use ng-bootstrap date selector, with proper formatting/parsing according to the current locale #177

src-ui/src/app/components/common/input/date/date.component.html

@@ -0,0 +1,15 @@
+<div class="form-group">
+  <label [for]="inputId">{{title}}</label>
+  <div class="input-group">
+    <input [class.is-invalid]="error" class="form-control" [placeholder]="placeholder" [id]="inputId" (dateSelect)="onChange(value)" (change)="onChange(value)"
+           name="dp" [(ngModel)]="value" ngbDatepicker #datePicker="ngbDatepicker" #datePickerContent="ngModel">
+    <div class="input-group-append">
+      <button class="btn btn-outline-secondary calendar" (click)="datePicker.toggle()" type="button">
+        <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-calendar" viewBox="0 0 16 16">
+          <path d="M3.5 0a.5.5 0 0 1 .5.5V1h8V.5a.5.5 0 0 1 1 0V1h1a2 2 0 0 1 2 2v11a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h1V.5a.5.5 0 0 1 .5-.5zM1 4v10a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1V4H1z"/>
+        </svg>
+      </button>
+    </div>
+    <div class="invalid-feedback" *ngIf="error" i18n>Invalid date.</div>
+  </div>
+</div>

src-ui/src/app/components/common/input/date/date.component.spec.ts

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+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { DateComponent } from './date.component';
+
+describe('DateComponent', () => {
+  let component: DateComponent;
+  let fixture: ComponentFixture<DateComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ DateComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(DateComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src-ui/src/app/components/common/input/date/date.component.ts

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+import { Component, forwardRef, Input, OnInit, ViewChild } from '@angular/core';
+import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
+import { NgbDateAdapter, NgbDateParserFormatter, NgbDatepickerContent } from '@ng-bootstrap/ng-bootstrap';
+import { SettingsService } from 'src/app/services/settings.service';
+import { v4 as uuidv4 } from 'uuid';
+import { AbstractInputComponent } from '../abstract-input';
+
+
+@Component({
+  providers: [{
+    provide: NG_VALUE_ACCESSOR,
+    useExisting: forwardRef(() => DateComponent),
+    multi: true
+  }],
+  selector: 'app-input-date',
+  templateUrl: './date.component.html',
+  styleUrls: ['./date.component.scss']
+})
+export class DateComponent extends AbstractInputComponent<string> implements OnInit {
+
+  constructor(private settings: SettingsService) {
+    super()
+  }
+
+  ngOnInit(): void {
+    super.ngOnInit()
+    this.placeholder = this.settings.getLocalizedDateInputFormat()
+  }
+
+  placeholder: string
+
+}