/* 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-right: 10px;
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;
}
/* everywhere else */
* {
font-family: Arial, Helvetica, sans-serif;
}
/*
Copyright 2017 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
*/
import { Component } from '@angular/core';
@Component({
selector: 'my-app',
template: `
<div class="container">
<h1>Reactive Forms</h1>
<hero-list></hero-list>
</div>`
})
export class AppComponent { }
/*
Copyright 2017 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
*/
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { ReactiveFormsModule } from '@angular/forms'; // <-- #1 import module
import { AppComponent } from './app.component';
import { HeroDetailComponent } from './hero-detail.component'; // <-- #1 import component
import { HeroListComponent } from './hero-list.component';
import { HeroService } from './hero.service'; // <-- #1 import service
import { FormBuilderTypeSafe } from './angular-reactive-forms-helper';
@NgModule({
imports: [
BrowserModule,
ReactiveFormsModule, // <-- #2 add to @NgModule imports
],
declarations: [
AppComponent,
HeroDetailComponent, // <-- #3 declare app component
HeroListComponent
],
exports: [ // export for the DemoModule
AppComponent,
HeroDetailComponent,
HeroListComponent
],
providers: [ HeroService, FormBuilderTypeSafe ], // <-- #4 provide HeroService
bootstrap: [ AppComponent ]
})
export class AppModule { }
/*
Copyright 2017 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
*/
export class Hero {
id = 0;
name = '';
addresses: Address[];
}
export class Address {
street = '';
city = '';
state = '';
zip = '';
}
export const heroes: Hero[] = [
{
id: 1,
name: 'Whirlwind',
addresses: [
{street: '123 Main', city: 'Anywhere', state: 'CA', zip: '94801'},
{street: '456 Maple', city: 'Somewhere', state: 'VA', zip: '23226'},
]
},
{
id: 2,
name: 'Bombastic',
addresses: [
{street: '789 Elm', city: 'Smallville', state: 'OH', zip: '04501'},
]
},
{
id: 3,
name: 'Magneta',
addresses: [ ]
},
];
export const states = ['CA', 'MD', 'OH', 'VA'];
/*
Copyright 2017 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
*/
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
}
}
/*
Copyright 2017 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
*/
<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 -->
<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}} ({{ formatAddressToOneLine(i) }})</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>
<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>Name change log</h4>
<div *ngFor="let name of nameChangeLog">{{name}}</div>
<!--
Copyright 2017 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
-->
import { Component, Input, OnChanges } from '@angular/core';
import { FormArray, FormBuilder, FormGroup, FormControl } from '@angular/forms';
import { Address, Hero, states } from './data-model';
import { HeroService } from './hero.service';
/* TypeSafe Reactive Forms Changes */
import { FormGroupTypeSafe, FormBuilderTypeSafe } from './angular-reactive-forms-helper'
interface IHeroFormModel {
name: string,
secretLairs: Array<Address>,
power: string,
sidekick: string
}
@Component({
selector: 'hero-detail',
templateUrl: './hero-detail.component.html'
})
export class HeroDetailComponent implements OnChanges {
@Input() hero: Hero;
/* TypeSafe Reactive Forms Changes */
//old code - heroForm: FormGroup;
heroForm: FormGroupTypeSafe<IHeroFormModel>;
nameChangeLog: string[] = [];
states = states;
constructor(
/* TypeSafe Reactive Forms Changes */
//old code - private fb: FormBuilder,
private fb: FormBuilderTypeSafe,
private heroService: HeroService) {
this.createForm();
this.logNameChange();
}
createForm() {
/* TypeSafe Reactive Forms Changes */
/* old code
this.heroForm = this.fb.group({
name: '',
secretLairs: this.fb.array([]),
power: '',
sidekick: ''
});
*/
this.heroForm = this.fb.group<IHeroFormModel>({
name: new FormControl(''),
secretLairs: new FormControl([]),
power: new FormControl(''),
sidekick: new FormControl('')
});
}
ngOnChanges() {
this.heroForm.reset({
name: this.hero.name
});
this.setAddresses(this.hero.addresses);
}
get secretLairs(): FormArray {
/* TypeSafe Reactive Forms Changes */
// old code
/*return this.heroForm.get('secretLairs') as FormArray;*/
return this.heroForm.getSafe(x => x.secretLairs) as FormArray;
};
setAddresses(addresses: Address[]) {
const addressFGs = addresses.map(address => this.fb.group(address));
const addressFormArray = this.fb.array(addressFGs);
/* TypeSafe Reactive Forms Changes */
/*this.heroForm.setControl('secretLairs', addressFormArray); */
this.heroForm.setControlSafe(x => x.secretLairs, addressFormArray);
}
/* TypeSafe Reactive Forms Changes */
//not angular original code - this function was created purely as an example
formatAddressToOneLine(addressIndex: number) : string {
//When using angular's FormGroup no intellisense is provided
//when typing 'this.heroForm.value.'.
//The FormGroupTypeSafe form will give you intellisense.
//The benefit is when you rename property names,
//TypeScript will make sure you change all the references
//old code => this.heroForm.value.secretLairs[addressIndex] returns 'any',
//then use 'as Address' to get it to be an Address object for intellisense to work
//let address = this.heroForm.value.secretLairs[addressIndex] as Address;
//No more 'as', TypeScript knows it is an Address
let address = this.heroForm.value.secretLairs[addressIndex];
return address.street + ", " + address.city + ", " + address.state;
}
addLair() {
this.secretLairs.push(this.fb.group(new Address()));
}
onSubmit() {
this.hero = this.prepareSaveHero();
this.heroService.updateHero(this.hero).subscribe(/* error handling */);
this.ngOnChanges();
}
prepareSaveHero(): Hero {
const formModel = this.heroForm.value;
// deep copy of form model lairs
const secretLairsDeepCopy: Address[] = formModel.secretLairs /*<-- FormGroupTypeSafe form will give you intellisense here*/
.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, // <-- FormGroupTypeSafe form will give you intellisense here
// addresses: formModel.secretLairs // <-- bad!
addresses: secretLairsDeepCopy
};
return saveHero;
}
revert() { this.ngOnChanges(); }
logNameChange() {
/* TypeSafe Reactive Forms Changes */
//old code
const nameControl = this.heroForm.getSafe(x => x.name);
nameControl.valueChanges.forEach(
(value: string) => this.nameChangeLog.push(value)
);
}
}
/*
Copyright 2017 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
*/
<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>
<hero-detail [hero]="selectedHero"></hero-detail>
</div>
<!--
Copyright 2017 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
-->
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; }
}
/*
Copyright 2017 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
*/
// tslint:disable:no-unused-variable
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app/app.module';
platformBrowserDynamic().bootstrapModule(AppModule);
/*
Copyright 2017 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>Hero Form</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="styles.css">
<link rel="stylesheet" href="https://unpkg.com/bootstrap@3.3.7/dist/css/bootstrap.min.css">
<!-- Polyfills for older browsers -->
<script src="https://unpkg.com/core-js/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.7.4?main=browser"></script>
<script src="node_modules/reflect-metadata/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.19.39/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>
<!--
Copyright 2017 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
-->
/**
* WEB ANGULAR 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: {
// Copy of compiler options in standard tsconfig.json
"target": "es5",
"module": "commonjs",
"moduleResolution": "node",
"sourceMap": true,
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"lib": ["es2015", "dom"],
"noImplicitAny": true,
"suppressImplicitAnyIndexErrors": 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/animations': 'npm:@angular/animations/bundles/animations.umd.js',
'@angular/animations/browser': 'npm:@angular/animations/bundles/animations-browser.umd.js',
'@angular/core': 'npm:@angular/core/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common/bundles/common.umd.js',
'@angular/common/http': 'npm:@angular/common/bundles/common-http.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/animations': 'npm:@angular/platform-browser/bundles/platform-browser-animations.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/router/upgrade': 'npm:@angular/router/bundles/router-upgrade.umd.js',
'@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
'@angular/upgrade': 'npm:@angular/upgrade/bundles/upgrade.umd.js',
'@angular/upgrade/static': 'npm:@angular/upgrade/bundles/upgrade-static.umd.js',
// other libraries
'rxjs': 'npm:rxjs@5.0.1',
'tslib': 'npm:tslib/tslib.js',
'angular-in-memory-web-api': 'npm:angular-in-memory-web-api@0.4/bundles/in-memory-web-api.umd.js',
'ts': 'npm:plugin-typescript@5.2.7/lib/plugin.js',
'typescript': 'npm:typescript@2.3.2/lib/typescript.js',
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
app: {
main: './main.ts',
defaultExtension: 'ts',
meta: {
'./*.ts': {
loader: 'systemjs-angular-loader.js'
}
}
},
rxjs: {
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
*/
var templateUrlRegex = /templateUrl\s*:(\s*['"`](.*?)['"`]\s*)/gm;
var stylesRegex = /styleUrls *:(\s*\[[^\]]*?\])/g;
var stringRegex = /(['`"])((?:[^\\]\\\1|.)*?)\1/g;
module.exports.translate = function(load){
if (load.source.indexOf('moduleId') != -1) return load;
var url = document.createElement('a');
url.href = load.address;
var basePathParts = url.pathname.split('/');
basePathParts.pop();
var basePath = basePathParts.join('/');
var baseHref = document.createElement('a');
baseHref.href = this.baseURL;
baseHref = baseHref.pathname;
if (!baseHref.startsWith('/base/')) { // it is not karma
basePath = basePath.replace(baseHref, '');
}
load.source = load.source
.replace(templateUrlRegex, function(match, quote, url){
var resolvedUrl = url;
if (url.startsWith('.')) {
resolvedUrl = basePath + url.substr(1);
}
return 'templateUrl: "' + resolvedUrl + '"';
})
.replace(stylesRegex, function(match, relativeUrls) {
var urls = [];
while ((match = stringRegex.exec(relativeUrls)) !== null) {
if (match[2].startsWith('.')) {
urls.push('"' + basePath + match[2].substr(1) + '"');
} else {
urls.push('"' + match[2] + '"');
}
}
return "styleUrls: [" + urls.join(', ') + "]";
});
return load;
};
import { FormGroup, FormControl, FormBuilder, AbstractControl } from '@angular/forms';
export type FormGroupControlsOf<T> = {
[P in keyof T]: FormControl | FormGroup;
};
export abstract class FormGroupTypeSafe<T> extends FormGroup {
//give the value a custom type s
value: T;
//create helper methods to achieve this syntax eg: this.form.getSafe(x => x.heroName).patchValue('Himan')
public abstract getSafe(propertyFunction: (typeVal: T) => any): AbstractControl;
public abstract setControlSafe(propertyFunction: (typeVal: T) => any, control: AbstractControl): void;
//If you need more function implement declare them here but implement them on FormBuilderTypeSafe.group instantiation.
}
export class FormControlTypeSafe<T> extends FormControl {
value: T;
}
export class FormBuilderTypeSafe extends FormBuilder {
//override group to be type safe
group<T>(controlsConfig: FormGroupControlsOf<T>, extra?: {
[key: string]: any;
} | null): FormGroupTypeSafe<T> {/*NOTE the return FormGroupTypeSafe<T> */
//instantiate group from angular type
let gr = super.group(controlsConfig, extra) as FormGroupTypeSafe<T>;
let getPropertyName = (propertyFunction: Function): string => {
// https://github.com/dsherret/ts-nameof - helped me with the code below, THANX!!!!
//propertyFunction.toString() sample value:
// function(x) { return x.hero.address.postcode;}
//we need the 'hero.address.postcode'
//for gr.get('hero.address.postcode') function
let properties = propertyFunction.toString()
.match(/(?![. ])([a-z0-9_]+)(?=[};.])/gi)
.splice(1);
var r = properties.join(".");
return r;
}
if (gr) {
//implement getSafe method
gr.getSafe = (propertyFunction: (typeVal: T) => any): AbstractControl => {
let getStr = getPropertyName(propertyFunction);
//console.log(getStr);
let p = gr.get(getStr) as FormGroupTypeSafe<T>;
return p;
}
//implement setControlSafe
gr.setControlSafe = (propertyFunction: (typeVal: T) => any, control: AbstractControl): void => {
let getStr = getPropertyName(propertyFunction);
//console.log(getStr);
gr.setControl(getStr, control);
}
//implement more functions as needed
}
return gr;
}
}