angular-cn/public/docs/_examples/toh-6/ts/app/heroes.component.ts

72 lines
1.7 KiB
TypeScript

// #docregion
import { Component, OnInit } from '@angular/core';
import { Router } from '@angular/router';
import { Hero } from './hero';
import { HeroService } from './hero.service';
// #docregion hero-detail-component
@Component({
selector: 'my-heroes',
templateUrl: 'app/heroes.component.html',
styleUrls: ['app/heroes.component.css']
})
// #enddocregion hero-detail-component
export class HeroesComponent implements OnInit {
heroes: Hero[];
selectedHero: Hero;
addingHero = false;
// #docregion error
error: any;
// #enddocregion error
constructor(
private router: Router,
private heroService: HeroService) { }
getHeroes(): void {
this.heroService
.getHeroes()
.then(heroes => this.heroes = heroes)
.catch(error => this.error = error);
}
// #docregion addHero
addHero(): void {
this.addingHero = true;
this.selectedHero = null;
}
close(savedHero: Hero): void {
this.addingHero = false;
if (savedHero) { this.getHeroes(); }
}
// #enddocregion addHero
// #docregion deleteHero
deleteHero(hero: Hero, event: any): void {
event.stopPropagation();
this.heroService
.delete(hero)
.then(res => {
this.heroes = this.heroes.filter(h => h !== hero);
if (this.selectedHero === hero) { this.selectedHero = null; }
})
.catch(error => this.error = error);
}
// #enddocregion deleteHero
ngOnInit(): void {
this.getHeroes();
}
onSelect(hero: Hero): void {
this.selectedHero = hero;
this.addingHero = false;
}
gotoDetail(): void {
this.router.navigate(['/detail', this.selectedHero.id]);
}
}