nested-forms/apps/global-form/src/app/app.component.ts

67 lines
1.7 KiB
TypeScript

import { FormGroup, FormBuilder, FormArray } from '@angular/forms';
import { Component, OnInit, OnDestroy } from '@angular/core';
import { Contact, ContactService } from '@nested-forms/contact';
import { Subscription } from 'rxjs';
@Component({
selector: 'nested-forms-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit, OnDestroy {
contact: Contact;
form: FormGroup;
private subscription: Subscription;
constructor(private fb: FormBuilder, private service: ContactService) {}
public ngOnInit() {
this.subscription = this.service
.loadContact()
.subscribe((data: Contact) => {
this.contact = data;
this.form = this.createForm();
});
}
public ngOnDestroy() {
if (this.subscription) {
this.subscription.unsubscribe();
}
}
private createForm(): FormGroup {
const name = this.contact.name;
const addresses: FormArray = this.fb.array([]);
const group = this.fb.group({
nameGroup: this.fb.group({
firstName: [name ? name.firstName : ''],
lastName: [name ? name.lastName : ''],
middleName: [name ? name.middleName : ''],
prefix: [name ? name.prefix : ''],
suffix: [name ? name.suffix : '']
}),
addresses: addresses
});
if (this.contact.addresses) {
this.contact.addresses.forEach(addr => {
addresses.push(
this.fb.group({
line1: [addr ? addr.line_1 : ''],
line2: [addr ? addr.line_2 : ''],
city: [addr ? addr.city : ''],
state: [addr ? addr.state : ''],
postalCode: [addr ? addr.postalCode : '']
})
);
});
}
return group;
}
}