create Modal Service

[elgervb]

http://blog.brecht.io/Modals-in-angular2/ https://github.com/ng-bootstrap/ng-bootstrap/blob/master/src/modal/modal-stack.ts

[elgervb]

@Injectable(@Injectable({ providedIn: 'root' }) export class ModalService { factoryResolver: ComponentFactoryResolver;

constructor( @Inject(ComponentFactoryResolver) factoryResolver, private injector: Injector ) { this.factoryResolver = factoryResolver; }

open(componentClass: Type): T { const factory = this.factoryResolver .resolveComponentFactory(componentClass); const component = factory .create(rootViewContainer.parentInjector); rootViewContainer.insert(component.hostView); } }