feat(datepicker): improve date and time inputs combination

src/app/playground-components.ts

@@ -544,6 +544,24 @@ export const PLAYGROUND_COMPONENTS: ComponentLink[] = [
         component: 'DateTimepickerShowcaseComponent',
         name: 'Date Timepicker Showcase',
       },
+      {
+        path: 'date-timepicker-dynamic-inputs-showcase.component',
+        link: '/datepicker/date-timepicker-dynamic-inputs-showcase.component',
+        component: 'DateTimepickerDynamicInputsShowcaseComponent',
+        name: 'Date Timepicker Dynamic Inputs Showcase',
+      },
+      {
+        path: 'datepicker-dynamic-inputs-showcase.component',
+        link: '/datepicker/datepicker-dynamic-inputs-showcase.component',
+        component: 'DatepickerDynamicInputsShowcaseComponent',
+        name: 'Datepicker Dynamic Inputs Showcase',
+      },
+      {
+        path: 'range-picker-dynamic-inputs-showcase.component',
+        link: '/datepicker/rangepicker-dynamic-inputs-showcase.component',
+        component: 'RangeickerDynamicInputsShowcaseComponent',
+        name: 'Range Picker Dynamic Inputs Showcase',
+      },
       {
         path: 'date-timepicker-single-column.component',
         link: '/datepicker/date-timepicker-single-column.component',
@@ -597,6 +615,12 @@ export const PLAYGROUND_COMPONENTS: ComponentLink[] = [
         component: 'TimepickerWithSecondsComponent',
         name: 'Timepicker With Seconds',
       },
+      {
+        path: 'timepicker-dynamic-inputs-showcase.component',
+        link: '/timepicker/timepicker-dynamic-inputs-showcase.component',
+        component: 'TimepickerDynamicInputsShowcaseComponent',
+        name: 'Timepicker Dynamic Inputs Showcase',
+      },
       {
         path: 'timepicker-form-control.component',
         link: '/timepicker/timepicker-form-control.component',

src/framework/theme/components/datepicker/calendar-with-time.component.ts

@@ -35,21 +35,26 @@ import { NbTimePickerComponent } from '../timepicker/timepicker.component';
           [showNavigation]="showNavigation"
           [showWeekNumber]="showWeekNumber"
           [weekNumberSymbol]="weekNumberSymbol"
-          (dateChange)="onDateValueChange($event)">
+          (dateChange)="onDateValueChange($event)"
+        >
         </nb-base-calendar>
-        <div class="timepicker-section"
-             [class.size-large]="isLarge()"
-             [class.timepicker-single-column-width]="singleColumn"
-             [class.timepicker-multiple-column-width]="!singleColumn">
+        <div
+          class="timepicker-section"
+          [class.size-large]="isLarge()"
+          [class.timepicker-single-column-width]="singleColumn"
+          [class.timepicker-multiple-column-width]="!singleColumn"
+        >
           <div class="picker-title">{{ title }}</div>
           <nb-timepicker
             (onSelectTime)="onTimeChange($event)"
             [date]="date"
             [twelveHoursFormat]="twelveHoursFormat"
+            [showAmPmLabel]="showAmPmLabel"
             [withSeconds]="showSeconds()"
             [showFooter]="false"
             [singleColumn]="singleColumn"
-            [step]="step">
+            [step]="step"
+          >
           </nb-timepicker>
           <ng-container nbPortalOutlet></ng-container>
         </div>
@@ -79,6 +84,11 @@ export class NbCalendarWithTimeComponent<D> extends NbCalendarComponent<D> imple
    * */
   @Input() twelveHoursFormat: boolean;
 
+  /**
+   * Defines should show am/pm label if twelveHoursFormat enabled.
+   * */
+  @Input() showAmPmLabel: boolean;
+
   /**
    * Show seconds in timepicker.
    * Ignored when singleColumn is true.
@@ -115,9 +125,10 @@ export class NbCalendarWithTimeComponent<D> extends NbCalendarComponent<D> imple
   @ViewChild(NbPortalOutletDirective) portalOutlet: NbPortalOutletDirective;
   @ViewChild(NbTimePickerComponent) timepicker: NbTimePickerComponent<D>;
 
-  constructor(protected dateService: NbDateService<D>,
-              public cd: ChangeDetectorRef,
-              protected calendarTimeModelService: NbCalendarTimeModelService<D>,
+  constructor(
+    protected dateService: NbDateService<D>,
+    public cd: ChangeDetectorRef,
+    protected calendarTimeModelService: NbCalendarTimeModelService<D>,
   ) {
     super();
   }
@@ -166,11 +177,8 @@ export class NbCalendarWithTimeComponent<D> extends NbCalendarComponent<D> imple
     this.dateChange.emit(this.dateService.today());
   }
 
-  /**
-   * We don't show seconds with twelve hours format
-   * */
   showSeconds(): boolean {
-    return this.withSeconds && !this.twelveHoursFormat;
+    return this.withSeconds && !this.singleColumn;
   }
 
   isLarge(): boolean {

src/framework/theme/components/datepicker/date-timepicker.component.ts

@@ -32,9 +32,10 @@ import { NB_DATE_SERVICE_OPTIONS } from './datepicker.directive';
   template: '',
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
-export class NbDateTimePickerComponent<D> extends NbBasePickerComponent<D, D, NbCalendarWithTimeComponent<D>>
-                                          implements OnInit {
-
+export class NbDateTimePickerComponent<D>
+  extends NbBasePickerComponent<D, D, NbCalendarWithTimeComponent<D>>
+  implements OnInit
+{
   protected pickerClass: Type<NbCalendarWithTimeComponent<D>> = NbCalendarWithTimeComponent;
 
   get value(): any {
@@ -78,6 +79,19 @@ export class NbDateTimePickerComponent<D> extends NbBasePickerComponent<D, D, Nb
   _twelveHoursFormat: boolean;
   static ngAcceptInputType_twelveHoursFormat: NbBooleanInput;
 
+  /**
+   * Defines should show am/pm label if twelveHoursFormat enabled.
+   * */
+  @Input()
+  get showAmPmLabel(): boolean {
+    return this._showAmPmLabel;
+  }
+  set showAmPmLabel(value: boolean) {
+    this._showAmPmLabel = convertToBoolProperty(value);
+  }
+  protected _showAmPmLabel: boolean = true;
+  static ngAcceptInputType_showAmPmLabel: NbBooleanInput;
+
   /**
    * Show seconds in timepicker.
    * Ignored when singleColumn is true.
@@ -112,14 +126,16 @@ export class NbDateTimePickerComponent<D> extends NbBasePickerComponent<D, D, Nb
     return this.valueChange as EventEmitter<D>;
   }
 
-  constructor(@Inject(NB_DOCUMENT) document,
-              positionBuilder: NbPositionBuilderService,
-              triggerStrategyBuilder: NbTriggerStrategyBuilderService,
-              overlay: NbOverlayService,
-              cfr: ComponentFactoryResolver,
-              dateService: NbDateService<D>,
-              @Optional() @Inject(NB_DATE_SERVICE_OPTIONS) dateServiceOptions,
-              protected calendarWithTimeModelService: NbCalendarTimeModelService<D>) {
+  constructor(
+    @Inject(NB_DOCUMENT) document,
+    positionBuilder: NbPositionBuilderService,
+    triggerStrategyBuilder: NbTriggerStrategyBuilderService,
+    overlay: NbOverlayService,
+    cfr: ComponentFactoryResolver,
+    dateService: NbDateService<D>,
+    @Optional() @Inject(NB_DATE_SERVICE_OPTIONS) dateServiceOptions,
+    protected calendarWithTimeModelService: NbCalendarTimeModelService<D>,
+  ) {
     super(document, positionBuilder, triggerStrategyBuilder, overlay, cfr, dateService, dateServiceOptions);
   }
 
@@ -131,6 +147,7 @@ export class NbDateTimePickerComponent<D> extends NbBasePickerComponent<D, D, Nb
   protected patchWithInputs() {
     this.picker.singleColumn = this.singleColumn;
     this.picker.twelveHoursFormat = this.twelveHoursFormat;
+    this.picker.showAmPmLabel = this.showAmPmLabel;
     this.picker.withSeconds = this.withSeconds;
     this.picker.step = this.step;
     this.picker.title = this.title;
@@ -141,8 +158,10 @@ export class NbDateTimePickerComponent<D> extends NbBasePickerComponent<D, D, Nb
     if (this.twelveHoursFormat) {
       this.picker.timeFormat = this.dateService.getTwelveHoursFormat();
     } else {
-      this.picker.timeFormat = this.withSeconds ? this.dateService.getTwentyFourHoursFormatWithSeconds() :
-        this.dateService.getTwentyFourHoursFormat();
+      this.picker.timeFormat =
+        this.withSeconds && !this.singleColumn
+          ? this.dateService.getTwentyFourHoursFormatWithSeconds()
+          : this.dateService.getTwentyFourHoursFormat();
     }
     super.patchWithInputs();
 
@@ -169,4 +188,3 @@ export class NbDateTimePickerComponent<D> extends NbBasePickerComponent<D, D, Nb
     }
   }
 }
-

src/framework/theme/components/datepicker/datepicker.component.ts

@@ -133,6 +133,8 @@ export abstract class NbBasePicker<D, T, P> extends NbDatepicker<T, D> {
    * */
   abstract showWeekNumber: boolean;
 
+  readonly formatChanged$: Subject<void> = new Subject();
+
   /**
    * Calendar component class that has to be instantiated inside overlay.
    * */
@@ -489,8 +491,14 @@ export class NbBasePickerComponent<D, T, P> extends NbBasePicker<D, T, P> implem
   }
 
   ngOnChanges(changes: SimpleChanges) {
-    if (changes.format && !changes.format.isFirstChange()) {
-      this.checkFormat();
+    if (changes.format) {
+      if (!changes.format.isFirstChange()) {
+        this.checkFormat();
+      }
+      this.formatChanged$.next();
+    }
+    if (this.picker) {
+      this.patchWithInputs();
     }
   }
 

src/framework/theme/components/datepicker/datepicker.directive.ts

@@ -24,8 +24,8 @@ import {
   ValidatorFn,
   Validators,
 } from '@angular/forms';
-import { fromEvent, merge, Observable, Subject } from 'rxjs';
-import { filter, map, take, takeUntil, tap } from 'rxjs/operators';
+import { fromEvent, merge, Observable, Subject, Subscription } from 'rxjs';
+import { distinctUntilChanged, filter, map, pairwise, startWith, take, takeUntil, tap } from 'rxjs/operators';
 
 import { NB_DOCUMENT } from '../../theme.options';
 import { NbDateService } from '../calendar-kit/services/date.service';
@@ -113,6 +113,8 @@ export abstract class NbDatepicker<T, D = T> {
   abstract get isShown(): boolean;
 
   abstract get blur(): Observable<void>;
+
+  abstract get formatChanged$(): Observable<void>;
 }
 
 export const NB_DATE_ADAPTER = new InjectionToken<NbDatepickerAdapter<any>>('Datepicker Adapter');
@@ -285,6 +287,8 @@ export class NbDatepickerDirective<D> implements OnDestroy, ControlValueAccessor
     this.setupPicker();
   }
 
+  protected pickerInputsChangedSubscription: Subscription | undefined;
+
   /**
    * Datepicker adapter.
    * */
@@ -444,6 +448,22 @@ export class NbDatepickerDirective<D> implements OnDestroy, ControlValueAccessor
       this.picker.value = this.datepickerAdapter.parse(this.inputValue, this.picker.format);
     }
 
+    this.pickerInputsChangedSubscription?.unsubscribe();
+    this.pickerInputsChangedSubscription = this.picker.formatChanged$
+      .pipe(
+        map(() => this.picker.format),
+        startWith(this.picker.format),
+        distinctUntilChanged(),
+        pairwise(),
+        takeUntil(this.destroy$),
+      )
+      .subscribe(([prevFormat, nextFormat]) => {
+        if (this.inputValue) {
+          const date = this.datepickerAdapter.parse(this.inputValue, prevFormat);
+          this.writeInput(date);
+        }
+      });
+
     // In case datepicker component placed after the input with datepicker directive,
     // we can't read `this.picker.format` on first change detection run,
     // since it's not bound yet, so we have to wait for datepicker component initialization.

src/framework/theme/components/timepicker/timepicker.component.html

@@ -1,6 +1,4 @@
-<nb-card *nbPortal
-         [class.supports-scrollbar-theming]="!isFirefox()"
-         class="nb-timepicker-container">
+<nb-card *nbPortal [class.supports-scrollbar-theming]="!isFirefox()" class="nb-timepicker-container">
   <nb-card-header class="column-header">
     <ng-container *ngIf="singleColumn; else fullTimeHeadersBlock">
       <div class="header-cell">Time</div>
@@ -9,7 +7,9 @@
       <div class="header-cell">{{ hoursText }}</div>
       <div class="header-cell">{{ minutesText }}</div>
       <div *ngIf="withSeconds" class="header-cell">{{ secondsText }}</div>
-      <div *ngIf="twelveHoursFormat" class="header-cell">{{ ampmText }}</div>
+      <div *ngIf="twelveHoursFormat" class="header-cell">
+        <ng-template [ngIf]="showAmPmLabel">{{ ampmText }}</ng-template>
+      </div>
     </ng-template>
   </nb-card-header>
 
@@ -19,11 +19,13 @@
         <nb-list-item
           class="list-item"
           [class.selected]="isSelectedFullTimeValue(item)"
-          *ngFor="let item of fullTimeOptions; trackBy: trackBySingleColumnValue.bind(this)">
+          *ngFor="let item of fullTimeOptions; trackBy: trackBySingleColumnValue.bind(this)"
+        >
           <nb-timepicker-cell
             [value]="getFullTimeString(item)"
             [selected]="isSelectedFullTimeValue(item)"
-            (select)="selectFullTime(item)">
+            (select)="selectFullTime(item)"
+          >
           </nb-timepicker-cell>
         </nb-list-item>
       </nb-list>
@@ -34,47 +36,55 @@
         <nb-list-item
           class="list-item"
           [class.selected]="isSelectedHour(item.value)"
-          *ngFor="let item of hoursColumnOptions; trackBy: trackByTimeValues">
+          *ngFor="let item of hoursColumnOptions; trackBy: trackByTimeValues"
+        >
           <nb-timepicker-cell
             [value]="item.text"
             [selected]="isSelectedHour(item.value)"
-            (select)="setHour(item.value)">
+            (select)="setHour(item.value)"
+          >
           </nb-timepicker-cell>
         </nb-list-item>
       </nb-list>
       <nb-list class="values-list">
         <nb-list-item
           class="list-item"
           [class.selected]="isSelectedMinute(item.value)"
-          *ngFor="let item of minutesColumnOptions; trackBy: trackByTimeValues">
+          *ngFor="let item of minutesColumnOptions; trackBy: trackByTimeValues"
+        >
           <nb-timepicker-cell
             [value]="item.text"
             [selected]="isSelectedMinute(item.value)"
-            (select)="setMinute(item.value)">
+            (select)="setMinute(item.value)"
+          >
           </nb-timepicker-cell>
         </nb-list-item>
       </nb-list>
       <nb-list *ngIf="showSeconds()" class="values-list">
         <nb-list-item
           class="list-item"
           [class.selected]="isSelectedSecond(item.value)"
-          *ngFor="let item of secondsColumnOptions; trackBy: trackByTimeValues">
+          *ngFor="let item of secondsColumnOptions; trackBy: trackByTimeValues"
+        >
           <nb-timepicker-cell
             [value]="item.text"
             [selected]="isSelectedSecond(item.value)"
-            (select)="setSecond(item.value)">
+            (select)="setSecond(item.value)"
+          >
           </nb-timepicker-cell>
         </nb-list-item>
       </nb-list>
       <nb-list *ngIf="twelveHoursFormat" class="values-list">
         <nb-list-item
           class="list-item am-pm-item"
           [class.selected]="isSelectedDayPeriod(dayPeriod)"
-          *ngFor="let dayPeriod of dayPeriodColumnOptions; trackBy: trackByDayPeriod">
+          *ngFor="let dayPeriod of dayPeriodColumnOptions; trackBy: trackByDayPeriod"
+        >
           <nb-timepicker-cell
             [value]="dayPeriod"
             [selected]="isSelectedDayPeriod(dayPeriod)"
-            (select)="changeDayPeriod(dayPeriod)">
+            (select)="changeDayPeriod(dayPeriod)"
+          >
           </nb-timepicker-cell>
         </nb-list-item>
       </nb-list>