GUI2 Changed loading screen display to be a component

Change-Id: Id1592b498e6827ec4cd3544dec92e46f00e8d378
diff --git a/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.html b/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.html
index 7f88b51..65cae49 100644
--- a/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.html
+++ b/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.html
@@ -14,6 +14,7 @@
 ~ limitations under the License.
 -->
 <div id="ov-settings">
+    <onos-loading [theme]="'light'" [running]="loadingIconShown"></onos-loading>
     <div class="tabular-header">
         <h2>Component Settings ({{tableData.length}} total)</h2>
         <div class="ctrl-btns">
@@ -60,4 +61,4 @@
         </div>
     </div>
     <onos-settingsdetails class="floatpanels" id="{{ selId }}" [settingsDetails]="settingsDetails" (closeEvent)="deselectRow($event)"></onos-settingsdetails>
-</div>
\ No newline at end of file
+</div>
diff --git a/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.spec.ts b/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.spec.ts
index 7e0d8de..5ae73ce 100644
--- a/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.spec.ts
+++ b/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.spec.ts
@@ -22,9 +22,8 @@
     FnService,
     IconService,
     IconComponent,
-    LoadingService,
     LogService,
-    WebSocketService
+    WebSocketService, LoadingComponent
 } from 'gui2-fw-lib';
 import { DebugElement } from '@angular/core';
 import { By } from '@angular/platform-browser';
@@ -42,12 +41,6 @@
     loadIconDef() { }
 }
 
-class MockLoadingService {
-    startAnim() { }
-    stop() { }
-    waiting() { }
-}
-
 class MockWebSocketService {
     createWebSocket() { }
     isConnected() { return false; }
@@ -85,11 +78,15 @@
     beforeEach(async(() => {
         TestBed.configureTestingModule({
             imports: [BrowserAnimationsModule],
-            declarations: [SettingsComponent, IconComponent, SettingsDetailsComponent],
+            declarations: [
+                SettingsComponent,
+                IconComponent,
+                SettingsDetailsComponent,
+                LoadingComponent
+            ],
             providers: [
                 { provide: FnService, useValue: fs },
                 { provide: IconService, useClass: MockIconService },
-                { provide: LoadingService, useClass: MockLoadingService },
                 { provide: LogService, useValue: logSpy },
                 { provide: WebSocketService, useClass: MockWebSocketService },
             ]
diff --git a/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.ts b/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.ts
index a2bf6c4..b2444ad 100644
--- a/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.ts
+++ b/web/gui2/src/main/webapp/app/view/settings/settings/settings.component.ts
@@ -16,7 +16,6 @@
 import { Component, OnInit, OnDestroy } from '@angular/core';
 import {
     FnService,
-    LoadingService,
     LogService,
     WebSocketService,
     SortDir, TableBaseImpl, TableResponse
@@ -57,11 +56,10 @@
 
     constructor(
         protected fs: FnService,
-        protected ls: LoadingService,
         protected log: LogService,
         protected wss: WebSocketService
     ) {
-        super(fs, ls, log, wss, 'setting');
+        super(fs, log, wss, 'setting');
         this.responseCallback = this.settingsResponseCb;
         this.parentSelCb = this.rowSelection;