119176: Add aria-labels to buttons

Author: AAwouters

src/app/item-page/edit-item-page/item-bitstreams/item-edit-bitstream-bundle/item-edit-bitstream-bundle.component.html

@@ -40,6 +40,7 @@
             <div class="btn-group">
               <button [routerLink]="[itemPageRoute, 'bitstreams', 'new']"
                       [queryParams]="{bundle: bundle.id}"
+                      [attr.aria-label]="'item.edit.bitstreams.bundle.edit.buttons.upload' | translate"
                       class="btn btn-outline-success btn-sm"
                       title="{{'item.edit.bitstreams.bundle.edit.buttons.upload' | translate}}">
                 <i class="fas fa-upload fa-fw"></i>
@@ -101,21 +102,25 @@
               <div class="text-center w-100">
                 <div class="btn-group relationship-action-buttons">
                   <a [href]="entry.downloadUrl"
+                     [attr.aria-label]="'item.edit.bitstreams.edit.buttons.download' | translate"
                      class="btn btn-outline-primary btn-sm"
                      title="{{'item.edit.bitstreams.edit.buttons.download' | translate}}"
                      [attr.data-test]="'download-button' | dsBrowserOnly">
                     <i class="fas fa-download fa-fw"></i>
                   </a>
                   <button [routerLink]="['/bitstreams/', entry.id, 'edit']" class="btn btn-outline-primary btn-sm"
+                          [attr.aria-label]="'item.edit.bitstreams.edit.buttons.edit' | translate"
                           title="{{'item.edit.bitstreams.edit.buttons.edit' | translate}}">
                     <i class="fas fa-edit fa-fw"></i>
                   </button>
                   <button [disabled]="!canRemove(update)" (click)="remove(entry.bitstream)"
+                          [attr.aria-label]=" 'item. edit bitstreams.edit.buttons.remove' | translate"
                           class="btn btn-outline-danger btn-sm"
                           title="{{'item.edit.bitstreams.edit.buttons.remove' | translate}}">
                     <i class="fas fa-trash-alt fa-fw"></i>
                   </button>
                   <button [disabled]="!canUndo(update)" (click)="undo(entry.bitstream)"
+                          [attr.aria-label]="'item.edit.bitstreams.edit.buttons.undo' | translate"
                           class="btn btn-outline-warning btn-sm"
                           title="{{'item.edit.bitstreams.edit.buttons.undo' | translate}}">
                     <i class="fas fa-undo-alt fa-fw"></i>