/**
  * Opens a dialog to update permissions for a node.
  * @param nodeId ID of the target node
  * @param title Dialog title
  * @returns Node with updated permissions
  */
 updateNodePermissionByDialog(nodeId?: string, title?: string): Observable<Node> {
     return this.contentService.getNode(nodeId, { include: ['allowableOperations'] })
         .pipe(
             switchMap((node) => {
                 return this.openAddPermissionDialog(node.entry, title)
                     .pipe(
                         switchMap((selection) => {
                             return this.nodePermissionService.updateNodePermissions(nodeId, selection);
                         })
                     );
             })
         );
 }

 /**
  * Handles 'upload-files' events raised by child components.
  *
  * @param event DOM event
  */
 onUploadFiles(event: CustomEvent) {
     event.stopPropagation();
     event.preventDefault();
     let isAllowed: boolean = this.contentService.hasAllowableOperations(event.detail.data.obj.entry, AllowableOperationsEnum.CREATE);
     if (isAllowed) {
         let fileInfo: FileInfo[] = event.detail.files;
         if (this.isTargetNodeFolder(event)) {
             const destinationFolderName = event.detail.data.obj.entry.name;
             fileInfo.map((file) => file.relativeFolder = destinationFolderName ? destinationFolderName.concat(file.relativeFolder) : file.relativeFolder);
         }
         if (fileInfo && fileInfo.length > 0) {
             this.uploadFilesInfo(fileInfo);
         }
     }
 }

    /**
     * Opens a dialog to add permissions to a node.
     * @param node ID of the target node
     * @param title Dialog title
     * @returns Node with updated permissions
     */
    openAddPermissionDialog(node: Node, title?: string): Observable<NodeEntry[]> {
        if (this.contentService.hasAllowableOperations(node, AllowableOperationsEnum.UPDATEPERMISSIONS)) {
            const confirm = new Subject<NodeEntry[]>();

            confirm.subscribe({
                complete: this.close.bind(this)
            });

            const data: AddPermissionDialogData = {
                nodeId: node.id,
                title: title,
                confirm: confirm
            };

            this.openDialog(data, 'adf-add-permission-dialog', '630px');
            return confirm;
        } else {
            let errors = new Error(JSON.stringify({ error: { statusCode: 403 } }));
            errors.message = 'PERMISSION_MANAGER.ERROR.NOT-ALLOWED';
            return throwError(errors);
        }
    }

 ngAfterViewInit() {
     const hasAllowableOperations = this.contentService.hasAllowableOperations(this.node, AllowableOperationsEnum.LOCK);
     this.renderer.setProperty(this.element.nativeElement, 'disabled', !hasAllowableOperations);
 }