76 lines
2.3 KiB
TypeScript
76 lines
2.3 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {Directive, Self} from '@angular/core';
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import {isPresent} from '../facade/lang';
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import {AbstractControlDirective} from './abstract_control_directive';
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import {ControlContainer} from './control_container';
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import {NgControl} from './ng_control';
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export class AbstractControlStatus {
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private _cd: AbstractControlDirective;
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constructor(cd: AbstractControlDirective) { this._cd = cd; }
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get ngClassUntouched(): boolean {
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return isPresent(this._cd.control) ? this._cd.control.untouched : false;
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}
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get ngClassTouched(): boolean {
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return isPresent(this._cd.control) ? this._cd.control.touched : false;
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}
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get ngClassPristine(): boolean {
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return isPresent(this._cd.control) ? this._cd.control.pristine : false;
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}
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get ngClassDirty(): boolean {
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return isPresent(this._cd.control) ? this._cd.control.dirty : false;
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}
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get ngClassValid(): boolean {
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return isPresent(this._cd.control) ? this._cd.control.valid : false;
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}
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get ngClassInvalid(): boolean {
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return isPresent(this._cd.control) ? this._cd.control.invalid : false;
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}
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}
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export const ngControlStatusHost = {
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'[class.ng-untouched]': 'ngClassUntouched',
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'[class.ng-touched]': 'ngClassTouched',
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'[class.ng-pristine]': 'ngClassPristine',
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'[class.ng-dirty]': 'ngClassDirty',
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'[class.ng-valid]': 'ngClassValid',
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'[class.ng-invalid]': 'ngClassInvalid'
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};
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/**
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* Directive automatically applied to Angular form controls that sets CSS classes
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* based on control status (valid/invalid/dirty/etc).
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*
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* @stable
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*/
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@Directive({selector: '[formControlName],[ngModel],[formControl]', host: ngControlStatusHost})
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export class NgControlStatus extends AbstractControlStatus {
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constructor(@Self() cd: NgControl) { super(cd); }
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}
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/**
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* Directive automatically applied to Angular form groups that sets CSS classes
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* based on control status (valid/invalid/dirty/etc).
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*
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* @stable
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*/
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@Directive({
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selector:
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'[formGroupName],[formArrayName],[ngModelGroup],[formGroup],form:not([ngNoForm]),[ngForm]',
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host: ngControlStatusHost
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})
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export class NgControlStatusGroup extends AbstractControlStatus {
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constructor(@Self() cd: ControlContainer) { super(cd); }
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}
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