import { Component,Input, Injectable, ApplicationRef, ChangeDetectorRef } from '@angular/core';
import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
import { Tabs } from './tabs.component';
import {Observable} from 'rxjs/Rx';

@Component({
    selector: 'my-app',
    templateUrl: 'templates/app.html'
})

export class AppComponent {
    public tabList:Array<any>;
    public tabs: any;
    public tabSet: NgbTabset;
    public sharedData: any;
    private _lipsum: any;
  
    constructor(private changeRef: ChangeDetectorRef, private appRef: ApplicationRef) {
        declare var LoremIpsum: any;
        this._lipsum = new LoremIpsum();
        this.tabList = [];
        this.sharedData = { tabSet: this.tabSet };
        var numTabs: int = Math.floor(Math.random() * (5 - 1) + 1);
        for (var i=0; i < numTabs; i++) {
            this.addTab();
        }
    }
  
    tabAdded(event) {
        this.addTab();
        // Select the last added tab.
        var id: string = this.getLastId();
        this.sharedData.tabSet.activeId = id;
    }
  
    getNextId() : string {
        var id: string = 'ngbTab-' + (this.tabList.length + 1).toString();
        return id;
    }
  
    getLastId() : string {
        var id: string = 'ngbTab-' + (this.tabList.length).toString();
        return id;
    }
  
    tabSetCreated(event) {
        this.tabSet = event.tabSet;
    }
  
    addTab() {
        var id: string = this.getNextId();
        var title: string = this._lipsum.singleWord(); 
        var wordCount: int = Math.random() * (200 - 5) + 5;
        var content: string = this._lipsum.generate(wordCount);
        this.tabList.push({ id: id, title: title, content: content });
    }
  
    onChange(event) {
    
    }
}
import { Component, NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { JsonpModule } from '@angular/http';
import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
import { Tabs } from './tabs.component';
import { AppComponent } from './app.component';

@NgModule({
  imports: [BrowserModule, FormsModule, ReactiveFormsModule, JsonpModule, NgbModule.forRoot()], 
  declarations: [ AppComponent, Tabs ],
  bootstrap:    [ AppComponent ]
})

export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';

import { AppModule } from './app.module';

const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);
/* Master Styles */
h1 {
  color: #369;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 250%;
}
h2, h3 {
  color: #444;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: lighter;
}
body {
  margin: 2em;
}
body, input[text], button {
  color: #888;
  font-family: Cambria, Georgia;
}
a {
  cursor: pointer;
  cursor: hand;
}
button {
  font-family: Arial;
  background-color: #eee;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  cursor: hand;
}
button:hover {
  background-color: #cfd8dc;
}
button:disabled {
  background-color: #eee;
  color: #aaa;
  cursor: auto;
}

/* Navigation link styles */
nav a {
  padding: 5px 10px;
  text-decoration: none;
  margin-top: 10px;
  display: inline-block;
  background-color: #eee;
  border-radius: 4px;
}
nav a:visited, a:link {
  color: #607D8B;
}
nav a:hover {
  color: #039be5;
  background-color: #CFD8DC;
}
nav a.active {
  color: #039be5;
}

/* items class */
.items {
  margin: 0 0 2em 0;
  list-style-type: none;
  padding: 0;
  width: 24em;
}
.items li {
  cursor: pointer;
  position: relative;
  left: 0;
  background-color: #EEE;
  margin: .5em;
  padding: .3em 0;
  height: 1.6em;
  border-radius: 4px;
}
.items li:hover {
  color: #607D8B;
  background-color: #DDD;
  left: .1em;
}
.items li.selected:hover {
  background-color: #BBD8DC;
  color: white;
}
.items .text {
  position: relative;
  top: -3px;
}
.items {
  margin: 0 0 2em 0;
  list-style-type: none;
  padding: 0;
  width: 24em;
}
.items li {
  cursor: pointer;
  position: relative;
  left: 0;
  background-color: #EEE;
  margin: .5em;
  padding: .3em 0;
  height: 1.6em;
  border-radius: 4px;
}
.items li:hover {
  color: #607D8B;
  background-color: #DDD;
  left: .1em;
}
.items li.selected {
  background-color: #CFD8DC;
  color: white;
}

.items li.selected:hover {
  background-color: #BBD8DC;
}
.items .text {
  position: relative;
  top: -3px;
}
.items .badge {
  display: inline-block;
  font-size: small;
  color: white;
  padding: 0.8em 0.7em 0 0.7em;
  background-color: #607D8B;
  line-height: 1em;
  position: relative;
  left: -1px;
  top: -4px;
  height: 1.8em;
  margin-right: .8em;
  border-radius: 4px 0 0 4px;
}
/* everywhere else */
* {
  font-family: Arial, Helvetica, sans-serif;
}


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/
<!DOCTYPE html>
<html>
  <head>
    <title>Angular Demo</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    
    <link rel="stylesheet" href="https://v4-alpha.getbootstrap.com/dist/css/bootstrap.min.css" />
    <link rel="stylesheet" href="styles.css" />
    
  
    <!-- 1. Load libraries -->
    <script src="lorem-ipsum.js"></script>
    
     <!-- Polyfill(s) for older browsers -->
    <script src="https://unpkg.com/core-js/client/shim.min.js"></script>

    <script src="https://unpkg.com/zone.js@0.6.25?main=browser"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3"></script>
    <script src="https://unpkg.com/systemjs@0.19.27/dist/system.src.js"></script>

    <!-- 2. Configure SystemJS -->
    <script src="systemjs.config.js"></script>
    <script>
      System.import('app').catch(function(err){ console.error(err); });
    </script>
  </head>

  <!-- 3. Display the application -->
  <body>
    <my-app>Loading...</my-app>
  </body>
</html>
### This is a simple base demo plunker

Angular Tabs Example
/**
 * PLUNKER VERSION
 * (based on systemjs.config.js in angular.io)
 * System configuration for Angular samples
 * Adjust as necessary for your application needs.
 */
(function (global) {
  System.config({
    // DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
    transpiler: 'ts',
    typescriptOptions: {
      tsconfig: true
    },
    meta: {
      'typescript': {
        "exports": "ts"
      }
    },
    paths: {
      // paths serve as alias
      'npm:': 'https://unpkg.com/'
    },
    // map tells the System loader where to look for things
    map: {
      // our app is within the app folder
      app: 'app',

      // angular bundles
      '@angular/core': 'npm:@angular/core/bundles/core.umd.js',
      '@angular/common': 'npm:@angular/common/bundles/common.umd.js',
      '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
      '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
      '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
      '@angular/http': 'npm:@angular/http/bundles/http.umd.js',
      '@angular/router': 'npm:@angular/router/bundles/router.umd.js',
      '@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
      '@angular/upgrade': 'npm:@angular/upgrade/bundles/upgrade.umd.js',

      // other libraries
      'rxjs':                      'npm:rxjs',
      'angular-in-memory-web-api': 'npm:angular-in-memory-web-api',
      'ts':                        'npm:plugin-typescript@4.0.10/lib/plugin.js',
      'typescript':                'npm:typescript@2.0.2/lib/typescript.js',
      
      '@ng-bootstrap/ng-bootstrap': 'npm:@ng-bootstrap/ng-bootstrap/bundles/ng-bootstrap.js'

    },
    // packages tells the System loader how to load when no filename and/or no extension
    packages: {
      app: {
        main: './main.ts',
        defaultExtension: 'ts'
      },
      rxjs: {
        defaultExtension: 'js'
      },
      'angular-in-memory-web-api': {
        main: './index.js',
        defaultExtension: 'js'
      }
    }
  });
})(this);


/*
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
*/
{
  "compilerOptions": {
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": false,
    "noImplicitAny": true,
    "suppressImplicitAnyIndexErrors": true,
    "types": []
  },
  "exclude": [
    "node_modules/*",
    "**/*-aot.ts"
  ]
}
import {Component,Input,Output,ViewChild,EventEmitter,ChangeDetectionStrategy} from '@angular/core';
import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
import {Observable} from 'rxjs/Rx';

@Component({
    selector: 'tabs',
    templateUrl: 'templates/tabs.html',
    changeDetection: ChangeDetectionStrategy.OnPush,
})

export class Tabs implements OnChanges {
    private _tabs: Array<Object>;
    private _sharedData: any;
    private _lipsum: any;
    private _watch: Observable<Array<Object>>;
    
    @ViewChild('ngbTabset') ngbTabset;

    @Output() tabAdded = new EventEmitter();
    @Output() tabSetCreated = new EventEmitter();
  
    get tabs() {
        return this._tabs;
    }

    @Input()
    set tabList(tabList: Array<Object>) {
        this._tabs = tabList;
    }
  
    get sharedData() {
        console.log('getting tabset');
        return this._tabSet;
    }

    @Input()
    set sharedData(sharedData: any) {
        this._sharedData = sharedData;
    }
  
    constructor() { }
  
    addTab(event) {
        this.tabAdded.emit(event);
    }
  
    public ngAfterViewInit() {
        console.log(this.ngbTabset);
        this._sharedData.tabSet = this.ngbTabset;
        //this.tabSetCreated.emit({ tabSet: this.ngbTabset});
    }
  
    public ngOnChanges(): void {
        console.log("changed");
    }
}
<ngb-tabset #ngbTabset="ngbTabset">
  <ngb-tab *ngFor="let tab of tabs" [id]="tab.id">
    <template ngbTabTitle>{{ tab.title }}</template>
    <template ngbTabContent><p>{{ tab.content }}</p></template>
  </ngb-tab>
</ngb-tabset>

<button (click)="addTab($event)">Add Tab</button>
<div class="container-fluid">
  <hr>
  <p>
    This is a demo plnkr forked from the <strong>ng-bootstrap</strong> project: Angular 2 powered Bootstrap.
    Visit <a href="https://ng-bootstrap.github.io/" target="_blank">https://ng-bootstrap.github.io</a> for more widgets and demos.
  </p>
  <hr>
  
  <tabs [tabList]="this.tabList" [sharedData]="this.sharedData" (tabAdded)="tabAdded($event)"
    (tabSetCreated)="tabSetCreated($event)"></tabs>
</div>
/**
 * @fileOverview Generates "Lorem ipsum" style text.
 * @author rviscomi@gmail.com Rick Viscomi,
 * 		tinsley@tinsology.net Mathew Tinsley
 * @version 1.0
 */

/**
 *	Copyright (c) 2009, Mathew Tinsley (tinsley@tinsology.net)
 *	All rights reserved.
 *
 *	Redistribution and use in source and binary forms, with or without
 *	modification, are permitted provided that the following conditions are met:
 *		* Redistributions of source code must retain the above copyright
 *		  notice, this list of conditions and the following disclaimer.
 *		* Redistributions in binary form must reproduce the above copyright
 *		  notice, this list of conditions and the following disclaimer in the
 *		  documentation and/or other materials provided with the distribution.
 *		* Neither the name of the organization nor the
 *		  names of its contributors may be used to endorse or promote products
 *		  derived from this software without specific prior written permission.
 *
 *	THIS SOFTWARE IS PROVIDED BY MATHEW TINSLEY ''AS IS'' AND ANY
 *	EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *	DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
 *	DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *	(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *	LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *	ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *	SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @class Jibborish generator.
 */
var LoremIpsum = function () {
};

/**
 * Average number of words per sentence.
 * @constant {number}
 */
LoremIpsum.WORDS_PER_SENTENCE_AVG = 24.460;

/**
 * Standard deviation of the number of words per sentence.
 * @constant {number}
 */
LoremIpsum.WORDS_PER_SENTENCE_STD = 5.080;

/**
 * List of possible words.
 * @constant {Array.string}
 */
LoremIpsum.WORDS = [
		'lorem', 'ipsum', 'dolor', 'sit', 'amet', 'consectetur',
		'adipiscing', 'elit', 'curabitur', 'vel', 'hendrerit', 'libero',
		'eleifend', 'blandit', 'nunc', 'ornare', 'odio', 'ut',
		'orci', 'gravida', 'imperdiet', 'nullam', 'purus', 'lacinia',
		'a', 'pretium', 'quis', 'congue', 'praesent', 'sagittis', 
		'laoreet', 'auctor', 'mauris', 'non', 'velit', 'eros',
		'dictum', 'proin', 'accumsan', 'sapien', 'nec', 'massa',
		'volutpat', 'venenatis', 'sed', 'eu', 'molestie', 'lacus',
		'quisque', 'porttitor', 'ligula', 'dui', 'mollis', 'tempus',
		'at', 'magna', 'vestibulum', 'turpis', 'ac', 'diam',
		'tincidunt', 'id', 'condimentum', 'enim', 'sodales', 'in',
		'hac', 'habitasse', 'platea', 'dictumst', 'aenean', 'neque',
		'fusce', 'augue', 'leo', 'eget', 'semper', 'mattis', 
		'tortor', 'scelerisque', 'nulla', 'interdum', 'tellus', 'malesuada',
		'rhoncus', 'porta', 'sem', 'aliquet', 'et', 'nam',
		'suspendisse', 'potenti', 'vivamus', 'luctus', 'fringilla', 'erat',
		'donec', 'justo', 'vehicula', 'ultricies', 'varius', 'ante',
		'primis', 'faucibus', 'ultrices', 'posuere', 'cubilia', 'curae',
		'etiam', 'cursus', 'aliquam', 'quam', 'dapibus', 'nisl',
		'feugiat', 'egestas', 'class', 'aptent', 'taciti', 'sociosqu',
		'ad', 'litora', 'torquent', 'per', 'conubia', 'nostra',
		'inceptos', 'himenaeos', 'phasellus', 'nibh', 'pulvinar', 'vitae',
		'urna', 'iaculis', 'lobortis', 'nisi', 'viverra', 'arcu',
		'morbi', 'pellentesque', 'metus', 'commodo', 'ut', 'facilisis',
		'felis', 'tristique', 'ullamcorper', 'placerat', 'aenean', 'convallis',
		'sollicitudin', 'integer', 'rutrum', 'duis', 'est', 'etiam',
		'bibendum', 'donec', 'pharetra', 'vulputate', 'maecenas', 'mi',
		'fermentum', 'consequat', 'suscipit', 'aliquam', 'habitant', 'senectus',
		'netus', 'fames', 'quisque', 'euismod', 'curabitur', 'lectus',
		'elementum', 'tempor', 'risus', 'cras'
];

LoremIpsum.prototype.singleWord = function () {
  var position = Math.floor(Math.random() * LoremIpsum.WORDS.length);
  var word = LoremIpsum.WORDS[position];
  return word.charAt(0).toUpperCase() + word.slice(1);
}

/**
 * Generate "Lorem ipsum" style words.
 * @param num_words {number} Number of words to generate.
 * @return {string} "Lorem ipsum..."
 */
LoremIpsum.prototype.generate = function (num_words) {
	var words, ii, position, word, current, sentences, sentence_length, sentence;
	
	/**
	 * @default 100
	 */
	num_words = num_words || 100;
	
	words = [LoremIpsum.WORDS[0], LoremIpsum.WORDS[1]];
	num_words -= 2;
	
	for (ii = 0; ii < num_words; ii++) {
		position = Math.floor(Math.random() * LoremIpsum.WORDS.length);
		word = LoremIpsum.WORDS[position];
		
		if (ii > 0 && words[ii - 1] === word) {
			ii -= 1;
			
		} else {
			words[ii] = word;
		}
	}
	
	sentences = [];
	current = 0;
	
	while (num_words > 0) {
		sentence_length = this.getRandomSentenceLength();
		
		if (num_words - sentence_length < 4) {
			sentence_length = num_words;
		}
		
		num_words -= sentence_length;
		
		sentence = [];
		
		for (ii = current; ii < (current + sentence_length); ii++) {
			sentence.push(words[ii]);
		}
		
		sentence = this.punctuate(sentence);
		current += sentence_length;
		sentences.push(sentence.join(' '));
	}
	
	return sentences.join(' ');
};

/**
 * Insert commas and periods in the given sentence.
 * @param {Array.string} sentence List of words in the sentence.
 * @return {Array.string} Sentence with punctuation added.
 */
LoremIpsum.prototype.punctuate = function (sentence) {
	var word_length, num_commas, ii, position;
	
	word_length = sentence.length;
	
	/* End the sentence with a period. */
	sentence[word_length - 1] += '.';
	
	if (word_length < 4) {
		return sentence;
	}
	
	num_commas = this.getRandomCommaCount(word_length);
	
	for (ii = 0; ii <= num_commas; ii++) {
		position = Math.round(ii * word_length / (num_commas + 1));
		
		if (position < (word_length - 1) && position > 0) {
			/* Add the comma. */
			sentence[position] += ',';
		}
	}
	
	/* Capitalize the first word in the sentence. */
	sentence[0] = sentence[0].charAt(0).toUpperCase() + sentence[0].slice(1);
	
	return sentence;
};

/**
 * Produces a random number of commas.
 * @param {number} word_length Number of words in the sentence.
 * @return {number} Random number of commas
 */
LoremIpsum.prototype.getRandomCommaCount = function (word_length) {
	var base, average, standard_deviation;
	
	/* Arbitrary. */
	base = 6;
	
	average = Math.log(word_length) / Math.log(base);
	standard_deviation = average / base;
	
	return Math.round(this.gaussMS(average, standard_deviation));
};

/**
 * Produces a random sentence length based on the average word length
 * of an English sentence.
 * @return {number} Random sentence length
 */
LoremIpsum.prototype.getRandomSentenceLength = function () {
	return Math.round(
			this.gaussMS(
					LoremIpsum.WORDS_PER_SENTENCE_AVG,
					LoremIpsum.WORDS_PER_SENTENCE_STD
			)
	);
};

/**
 * Produces a random number.
 * @return {number} Random number
 */
LoremIpsum.prototype.gauss = function () {
	return (Math.random() * 2 - 1) +
			(Math.random() * 2 - 1) +
			(Math.random() * 2 - 1);
};

/**
 * Produces a random number with Gaussian distribution.
 * @param {number} mean
 * @param {number} standard_deviation
 * @return {number} Random number
 */
LoremIpsum.prototype.gaussMS = function (mean, standard_deviation) {
	return Math.round(this.gauss() * standard_deviation + mean);
};
this.sharedData.tabSet.select(id);
console.log(this.sharedData.tabSet);
Observable.create(observer => {
    setTimeout(() => {
        this.sharedData.tabSet.select(id)
        observer.complete();
        console.log("Observer complete");
    }, 1);
})
.subscribe(
  result => {
      this.sharedData.tabSet.select(id);
      console.log("subscription complete");
  },
  err => console.error(err),
  () => {
      this.sharedData.tabSet.select(id);
      console.log(this.sharedData.tabSet.activeId);
      console.log('done');
  }
);


setTimeout(() => {
    this._watch = Observable.from(this.ngbTabset.tabs);
    this._watch.subscribe(
      x => console.log('onNext: %s', x),
      e => console.log('onError: %s', e),
      () => {
          var index = this.ngbTabset.tabs.length - 1;
          var lastTab = this.ngbTabset.tabs.last;
          console.log(this.ngbTabset.tabs);
          console.log(index);
          console.log(lastTab);
          this.ngbTabset.select(lastTab.id);
          console.log('onCompleted');
      });
})