Implemented loader service

implemented loader bar to display loading actions on certain operations

Issue-ID: CCSDK-1383
Change-Id: If2cea04fa385d11b2e12529238110be3d07a9920
Signed-off-by: Arundathi Patil <arundpil@in.ibm.com>

diff --git a/cds-ui/client/src/app/common/core/services/loader.service.ts b/cds-ui/client/src/app/common/core/services/loader.service.ts
new file mode 100644 (file)
index 0000000..1d2d1f0
--- /dev/null
+++ b/cds-ui/client/src/app/common/core/services/loader.service.ts
@@ -0,0 +1,43 @@
+/*
+============LICENSE_START==========================================
+===================================================================
+Copyright (C) 2018 IBM Intellectual Property. All rights reserved.
+===================================================================
+
+Unless otherwise specified, all software contained herein is licensed
+under the Apache License, Version 2.0 (the License);
+you may not use this software 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.
+============LICENSE_END============================================
+*/
+
+
+
+import { Injectable } from '@angular/core';
+import { Observable, Subject } from 'rxjs';
+
+@Injectable()
+export class LoaderService {
+
+  public subject = new Subject<boolean>();
+  
+  constructor() {
+  }
+
+  showLoader() {
+    this.subject.next(true);
+  }
+
+  hideLoader() {
+    this.subject.next(false);
+  }
+
+}
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