Merge pull request #3918 from tdonohue/port_3385_to_8x

[Port dspace-8_x] Accessibility when selecting a search filter

Author: tdonohue

src/app/shared/search/search-filters/search-filter/search-facet-filter-options/search-facet-option/search-facet-option.component.html

@@ -2,7 +2,7 @@
    [tabIndex]="-1"
    [routerLink]="[searchLink]"
    [queryParams]="addQueryParams$ | async"
-   (click)="filterService.minimizeAll()">
+   (click)="announceFilter(); filterService.minimizeAll()">
   <label class="mb-0 d-flex w-100">
     <input type="checkbox" [checked]="false" class="my-1 align-self-stretch filter-checkbox"/>
     <span class="w-100 pl-1 break-facet">

src/app/shared/search/search-filters/search-filter/search-facet-filter-options/search-facet-option/search-facet-option.component.ts

@@ -12,14 +12,18 @@ import {
   Router,
   RouterLink,
 } from '@angular/router';
-import { TranslateModule } from '@ngx-translate/core';
+import {
+  TranslateModule,
+  TranslateService,
+} from '@ngx-translate/core';
 import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
 
 import { PaginationService } from '../../../../../../core/pagination/pagination.service';
 import { SearchService } from '../../../../../../core/shared/search/search.service';
 import { SearchConfigurationService } from '../../../../../../core/shared/search/search-configuration.service';
 import { SearchFilterService } from '../../../../../../core/shared/search/search-filter.service';
+import { LiveRegionService } from '../../../../../../shared/live-region/live-region.service';
 import { currentPath } from '../../../../../utils/route.utils';
 import { ShortNumberPipe } from '../../../../../utils/short-number.pipe';
 import { FacetValue } from '../../../../models/facet-value.model';
@@ -75,6 +79,8 @@ export class SearchFacetOptionComponent implements OnInit {
               protected searchConfigService: SearchConfigurationService,
               protected router: Router,
               protected paginationService: PaginationService,
+              protected liveRegionService: LiveRegionService,
+              private translateService: TranslateService,
   ) {
   }
 
@@ -119,4 +125,11 @@ export class SearchFacetOptionComponent implements OnInit {
     return getFacetValueForType(this.filterValue, this.filterConfig);
   }
 
+  /**
+   * Announces to the screen reader that the page will be reloaded, which filter has been selected
+   */
+  announceFilter() {
+    const message = this.translateService.instant('search-facet-option.update.announcement', { filter: this.filterValue.value });
+    this.liveRegionService.addMessage(message);
+  }
 }

src/assets/i18n/en.json5

@@ -6775,4 +6775,6 @@
   "register-page.registration.aria.label": "Enter your e-mail address",
 
   "forgot-email.form.aria.label": "Enter your e-mail address",
+
+  "search-facet-option.update.announcement": "The page will be reloaded. Filter {{ filter }} is selected.",
 }

src/assets/i18n/es.json5

@@ -10201,5 +10201,6 @@
   // "forgot-email.form.aria.label": "Enter your e-mail address",
   "forgot-email.form.aria.label": "Introduzca su dirección de correo electrónico",
 
-
-}
+  // "search-facet-option.update.announcement": "The page will be reloaded. Filter {{ filter }} is selected.",
+  "search-facet-option.update.announcement": "La página será recargada. Filtro {{ filter }} seleccionado.",
+}

src/assets/i18n/pt-BR.json5

@@ -10258,4 +10258,7 @@
 
   // "forgot-email.form.aria.label": "Enter your e-mail address",
   "forgot-email.form.aria.label": "Digite seu e-mail",
+
+  // "search-facet-option.update.announcement": "The page will be reloaded. Filter {{ filter }} is selected.",
+  "search-facet-option.update.announcement": "A página será recarregada. O filtro {{ filter }} foi selecionado.",
 }