ceph/src/pybind/mgr/dashboard/frontend/src/app/shared/directives/ng-bootstrap-form-validation/cd-form-control.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, Host, HostBinding, Input, Optional, SkipSelf } from '@angular/core';
  29 import { ControlContainer, FormControl } from '@angular/forms';
  30
  31 export function controlPath(name: string, parent: ControlContainer): string[] {
  32   // tslint:disable-next-line:no-non-null-assertion
  33   return [...parent.path!, name];
  34 }
  35
  36 @Directive({
  37   // tslint:disable-next-line:directive-selector
  38   selector: '.form-control,.form-check-input,.custom-control-input'
  39 })
  40 export class CdFormControlDirective {
  41   @Input()
  42   formControlName: string;
  43   @Input()
  44   formControl: string;
  45
  46   @HostBinding('class.is-valid')
  47   get validClass() {
  48     if (!this.control) {
  49       return false;
  50     }
  51     return this.control.valid && (this.control.touched || this.control.dirty);
  52   }
  53
  54   @HostBinding('class.is-invalid')
  55   get invalidClass() {
  56     if (!this.control) {
  57       return false;
  58     }
  59     return this.control.invalid && this.control.touched && this.control.dirty;
  60   }
  61
  62   get path() {
  63     return controlPath(this.formControlName, this.parent);
  64   }
  65
  66   get control(): FormControl {
  67     return this.formDirective && this.formDirective.getControl(this);
  68   }
  69
  70   get formDirective(): any {
  71     return this.parent ? this.parent.formDirective : null;
  72   }
  73
  74   constructor(
  75     // this value might be null, but we union type it as such until
  76     // this issue is resolved: https://github.com/angular/angular/issues/25544
  77     @Optional()
  78     @Host()
  79     @SkipSelf()
  80     private parent: ControlContainer
  81   ) {}
  82 }