Merge pull request #260 from NativeScript/nnikolov/LoadedEventFix

Emit loaded event after attaching to.

Author: Nedyalko Nikolov

Diff for: ng-sample/app/examples/navigation/router-outlet-test.ts

@@ -18,7 +18,7 @@ class FirstComponent { }
     directives: [ROUTER_DIRECTIVES, NS_ROUTER_DIRECTIVES],
     styleUrls: ["examples/navigation/router-outlet-test.css"],
     template: `
-    <StackLayout>
+    <StackLayout #secondStack (loaded)="onLoaded(secondStack)">
         <Label [text]="'Second component - ' + id" class="title"></Label>
     </StackLayout>`
 })
@@ -27,6 +27,10 @@ class SecondComponent {
     constructor(routeParams: RouteParams) {
         this.id = routeParams.get("id");
     }
+    
+    onLoaded(args) {
+        console.log("==========>>>>>>>>>>>>>SecondComponent loaded event with args: " + args);
+    }
 }
 
 @Component({
@@ -35,7 +39,7 @@ class SecondComponent {
     styleUrls: ["examples/navigation/router-outlet-test.css"],
     template: `
         <StackLayout>
-            <StackLayout class="nav">
+            <StackLayout #stack class="nav" (loaded)="onLoaded(stack)">
                 <Button text="First" [nsRouterLink]="['First']"></Button>
                 <Button text="GO(1)" [nsRouterLink]="['Second', { id: 1 }]"></Button>
                 <Button text="GO(2)" [nsRouterLink]="['Second', { id: 2 }]"></Button>
@@ -50,4 +54,8 @@ class SecondComponent {
     { path: '/first', component: FirstComponent, name: 'First', useAsDefault: true },
     { path: '/second/:id', component: SecondComponent, name: 'Second' },
 ])
-export class RouterOutletTest { }
+export class RouterOutletTest { 
+    onLoaded(args) {
+        console.log("==========>>>>>>>>>>>>>RouterOutletTest loaded event with args: " + args);
+    }
+}

Diff for: src/nativescript-angular/renderer.ts

@@ -216,13 +216,17 @@ export class NativeScriptRenderer extends Renderer {
 
     public createText(parentElement: NgView, value: string): NgView {
         traceLog('NativeScriptRenderer.createText');
-        return this.viewUtil.createText(value);;
+        return this.viewUtil.createText(value);
     }
 
     public listen(renderElement: NgView, eventName: string, callback: Function): Function {
         traceLog('NativeScriptRenderer.listen: ' + eventName);
         let zonedCallback = (<any>global).Zone.current.wrap(callback);
         renderElement.on(eventName, zonedCallback);
+        if (eventName === View.loadedEvent && renderElement.isLoaded) {
+            const notifyData = {eventName: View.loadedEvent, object: renderElement}; 
+            zonedCallback(notifyData);
+        }
         return () => renderElement.off(eventName, zonedCallback);
     }