angular-cn/modules/@angular/forms/src/directives/ng_control.ts

33 lines
977 B
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {unimplemented} from '../facade/exceptions';
import {AbstractControlDirective} from './abstract_control_directive';
import {ControlValueAccessor} from './control_value_accessor';
import {AsyncValidatorFn, ValidatorFn} from './validators';
/**
* A base class that all control directive extend.
* It binds a {@link Control} object to a DOM element.
*
* Used internally by Angular forms.
*
* @experimental
*/
export abstract class NgControl extends AbstractControlDirective {
name: string = null;
valueAccessor: ControlValueAccessor = null;
get validator(): ValidatorFn { return <ValidatorFn>unimplemented(); }
get asyncValidator(): AsyncValidatorFn { return <AsyncValidatorFn>unimplemented(); }
abstract viewToModelUpdate(newValue: any): void;
}