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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | 1x 1012x 1012x 1012x 292x 2x | /**
* Copyright (c) Siemens 2016 - 2025
* SPDX-License-Identifier: MIT
*/
import { Directive, HostBinding, HostListener } from '@angular/core';
import { SiAutocompleteListboxDirective } from './si-autocomplete-listbox.directive';
import { SiAutocompleteOptionDirective } from './si-autocomplete-option.directive';
@Directive({
selector: 'input[siAutocomplete]',
host: {
role: 'combobox',
'aria-autocomplete': 'list'
},
exportAs: 'siAutocomplete'
})
export class SiAutocompleteDirective<T> {
/** @internal */
listbox?: SiAutocompleteListboxDirective<T>;
@HostBinding('attr.aria-activedescendant')
protected get activeDescendant(): string {
return this.listbox?.active?.id() ?? '';
}
@HostBinding('attr.aria-controls')
protected get ariaControls(): string | undefined {
return this.listbox?.id();
}
@HostBinding('attr.aria-expanded')
protected get expanded(): boolean {
return !!this.listbox;
}
@HostListener('keydown', ['$event'])
protected keydown(event: KeyboardEvent): void {
this.listbox?.onKeydown(event);
}
get active(): SiAutocompleteOptionDirective<T> | undefined | null {
return this.listbox?.active;
}
}
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