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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 57 58 59 | 1x 1x 1x 1x 1x 1x 1x 1x 2x 1x | import { ChangeDetectionStrategy, Component, EventEmitter, Input, 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 Checkbox Component displays a filter group. The items of the filter group are presented as checkboxes.
*
* @example
* <ish-filter-checkbox
* [filterElement]="element"
* (applyFilter)="applyFilter($event)"
* </ish-filter-checkbox>
*/
@Component({
selector: 'ish-filter-checkbox',
templateUrl: './filter-checkbox.component.html',
changeDetection: ChangeDetectionStrategy.OnPush,
})
export class FilterCheckboxComponent {
@Input({ required: true }) filterElement: Filter;
@Output() applyFilter: EventEmitter<{ searchParameter: URLFormParams }> = new EventEmitter();
/**
* two-way-binding (banana in a box) [(showAll)]="showAllElements[element.name]"
*/
@Output()
showAllChange = new EventEmitter<boolean>();
private showAllValue = false;
@Input()
get showAll() {
return this.showAllValue;
}
set showAll(val) {
this.showAllValue = val;
this.showAllChange.emit(this.showAllValue);
}
filter(facet: Facet) {
this.applyFilter.emit({ searchParameter: facet.searchParameter });
}
/**
* sort selected to top, increase limitCount to selectedCount on showLess
*/
getFacets() {
const facets = [...this.filterElement.facets];
const selectedFacetsCount = facets.filter(x => x.selected).length;
return this.showAll || this.filterElement.limitCount === -1
? facets
: facets
.sort((a, b) => (a.selected > b.selected ? -1 : a.selected < b.selected ? 1 : 0))
.slice(0, Math.max(this.filterElement.limitCount || 0, selectedFacetsCount));
}
}
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