| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| import {NgControl} from '@angular/forms'; |
| import {Directive} from '@angular/core'; |
| |
| @Directive({ |
| // tslint:disable-next-line:directive-selector |
| selector: '[validate-onblur]', |
| // tslint:disable-next-line:use-host-property-decorator |
| host: { |
| '(focus)': 'onFocus($event)', |
| '(blur)': 'onBlur($event)', |
| '(keyup)': 'onKeyup($event)', |
| '(change)': 'onChange($event)', |
| '(ngModelChange)': 'onNgModelChange($event)' |
| } |
| }) |
| export class ValidateOnBlurDirective { |
| |
| private validators: any; |
| |
| private asyncValidators: any; |
| |
| private wasChanged: any; |
| |
| constructor(public formControl: NgControl) {} |
| |
| onFocus($event) { |
| this.wasChanged = false; |
| this.validators = this.formControl.control.validator; |
| this.asyncValidators = this.formControl.control.asyncValidator; |
| this.formControl.control.clearAsyncValidators(); |
| this.formControl.control.clearValidators(); |
| } |
| |
| onKeyup($event) { |
| this.wasChanged = true; |
| } |
| |
| onChange($event) { |
| this.wasChanged = true; |
| } |
| |
| onNgModelChange($event) { |
| this.wasChanged = true; |
| } |
| |
| onBlur($event) { |
| this.formControl.control.setAsyncValidators(this.asyncValidators); |
| this.formControl.control.setValidators(this.validators); |
| if (this.wasChanged) { |
| this.formControl.control.updateValueAndValidity(); |
| } |
| } |
| } |