table') table: ElementRef;
@ViewChild('dataViewComponent') dataViewComponent: TableViewComponent;
@ViewChild(AlertSearchDirective) alertSearchDirective: AlertSearchDirective;
- @ViewChild('manualQuery') manualQuery: ElementRef;
+
+ private manualQueryFieldChangeSubs: Subscription;
+ private manualQueryInputEl: ElementRef;
+ @ViewChild('manualQuery') set manualQuery(el: ElementRef) {
+ if (el && !this.manualQueryInputEl) {
+ this.manualQueryInputEl = el;
+ this.manualQueryFieldChangeSubs =
this.addManualQueryFieldChangeStream(el.nativeElement);
+ }
+ };
+ get manualQuery(): ElementRef {
+ return this.manualQueryInputEl;
+ }
Review comment:
This structure is used to use to deal with a viewChild in an ngIf.
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