docs(aio): update migrated content from anguar.io
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Peter Bacon Darwin
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Pete Bacon Darwin
Pete Bacon Darwin
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commit
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// #docregion
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import { Component } from '@angular/core';
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@Component({
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selector: 'my-app',
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template: `
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<div class="container">
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<h1>Reactive Forms</h1>
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<hero-detail></hero-detail>
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</div>`
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})
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export class AppComponent { }
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12
aio/content/examples/reactive-forms/src/app/app.component.ts
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12
aio/content/examples/reactive-forms/src/app/app.component.ts
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// #docregion
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import { Component } from '@angular/core';
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@Component({
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selector: 'my-app',
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template: `
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<div class="container">
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<h1>Reactive Forms</h1>
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<hero-list></hero-list>
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</div>`
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})
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export class AppComponent { }
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39
aio/content/examples/reactive-forms/src/app/app.module.ts
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39
aio/content/examples/reactive-forms/src/app/app.module.ts
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// #docplaster
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// #docregion
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// #docregion v1
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import { NgModule } from '@angular/core';
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import { BrowserModule } from '@angular/platform-browser';
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import { ReactiveFormsModule } from '@angular/forms'; // <-- #1 import module
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import { AppComponent } from './app.component';
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import { HeroDetailComponent } from './hero-detail.component'; // <-- #1 import component
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// #enddocregion v1
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import { HeroListComponent } from './hero-list.component';
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import { HeroService } from './hero.service'; // <-- #1 import service
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// #docregion v1
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@NgModule({
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imports: [
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BrowserModule,
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ReactiveFormsModule // <-- #2 add to Angular module imports
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],
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declarations: [
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AppComponent,
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HeroDetailComponent, // <-- #3 declare app component
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// #enddocregion v1
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HeroListComponent
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// #docregion v1
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],
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// #enddocregion v1
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exports: [ // export for the DemoModule
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AppComponent,
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HeroDetailComponent,
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HeroListComponent
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],
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providers: [ HeroService ], // <-- #4 provide HeroService
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// #docregion v1
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bootstrap: [ AppComponent ]
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})
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export class AppModule { }
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// #enddocregion v1
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40
aio/content/examples/reactive-forms/src/app/data-model.ts
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40
aio/content/examples/reactive-forms/src/app/data-model.ts
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// #docregion
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// #docregion model-classes
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export class Hero {
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id = 0;
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name = '';
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addresses: Address[];
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}
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export class Address {
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street = '';
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city = '';
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state = '';
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zip = '';
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}
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// #enddocregion model-classes
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export const heroes: Hero[] = [
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{
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id: 1,
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name: 'Whirlwind',
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addresses: [
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{street: '123 Main', city: 'Anywhere', state: 'CA', zip: '94801'},
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{street: '456 Maple', city: 'Somewhere', state: 'VA', zip: '23226'},
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]
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},
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{
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id: 2,
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name: 'Bombastic',
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addresses: [
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{street: '789 Elm', city: 'Smallville', state: 'OH', zip: '04501'},
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]
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},
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{
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id: 3,
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name: 'Magneta',
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addresses: [ ]
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},
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];
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export const states = ['CA', 'MD', 'OH', 'VA'];
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<div class="container">
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<h1>Reactive Forms</h1>
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<h4><i>Pick a demo:</i>
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<select [selectedIndex]="demo - 1" (change)="selectDemo($event.target.selectedIndex)">
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<option *ngFor="let demo of demos">{{demo}}</option>
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</select>
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</h4>
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<hr>
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<div class="demo">
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<hero-list *ngIf="demo===final"></hero-list>
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<hero-detail-1 *ngIf="demo===1"></hero-detail-1>
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<hero-detail-2 *ngIf="demo===2"></hero-detail-2>
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<hero-detail-3 *ngIf="demo===3"></hero-detail-3>
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<hero-detail-4 *ngIf="demo===4"></hero-detail-4>
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<hero-detail-5 *ngIf="demo===5"></hero-detail-5>
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<div *ngIf="demo >= 6 && demo !== final" >
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<h3 *ngIf="isLoading"><i>Loading heroes ... </i></h3>
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<h3 *ngIf="!isLoading">Select a hero:</h3>
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<nav>
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<button (click)="getHeroes()" class="btn btn-primary">Refresh</button>
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<a *ngFor="let hero of heroes | async" (click)="select(hero)">{{hero.name}}</a>
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</nav>
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<div *ngIf="selectedHero">
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<hr>
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<h2>Hero Detail</h2>
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<h3>Editing: {{selectedHero.name}}</h3>
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<hero-detail-6 [hero]=selectedHero *ngIf="demo===6"></hero-detail-6>
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<hero-detail-7 [hero]=selectedHero *ngIf="demo===7"></hero-detail-7>
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<hero-detail-8 [hero]=selectedHero *ngIf="demo===8"></hero-detail-8>
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</div>
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</div>
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</div>
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</div>
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/* tslint:disable:member-ordering */
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import { Component } from '@angular/core';
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import { Observable } from 'rxjs/Observable';
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import { Hero } from './data-model';
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import { HeroService } from './hero.service';
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@Component({
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selector: 'my-app',
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templateUrl: './demo.component.html'
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})
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export class DemoComponent {
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demos: string[] = [
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'Just a FormControl',
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'FormControl in a FormGroup',
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'Simple FormBuilder group',
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'Group with multiple controls',
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'Nested FormBuilder group',
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'PatchValue',
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'SetValue',
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'FormArray',
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'Final'].map(n => n + ' Demo');
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final = this.demos.length;
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demo = this.final; // current demo
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heroes: Observable<Hero[]>;
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isLoading = false;
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selectedHero: Hero;
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constructor(private heroService: HeroService) { }
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getHeroes() {
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this.isLoading = true;
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this.heroes = this.heroService.getHeroes()
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.finally(() => this.isLoading = false);
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this.selectedHero = undefined;
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}
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select(hero: Hero) { this.selectedHero = hero; }
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selectDemo(demo: number) {
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this.demo = demo + 1;
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this.getHeroes();
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}
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}
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33
aio/content/examples/reactive-forms/src/app/demo.module.ts
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33
aio/content/examples/reactive-forms/src/app/demo.module.ts
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import { NgModule } from '@angular/core';
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import { BrowserModule } from '@angular/platform-browser';
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import { ReactiveFormsModule } from '@angular/forms';
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import { AppModule } from './app.module';
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import { DemoComponent } from './demo.component';
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import { HeroDetailComponent1 } from './hero-detail-1.component';
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import { HeroDetailComponent2 } from './hero-detail-2.component';
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import { HeroDetailComponent3 } from './hero-detail-3.component';
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import { HeroDetailComponent4 } from './hero-detail-4.component';
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import { HeroDetailComponent5 } from './hero-detail-5.component';
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import { HeroDetailComponent6 } from './hero-detail-6.component';
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import { HeroDetailComponent7 } from './hero-detail-7.component';
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import { HeroDetailComponent8 } from './hero-detail-8.component';
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@NgModule({
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imports: [
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BrowserModule,
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ReactiveFormsModule,
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AppModule,
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],
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declarations: [ DemoComponent,
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HeroDetailComponent1,
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HeroDetailComponent2,
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HeroDetailComponent3,
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HeroDetailComponent4,
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HeroDetailComponent5,
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HeroDetailComponent6,
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HeroDetailComponent7,
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HeroDetailComponent8],
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bootstrap: [ DemoComponent ]
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})
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export class DemoModule { }
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<!-- #docregion simple-control-->
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<h2>Hero Detail</h2>
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<h3><i>Just a FormControl</i></h3>
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<label class="center-block">Name:
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<input class="form-control" [formControl]="name">
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</label>
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<!-- #enddocregion simple-control-->
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/* tslint:disable:component-class-suffix */
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// #docregion imports
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import { Component } from '@angular/core';
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import { FormControl } from '@angular/forms';
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// #enddocregion
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@Component({
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selector: 'hero-detail-1',
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templateUrl: './hero-detail-1.component.html'
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})
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// #docregion v1
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export class HeroDetailComponent1 {
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name = new FormControl();
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}
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<!-- #docregion basic-form-->
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<h2>Hero Detail</h2>
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<h3><i>FormControl in a FormGroup</i></h3>
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<form [formGroup]="heroForm" novalidate>
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<div class="form-group">
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<label class="center-block">Name:
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<input class="form-control" formControlName="name">
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</label>
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</div>
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</form>
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<!-- #enddocregion basic-form-->
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<!-- #docregion form-value-json -->
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<p>Form value: {{ heroForm.value | json }}</p>
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<!-- #enddocregion form-value-json -->
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/* tslint:disable:component-class-suffix */
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// #docregion imports
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import { Component } from '@angular/core';
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import { FormControl, FormGroup } from '@angular/forms';
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// #enddocregion imports
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@Component({
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selector: 'hero-detail-2',
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templateUrl: './hero-detail-2.component.html'
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})
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// #docregion v2
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export class HeroDetailComponent2 {
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heroForm = new FormGroup ({
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name: new FormControl()
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});
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}
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// #enddocregion v2
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<!-- #docregion basic-form-->
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<h2>Hero Detail</h2>
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<h3><i>A FormGroup with a single FormControl using FormBuilder</i></h3>
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<form [formGroup]="heroForm" novalidate>
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<div class="form-group">
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<label class="center-block">Name:
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<input class="form-control" formControlName="name">
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</label>
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</div>
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</form>
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<!-- #enddocregion basic-form-->
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<!-- #docregion form-value-json -->
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<p>Form value: {{ heroForm.value | json }}</p>
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<p>Form status: {{ heroForm.status | json }}</p>
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<!-- #enddocregion form-value-json -->
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/* tslint:disable:component-class-suffix */
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// #docregion imports
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import { Component } from '@angular/core';
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import { FormBuilder, FormGroup, Validators } from '@angular/forms';
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// #enddocregion imports
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@Component({
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selector: 'hero-detail-3',
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templateUrl: './hero-detail-3.component.html'
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})
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// #docregion v3
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export class HeroDetailComponent3 {
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heroForm: FormGroup; // <--- heroForm is of type FormGroup
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constructor(private fb: FormBuilder) { // <--- inject FormBuilder
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this.createForm();
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}
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createForm() {
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// #docregion required
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this.heroForm = this.fb.group({
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name: ['', Validators.required ],
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});
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// #enddocregion required
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}
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}
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// #enddocregion v3
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/* tslint:disable:component-class-suffix */
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// #docregion imports
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import { Component } from '@angular/core';
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import { FormBuilder, FormGroup } from '@angular/forms';
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// #enddocregion imports
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@Component({
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selector: 'hero-detail-3',
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templateUrl: './hero-detail-3.component.html'
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})
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// #docregion v3a
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export class HeroDetailComponent3 {
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heroForm: FormGroup; // <--- heroForm is of type FormGroup
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constructor(private fb: FormBuilder) { // <--- inject FormBuilder
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this.createForm();
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}
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createForm() {
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this.heroForm = this.fb.group({
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name: '', // <--- the FormControl called "name"
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});
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}
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}
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// #enddocregion v3a
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<!-- #docregion -->
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<h2>Hero Detail</h2>
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<h3><i>A FormGroup with multiple FormControls</i></h3>
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<form [formGroup]="heroForm" novalidate>
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<div class="form-group">
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<label class="center-block">Name:
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<input class="form-control" formControlName="name">
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</label>
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</div>
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<div class="form-group">
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<label class="center-block">Street:
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<input class="form-control" formControlName="street">
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</label>
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</div>
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<div class="form-group">
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<label class="center-block">City:
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<input class="form-control" formControlName="city">
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</label>
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</div>
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<div class="form-group">
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<label class="center-block">State:
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<select class="form-control" formControlName="state">
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<option *ngFor="let state of states" [value]="state">{{state}}</option>
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</select>
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</label>
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</div>
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<div class="form-group">
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<label class="center-block">Zip Code:
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<input class="form-control" formControlName="zip">
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</label>
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</div>
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<div class="form-group radio">
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<h4>Super power:</h4>
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<label class="center-block"><input type="radio" formControlName="power" value="flight">Flight</label>
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<label class="center-block"><input type="radio" formControlName="power" value="x-ray vision">X-ray vision</label>
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<label class="center-block"><input type="radio" formControlName="power" value="strength">Strength</label>
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</div>
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<div class="checkbox">
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<label class="center-block">
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<input type="checkbox" formControlName="sidekick">I have a sidekick.
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</label>
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</div>
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</form>
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<p>Form value: {{ heroForm.value | json }}</p>
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@ -0,0 +1,34 @@
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/* tslint:disable:component-class-suffix */
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// #docregion imports
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import { Component } from '@angular/core';
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import { FormBuilder, FormGroup, Validators } from '@angular/forms';
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import { states } from './data-model';
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// #enddocregion imports
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@Component({
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selector: 'hero-detail-4',
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templateUrl: './hero-detail-4.component.html'
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})
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// #docregion v4
|
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export class HeroDetailComponent4 {
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heroForm: FormGroup;
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states = states;
|
||||
|
||||
constructor(private fb: FormBuilder) {
|
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this.createForm();
|
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}
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|
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createForm() {
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this.heroForm = this.fb.group({
|
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name: ['', Validators.required ],
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street: '',
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city: '',
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state: '',
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zip: '',
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power: '',
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||||
sidekick: ''
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});
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||||
}
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}
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// #enddocregion v4
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<form [formGroup]="heroForm" novalidate>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Name:
|
||||
<input class="form-control" formControlName="name">
|
||||
</label>
|
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</div>
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||||
<!-- #docregion add-group-->
|
||||
<div formGroupName="address" class="well well-lg">
|
||||
<h4>Secret Lair</h4>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Street:
|
||||
<input class="form-control" formControlName="street">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">City:
|
||||
<input class="form-control" formControlName="city">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">State:
|
||||
<select class="form-control" formControlName="state">
|
||||
<option *ngFor="let state of states" [value]="state">{{state}}</option>
|
||||
</select>
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Zip Code:
|
||||
<input class="form-control" formControlName="zip">
|
||||
</label>
|
||||
</div>
|
||||
</div>
|
||||
<!-- #enddocregion add-group-->
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||||
<div class="form-group radio">
|
||||
<h4>Super power:</h4>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="flight">Flight</label>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="x-ray vision">X-ray vision</label>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="strength">Strength</label>
|
||||
</div>
|
||||
<div class="checkbox">
|
||||
<label class="center-block">
|
||||
<input type="checkbox" formControlName="sidekick">I have a sidekick.
|
||||
</label>
|
||||
</div>
|
||||
</form>
|
||||
|
||||
<p>heroForm value: {{ heroForm.value | json}}</p>
|
||||
<h4>Extra info for the curious:</h4>
|
||||
<!-- #docregion inspect-value -->
|
||||
<p>Name value: {{ heroForm.get('name').value }}</p>
|
||||
<!-- #enddocregion inspect-value -->
|
||||
|
||||
<!-- #docregion inspect-child-control -->
|
||||
<p>Street value: {{ heroForm.get('address.street').value}}</p>
|
||||
<!-- #enddocregion inspect-child-control -->
|
||||
@ -0,0 +1,35 @@
|
||||
/* tslint:disable:component-class-suffix */
|
||||
import { Component } from '@angular/core';
|
||||
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
|
||||
|
||||
import { states } from './data-model';
|
||||
|
||||
@Component({
|
||||
selector: 'hero-detail-5',
|
||||
templateUrl: './hero-detail-5.component.html'
|
||||
})
|
||||
// #docregion v5
|
||||
export class HeroDetailComponent5 {
|
||||
heroForm: FormGroup;
|
||||
states = states;
|
||||
|
||||
constructor(private fb: FormBuilder) {
|
||||
this.createForm();
|
||||
}
|
||||
|
||||
createForm() {
|
||||
this.heroForm = this.fb.group({ // <-- the parent FormGroup
|
||||
name: ['', Validators.required ],
|
||||
address: this.fb.group({ // <-- the child FormGroup
|
||||
street: '',
|
||||
city: '',
|
||||
state: '',
|
||||
zip: ''
|
||||
}),
|
||||
power: '',
|
||||
sidekick: ''
|
||||
});
|
||||
}
|
||||
}
|
||||
// #enddocregion v5
|
||||
|
||||
@ -0,0 +1,46 @@
|
||||
<!-- #docregion -->
|
||||
<h2>Hero Detail</h2>
|
||||
<h3><i>PatchValue to initialize a value</i></h3>
|
||||
<form [formGroup]="heroForm" novalidate>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Name:
|
||||
<input class="form-control" formControlName="name">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Street:
|
||||
<input class="form-control" formControlName="street">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">City:
|
||||
<input class="form-control" formControlName="city">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">State:
|
||||
<select class="form-control" formControlName="state">
|
||||
<option *ngFor="let state of states" [value]="state">{{state}}</option>
|
||||
</select>
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Zip Code:
|
||||
<input class="form-control" formControlName="zip">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group radio">
|
||||
<h4>Super power:</h4>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="flight">Flight</label>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="x-ray vision">X-ray vision</label>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="strength">Strength</label>
|
||||
</div>
|
||||
<div class="checkbox">
|
||||
<label class="center-block">
|
||||
<input type="checkbox" formControlName="sidekick">I have a sidekick.
|
||||
</label>
|
||||
</div>
|
||||
</form>
|
||||
|
||||
|
||||
<p>Form value: {{ heroForm.value | json }}</p>
|
||||
@ -0,0 +1,58 @@
|
||||
/* tslint:disable:component-class-suffix */
|
||||
// #docregion import-input
|
||||
import { Component, Input, OnChanges } from '@angular/core';
|
||||
// #enddocregion import-input
|
||||
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
|
||||
|
||||
// #docregion import-hero
|
||||
import { Hero, states } from './data-model';
|
||||
// #enddocregion import-hero
|
||||
|
||||
////////// 6 ////////////////////
|
||||
|
||||
@Component({
|
||||
selector: 'hero-detail-6',
|
||||
templateUrl: './hero-detail-5.component.html'
|
||||
})
|
||||
// #docregion v6
|
||||
export class HeroDetailComponent6 implements OnChanges {
|
||||
// #docregion hero
|
||||
@Input() hero: Hero;
|
||||
// #enddocregion hero
|
||||
|
||||
heroForm: FormGroup;
|
||||
states = states;
|
||||
|
||||
constructor(private fb: FormBuilder) {
|
||||
this.createForm();
|
||||
}
|
||||
|
||||
createForm() {
|
||||
// #docregion hero-form-model
|
||||
this.heroForm = this.fb.group({
|
||||
name: ['', Validators.required ],
|
||||
address: this.fb.group({
|
||||
street: '',
|
||||
city: '',
|
||||
state: '',
|
||||
zip: ''
|
||||
}),
|
||||
power: '',
|
||||
sidekick: ''
|
||||
});
|
||||
// #enddocregion hero-form-model
|
||||
}
|
||||
|
||||
// #docregion patch-value-on-changes
|
||||
ngOnChanges() { // <-- wrap patchValue in ngOnChanges
|
||||
this.heroForm.reset();
|
||||
// #docregion patch-value
|
||||
this.heroForm.patchValue({
|
||||
name: this.hero.name
|
||||
});
|
||||
// #enddocregion patch-value
|
||||
}
|
||||
// #enddocregion patch-value-on-changes
|
||||
}
|
||||
|
||||
// #enddocregion v6
|
||||
@ -0,0 +1,46 @@
|
||||
<!-- #docregion -->
|
||||
<h2>Hero Detail</h2>
|
||||
<h3><i>A FormGroup with multiple FormControls</i></h3>
|
||||
<form [formGroup]="heroForm" novalidate>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Name:
|
||||
<input class="form-control" formControlName="name">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Street:
|
||||
<input class="form-control" formControlName="street">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">City:
|
||||
<input class="form-control" formControlName="city">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">State:
|
||||
<select class="form-control" formControlName="state">
|
||||
<option *ngFor="let state of states" [value]="state">{{state}}</option>
|
||||
</select>
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Zip Code:
|
||||
<input class="form-control" formControlName="zip">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group radio">
|
||||
<h4>Super power:</h4>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="flight">Flight</label>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="x-ray vision">X-ray vision</label>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="strength">Strength</label>
|
||||
</div>
|
||||
<div class="checkbox">
|
||||
<label class="center-block">
|
||||
<input type="checkbox" formControlName="sidekick">I have a sidekick.
|
||||
</label>
|
||||
</div>
|
||||
</form>
|
||||
|
||||
|
||||
<p>Form value: {{ heroForm.value | json }}</p>
|
||||
@ -0,0 +1,69 @@
|
||||
/* tslint:disable:component-class-suffix */
|
||||
// #docplaster
|
||||
// #docregion imports
|
||||
import { Component, Input, OnChanges } from '@angular/core';
|
||||
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
|
||||
|
||||
// #docregion import-address
|
||||
import { Address, Hero, states } from './data-model';
|
||||
// #enddocregion import-address
|
||||
|
||||
// #enddocregion imports
|
||||
|
||||
@Component({
|
||||
selector: 'hero-detail-7',
|
||||
templateUrl: './hero-detail-5.component.html'
|
||||
})
|
||||
// #docregion v7
|
||||
export class HeroDetailComponent7 implements OnChanges {
|
||||
@Input() hero: Hero;
|
||||
|
||||
heroForm: FormGroup;
|
||||
states = states;
|
||||
|
||||
constructor(private fb: FormBuilder) {
|
||||
this.createForm();
|
||||
}
|
||||
|
||||
createForm() {
|
||||
// #docregion address-form-group
|
||||
this.heroForm = this.fb.group({
|
||||
name: ['', Validators.required ],
|
||||
address: this.fb.group(new Address()), // <-- a FormGroup with a new address
|
||||
power: '',
|
||||
sidekick: ''
|
||||
});
|
||||
// #enddocregion address-form-group
|
||||
}
|
||||
|
||||
// #docregion ngOnChanges
|
||||
ngOnChanges() {
|
||||
this.heroForm.reset({
|
||||
name: this.hero.name,
|
||||
address: this.hero.addresses[0] || new Address()
|
||||
});
|
||||
}
|
||||
// #enddocregion ngOnChanges
|
||||
|
||||
/* First version of ngOnChanges
|
||||
// #docregion ngOnChanges-1
|
||||
ngOnChanges()
|
||||
// #enddocregion ngOnChanges-1
|
||||
*/
|
||||
ngOnChanges1() {
|
||||
// #docregion reset
|
||||
this.heroForm.reset();
|
||||
// #enddocregion reset
|
||||
// #docregion ngOnChanges-1
|
||||
// #docregion set-value
|
||||
this.heroForm.setValue({
|
||||
name: this.hero.name,
|
||||
// #docregion set-value-address
|
||||
address: this.hero.addresses[0] || new Address()
|
||||
// #enddocregion set-value-address
|
||||
});
|
||||
// #enddocregion set-value
|
||||
}
|
||||
// #enddocregion ngOnChanges-1
|
||||
}
|
||||
|
||||
@ -0,0 +1,70 @@
|
||||
<!-- #docplaster-->
|
||||
<h3><i>Using FormArray to add groups</i></h3>
|
||||
|
||||
<form [formGroup]="heroForm" novalidate>
|
||||
<p>Form Changed: {{ heroForm.dirty }}</p>
|
||||
|
||||
<div class="form-group">
|
||||
<label class="center-block">Name:
|
||||
<input class="form-control" formControlName="name">
|
||||
</label>
|
||||
</div>
|
||||
<!-- #docregion form-array-->
|
||||
<!-- #docregion form-array-skeleton -->
|
||||
<div formArrayName="secretLairs" class="well well-lg">
|
||||
<div *ngFor="let address of secretLairs.controls; let i=index" [formGroupName]="i" >
|
||||
<!-- The repeated address template -->
|
||||
<!-- #enddocregion form-array-skeleton -->
|
||||
<h4>Address #{{i + 1}}</h4>
|
||||
<div style="margin-left: 1em;">
|
||||
<div class="form-group">
|
||||
<label class="center-block">Street:
|
||||
<input class="form-control" formControlName="street">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">City:
|
||||
<input class="form-control" formControlName="city">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">State:
|
||||
<select class="form-control" formControlName="state">
|
||||
<option *ngFor="let state of states" [value]="state">{{state}}</option>
|
||||
</select>
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Zip Code:
|
||||
<input class="form-control" formControlName="zip">
|
||||
</label>
|
||||
</div>
|
||||
</div>
|
||||
<br>
|
||||
<!-- End of the repeated address template -->
|
||||
<!-- #docregion form-array-skeleton -->
|
||||
</div>
|
||||
<!-- #enddocregion form-array-skeleton -->
|
||||
<!-- #enddocregion form-array-->
|
||||
<!-- #docregion add-lair -->
|
||||
<button (click)="addLair()" type="button">Add a Secret Lair</button>
|
||||
<!-- #enddocregion add-lair -->
|
||||
<!-- #docregion form-array-->
|
||||
<!-- #docregion form-array-skeleton -->
|
||||
</div>
|
||||
<!-- #enddocregion form-array-skeleton -->
|
||||
<!-- #enddocregion form-array-->
|
||||
<div class="form-group radio">
|
||||
<h4>Super power:</h4>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="flight">Flight</label>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="x-ray vision">X-ray vision</label>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="strength">Strength</label>
|
||||
</div>
|
||||
<div class="checkbox">
|
||||
<label class="center-block">
|
||||
<input type="checkbox" formControlName="sidekick">I have a sidekick.
|
||||
</label>
|
||||
</div>
|
||||
</form>
|
||||
|
||||
<p>heroForm value: {{ heroForm.value | json}}</p>
|
||||
@ -0,0 +1,68 @@
|
||||
/* tslint:disable:component-class-suffix */
|
||||
// #docregion imports
|
||||
import { Component, Input, OnChanges } from '@angular/core';
|
||||
import { FormArray, FormBuilder, FormGroup, Validators } from '@angular/forms';
|
||||
|
||||
import { Address, Hero, states } from './data-model';
|
||||
// #enddocregion imports
|
||||
|
||||
@Component({
|
||||
selector: 'hero-detail-8',
|
||||
templateUrl: './hero-detail-8.component.html'
|
||||
})
|
||||
// #docregion v8
|
||||
export class HeroDetailComponent8 implements OnChanges {
|
||||
@Input() hero: Hero;
|
||||
|
||||
heroForm: FormGroup;
|
||||
states = states;
|
||||
|
||||
// #docregion ctor
|
||||
constructor(private fb: FormBuilder) {
|
||||
this.createForm();
|
||||
this.logNameChange();
|
||||
}
|
||||
// #enddocregion ctor
|
||||
|
||||
createForm() {
|
||||
// #docregion secretLairs-form-array
|
||||
this.heroForm = this.fb.group({
|
||||
name: ['', Validators.required ],
|
||||
secretLairs: this.fb.array([]), // <-- secretLairs as an empty FormArray
|
||||
power: '',
|
||||
sidekick: ''
|
||||
});
|
||||
// #enddocregion secretLairs-form-array
|
||||
}
|
||||
|
||||
logNameChange() {/* Coming soon */}
|
||||
|
||||
// #docregion onchanges
|
||||
ngOnChanges() {
|
||||
this.heroForm.reset({
|
||||
name: this.hero.name
|
||||
});
|
||||
this.setAddresses(this.hero.addresses);
|
||||
}
|
||||
// #enddocregion onchanges
|
||||
|
||||
// #docregion get-secret-lairs
|
||||
get secretLairs(): FormArray {
|
||||
return this.heroForm.get('secretLairs') as FormArray;
|
||||
};
|
||||
// #enddocregion get-secret-lairs
|
||||
|
||||
// #docregion set-addresses
|
||||
setAddresses(addresses: Address[]) {
|
||||
const addressFGs = addresses.map(address => this.fb.group(address));
|
||||
const addressFormArray = this.fb.array(addressFGs);
|
||||
this.heroForm.setControl('secretLairs', addressFormArray);
|
||||
}
|
||||
// #enddocregion set-addresses
|
||||
|
||||
// #docregion add-lair
|
||||
addLair() {
|
||||
this.secretLairs.push(this.fb.group(new Address()));
|
||||
}
|
||||
// #enddocregion add-lair
|
||||
}
|
||||
@ -0,0 +1,73 @@
|
||||
<!-- #docplaster -->
|
||||
<!-- #docregion -->
|
||||
<!-- #docregion buttons -->
|
||||
<form [formGroup]="heroForm" (ngSubmit)="onSubmit()" novalidate>
|
||||
<div style="margin-bottom: 1em">
|
||||
<button type="submit"
|
||||
[disabled]="heroForm.pristine" class="btn btn-success">Save</button>
|
||||
<button type="reset" (click)="revert()"
|
||||
[disabled]="heroForm.pristine" class="btn btn-danger">Revert</button>
|
||||
</div>
|
||||
|
||||
<!-- Hero Detail Controls -->
|
||||
<!-- #enddocregion buttons -->
|
||||
<div class="form-group">
|
||||
<label class="center-block">Name:
|
||||
<input class="form-control" formControlName="name">
|
||||
</label>
|
||||
</div>
|
||||
|
||||
<div formArrayName="secretLairs" class="well well-lg">
|
||||
<div *ngFor="let address of secretLairs.controls; let i=index" [formGroupName]="i" >
|
||||
<!-- The repeated address template -->
|
||||
<h4>Address #{{i + 1}}</h4>
|
||||
<div style="margin-left: 1em;">
|
||||
<div class="form-group">
|
||||
<label class="center-block">Street:
|
||||
<input class="form-control" formControlName="street">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">City:
|
||||
<input class="form-control" formControlName="city">
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">State:
|
||||
<select class="form-control" formControlName="state">
|
||||
<option *ngFor="let state of states" [value]="state">{{state}}</option>
|
||||
</select>
|
||||
</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<label class="center-block">Zip Code:
|
||||
<input class="form-control" formControlName="zip">
|
||||
</label>
|
||||
</div>
|
||||
</div>
|
||||
<br>
|
||||
<!-- End of the repeated address template -->
|
||||
</div>
|
||||
<button (click)="addLair()" type="button">Add a Secret Lair</button>
|
||||
</div>
|
||||
<!-- #docregion buttons -->
|
||||
<div class="form-group radio">
|
||||
<h4>Super power:</h4>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="flight">Flight</label>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="x-ray vision">X-ray vision</label>
|
||||
<label class="center-block"><input type="radio" formControlName="power" value="strength">Strength</label>
|
||||
</div>
|
||||
<div class="checkbox">
|
||||
<label class="center-block">
|
||||
<input type="checkbox" formControlName="sidekick">I have a sidekick.
|
||||
</label>
|
||||
</div>
|
||||
</form>
|
||||
<!-- #enddocregion buttons -->
|
||||
|
||||
<p>heroForm value: {{ heroForm.value | json}}</p>
|
||||
|
||||
<!-- #docregion name-change-log -->
|
||||
<h4>Name change log</h4>
|
||||
<div *ngFor="let name of nameChangeLog">{{name}}</div>
|
||||
<!-- #enddocregion name-change-log -->
|
||||
@ -0,0 +1,107 @@
|
||||
// #docplaster
|
||||
// #docregion
|
||||
import { Component, Input, OnChanges } from '@angular/core';
|
||||
import { FormArray, FormBuilder, FormGroup } from '@angular/forms';
|
||||
|
||||
import { Address, Hero, states } from './data-model';
|
||||
// #docregion import-service
|
||||
import { HeroService } from './hero.service';
|
||||
// #enddocregion import-service
|
||||
|
||||
// #docregion metadata
|
||||
@Component({
|
||||
selector: 'hero-detail',
|
||||
templateUrl: './hero-detail.component.html'
|
||||
})
|
||||
// #enddocregion metadata
|
||||
export class HeroDetailComponent implements OnChanges {
|
||||
@Input() hero: Hero;
|
||||
|
||||
heroForm: FormGroup;
|
||||
// #docregion log-name-change
|
||||
nameChangeLog: string[] = [];
|
||||
// #enddocregion log-name-change
|
||||
states = states;
|
||||
|
||||
// #docregion ctor
|
||||
constructor(
|
||||
private fb: FormBuilder,
|
||||
private heroService: HeroService) {
|
||||
|
||||
this.createForm();
|
||||
this.logNameChange();
|
||||
}
|
||||
// #enddocregion ctor
|
||||
|
||||
createForm() {
|
||||
this.heroForm = this.fb.group({
|
||||
name: '',
|
||||
secretLairs: this.fb.array([]),
|
||||
power: '',
|
||||
sidekick: ''
|
||||
});
|
||||
}
|
||||
|
||||
ngOnChanges() {
|
||||
this.heroForm.reset({
|
||||
name: this.hero.name
|
||||
});
|
||||
this.setAddresses(this.hero.addresses);
|
||||
}
|
||||
|
||||
get secretLairs(): FormArray {
|
||||
return this.heroForm.get('secretLairs') as FormArray;
|
||||
};
|
||||
|
||||
setAddresses(addresses: Address[]) {
|
||||
const addressFGs = addresses.map(address => this.fb.group(address));
|
||||
const addressFormArray = this.fb.array(addressFGs);
|
||||
this.heroForm.setControl('secretLairs', addressFormArray);
|
||||
}
|
||||
|
||||
addLair() {
|
||||
this.secretLairs.push(this.fb.group(new Address()));
|
||||
}
|
||||
|
||||
// #docregion on-submit
|
||||
onSubmit() {
|
||||
this.hero = this.prepareSaveHero();
|
||||
this.heroService.updateHero(this.hero).subscribe(/* error handling */);
|
||||
this.ngOnChanges();
|
||||
}
|
||||
// #enddocregion on-submit
|
||||
|
||||
// #docregion prepare-save-hero
|
||||
prepareSaveHero(): Hero {
|
||||
const formModel = this.heroForm.value;
|
||||
|
||||
// deep copy of form model lairs
|
||||
const secretLairsDeepCopy: Address[] = formModel.secretLairs.map(
|
||||
(address: Address) => Object.assign({}, address)
|
||||
);
|
||||
|
||||
// return new `Hero` object containing a combination of original hero value(s)
|
||||
// and deep copies of changed form model values
|
||||
const saveHero: Hero = {
|
||||
id: this.hero.id,
|
||||
name: formModel.name as string,
|
||||
// addresses: formModel.secretLairs // <-- bad!
|
||||
addresses: secretLairsDeepCopy
|
||||
};
|
||||
return saveHero;
|
||||
}
|
||||
// #enddocregion prepare-save-hero
|
||||
|
||||
// #docregion revert
|
||||
revert() { this.ngOnChanges(); }
|
||||
// #enddocregion revert
|
||||
|
||||
// #docregion log-name-change
|
||||
logNameChange() {
|
||||
const nameControl = this.heroForm.get('name');
|
||||
nameControl.valueChanges.forEach(
|
||||
(value: string) => this.nameChangeLog.push(value)
|
||||
);
|
||||
}
|
||||
// #enddocregion log-name-change
|
||||
}
|
||||
@ -0,0 +1,8 @@
|
||||
<!-- #docregion -->
|
||||
<nav>
|
||||
<a *ngFor="let hero of heroes | async" (click)="select(hero)">{{hero.name}}</a>
|
||||
</nav>
|
||||
|
||||
<div *ngIf="selectedHero">
|
||||
<hero-detail [hero]="selectedHero"></hero-detail>
|
||||
</div>
|
||||
@ -0,0 +1,17 @@
|
||||
<!-- #docregion -->
|
||||
<h3 *ngIf="isLoading"><i>Loading heroes ... </i></h3>
|
||||
<h3 *ngIf="!isLoading">Select a hero:</h3>
|
||||
|
||||
<nav>
|
||||
<button (click)="getHeroes()" class="btn btn-primary">Refresh</button>
|
||||
<a *ngFor="let hero of heroes | async" (click)="select(hero)">{{hero.name}}</a>
|
||||
</nav>
|
||||
|
||||
<div *ngIf="selectedHero">
|
||||
<hr>
|
||||
<h2>Hero Detail</h2>
|
||||
<h3>Editing: {{selectedHero.name}}</h3>
|
||||
<!-- #docregion hero-binding -->
|
||||
<hero-detail [hero]="selectedHero"></hero-detail>
|
||||
<!-- #enddocregion hero-binding -->
|
||||
</div>
|
||||
@ -0,0 +1,31 @@
|
||||
// #docregion
|
||||
import { Component, OnInit } from '@angular/core';
|
||||
import { Observable } from 'rxjs/Observable';
|
||||
import 'rxjs/add/operator/finally';
|
||||
|
||||
import { Hero } from './data-model';
|
||||
import { HeroService } from './hero.service';
|
||||
|
||||
@Component({
|
||||
selector: 'hero-list',
|
||||
templateUrl: './hero-list.component.html'
|
||||
})
|
||||
export class HeroListComponent implements OnInit {
|
||||
heroes: Observable<Hero[]>;
|
||||
isLoading = false;
|
||||
selectedHero: Hero;
|
||||
|
||||
constructor(private heroService: HeroService) { }
|
||||
|
||||
ngOnInit() { this.getHeroes(); }
|
||||
|
||||
getHeroes() {
|
||||
this.isLoading = true;
|
||||
this.heroes = this.heroService.getHeroes()
|
||||
// Todo: error handling
|
||||
.finally(() => this.isLoading = false);
|
||||
this.selectedHero = undefined;
|
||||
}
|
||||
|
||||
select(hero: Hero) { this.selectedHero = hero; }
|
||||
}
|
||||
26
aio/content/examples/reactive-forms/src/app/hero.service.ts
Normal file
26
aio/content/examples/reactive-forms/src/app/hero.service.ts
Normal file
@ -0,0 +1,26 @@
|
||||
// #docregion
|
||||
import { Injectable } from '@angular/core';
|
||||
|
||||
import { Observable } from 'rxjs/Observable';
|
||||
import { of } from 'rxjs/observable/of';
|
||||
import 'rxjs/add/operator/delay';
|
||||
|
||||
import { Hero, heroes } from './data-model';
|
||||
|
||||
@Injectable()
|
||||
export class HeroService {
|
||||
|
||||
delayMs = 500;
|
||||
|
||||
// Fake server get; assume nothing can go wrong
|
||||
getHeroes(): Observable<Hero[]> {
|
||||
return of(heroes).delay(this.delayMs); // simulate latency with delay
|
||||
}
|
||||
|
||||
// Fake server update; assume nothing can go wrong
|
||||
updateHero(hero: Hero): Observable<Hero> {
|
||||
const oldHero = heroes.find(h => h.id === hero.id);
|
||||
const newHero = Object.assign(oldHero, hero); // Demo: mutate cached hero
|
||||
return of(newHero).delay(this.delayMs); // simulate latency with delay
|
||||
}
|
||||
}
|
||||
31
aio/content/examples/reactive-forms/src/index-final.html
Normal file
31
aio/content/examples/reactive-forms/src/index-final.html
Normal file
@ -0,0 +1,31 @@
|
||||
<!DOCTYPE html>
|
||||
<!-- #docregion -->
|
||||
<html>
|
||||
<head>
|
||||
<title>Hero Form</title>
|
||||
<meta charset="UTF-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
|
||||
<link rel="stylesheet" href="styles.css">
|
||||
<!-- #docregion bootstrap -->
|
||||
<link rel="stylesheet" href="https://unpkg.com/bootstrap@3.3.7/dist/css/bootstrap.min.css">
|
||||
<!-- #enddocregion bootstrap -->
|
||||
|
||||
<!-- Polyfills for older browsers -->
|
||||
<script src="node_modules/core-js/client/shim.min.js"></script>
|
||||
|
||||
<script src="node_modules/zone.js/dist/zone.js"></script>
|
||||
<script src="node_modules/reflect-metadata/Reflect.js"></script>
|
||||
<script src="node_modules/systemjs/dist/system.src.js"></script>
|
||||
|
||||
<script src="systemjs.config.js"></script>
|
||||
<script>
|
||||
System.import('main-final.js').catch(function(err){ console.error(err); });
|
||||
</script>
|
||||
</head>
|
||||
|
||||
<body>
|
||||
<my-app>Loading...</my-app>
|
||||
</body>
|
||||
|
||||
</html>
|
||||
31
aio/content/examples/reactive-forms/src/index.html
Normal file
31
aio/content/examples/reactive-forms/src/index.html
Normal file
@ -0,0 +1,31 @@
|
||||
<!DOCTYPE html>
|
||||
<!-- #docregion -->
|
||||
<html>
|
||||
<head>
|
||||
<title>Hero Form</title>
|
||||
<meta charset="UTF-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
|
||||
<link rel="stylesheet" href="styles.css">
|
||||
<!-- #docregion bootstrap -->
|
||||
<link rel="stylesheet" href="https://unpkg.com/bootstrap@3.3.7/dist/css/bootstrap.min.css">
|
||||
<!-- #enddocregion bootstrap -->
|
||||
|
||||
<!-- Polyfills for older browsers -->
|
||||
<script src="node_modules/core-js/client/shim.min.js"></script>
|
||||
|
||||
<script src="node_modules/zone.js/dist/zone.js"></script>
|
||||
<script src="node_modules/reflect-metadata/Reflect.js"></script>
|
||||
<script src="node_modules/systemjs/dist/system.src.js"></script>
|
||||
|
||||
<script src="systemjs.config.js"></script>
|
||||
<script>
|
||||
System.import('main.js').catch(function(err){ console.error(err); });
|
||||
</script>
|
||||
</head>
|
||||
|
||||
<body>
|
||||
<my-app>Loading...</my-app>
|
||||
</body>
|
||||
|
||||
</html>
|
||||
5
aio/content/examples/reactive-forms/src/main-final.ts
Normal file
5
aio/content/examples/reactive-forms/src/main-final.ts
Normal file
@ -0,0 +1,5 @@
|
||||
// tslint:disable:no-unused-variable
|
||||
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
|
||||
import { AppModule } from './app/app.module';
|
||||
|
||||
platformBrowserDynamic().bootstrapModule(AppModule);
|
||||
6
aio/content/examples/reactive-forms/src/main.ts
Normal file
6
aio/content/examples/reactive-forms/src/main.ts
Normal file
@ -0,0 +1,6 @@
|
||||
// tslint:disable:no-unused-variable
|
||||
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
|
||||
import { AppModule } from './app/app.module'; // just the final version
|
||||
import { DemoModule } from './app/demo.module'; // demo picker
|
||||
|
||||
platformBrowserDynamic().bootstrapModule(DemoModule); // (AppModule);
|
||||
Reference in New Issue
Block a user