angular-docs-cn/public/docs/_examples/lifecycle-hooks/ts/app/spy.component.ts

56 lines
1.2 KiB
TypeScript

// #docregion
import {Component} from 'angular2/core';
import {LoggerService} from './logger.service';
import {Spy} from './spy.directive';
@Component({
selector: 'spy-parent',
template: `
<div class="parent">
<h2>Spy Directive</h2>
<input [(ngModel)]="newName" (keyup.enter)="addHero()">
<button (click)="addHero()">Add Hero</button>
<button (click)="reset()">Reset Heroes</button>
<p></p>
<div *ngFor="#hero of heroes" my-spy class="heroes">
{{hero}}
</div>
<h4>-- Spy Lifecycle Hook Log --</h4>
<div *ngFor="#msg of spyLog">{{msg}}</div>
</div>
`,
styles: [
'.parent {background: khaki; padding: 10px; margin:100px 8px}',
'.heroes {background: LightYellow; padding: 0 8px}'
],
directives: [Spy],
providers: [LoggerService]
})
export class SpyParentComponent {
newName = 'Herbie';
heroes:string[] = ['Windstorm', 'Magneta'];
spyLog:string[];
private _logger:LoggerService;
constructor(logger:LoggerService){
this._logger = logger;
this.spyLog = logger.logs;
}
addHero() {
if (this.newName.trim()) {
this.heroes.push(this.newName.trim());
this.newName = '';
}
}
reset(){
this._logger.log('-- reset --');
this.heroes.length = 0;
}
}