1 files changed, 82 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/shared/directives/ng-bootstrap-form-validation/cd-form-control.directive.ts b/src/pybind/mgr/dashboard/frontend/src/app/shared/directives/ng-bootstrap-form-validation/cd-form-control.directive.ts
new file mode 100644
index 000000000..86afc72a5
--- /dev/null
+++ b/src/pybind/mgr/dashboard/frontend/src/app/shared/directives/ng-bootstrap-form-validation/cd-form-control.directive.ts
@@ -0,0 +1,82 @@
+/**
+ * MIT License
+ *
+ * Copyright (c) 2017 Kevin Kipp
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ *
+ * Based on https://github.com/third774/ng-bootstrap-form-validation
+ */
+
+import { Directive, Host, HostBinding, Input, Optional, SkipSelf } from '@angular/core';
+import { ControlContainer, FormControl } from '@angular/forms';
+
+export function controlPath(name: string, parent: ControlContainer): string[] {
+  // tslint:disable-next-line:no-non-null-assertion
+  return [...parent.path!, name];
+}
+
+@Directive({
+  // tslint:disable-next-line:directive-selector
+  selector: '.form-control,.form-check-input,.custom-control-input'
+})
+export class CdFormControlDirective {
+  @Input()
+  formControlName: string;
+  @Input()
+  formControl: string;
+
+  @HostBinding('class.is-valid')
+  get validClass() {
+    if (!this.control) {
+      return false;
+    }
+    return this.control.valid && (this.control.touched || this.control.dirty);
+  }
+
+  @HostBinding('class.is-invalid')
+  get invalidClass() {
+    if (!this.control) {
+      return false;
+    }
+    return this.control.invalid && this.control.touched && this.control.dirty;
+  }
+
+  get path() {
+    return controlPath(this.formControlName, this.parent);
+  }
+
+  get control(): FormControl {
+    return this.formDirective && this.formDirective.getControl(this);
+  }
+
+  get formDirective(): any {
+    return this.parent ? this.parent.formDirective : null;
+  }
+
+  constructor(
+    // this value might be null, but we union type it as such until
+    // this issue is resolved: https://github.com/angular/angular/issues/25544
+    @Optional()
+    @Host()
+    @SkipSelf()
+    private parent: ControlContainer
+  ) {}
+}