import { Component } from '@angular/core';
import { ProductsComponent } from './products/products.component';

@Component({
  selector: 'my-app',
  template: `<products></products>`,
  directives: [ProductsComponent]
})
export class AppComponent {
}
// The usual bootstrapping imports
import { bootstrap }      from '@angular/platform-browser-dynamic';
import { AppComponent }   from './app.component';

bootstrap(AppComponent, []);
<!DOCTYPE html>
<html>
  <head>
    <title>From jQuery to Angular 2</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">

    <!-- Polyfill(s) for older browsers -->
    <script src="https://npmcdn.com/core-js/client/shim.min.js"></script>

    <script src="https://npmcdn.com/zone.js@0.6.12?main=browser"></script>
    <script src="https://npmcdn.com/reflect-metadata@0.1.3"></script>
    <script src="https://npmcdn.com/systemjs@0.19.27/dist/system.src.js"></script>

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

  <body>
    <my-app>Loading...</my-app>
  </body>
</html>


<!-- 
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
-->
/**
 * PLUNKER VERSION (based on systemjs.config.js in angular.io)
 * System configuration for Angular 2 samples
 * Adjust as necessary for your application needs.
 */
(function(global) {

  var ngVer = '@2.0.0-rc.3'; // lock in the angular package version; do not let it float to current!
  var routerVer = '@3.0.0-alpha.7'; // lock router version
  var formsVer = '@0.1.1'; // lock forms version

  //map tells the System loader where to look for things
  var  map = {
    'app':                        'app',

    '@angular':                   'https://npmcdn.com/@angular', // sufficient if we didn't pin the version
    '@angular/router':            'https://npmcdn.com/@angular/router' + routerVer,
    '@angular/forms':             'https://npmcdn.com/@angular/forms' + formsVer,
    'angular2-in-memory-web-api': 'https://npmcdn.com/angular2-in-memory-web-api', // get latest
    'rxjs':                       'https://npmcdn.com/rxjs@5.0.0-beta.6',
    'ts':                         'https://npmcdn.com/plugin-typescript@4.0.10/lib/plugin.js',
    'typescript':                 'https://npmcdn.com/typescript@1.9.0-dev.20160409/lib/typescript.js',
 };

  //packages tells the System loader how to load when no filename and/or no extension
  var packages = {
    'app':                        { main: 'main.ts',  defaultExtension: 'ts' },
    'rxjs':                       { defaultExtension: 'js' },
    'angular2-in-memory-web-api': { main: 'index.js', defaultExtension: 'js' },
  };

  var ngPackageNames = [
    'common',
    'compiler',
    'core',
    'http',
    'platform-browser',
    'platform-browser-dynamic',
    'router-deprecated',
    'upgrade',
  ];

  // Add map entries for each angular package
  // only because we're pinning the version with `ngVer`.
  ngPackageNames.forEach(function(pkgName) {
    map['@angular/'+pkgName] = 'https://npmcdn.com/@angular/' + pkgName + ngVer;
  });

  // Add package entries for angular packages
  ngPackageNames.forEach(function(pkgName) {

    // Bundled (~40 requests):
    packages['@angular/'+pkgName] = { main: '/bundles/' + pkgName + '.umd.js', defaultExtension: 'js' };

    // Individual files (~300 requests):
    //packages['@angular/'+pkgName] = { main: 'index.js', defaultExtension: 'js' };
  });

  // No umd for router yet
  packages['@angular/router'] = { main: 'index.js', defaultExtension: 'js' };

  // Forms not on rc yet
  packages['@angular/forms'] = { main: 'index.js', defaultExtension: 'js' };

  var config = {
    // DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
    transpiler: 'ts',
    typescriptOptions: {
      tsconfig: true
    },
    meta: {
      'typescript': {
        "exports": "ts"
      }
    },
    map: map,
    packages: packages
  };

  System.config(config);

})(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
  }
}
import { Injectable } from '@angular/core';
import { Product } from './product.model';

const PRODUCTS = [
  {"id": 1, "name": "Bag of suck", "price": 100, "details": "You don't want to own this!"},
  {"id": 2, "name": "Bag of luck", "price": 200, "details": "You might want to own this!"},
  {"id": 3, "name": "Bag of fuck", "price": 300, "details": "You really want to own this!"}
];

@Injectable()
export class ProductService {
  
  getProducts(): Product[] {
    return PRODUCTS;
  }
}
export class Product {
  id: number;
  name: string;
  price: number;
  details: string;
}
import { Component } from '@angular/core';
import { ProductService } from './product.service';

@Component({
  selector: 'products',
  templateUrl: 'app/products/products.component.html',
  styleUrls: ['app/products/products.component.css'],
  providers: [ProductService]
})
export class ProductsComponent {
  private products: Product[];
  private selectedItemId: number;
  private noneSelected: boolean;

  constructor(productService: ProductService) {
    this.products = productService.getProducts();
    this.noneSelected = true;
  }
  
  handleProductClick(selectedItem: Product) {
    if (this.selectedItemId === selectedItem.id) {
      this.selectedItemId = null;
      this.noneSelected = true;
      return;
    }
    
    this.noneSelected = false;
    this.selectedItemId = selectedItem.id;
  }
  
   
}
<ul>
  <li *ngFor="let product of products" 
    (click)="handleProductClick(product)" 
    [ngClass]="{collapsed : selectedItemId !== product.id && !noneSelected }">
      {{product.name}} ({{product.price}})
      <div *ngIf="selectedItemId === product.id">{{product.details}}</div>
  </li>
</ul>
.collapsed {
  color: grey;
}

li {
  cursor: pointer;
}