import { Component, OnInit } from '@angular/core';
import { FormGroup, FormArray, FormBuilder, FormBuilder, Validators } from '@angular/forms';
import { Customer } from './customer.interface';
@Component({
moduleId: module.id,
selector: 'my-app',
templateUrl: 'app.component.html',
})
export class AppComponent implements OnInit {
public myForm: FormGroup;
constructor(private _fb: FormBuilder) { }
ngOnInit() {
this.myForm = this._fb.group({
name: ['', [Validators.required, Validators.minLength(5)]],
addresses: this._fb.array([
this.initAddress(),
])
});
}
initAddress() {
return this._fb.group({
street: ['', Validators.required],
postcode: ['']
});
}
addAddress() {
const control = <FormArray>this.myForm.controls['addresses'];
control.push(this.initAddress());
}
removeAddress(i: number) {
const control = <FormArray>this.myForm.controls['addresses'];
control.removeAt(i);
}
save(model: Customer) {
// call API to save
// ...
console.log(model);
}
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { AppComponent } from './app.component';
@NgModule({
imports: [ BrowserModule, ReactiveFormsModule ],
declarations: [ AppComponent ],
bootstrap: [ AppComponent ]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app.module';
const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);
<!DOCTYPE html>
<html>
<head>
<title>Handle different form controls</title>
<!--optional bootstrap for faster styling-->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- 1. Load libraries -->
<!-- Polyfill(s) for older browsers -->
<script src="https://unpkg.com/core-js/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.6.23?main=browser"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3"></script>
<script src="https://unpkg.com/systemjs@0.19.27/dist/system.src.js"></script>
<!-- 2. Configure SystemJS -->
<script src="systemjs.config.js"></script>
<script>
System.import('app').catch(function(err){ console.error(err); });
</script>
</head>
<!-- 3. Display the application -->
<body>
<my-app>Loading...</my-app>
</body>
</html>
/**
* PLUNKER VERSION
* (based on systemjs.config.js in angular.io)
* System configuration for Angular 2 samples
* Adjust as necessary for your application needs.
*/
(function (global) {
System.config({
// DEMO ONLY! REAL CODE SHOULD NOT TRANSPILE IN THE BROWSER
transpiler: 'ts',
typescriptOptions: {
tsconfig: 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/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/upgrade': 'npm:@angular/upgrade/bundles/upgrade.umd.js',
// other libraries
'rxjs': 'npm:rxjs',
'angular2-in-memory-web-api': 'npm:angular2-in-memory-web-api',
'ts': 'npm:plugin-typescript@4.0.10/lib/plugin.js',
'typescript': 'npm:typescript@2.0.2/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'
},
rxjs: {
defaultExtension: 'js'
},
'angular2-in-memory-web-api': {
main: './index.js',
defaultExtension: 'js'
}
}
});
})(this);
{
"compilerOptions": {
"target": "es5",
"module": "commonjs",
"moduleResolution": "node",
"sourceMap": true,
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"removeComments": false,
"noImplicitAny": true,
"suppressImplicitAnyIndexErrors": true
}
}
export interface Customer {
name: string;
addresses: Address[];
}
export interface Address {
street: string;
postcode: string;
}
<div class="container">
<div class="row">
<div class="col-xs-12">
<div class="margin-20">
<h4>Add customer</h4>
</div>
<form [formGroup]="myForm" novalidate (ngSubmit)="save(myForm)">
<div class="form-group">
<label>Name</label>
<input type="text" class="form-control" formControlName="name">
<small *ngIf="!myForm.controls.name.valid" class="text-danger">
Name is required (minimum 5 characters).
</small>
</div>
<!--addresses-->
<div formArrayName="addresses">
<div *ngFor="let address of myForm.controls.addresses.controls; let i=index" class="panel panel-default">
<div class="panel-heading">
<span>Address {{i + 1}}</span>
<span class="glyphicon glyphicon-remove pull-right" *ngIf="myForm.controls.addresses.controls.length > 1" (click)="removeAddress(i)"></span>
</div>
<div class="panel-body" [formGroupName]="i">
<div class="form-group col-xs-6">
<label>street</label>
<input type="text" class="form-control" formControlName="street">
<small [hidden]="myForm.controls.addresses.controls[i].controls.street.valid" class="text-danger">
Street is required
</small>
</div>
<div class="form-group col-xs-6">
<label>postcode</label>
<input type="text" class="form-control" formControlName="postcode">
</div>
</div>
</div>
</div>
<div class="margin-20">
<a (click)="addAddress()" style="cursor: default">
Add another address +
</a>
</div>
<div class="margin-20">
<button type="submit" class="btn btn-primary pull-right" [disabled]="!myForm.valid">Submit</button>
</div>
<div class="clearfix"></div>
<div class="margin-20">
<div>myForm details:-</div>
<pre>Is myForm valid?: <br>{{myForm.valid | json}}</pre>
<pre>form value: <br>{{myForm.value | json}}</pre>
</div>
</form>
</div>
</div>
</div>