Sync Integ to Master

Change-Id: I71e3acc26fa612127756ac04073a522b9cc6cd74
Issue-ID: SDC-977
Signed-off-by: Gitelman, Tal (tg851x) <tg851x@intl.att.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/catalog-ui/src/app/ng2/services/dynamic-component.service.ts b/catalog-ui/src/app/ng2/services/dynamic-component.service.ts
new file mode 100644
index 0000000000..29dd1e9e09
--- /dev/null
+++ b/catalog-ui/src/app/ng2/services/dynamic-component.service.ts
@@ -0,0 +1,28 @@
+import {
+    Injectable, Type, ViewContainerRef, ApplicationRef, ComponentFactory, ComponentFactoryResolver, ComponentRef
+} from '@angular/core';
+
+
+
+@Injectable()
+export class DynamicComponentService {
+
+    constructor(private componentFactoryResolver: ComponentFactoryResolver, private applicationRef: ApplicationRef) { }
+
+    //Creates a component dynamically (aka during runtime). If a view container is not specified, it will append the new component to the app root. 
+    //To subscribe to an event from invoking component: componentRef.instance.clicked.subscribe((m) => console.log(m.name));
+    public createDynamicComponent<T>(componentType: Type<T>, viewContainerRef?:ViewContainerRef): ComponentRef<T> {
+
+        viewContainerRef = viewContainerRef || this.getRootViewContainerRef();
+        viewContainerRef.clear();
+
+        let factory: ComponentFactory<T> = this.componentFactoryResolver.resolveComponentFactory(componentType); //Ref: https://angular.io/guide/dynamic-component-loader
+        let componentRef: ComponentRef<T> = viewContainerRef.createComponent(factory);
+        return componentRef; 
+    }
+
+    
+    private getRootViewContainerRef(): ViewContainerRef {
+        return this.applicationRef.components[0].instance.viewContainerRef;
+    }
+};
\ No newline at end of file