angular-cn/modules/angular2/examples/router/ts/reuse/reuse_example.ts

59 lines
1.4 KiB
TypeScript

import {Component, provide} from 'angular2/core';
import {bootstrap} from 'angular2/bootstrap';
import {
CanActivate,
RouteConfig,
ComponentInstruction,
ROUTER_DIRECTIVES,
APP_BASE_HREF,
CanReuse,
RouteParams,
OnReuse
} from 'angular2/router';
// #docregion reuseCmp
@Component({
selector: 'my-cmp',
template: `
<div>hello {{name}}!</div>
<div>message: <input id="message"></div>
`
})
class MyCmp implements CanReuse,
OnReuse {
name: string;
constructor(params: RouteParams) { this.name = params.get('name') || 'NOBODY'; }
routerCanReuse(next: ComponentInstruction, prev: ComponentInstruction) { return true; }
routerOnReuse(next: ComponentInstruction, prev: ComponentInstruction) {
this.name = next.params['name'];
}
}
// #enddocregion
@Component({
selector: 'example-app',
template: `
<h1>Say hi to...</h1>
<a [routerLink]="['/HomeCmp', {name: 'naomi'}]" id="naomi-link">Naomi</a> |
<a [routerLink]="['/HomeCmp', {name: 'brad'}]" id="brad-link">Brad</a>
<router-outlet></router-outlet>
`,
directives: [ROUTER_DIRECTIVES]
})
@RouteConfig([
{path: '/', component: MyCmp, name: 'HomeCmp'},
{path: '/:name', component: MyCmp, name: 'HomeCmp'}
])
class AppCmp {
}
export function main() {
return bootstrap(AppCmp,
[provide(APP_BASE_HREF, {useValue: '/angular2/examples/router/ts/reuse'})]);
}