49 lines
883 B
TypeScript
49 lines
883 B
TypeScript
import {
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Attribute,
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Component,
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ElementRef,
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Inject,
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Optional,
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Query,
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QueryList
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} from '@angular/core';
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// #docregion
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@Component({
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selector: 'hero-title',
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template: `
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<h1>{{titlePrefix}} {{title}}</h1>
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<button (click)="ok()">OK</button>
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<ng-content></ng-content>
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`
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})
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export class TitleComponent {
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constructor(
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@Inject('titlePrefix')
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@Optional()
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private titlePrefix:string,
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@Attribute('title')
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private title:string,
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@Query('okMsg')
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private msg:QueryList<ElementRef>) {
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}
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ok() {
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let msgEl =
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this.msg.first.nativeElement;
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msgEl.textContent = 'OK!';
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}
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}
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// #enddocregion
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@Component({
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selector: 'hero-di-inject-additional',
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template: `<hero-title title="Tour of Heroes">
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<span #okMsg class="ok-msg"></span>
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</hero-title>`,
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directives: [TitleComponent]
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})
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export class AppComponent {
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}
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