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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 47 48 49 50 51 52 53 54 55 56 | 2x 2x 2x 2x 2x 2x 4x 2x 2x 4x 2x | import { ChangeDetectionStrategy, Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
import { Facet } from 'ish-core/models/facet/facet.model';
import { Filter } from 'ish-core/models/filter/filter.model';
import { URLFormParams } from 'ish-core/utils/url-form-params';
/**
* The Filter Dropdown Component displays a filter group. The items of the filter group are presented as a dropdown menu.
*
* @example
* <ish-filter-dropdown
* [filterElement]="element"
* [placeholderType]="'selectedFacets'"
* (applyFilter)="applyFilter($event)">
* </ish-filter-dropdown>
*/
@Component({
selector: 'ish-filter-dropdown',
templateUrl: './filter-dropdown.component.html',
changeDetection: ChangeDetectionStrategy.OnPush,
styleUrls: ['./filter-dropdown.component.scss'],
})
export class FilterDropdownComponent implements OnInit {
@Input({ required: true }) filterElement: Filter;
@Input() placeholderType: 'groupName' | 'selectedFacets' = 'groupName';
@Output() applyFilter: EventEmitter<{ searchParameter: URLFormParams }> = new EventEmitter();
placeholder = '';
apply(facet: Facet) {
this.applyFilter.emit({ searchParameter: facet.searchParameter });
}
trackByFn(_: number, item: Facet) {
return item.name;
}
ngOnInit() {
this.initPlaceHolder();
}
private initPlaceHolder() {
this.placeholder = this.filterElement.name;
const selectedFacets = this.filterElement.facets.filter(x => x.selected);
Iif (this.placeholderType === 'selectedFacets') {
const placeholder = selectedFacets.map(x => x.displayName).join(', ');
Iif (placeholder) {
this.placeholder = placeholder;
}
}
}
}
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