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feat: split autocomple to another component
Refs: #302
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44 changes: 44 additions & 0 deletions
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projects/design-angular-kit/src/lib/components/form/autocomplete/autocomplete.component.html
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| <div class="form-group"> | ||
| <label *ngIf="label" [for]="id" class="visually-hidden">{{ label }}</label> | ||
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| <input | ||
| [id]="id" | ||
| type="search" | ||
| class="autocomplete" | ||
| [placeholder]="placeholder" | ||
| [formControl]="control" | ||
| [class.is-invalid]="isInvalid" | ||
| [class.is-valid]="isValid" | ||
| (blur)="markAsTouched()" | ||
| (keydown)="onKeyDown()" /> | ||
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| <span class="autocomplete-icon" aria-hidden="true"> | ||
| <it-icon name="search" size="sm"></it-icon> | ||
| </span> | ||
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| <ng-container *ngIf="autocompleteResults$ | async as autocomplete"> | ||
| <ul class="autocomplete-list" [class.autocomplete-list-show]="autocomplete.relatedEntries?.length && showAutocompletion"> | ||
| <li *ngFor="let entry of autocomplete.relatedEntries; trackBy: autocompleteItemTrackByValueFn"> | ||
| <a [href]="entry.link" (click)="onEntryClick(entry, $event)"> | ||
| <div class="avatar size-sm" *ngIf="entry.avatarSrcPath"> | ||
| <img [src]="entry.avatarSrcPath" [alt]="entry.avatarAltText" /> | ||
| </div> | ||
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| <it-icon *ngIf="entry.icon" [name]="entry.icon" size="sm"></it-icon> | ||
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| <span class="autocomplete-list-text"> | ||
| <span [innerHTML]="entry.value | markMatchingText: autocomplete.searchedValue"></span> | ||
| <em *ngIf="entry.label">{{ entry.label }}</em> | ||
| </span> | ||
| </a> | ||
| </li> | ||
| </ul> | ||
| </ng-container> | ||
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| <div *ngIf="isInvalid" class="form-feedback just-validate-error-label" [id]="id + '-error'"> | ||
| <div #customError> | ||
| <ng-content select="[error]"></ng-content> | ||
| </div> | ||
| <ng-container *ngIf="!customError.hasChildNodes()">{{ invalidMessage | async }}</ng-container> | ||
| </div> | ||
| </div> |
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...ts/design-angular-kit/src/lib/components/form/autocomplete/autocomplete.component.spec.ts
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| import { ComponentFixture, TestBed } from '@angular/core/testing'; | ||
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| import { ItAutocompleteComponent } from './autocomplete.component'; | ||
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| describe('AutocompleteComponent', () => { | ||
| let component: ItAutocompleteComponent; | ||
| let fixture: ComponentFixture<ItAutocompleteComponent>; | ||
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| beforeEach(() => { | ||
| TestBed.configureTestingModule({ | ||
| declarations: [ItAutocompleteComponent], | ||
| }); | ||
| fixture = TestBed.createComponent(ItAutocompleteComponent); | ||
| component = fixture.componentInstance; | ||
| fixture.detectChanges(); | ||
| }); | ||
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| it('should create', () => { | ||
| expect(component).toBeTruthy(); | ||
| }); | ||
| }); |
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projects/design-angular-kit/src/lib/components/form/autocomplete/autocomplete.component.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| import { ChangeDetectionStrategy, Component, EventEmitter, Input, OnInit, Output } from '@angular/core'; | ||
| import { ItAbstractFormComponent } from 'design-angular-kit/abstracts/abstract-form.component'; | ||
| import { AutocompleteItem } from 'design-angular-kit/interfaces/form'; | ||
| import { debounceTime, distinctUntilChanged, map, Observable, of, switchMap } from 'rxjs'; | ||
| import { AsyncPipe, NgForOf, NgIf, NgTemplateOutlet } from '@angular/common'; | ||
| import { ItIconComponent } from 'design-angular-kit/components/utils/icon/icon.component'; | ||
| import { MarkMatchingTextPipe } from 'design-angular-kit/pipes/mark-matching-text.pipe'; | ||
| import { ReactiveFormsModule } from '@angular/forms'; | ||
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| @Component({ | ||
| standalone: true, | ||
| selector: 'it-autocomplete[autocompleteData]', | ||
| templateUrl: './autocomplete.component.html', | ||
| imports: [AsyncPipe, ItIconComponent, MarkMatchingTextPipe, NgForOf, NgIf, NgTemplateOutlet, ReactiveFormsModule], | ||
| changeDetection: ChangeDetectionStrategy.OnPush, | ||
| }) | ||
| export class ItAutocompleteComponent extends ItAbstractFormComponent<string | null | undefined> implements OnInit { | ||
| /** | ||
| * Indicates the list of searchable elements on which to base the input autocomplete system | ||
| * If you need to retrieve items via API, can pass a function of Observable | ||
| * @default undefined | ||
| */ | ||
| @Input({ required: true }) autocompleteData!: Array<AutocompleteItem> | ((search?: string | null) => Observable<Array<AutocompleteItem>>); | ||
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| /** | ||
| * Time span [ms] has passed without another source emission, to delay data filtering. | ||
| * Useful when the user is typing multiple letters | ||
| * @default 300 [ms] | ||
| */ | ||
| @Input() debounceTime = 300; | ||
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| /** | ||
| * The input placeholder | ||
| */ | ||
| @Input() placeholder = ''; | ||
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| /** | ||
| * Fired when the Autocomplete Item has been selected | ||
| */ | ||
| @Output() autocompleteSelectedEvent: EventEmitter<AutocompleteItem> = new EventEmitter(); | ||
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| protected showAutocompletion = false; | ||
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| /** Observable da cui vengono emessi i risultati dell'auto completamento */ | ||
| protected autocompleteResults$: Observable<{ | ||
| searchedValue: string | undefined | null; | ||
| relatedEntries: Array<AutocompleteItem>; | ||
| }> = new Observable(); | ||
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| override ngOnInit() { | ||
| super.ngOnInit(); | ||
| this.autocompleteResults$ = this.getAutocompleteResults$(); | ||
| } | ||
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| /** | ||
| * Create the autocomplete list | ||
| */ | ||
| private getAutocompleteResults$(): Observable<{ | ||
| searchedValue: string | null | undefined; | ||
| relatedEntries: Array<AutocompleteItem>; | ||
| }> { | ||
| return this.control.valueChanges.pipe( | ||
| debounceTime(this.debounceTime), // Delay filter data after time span has passed without another source emission, useful when the user is typing multiple letters | ||
| distinctUntilChanged(), // Only if searchValue is distinct in comparison to the last value | ||
| switchMap(searchedValue => { | ||
| if (!this.autocompleteData) { | ||
| return of({ | ||
| searchedValue, | ||
| relatedEntries: <Array<AutocompleteItem>>[], | ||
| }); | ||
| } | ||
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| const autoCompleteData$ = Array.isArray(this.autocompleteData) ? of(this.autocompleteData) : this.autocompleteData(searchedValue); | ||
| return autoCompleteData$.pipe( | ||
| map(autocompleteData => { | ||
| if (!searchedValue || typeof searchedValue === 'number') { | ||
| return { searchedValue, relatedEntries: [] }; | ||
| } | ||
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| const lowercaseValue = searchedValue.toLowerCase(); | ||
| const relatedEntries = autocompleteData.filter(item => item.value?.toLowerCase().includes(lowercaseValue)); | ||
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| return { searchedValue, relatedEntries }; | ||
| }) | ||
| ); | ||
| }) | ||
| ); | ||
| } | ||
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| protected onEntryClick(entry: AutocompleteItem, event: Event) { | ||
| // Se non è stato definito un link associato all'elemento dell'autocomplete, probabilmente il desiderata | ||
| // non è effettuare la navigazione al default '#', pertanto in tal caso meglio annullare la navigazione. | ||
| if (!entry.link) { | ||
| event.preventDefault(); | ||
| } | ||
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| this.autocompleteSelectedEvent.next(entry); | ||
| this.control.setValue(entry.value); | ||
| this.showAutocompletion = false; | ||
| } | ||
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| protected autocompleteItemTrackByValueFn(index: number, item: AutocompleteItem) { | ||
| return item.value; | ||
| } | ||
|
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| protected onKeyDown() { | ||
| this.showAutocompletion = true; | ||
| } | ||
| } |
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