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/warning/WarningComponent.ts b/src/app/utilities/warning/WarningComponent.ts
new file mode 100644
index 0000000..0ccb888
--- /dev/null
+++ b/src/app/utilities/warning/WarningComponent.ts
@@ -0,0 +1,74 @@
+/*
+ Copyright 2020 TATA ELXSI
+
+ Licensed under the Apache License, Version 2.0 (the 'License');
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ Author: SANDHYA JS (sandhya.j@tataelxsi.co.in)
+*/
+/**
+ * @file WarningConfiguration Model
+ */
+import { Component, Injector, Input } from '@angular/core';
+import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
+/**
+ * Creating component
+ * @Component takes WarningComponent.html as template url
+ */
+@Component({
+    selector: 'app-warning',
+    templateUrl: './WarningComponent.html',
+    styleUrls: ['./WarningComponent.scss']
+})
+/** Exporting a class @exports WarningComponent */
+export class WarningComponent {
+    /** To inject services @public */
+    public injector: Injector;
+
+    /** Instance for active modal service @public */
+    public activeModal: NgbActiveModal;
+
+    /** Check the loading results @public */
+    public isLoad: Boolean = false;
+
+    /** Contains title data @public */
+    @Input()
+    public heading: string;
+
+    /** Contains body data @public */
+    @Input()
+    public confirmationMessage: string;
+
+    /** Contains footer data @public */
+    @Input()
+    public submitMessage: string;
+
+    /** Give the message for the loading @public */
+    public message: string = 'PLEASEWAIT';
+
+    constructor(injector: Injector) {
+        this.injector = injector;
+        this.activeModal = this.injector.get(NgbActiveModal);
+    }
+
+    /**
+     * Lifecyle Hooks the trigger before component is instantiate
+     */
+    public ngOnInit(): void {
+        //empty
+    }
+
+    /** Close the modal  @public */
+    public closeModal(getMessage: string): void {
+        this.activeModal.close({ message: getMessage });
+    }
+}