angular2 tabs example with selectedIndex

/** Add Transpiler for Typescript */
System.config({
  transpiler: 'typescript',
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  packages: {
    '.': {
      defaultExtension: 'ts'
    },
    'vendor': {
      defaultExtension: 'js'
    }
  }
});

System.config({
  map: {
    'main': 'main.js',

    // Angular specific mappings.
    '@angular/core': 'https://unpkg.com/@angular/core/bundles/core.umd.js',
    '@angular/animations': 'https://unpkg.com/@angular/animations/bundles/animations.umd.js',
    '@angular/common': 'https://unpkg.com/@angular/common/bundles/common.umd.js',
    '@angular/compiler': 'https://unpkg.com/@angular/compiler/bundles/compiler.umd.js',
    '@angular/http': 'https://unpkg.com/@angular/http/bundles/http.umd.js',
    '@angular/forms': 'https://unpkg.com/@angular/forms/bundles/forms.umd.js',
    '@angular/router': 'https://unpkg.com/@angular/router/bundles/router.umd.js',
    '@angular/platform-browser': 'https://unpkg.com/@angular/platform-browser/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'https://unpkg.com/@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
    '@angular/animations/browser': 'https://unpkg.com/@angular/animations/bundles/animations-browser.umd.js',
    '@angular/platform-browser/animations': 'https://unpkg.com/@angular/platform-browser/bundles/platform-browser-animations.umd.js',
    '@angular/material': 'https://unpkg.com/@angular/material/bundles/material.umd.js',

    // Rxjs mapping
    'rxjs': 'https://unpkg.com/rxjs',
  },
  packages: {
    // Thirdparty barrels.
    'rxjs': { main: 'index' },
  }
});

import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {BrowserModule} from '@angular/platform-browser';
import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
import {NgModule} from '@angular/core';
import {FormsModule, ReactiveFormsModule} from '@angular/forms';
import {MaterialModule, MdNativeDateModule} from '@angular/material';
import {TabsOverviewExample} from './tabs-overview-example';
import {HttpModule} from '@angular/http';

@NgModule({

  imports: [
    BrowserModule,
    BrowserAnimationsModule,
    FormsModule,
    HttpModule,
    MaterialModule,
    MdNativeDateModule,
    ReactiveFormsModule,
  ],

  declarations: [TabsOverviewExample],
  bootstrap: [TabsOverviewExample],
  providers: []
})
export class PlunkerAppModule {
  
}

platformBrowserDynamic().bootstrapModule(PlunkerAppModule);

<!DOCTYPE html>
<html>
<head>
  <title>Angular Material Plunker</title>

  <!-- Load common libraries -->
  <script src="https://cdnjs.cloudflare.com/ajax/libs/typescript/2.1.1/typescript.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/core-js/2.4.1/core.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/zone.js/0.8.5/zone.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/hammer.js/2.0.8/hammer.min.js"></script>

  <!-- Configure SystemJS -->
  <script src="systemjs.config.js"></script>

  <script>
    System
      .import('main.ts')
      .catch(console.error.bind(console));
  </script>

  <!-- Load the Angular Material stylesheet -->
  <link href="https://unpkg.com/@angular/material/prebuilt-themes/indigo-pink.css" rel="stylesheet">
  <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
  <style>body { font-family: Roboto, Arial, sans-serif; }</style>
</head>

<body>
<tabs-overview-example>Loading Material Docs example...</tabs-overview-example>
</body>

</html>

import {Component,OnInit,ElementRef} from '@angular/core';


@Component({
  selector: 'tabs-overview-example',
  templateUrl: 'tabs-overview-example.html',
})
export class TabsOverviewExample implements OnInit {
  selectedIndex:number;
  constructor(_elementRef:ElementRef){
    this.selectedIndex=2;
  }
  
  ngOnInit(){
    const mdTabGroupElem = this._elementRef.nativeElement.children[0];
    //console.log(mdTabGroupElem.children[1])
    //mdTabGroupElem.removeChild(mdTabGroupElem.children[1]);
  }
  
  items= [
      {label:'Tab1',content:'Tab1 content1'},
      {label:'Tab2',content:'Tab1 content2'},
      {label:'Tab3',content:'Tab1 content3'},
      {label:'Tab4',content:'Tab1 content4'}
    ];
  
  change($event){
     console.log('event => ', $event);
     console.log('index => ', $event.index);
  }
  
}

/** No CSS for this example */

<md-tab-group [selectedIndex]="selectedIndex" (selectChange)="change($event)">
<md-tab *ngFor="let item of items" label="{{item.label}}">
  {{item.content}}
  </md-tab>
</md-tab-group>