[Port dspace-7_x] Edit Item, Bitstreams tab: Accessibility improvements

src/app/core/data/object-updates/object-updates.service.stub.ts

@@ -0,0 +1,28 @@
+export class ObjectUpdatesServiceStub {
+
+  initialize = jasmine.createSpy('initialize');
+  saveFieldUpdate = jasmine.createSpy('saveFieldUpdate');
+  getObjectEntry = jasmine.createSpy('getObjectEntry');
+  getFieldState = jasmine.createSpy('getFieldState');
+  getFieldUpdates = jasmine.createSpy('getFieldUpdates');
+  getFieldUpdatesExclusive = jasmine.createSpy('getFieldUpdatesExclusive');
+  isValid = jasmine.createSpy('isValid');
+  isValidPage = jasmine.createSpy('isValidPage');
+  saveAddFieldUpdate = jasmine.createSpy('saveAddFieldUpdate');
+  saveRemoveFieldUpdate = jasmine.createSpy('saveRemoveFieldUpdate');
+  saveChangeFieldUpdate = jasmine.createSpy('saveChangeFieldUpdate');
+  isSelectedVirtualMetadata = jasmine.createSpy('isSelectedVirtualMetadata');
+  setSelectedVirtualMetadata = jasmine.createSpy('setSelectedVirtualMetadata');
+  setEditableFieldUpdate = jasmine.createSpy('setEditableFieldUpdate');
+  setValidFieldUpdate = jasmine.createSpy('setValidFieldUpdate');
+  discardFieldUpdates = jasmine.createSpy('discardFieldUpdates');
+  discardAllFieldUpdates = jasmine.createSpy('discardAllFieldUpdates');
+  reinstateFieldUpdates = jasmine.createSpy('reinstateFieldUpdates');
+  removeSingleFieldUpdate = jasmine.createSpy('removeSingleFieldUpdate');
+  getUpdateFields = jasmine.createSpy('getUpdateFields');
+  hasUpdates = jasmine.createSpy('hasUpdates');
+  isReinstatable = jasmine.createSpy('isReinstatable');
+  getLastModified = jasmine.createSpy('getLastModified');
+  createPatch = jasmine.createSpy('getPatch');
+
+}

src/app/item-page/edit-item-page/edit-item-page.module.ts

@@ -15,7 +15,6 @@ import { ItemPrivateComponent } from './item-private/item-private.component';
 import { ItemPublicComponent } from './item-public/item-public.component';
 import { ItemDeleteComponent } from './item-delete/item-delete.component';
 import { ItemBitstreamsComponent } from './item-bitstreams/item-bitstreams.component';
-import { ItemEditBitstreamComponent } from './item-bitstreams/item-edit-bitstream/item-edit-bitstream.component';
 import { SearchPageModule } from '../../search-page/search-page.module';
 import { ItemCollectionMapperComponent } from './item-collection-mapper/item-collection-mapper.component';
 import { ItemRelationshipsComponent } from './item-relationships/item-relationships.component';
@@ -26,8 +25,6 @@ import { ItemMoveComponent } from './item-move/item-move.component';
 import { ItemEditBitstreamBundleComponent } from './item-bitstreams/item-edit-bitstream-bundle/item-edit-bitstream-bundle.component';
 import { BundleDataService } from '../../core/data/bundle-data.service';
 import { DragDropModule } from '@angular/cdk/drag-drop';
-import { ItemEditBitstreamDragHandleComponent } from './item-bitstreams/item-edit-bitstream-drag-handle/item-edit-bitstream-drag-handle.component';
-import { PaginatedDragAndDropBitstreamListComponent } from './item-bitstreams/item-edit-bitstream-bundle/paginated-drag-and-drop-bitstream-list/paginated-drag-and-drop-bitstream-list.component';
 import { VirtualMetadataComponent } from './virtual-metadata/virtual-metadata.component';
 import { ItemVersionHistoryComponent } from './item-version-history/item-version-history.component';
 import { ItemAuthorizationsComponent } from './item-authorizations/item-authorizations.component';
@@ -83,14 +80,11 @@ import {
     ItemRelationshipsComponent,
     ItemBitstreamsComponent,
     ItemVersionHistoryComponent,
-    ItemEditBitstreamComponent,
     ItemEditBitstreamBundleComponent,
-    PaginatedDragAndDropBitstreamListComponent,
     EditRelationshipComponent,
     EditRelationshipListComponent,
     ItemCollectionMapperComponent,
     ItemMoveComponent,
-    ItemEditBitstreamDragHandleComponent,
     VirtualMetadataComponent,
     ItemAuthorizationsComponent,
     IdentifierDataComponent,

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

@@ -1,4 +1,8 @@
 <div class="item-bitstreams" *ngVar="(bundles$ | async) as bundles">
+  <div class="mt-2" id="reorder-description">
+    <ds-alert [content]="'item.edit.bitstreams.info-alert'" [type]="AlertType.Info"></ds-alert>
+  </div>
+
   <div class="button-row top d-flex mt-2 space-children-mr">
     <button class="mr-auto btn btn-success"
             [attr.aria-label]="'item.edit.bitstreams.upload-button' | translate"
@@ -27,21 +31,13 @@
     </button>
   </div>
 
-  <div *ngIf="item && bundles?.length > 0" class="container table-bordered mt-4">
-    <div class="row header-row font-weight-bold">
-      <div class="{{columnSizes.columns[0].buildClasses()}} row-element">
-        <ds-item-edit-bitstream-drag-handle></ds-item-edit-bitstream-drag-handle>
-        {{'item.edit.bitstreams.headers.name' | translate}}
-      </div>
-      <div class="{{columnSizes.columns[1].buildClasses()}} row-element">{{'item.edit.bitstreams.headers.description' | translate}}</div>
-      <div class="{{columnSizes.columns[2].buildClasses()}} text-center row-element">{{'item.edit.bitstreams.headers.format' | translate}}</div>
-      <div class="{{columnSizes.columns[3].buildClasses()}} text-center row-element">{{'item.edit.bitstreams.headers.actions' | translate}}</div>
-    </div>
-    <ds-item-edit-bitstream-bundle *ngFor="let bundle of bundles"
+  <div *ngIf="item && bundles?.length > 0" class="mt-4 table-border scrollable-table" [ngClass]="{'disabled-overlay': (isProcessingMoveRequest | async)}">
+    <ds-item-edit-bitstream-bundle *ngFor="let bundle of bundles; first as isFirst"
                                    [bundle]="bundle"
                                    [item]="item"
                                    [columnSizes]="columnSizes"
-                                   (dropObject)="dropBitstream(bundle, $event)">
+                                   [isFirstTable]="isFirst"
+                                   aria-describedby="reorder-description">
     </ds-item-edit-bitstream-bundle>
   </div>
   <div *ngIf="bundles?.length === 0"
@@ -74,3 +70,5 @@
     </div>
   </div>
 </div>
+
+<ds-themed-loading *ngIf="isProcessingMoveRequest | async" class="loading-overlay"></ds-themed-loading>

src/app/item-page/edit-item-page/item-bitstreams/item-bitstreams.component.scss

@@ -1,23 +1,4 @@
-.header-row {
-  color: var(--bs-table-dark-color);
-  background-color: var(--bs-table-dark-bg);
-  border-color: var(--bs-table-dark-border-color);
-}
-
-.bundle-row {
-  color: var(--bs-table-head-color);
-  background-color: var(--bs-table-head-bg);
-  border-color: var(--bs-table-border-color);
-}
-
-.row-element {
-  padding: 12px;
-  padding: 0.75em;
-  border-bottom: var(--bs-table-border-width) solid var(--bs-table-border-color);
-}
-
 .drag-handle {
-  visibility: hidden;
   &:hover {
     cursor: move;
   }
@@ -27,10 +8,6 @@
   cursor: move;
 }
 
-:host ::ng-deep .bitstream-row:hover .drag-handle, :host ::ng-deep .bitstream-row-drag-handle:focus .drag-handle {
-  visibility: visible !important;
-}
-
 .cdk-drag-preview {
   margin-left: 0;
   box-sizing: border-box;
@@ -54,3 +31,25 @@
 :host ::ng-deep .larger-tooltip .tooltip-inner {
   max-width: 500px;
 }
+
+.table-border {
+  border: 1px solid #dee2e6;
+}
+
+:host ::ng-deep .pagination {
+  padding-top: 0.5rem;
+}
+
+.scrollable-table {
+  overflow-x: auto;
+}
+
+.disabled-overlay {
+  opacity: 0.6;
+}
+
+.loading-overlay {
+  position: fixed;
+  top: 50%;
+  left: 50%;
+}

src/app/item-page/edit-item-page/item-bitstreams/item-bitstreams.component.spec.ts

@@ -18,14 +18,15 @@ import { ObjectValuesPipe } from '../../../shared/utils/object-values-pipe';
 import { VarDirective } from '../../../shared/utils/var.directive';
 import { BundleDataService } from '../../../core/data/bundle-data.service';
 import { Bundle } from '../../../core/shared/bundle.model';
-import { RestResponse } from '../../../core/cache/response.models';
 import { SearchConfigurationService } from '../../../core/shared/search/search-configuration.service';
 import { RouterStub } from '../../../shared/testing/router.stub';
 import { getMockRequestService } from '../../../shared/mocks/request.service.mock';
 import { createSuccessfulRemoteDataObject, createSuccessfulRemoteDataObject$ } from '../../../shared/remote-data.utils';
 import { createPaginatedList } from '../../../shared/testing/utils.test';
 import { FieldChangeType } from '../../../core/data/object-updates/field-change-type.model';
 import { BitstreamDataServiceStub } from '../../../shared/testing/bitstream-data-service.stub';
+import { ItemBitstreamsService } from './item-bitstreams.service';
+import { getItemBitstreamsServiceStub, ItemBitstreamsServiceStub } from './item-bitstreams.service.stub';
 
 let comp: ItemBitstreamsComponent;
 let fixture: ComponentFixture<ItemBitstreamsComponent>;
@@ -77,6 +78,7 @@ let objectCache: ObjectCacheService;
 let requestService: RequestService;
 let searchConfig: SearchConfigurationService;
 let bundleService: BundleDataService;
+let itemBitstreamsService: ItemBitstreamsServiceStub;
 
 describe('ItemBitstreamsComponent', () => {
   beforeEach(waitForAsync(() => {
@@ -145,9 +147,11 @@ describe('ItemBitstreamsComponent', () => {
       url: url
     });
     bundleService = jasmine.createSpyObj('bundleService', {
-      patch: observableOf(new RestResponse(true, 200, 'OK'))
+      patch: createSuccessfulRemoteDataObject$({}),
     });
 
+    itemBitstreamsService = getItemBitstreamsServiceStub();
+
     TestBed.configureTestingModule({
       imports: [TranslateModule.forRoot()],
       declarations: [ItemBitstreamsComponent, ObjectValuesPipe, VarDirective],
@@ -162,6 +166,7 @@ describe('ItemBitstreamsComponent', () => {
         { provide: RequestService, useValue: requestService },
         { provide: SearchConfigurationService, useValue: searchConfig },
         { provide: BundleDataService, useValue: bundleService },
+        { provide: ItemBitstreamsService, useValue: itemBitstreamsService },
         ChangeDetectorRef
       ], schemas: [
         NO_ERRORS_SCHEMA
@@ -182,56 +187,132 @@ describe('ItemBitstreamsComponent', () => {
       comp.submit();
     });
 
-    it('should call removeMultiple on the bitstreamService for the marked field', () => {
-      expect(bitstreamService.removeMultiple).toHaveBeenCalledWith([bitstream2]);
+    it('should call removeMarkedBitstreams on the itemBitstreamsService', () => {
+      expect(itemBitstreamsService.removeMarkedBitstreams).toHaveBeenCalled();
     });
+  });
 
-    it('should not call removeMultiple on the bitstreamService for the unmarked field', () => {
-      expect(bitstreamService.removeMultiple).not.toHaveBeenCalledWith([bitstream1]);
+  describe('discard', () => {
+    it('should discard ALL field updates', () => {
+      comp.discard();
+      expect(objectUpdatesService.discardAllFieldUpdates).toHaveBeenCalled();
     });
   });
 
-  describe('when dropBitstream is called', () => {
-    const event = {
-      fromIndex: 0,
-      toIndex: 50,
-      // eslint-disable-next-line no-empty,@typescript-eslint/no-empty-function
-      finish: () => {
-      }
-    };
+  describe('reinstate', () => {
+    it('should reinstate field updates on the bundle', () => {
+      comp.reinstate();
+      expect(objectUpdatesService.reinstateFieldUpdates).toHaveBeenCalledWith(bundle.self);
+    });
+  });
 
-    beforeEach(() => {
-      comp.dropBitstream(bundle, event);
+  describe('moveUp', () => {
+    it('should move the selected bitstream up', () => {
+      itemBitstreamsService.hasSelectedBitstream.and.returnValue(true);
+
+      const event = {
+        preventDefault: () => {/* Intentionally empty */},
+      } as KeyboardEvent;
+      comp.moveUp(event);
+
+      expect(itemBitstreamsService.moveSelectedBitstreamUp).toHaveBeenCalled();
+    });
+
+    it('should not do anything if no bitstream is selected', () => {
+      itemBitstreamsService.hasSelectedBitstream.and.returnValue(false);
+
+      const event = {
+        preventDefault: () => {/* Intentionally empty */},
+      } as KeyboardEvent;
+      comp.moveUp(event);
+
+      expect(itemBitstreamsService.moveSelectedBitstreamUp).not.toHaveBeenCalled();
     });
   });
 
-  describe('when dropBitstream is called', () => {
-    beforeEach((done) => {
-      comp.dropBitstream(bundle, {
-        fromIndex: 0,
-        toIndex: 50,
-        finish: () => {
-          done();
-        }
-      });
+  describe('moveDown', () => {
+    it('should move the selected bitstream down', () => {
+      itemBitstreamsService.hasSelectedBitstream.and.returnValue(true);
+
+      const event = {
+        preventDefault: () => {/* Intentionally empty */},
+      } as KeyboardEvent;
+      comp.moveDown(event);
+
+      expect(itemBitstreamsService.moveSelectedBitstreamDown).toHaveBeenCalled();
     });
 
-    it('should send out a patch for the move operation', () => {
-      expect(bundleService.patch).toHaveBeenCalled();
+    it('should not do anything if no bitstream is selected', () => {
+      itemBitstreamsService.hasSelectedBitstream.and.returnValue(false);
+
+      const event = {
+        preventDefault: () => {/* Intentionally empty */},
+      } as KeyboardEvent;
+      comp.moveDown(event);
+
+      expect(itemBitstreamsService.moveSelectedBitstreamDown).not.toHaveBeenCalled();
     });
   });
 
-  describe('discard', () => {
-    it('should discard ALL field updates', () => {
-      comp.discard();
-      expect(objectUpdatesService.discardAllFieldUpdates).toHaveBeenCalled();
+  describe('cancelSelection', () => {
+    it('should cancel the selection', () => {
+      itemBitstreamsService.hasSelectedBitstream.and.returnValue(true);
+
+      const event = {
+        preventDefault: () => {/* Intentionally empty */},
+      } as KeyboardEvent;
+      comp.cancelSelection(event);
+
+      expect(itemBitstreamsService.cancelSelection).toHaveBeenCalled();
+    });
+
+    it('should not do anything if no bitstream is selected', () => {
+      itemBitstreamsService.hasSelectedBitstream.and.returnValue(false);
+
+      const event = {
+        preventDefault: () => {/* Intentionally empty */},
+      } as KeyboardEvent;
+      comp.cancelSelection(event);
+
+      expect(itemBitstreamsService.cancelSelection).not.toHaveBeenCalled();
     });
   });
 
-  describe('reinstate', () => {
-    it('should reinstate field updates on the bundle', () => {
-      comp.reinstate();
-      expect(objectUpdatesService.reinstateFieldUpdates).toHaveBeenCalledWith(bundle.self);
+  describe('clearSelection', () => {
+    it('should clear the selection', () => {
+      itemBitstreamsService.hasSelectedBitstream.and.returnValue(true);
+
+      const event = {
+        target: document.createElement('BODY'),
+        preventDefault: () => {/* Intentionally empty */},
+      } as unknown as KeyboardEvent;
+      comp.clearSelection(event);
+
+      expect(itemBitstreamsService.clearSelection).toHaveBeenCalled();
+    });
+
+    it('should not do anything if no bitstream is selected', () => {
+      itemBitstreamsService.hasSelectedBitstream.and.returnValue(false);
+
+      const event = {
+        target: document.createElement('BODY'),
+        preventDefault: () => {/* Intentionally empty */},
+      } as unknown as KeyboardEvent;
+      comp.clearSelection(event);
+
+      expect(itemBitstreamsService.clearSelection).not.toHaveBeenCalled();
+    });
+
+    it('should not do anything if the event target is not \'BODY\'', () => {
+      itemBitstreamsService.hasSelectedBitstream.and.returnValue(true);
+
+      const event = {
+        target: document.createElement('NOT-BODY'),
+        preventDefault: () => {/* Intentionally empty */},
+      } as unknown as KeyboardEvent;
+      comp.clearSelection(event);
+
+      expect(itemBitstreamsService.clearSelection).not.toHaveBeenCalled();
     });
   });
 });