46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
// #docregion
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import { Component } from '@angular/core';
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import { AstronautComponent } from './astronaut.component';
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import { MissionService } from './mission.service';
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@Component({
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selector: 'mission-control',
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template: `
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<h2>Mission Control</h2>
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<button (click)="announce()">Announce mission</button>
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<my-astronaut *ngFor="let astronaut of astronauts"
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[astronaut]="astronaut">
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</my-astronaut>
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<h3>History</h3>
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<ul>
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<li *ngFor="let event of history">{{event}}</li>
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</ul>
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`,
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directives: [AstronautComponent],
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providers: [MissionService]
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})
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export class MissionControlComponent {
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astronauts = ['Lovell', 'Swigert', 'Haise'];
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history: string[] = [];
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missions = ['Fly to the moon!',
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'Fly to mars!',
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'Fly to Vegas!'];
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nextMission = 0;
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constructor(private missionService: MissionService) {
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missionService.missionConfirmed$.subscribe(
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astronaut => {
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this.history.push(`${astronaut} confirmed the mission`);
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});
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}
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announce() {
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let mission = this.missions[this.nextMission++];
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this.missionService.announceMission(mission);
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this.history.push(`Mission "${mission}" announced`);
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if (this.nextMission >= this.missions.length) { this.nextMission = 0; }
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}
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}
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// #enddocregion
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