Feature 10912, 10916: NS Update

	*Added NG-UI support to remove VNF and change VNF in NS update
	*In NS Instances page. Click "Ns Update" in the actions menu.
        *Then a new pop-up page will opened.
        *In the popup there will be drop-down containing Update Type with 'CHANGE_VNFPKG' & 'REMOVE_VNFPKG', membervnfIndex and text field Vnfd Id.
        *When the fields are selected then Click Apply button.
	*For CHANGE_VNFPKG type, the software-version will be checked whether matching or not and corresponding popup will be shown.
        *The pop-up window is closed and the page is directed to "History of operations" page

Change-Id: I135dda039a381b1faa62baa263543e1f210384f7
Signed-off-by: SANDHYA.JS <sandhya.j@tataelxsi.co.in>
diff --git a/src/app/utilities/ns-instances-action/NSInstancesActionComponent.ts b/src/app/utilities/ns-instances-action/NSInstancesActionComponent.ts
index fb52423..3735df7 100644
--- a/src/app/utilities/ns-instances-action/NSInstancesActionComponent.ts
+++ b/src/app/utilities/ns-instances-action/NSInstancesActionComponent.ts
@@ -29,6 +29,7 @@
 import { NSDDetails } from 'NSDModel';
 import { NSDInstanceData } from 'NSInstanceModel';
 import { NSPrimitiveComponent } from 'NSPrimitiveComponent';
+import { NsUpdateComponent } from 'NsUpdateComponent';
 import { RestService } from 'RestService';
 import { forkJoin, Observable } from 'rxjs';
 import { ScalingComponent } from 'ScalingComponent';
@@ -270,6 +271,19 @@
     }).catch();
   }
 
+  /** To open the Ns Update pop-up */
+  public openNsUpdate(): void {
+    const modalRef: NgbModalRef = this.modalService.open(NsUpdateComponent, { backdrop: 'static' });
+    modalRef.componentInstance.params = {
+      id: this.instanceID
+    };
+    modalRef.result.then((result: MODALCLOSERESPONSEDATA): void => {
+      if (result) {
+        this.sharedService.callData();
+      }
+    }).catch();
+  }
+
   /**
    * Check any changes in the child component @public
    */