<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <script type="text/javascript" charset="utf-8">
      window.AngularVersionForThisPlunker = 'latest'
    </script>
    <title>angular 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
var angularVersion;
if(window.AngularVersionForThisPlunker === 'latest'){
  angularVersion = ''; //picks up latest
}
else {
  angularVersion = '@' + window.AngularVersionForThisPlunker;
}

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': './src',
    '@angular/core': 'npm:@angular/core'+ angularVersion + '/bundles/core.umd.js',
    '@angular/common': 'npm:@angular/common' + angularVersion + '/bundles/common.umd.js',
    '@angular/compiler': 'npm:@angular/compiler' + angularVersion  + '/bundles/compiler.umd.js',
    '@angular/platform-browser': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic.umd.js',
    '@angular/http': 'npm:@angular/http' + angularVersion + '/bundles/http.umd.js',
    '@angular/router': 'npm:@angular/router' + angularVersion +'/bundles/router.umd.js',
    '@angular/forms': 'npm:@angular/forms' + angularVersion + '/bundles/forms.umd.js',
    '@angular/animations': 'npm:@angular/animations' + angularVersion + '/bundles/animations.umd.js',
    '@angular/platform-browser/animations': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-animations.umd.js',
    '@angular/animations/browser': 'npm:@angular/animations' + angularVersion + '/bundles/animations-browser.umd.js',
    
    '@angular/core/testing': 'npm:@angular/core' + angularVersion + '/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler' + angularVersion + '/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http' + angularVersion + '/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router' + angularVersion + '/bundles/router-testing.umd.js',
    'tslib': 'npm:tslib@1.6.1',
    'rxjs': 'npm:rxjs',
    'typescript': 'npm:typescript@2.2.1/lib/typescript.js'
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    }
  }
});
//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app';

platformBrowserDynamic().bootstrapModule(AppModule)
//our root app component
import {Component, NgModule, VERSION} from '@angular/core'
import {BrowserModule} from '@angular/platform-browser'
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { FormControl, FormGroup, OnInit } from '@angular/forms';

import { CustomInput } from 'src/custom-input';
import { CustomRange } from 'src/custom-range';

@Component({
  selector: 'my-app',
  template: `
    <div>
      <h2>{{name}}</h2>
        <br/>
        <h3> Reactive Forms</h3>
        <form [formGroup]="reactiveForm" novalidate>
          <custom-input [label]="'Name:'" formControlName="name" [(ngModel)]="customInputVal" ></custom-input>
          <custom-range [label]="'IQ Level:'" formControlName="iq" ></custom-range> 
          <input type="checkbox"  formControlName="interested" /> Interested in Angular?
        </form>
      <hr>  
      Value from Custom Input via ngModel : {{ customInputVal }} <br/>
      Value from Custom Input via Form Control Collection : {{ reactiveForm.controls.name.value  }}  <br/>
      Value from Custom Range via Form Control Collection : {{ reactiveForm.controls.iq.value  }}  <br/>
      Value from checkbox : {{ reactiveForm.controls.interested.value  }} <br/>
      {{  reactiveForm.value | json }}
      
       <h3> Template Driven Forms</h3>
      <form #form="ngForm" (ngSubmit)="logForm(form.value)">
        <custom-input [label]="'Name:'" name="name"  [(ngModel)]="customInputVal" ngModel ></custom-input>
        <custom-range [label]="'IQ Level:'" name="iq" ngModel></custom-range> 
        <input type="checkbox" name="interest" ngModel  /> Interested in Angular? <br/>
       <button type="submit">Submit</button>
      </form>
      
    </div>
  `,
})
export class App implements OnInit {
  
  reactiveForm: Form;
  name:string;
  
  ngOnInit(){
    
    this.reactiveForm = new FormGroup ({
                           name: new FormControl(''),
                           iq: new FormControl(100),
                           interested: new FormControl(false)
                          });  
  }
  
  
  constructor() {
    this.name = `Making your components ngModel enabled (ControlValueAccessor implemented)`
  }
  
  logForm(value){
    console.log(value);
  }
}

@NgModule({
  imports: [ BrowserModule, FormsModule,  ReactiveFormsModule ],
  declarations: [ App, CustomInput, CustomRange ],
  bootstrap: [ App ]
})
export class AppModule {}
import { Component, Input, forwardRef } from '@angular/core';
import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';

const customValueProvider = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => CustomInput),
    multi: true
};

@Component({
  selector: 'custom-input',
  template:` 
    <div class="custom-input">
      {{ label }}
      <input type="text" (input)="onChange($event)"  />
    </div>
  `
  providers: [ {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => CustomInput),
    multi: true
} ]
})
export class CustomInput implements ControlValueAccessor {
  
  @Input() label: string;
  
  _value = '';
  propagateChange:any = () => {};
  
  writeValue(value: any) {
    if( value ){
      this._value = value;  
    }
  }
  
  registerOnChange(fn) {
    this.propagateChange = fn;
  }
  registerOnTouched(fn: () => void): void { }
  
  onChange(event){
    this.propagateChange(event.target.value);
  }

}
import { Component, Input, forwardRef } from '@angular/core';
import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';

const customValueProvider = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => CustomRange),
    multi: true
};

@Component({
  selector: 'custom-range',
  template:` 
    <div class="custom-range">
      {{ label }}
      <input type="range" min=0 max=500 [(ngModel)]="current" (input)="onChange($event)"   /> {{ current }}
    </div>
  `
  providers: [ customValueProvider ]
})
export class CustomRange implements ControlValueAccessor {
  
  @Input()
  label: string;
  current: number;
  
  get value(){
    return this._value;
  }
  
  constructor(){
    this.current = 0; // Default value
  }
  
  propagateChange:any = () => {};
  
  _value: any = '';
  writeValue(value: any) {
    if( value ){ // If use did not pass in initial value or passed 0, do nothing
      this.current = value;
    }
  }
  
  registerOnChange(fn) {
    this.propagateChange = fn;
  }
  registerOnTouched(fn: () => void): void { }
  
  onChange(event){
    this.propagateChange(event.target.value);
  }
  
}