attachment list component modifyable by plugin

frontend/src/app/components/work-packages/wp-single-view/wp-single-view.component.ts

@@ -203,6 +203,12 @@ export class WorkPackageSingleViewComponent implements OnInit, OnDestroy {
     return this.hook.call('attributeGroupComponent', group, this.workPackage).pop() || null;
   }
 
+  public attachmentListComponent() {
+    // we take the last registered group component which means that
+    // plugins will have their say if they register for it.
+    return this.hook.call('workPackageAttachmentListComponent', this.workPackage).pop() || null;
+  }
+
   public attachmentUploadComponent() {
     // we take the last registered group component which means that
     // plugins will have their say if they register for it.

frontend/src/app/components/work-packages/wp-single-view/wp-single-view.html

@@ -118,7 +118,11 @@
       </div>
     </div>
 
-    <attachment-list [resource]="workPackage" [selfDestroy]="true"></attachment-list>
+    <ndc-dynamic [ndcDynamicComponent]="attachmentListComponent()"
+                 [ndcDynamicInputs]="{ resource: workPackage,
+                                       selfDestroy: true }">
+    </ndc-dynamic>
+
     <ndc-dynamic [ndcDynamicComponent]="attachmentUploadComponent()"
                  [ndcDynamicInputs]="{ resource: workPackage }">
     </ndc-dynamic>

frontend/src/app/modules/attachments/openproject-attachments.module.ts

@@ -46,7 +46,8 @@ import {AttachmentsUploadComponent} from "core-app/modules/attachments/attachmen
   ],
   entryComponents: [
     AttachmentsComponent,
-    AttachmentsUploadComponent
+    AttachmentsUploadComponent,
+    AttachmentListComponent
   ],
   exports: [
     AttachmentsUploadComponent,

frontend/src/app/modules/work_packages/openproject-work-packages.module.ts

@@ -185,6 +185,7 @@ import {WorkPackagesListComponent} from "core-app/modules/work_packages/routing/
 import {WorkPackageSplitViewComponent} from "core-app/modules/work_packages/routing/wp-split-view/wp-split-view.component";
 import {WorkPackagesFullViewComponent} from "core-app/modules/work_packages/routing/wp-full-view/wp-full-view.component";
 import {AttachmentsUploadComponent} from 'core-app/modules/attachments/attachments-upload/attachments-upload.component';
+import {AttachmentListComponent} from 'core-app/modules/attachments/attachment-list/attachment-list.component';
 
 @NgModule({
   imports: [
@@ -529,6 +530,10 @@ export class OpenprojectWorkPackagesModule {
       hookService.register('workPackageAttachmentUploadComponent', (workPackage:WorkPackageResource) => {
         return AttachmentsUploadComponent;
       });
+
+      hookService.register('workPackageAttachmentListComponent', (workPackage:WorkPackageResource) => {
+        return AttachmentListComponent;
+      });
     };
   }
 }