ceph/src/pybind/mgr/dashboard/frontend/src/app/shared/directives/ng-bootstrap-form-validation/cd-form-validation.directive.ts

   1 /**
   2  * MIT License
   3  *
   4  * Copyright (c) 2017 Kevin Kipp
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in all
  14  * copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  *
  25  * Based on https://github.com/third774/ng-bootstrap-form-validation
  26  */
  27
  28 import { Directive, EventEmitter, HostListener, Input, Output } from '@angular/core';
  29 import { AbstractControl, FormArray, FormControl, FormGroup } from '@angular/forms';
  30
  31 @Directive({
  32   // tslint:disable-next-line:directive-selector
  33   selector: '[formGroup]'
  34 })
  35 export class CdFormValidationDirective {
  36   @Input()
  37   formGroup: FormGroup;
  38   @Output()
  39   validSubmit = new EventEmitter<any>();
  40
  41   @HostListener('submit')
  42   onSubmit() {
  43     this.markAsTouchedAndDirty(this.formGroup);
  44     if (this.formGroup.valid) {
  45       this.validSubmit.emit(this.formGroup.value);
  46     }
  47   }
  48
  49   markAsTouchedAndDirty(control: AbstractControl) {
  50     if (control instanceof FormGroup) {
  51       Object.keys(control.controls).forEach((key) =>
  52         this.markAsTouchedAndDirty(control.controls[key])
  53       );
  54     } else if (control instanceof FormArray) {
  55       control.controls.forEach((c) => this.markAsTouchedAndDirty(c));
  56     } else if (control instanceof FormControl && control.enabled) {
  57       control.markAsDirty();
  58       control.markAsTouched();
  59       control.updateValueAndValidity();
  60     }
  61   }
  62 }