[ACA-1542] Print file (#518)

* Add Services and Behaviors to support print file dialog, which opens a browser renderable version of the file with the print dialog; after which, closes the window when the print dialog is closed.

src/app/components/preview/preview.component.html

@@ -4,9 +4,11 @@
         [fileNodeId]="nodeId"
         [allowNavigate]="navigateMultiple"
         [allowSidebar]="true"
+        [allowPrint] ="true"
         [canNavigateBefore]="previousNodeId"
         [canNavigateNext]="nextNodeId"
         [overlayMode]="true"
+        (print) = "printFile($event)"
         (showViewerChange)="onVisibilityChanged($event)"
         (navigateBefore)="onNavigateBefore()"
         (navigateNext)="onNavigateNext()">

src/app/components/preview/preview.component.ts

@@ -33,6 +33,7 @@ import { PageComponent } from '../page.component';
 import { ContentApiService } from '../../services/content-api.service';
 import { ExtensionService } from '../../extensions/extension.service';
 import { ContentManagementService } from '../../services/content-management.service';
+import { ViewUtilService } from '../../services/view-util.service';
 import { ContentActionRef } from '../../extensions/action.extensions';
 @Component({
     selector: 'app-preview',
@@ -59,6 +60,7 @@ export class PreviewComponent extends PageComponent implements OnInit {
         private preferences: UserPreferencesService,
         private route: ActivatedRoute,
         private router: Router,
+        private viewUtils: ViewUtilService,
         store: Store<AppStore>,
         extensions: ExtensionService,
         content: ContentManagementService) {
@@ -341,6 +343,10 @@ export class PreviewComponent extends PageComponent implements OnInit {
         this.onVisibilityChanged(false);
     }
 
+    printFile(event: any) {
+        this.viewUtils.printFileGeneric(this.nodeId, this.node.content.mimeType);
+    }
+
     private getNavigationCommands(url: string): any[] {
         const urlTree: UrlTree = this.router.parseUrl(url);
         const urlSegmentGroup: UrlSegmentGroup = urlTree.root.children[PRIMARY_OUTLET];