split extension actions into separate service (#512)

* move action management to a separate ActionService

* code improvements and registration chaining

* code fixes

src/app/extensions/core.extensions.module.ts

@@ -0,0 +1,50 @@
+/*!
+ * @license
+ * Alfresco Example Content Application
+ *
+ * Copyright (C) 2005 - 2018 Alfresco Software Limited
+ *
+ * This file is part of the Alfresco Example Content Application.
+ * If the software was purchased under a paid Alfresco license, the terms of
+ * the paid license agreement will prevail.  Otherwise, the software is
+ * provided under the following open source license terms:
+ *
+ * The Alfresco Example Content Application is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The Alfresco Example Content Application is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import { NgModule } from '@angular/core';
+import { AuthGuardEcm, CoreModule } from '@alfresco/adf-core';
+import { ExtensionService } from './extension.service';
+import { AboutComponent } from '../components/about/about.component';
+import { LayoutComponent } from '../components/layout/layout.component';
+import { ToolbarActionComponent } from './components/toolbar-action/toolbar-action.component';
+import { CommonModule } from '@angular/common';
+import { RuleService } from './rules/rule.service';
+import { ActionService } from './actions/action.service';
+
+@NgModule({
+    imports: [CommonModule, CoreModule.forChild()],
+    declarations: [ToolbarActionComponent],
+    exports: [ToolbarActionComponent],
+    entryComponents: [AboutComponent],
+    providers: [ExtensionService, RuleService, ActionService]
+})
+export class CoreExtensionsModule {
+    constructor(extensions: ExtensionService) {
+        extensions
+            .setComponent('aca:layouts/main', LayoutComponent)
+            .setComponent('aca:components/about', AboutComponent)
+            .setAuthGuard('aca:auth', AuthGuardEcm);
+    }
+}