<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <title>angular2 playground</title>
    <link rel="stylesheet" href="style.css" />
    <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
    <script src="https://unpkg.com/zone.js/dist/zone.js"></script>
    <script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
    <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
    <script src="config.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
  </head>

  <body>
    <my-app>
    loading...
  </my-app>
  </body>

</html>
/* Styles go here */

### Angular Starter Plunker - Typescript
System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  paths: {
    'npm:': 'https://unpkg.com/'
  },
  //map tells the System loader where to look for things
  map: {
    
    'app': './scripts',
    
    '@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/core/testing': 'npm:@angular/core/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common/bundles/common-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router/bundles/router-testing.umd.js',
    
    'rxjs': 'npm:rxjs',
    'typescript': 'npm:typescript@2.0.2/lib/typescript.js'
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    }
  }
});
//our root app component
import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { AppComponent } from './app.component'
import { CustomerService }  from './customer.service';

@NgModule({
  imports: [ BrowserModule, 
            FormsModule,
            ReactiveFormsModule, ],
  declarations: [ AppComponent ],
  providers: [ CustomerService ],
  bootstrap: [ AppComponent ]
  
})
export class AppModule {}
//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app.module';

platformBrowserDynamic().bootstrapModule(AppModule)


export class RegionModel {
    regionId: number;
    name: string;
    customers: CustomerModel[];
}


export class CustomerModel {
    customerId: number;
    name: string;
    currentPeriod: number;
    previousPeriod: number;
}
import { Injectable } from '@angular/core';
import { CustomerModel, RegionModel } from './customer.model';
import 'rxjs/Rx';
import {Observable} from 'rxjs/Observable';

  export const CUSTOMERS: CustomerModel[] = [
    {customerId: 11, name: 'Mr. Nice' , currentPeriod: 10, previousPeriod: 8},
    {customerId: 12, name: 'Narco' , currentPeriod: 10, previousPeriod: 8},
    {customerId: 13, name: 'Bombasto' , currentPeriod: 10, previousPeriod: 8},
    {customerId: 14, name: 'Celeritas' , currentPeriod: 10, previousPeriod: 8},
    {customerId: 15, name: 'Magneta' , currentPeriod: 10, previousPeriod: 8},
    {customerId: 16, name: 'RubberMan' , currentPeriod: 10, previousPeriod: 8},
    {customerId: 17, name: 'Dynama' , currentPeriod: 10, previousPeriod: 8},
    {customerId: 18, name: 'Dr IQ' , currentPeriod: 10, previousPeriod: 8},
    {customerId: 19, name: 'Magma' , currentPeriod: 10, previousPeriod: 8},
    {customerId: 20, name: 'Tornado' , currentPeriod: 10, previousPeriod: 8}
  ];


@Injectable()
export class CustomerService  {

  getCustomerByRegion(regionId : number) : Observable<RegionModel[]> {
  
    let region = new RegionModel();
    region.id = regionId;
    region.name = "Asguard Province";
    region.customers = CUSTOMERS;
   
    return Observable.of(region);
  }
    
  
  
}
import {Component, OnInit} from '@angular/core'
import { CustomerModel, RegionModel } from './customer.model';
import { CustomerService } from './customer.service';
import 'rxjs/Rx';
import { FormGroup, FormArray, FormControl, Validators, FormBuilder } from '@angular/forms';

@Component({
  selector: 'my-app',
  template: `
    <div>
      <h2>RegionId: {{regionId}}</h2>
      <h2>Region:  {{region.name}}</h2>
      
    </div>
    <form [formGroup]="regionFormGroup">
      Region Name: <input type="text" formControlName="regionName" [(ngModel)]="region.name" />
      
      <div formArrayName="customersArray">
      
      <table class="simple-table">
        <tr>
          <th>Customer</th>
          <th>Current Period</th>
          <th>Previous Period</th>
        </tr>
        <tbody>
          <tr [formGroupName]="i" *ngFor="let customerGroup of regionFormGroup.controls.customersArray.controls; let i = index">
          <td>{{region.customers[i].name}} - index {{i}}</td>
          <td><input type="text" formControlName="currentPeriod" [(ngModel)]="region.customers[i].currentPeriod"/></td>
          <td><input type="text" formControlName="previousPeriod" [(ngModel)]="region.customers[i].previousPeriod"></td>
        </tr>
        </tbody>
        </table>
      
      </div> <!-- end: div FormArrayName -->

      
    </form>
    <br><br>
    <div>Region JSON: {{region | json}}</div>
  `,
})
export class AppComponent  implements OnInit {
  
  regionId: number = 5;
  region: RegionModel;
  regionFormGroup: FormGroup;
  
  constructor( private customerService: CustomerService,private fb: FormBuilder) {  }
  
  ngOnInit(): void {
    
    // initialize form
    this.regionFormGroup = new FormGroup({
      regionName: new FormControl(''),
      customersArray: new FormArray([])
    });
    
    // Retrieve data from datasource
    this.customerService.getCustomerByRegion(5)
      .subscribe( (reg: RegionModel )  => {
        this.region = reg;
        this.buildForm();
      });
  }
  
  buildForm = () : void => {
    
    const customersControls = <FormArray>this.regionFormGroup.controls['customersArray'];
    
    this.region.customers.forEach( (cust : CustomerModel) => {
      customersControls.push(this.createCustomerFormGroup(cust));
       console.log(customersControls);
    });
  }
  
  createCustomerFormGroup(cust: CustomerModel) {

        return this.fb.group({
            currentPeriod: [''],
            previousPeriod: ['']
        });

       
    }
  
}