MindSphere Web Components
IDL List View

Info

This component requires access to a package of Integrated Data Lake (IDL) - see for example the IDL Essential .
Furthermore the related roles have to be assigned to the application when this component is used.

The Integrated Data Lake (IDL) List View displays a list of objects/folders for given or default bucket storage path. This view component provides feature like download objects and copy path. Note that download object is available for objects only, not for folders.

By default the root storage path i.e. '/' will be taken to display object/folders on first load.

This component has two types of view modes: 'Table' and 'List'. See details below.

Examples¶

IDL-List-View

Interface¶

Selector¶

<mdsp-idl-list-view></mdsp-idl-list-view>

Properties¶

Name	Type	Corresponding attribute	Default	Description	Allowed Values
context	`string`	context		Configures the context of the component. See also here.
errorNotification	`boolean`	error-notification		Enables error control if an error is thrown. This can be used for debug purposes. For productive use, the error event should be caught and handled in the application. See also here.
folderOnly	`boolean`	folder-only	false	Shows only folders if the value is true, else folders and objects on the current path will be shown.
hideBackButton	`boolean`	hide-back-button	false	Hides Back button from list view if `true`.
hideListBreadcrumb	`boolean`	hide-list-breadcrumb	false	Hides breadcrumb if `true`.
locale	`string`	locale		Specifies the locale in which the component is displayed. The locales `en` and `de` are provided by default. See also here.
localeManager	`LocaleManager`			Returns a LocaleManager object. This can be used to add locales or to get the locale settings. See also here.
model	`IdlListDataModelProxy`			Returns an object for data model handling, refer to IdlListDataModelProxy model.
multiSelectable	`boolean`	multi-selectable	false	Enables selection of multiple events at once if `true`.
searchHidden	`boolean`	search-hidden	false	Hides the search field if `true`.
selectable	`boolean`	selectable	false	Enables the checkbox if value is true.
selectedObjectPath	`string`	selected-object-path	'/'	Specifies selected path when item is selected.
showCopyPath	`boolean`	show-copy-path	true	Hide copy path overlay if value is false.
showEmptyState	`boolean`	show-empty-state	false	Display default component empty state area if no data found.
storagePath	`string`	storage-path	'/'	Configures storage path to fetch folders/objects.
subtenantId	`string`	subtenant-id	undefined	Specify subtenant ID for Tenant behalf of subtenant use case to fetch folders/objects.
viewMode	`ViewMode`	view-mode	Table	Configures the view mode to render component in Table or List mode.	- List - Table

Events¶

Name	Type	Description
listItemSelected	`EventEmitter<ExplorerListItem>`	Triggered when item is clicked.
downloadObjectClicked	`EventEmitter<DownloadObject>`	Triggered when download object from table view clicked.
listDataLoaded	`EventEmitter<ListResponse>`	Triggered when list/table view data loaded.
breadcrumbClicked	`EventEmitter<string>`	Triggered when breadcrumb navigation from table view is clicked.
itemChecked	`EventEmitter<ExplorerListItem[]>`	Triggered when the checkbox is checked. Only visible if multiSelectable is set to true.
itemUnchecked	`EventEmitter<MultiSectionChanged>`	Triggered when the checkbox is unchecked. Only visible if multiSelectable is set to true.
copyPathClicked	`EventEmitter<string>`	Triggered when copy path is clicked.
backButtonClicked	`EventEmitter<BackButtonModel>`	Triggered when back button from List view mode is clicked.
searchFilterEnabled	`EventEmitter<boolean>`	Triggered when search filter applied.
selectedObjectPathChanged	`EventEmitter<string>`	Triggered when object path is set using selectedObjectPath property.
connected	`EventEmitter<any>`	Triggered after the component is created, initialized and appended to the DOM tree.
error	`EventEmitter<MdspUiError>`	Triggered when an error occurs in the component or while accessing APIs. See also here.

Models¶

ListObjectsResponse

interface ListObjectsResponse {
    storageAccount: string;
    storagePath: string;
    objects: {
        files: StorageObject[];
        folders: StorageObject[];
    };
    page: {
        size: number;
        nextToken: string;
    };
    isTruncated: boolean;
}

interface StorageObject {
    key: string;
    lastModified?: string;
    contentSize?: number;
    storageClass?: string;
}

ExplorerListItem

interface ExplorerListItem {
    isSelected?: boolean;
    isExpanded?: boolean;
    isFolder?: boolean;
    label?: string;
    path: string;
    routerLink?: string[];
    queryParams?: { path: string };
    storagePath?: string;
    size?: number;
    displaySize: string;
    type: string;
    lastModified?: Date | string;
    metadataTags?: string[];
    storageClass?: string;
    pathLabel?: string;
}

ViewMode

export enum ViewMode {
    LIST = 'List',
    TABLE = 'Table'
}

DownlaodObject

interface DownlaodObject {
    path: string,
    isObjSizeExceeded: boolean
}

ListResponse

interface ListResponse {
    isDataLoaded: boolean;
    items?: ExplorerListItem[];
}

ContractDetails

interface ContractDetails {
    key?: string;        
    value?: string;        
    folderName: string;        
    fullPath: string;        
    storagePathQueryParams?: { selected: string, path: string };
}

Roles¶

mdsp:core:idlmanager.xxx

Snippets¶

Default view to display objects/folders for root storage path¶

<mdsp-idl-list-view [storage-path]="'/'"></mdsp-idl-list-view>

const idlListViewComp = document.querySelector('mdsp-idl-list-view');
idlListViewComp.storagePath = '/test';

1. Table View:¶

View mode can be selected by using viewMode property. The default value for viewMode is Table. Pagination is enabled by default and will be visible if page more than 1.

<mdsp-idl-list-view #mdspIdlViewComponent
                    [storage-path]="'/'"
                    error-notification="false"
                    view-mode="Table"
                    pager-mode="Hidden"
                    show-empty-state="false">
</mdsp-idl-list-view>

2. List View:¶

To select list view mode, viewMode property should be set to 'List'.

Basic configuration¶

<mdsp-idl-list-view #mdspIdlViewComponent show-empty-state="false" [path]="'/'"
                    view-mode="List"
                    (itemChecked)="onItemChecked($event)"
                    (itemUnchecked)="onItemUnchecked($event)"
                    (objectListLoaded)="objectListLoaded($event)">
</mdsp-idl-list-view>

Advanced configuration¶

Additional properties like selectable, folder-only can be set/configured. * Setting selectable property value as 'true' will enable checkbox. Default value is false. * Setting folder-only property value as 'true' will display only folders in list view. Default value is false.

<mdsp-idl-list-view #mdspIdlViewComponent show-empty-state="false" [path]="'/'"
                    selectable="true" view-mode="List" folder-only="true"
                    (itemChecked)="onItemChecked($event)"
                    (itemUnchecked)="onItemUnchecked($event)"
                    (objectListLoaded)="objectListLoaded($event)">
</mdsp-idl-list-view>

By default, Search filter is enabled in List mode. To hide search filter, set search-hidden to true.

Set object path using property¶

Use selected-object-path prperty to set paht adn redirect to it directly.

document.querySelector('mdsp-idl-list-view').selectedObjectPath = 'data/ten=punvs1/CustomerData/CustDemogAndalucia.csv';

IDL-List-View-Selected-Object-Path

Listening to Events¶

The following sample configuration for how to listen to events sent by web component. See Events table for more details.

<mdsp-idl-list-view #mdspIdlViewComponent
    [storage-path]="'/'"
    error-notification="false"
    view-mode="Table"
    pager-mode="Hidden"
    show-empty-state="false"
    (downloadObjectClicked)="downloadObjectClicked($event)"
    (listItemSelected)="onListItemSelected($event)"
    (breadcrumbClicked)="onBreadcrumbClick($event)">
</mdsp-idl-list-view>

Use Simple Paging¶

By default a pagination component will be shown if records are more than 100.

<mdsp-idl-list-view [storage-path]="'/'"></mdsp-idl-list-view>

Simple paging

Refresh the IDL list view¶

The data model of the IDL list view can be refreshed to get the latest objects/folders, for example to update the view cyclically.

idlListViewComp.model.refresh();

Example: Assign unique id to component selector as shown below

<mdsp-idl-list-view #mdspIdlViewComponent
    [storage-path]="'/'"
    error-notification="false"
    pager-mode="Hidden"
    show-empty-state="false"
    (downloadObjectClicked)="downloadObjectClicked($event)"
    (listItemSelected)="onListItemSelected($event)"
    (breadcrumbClicked)="onBreadcrumbClick($event)">
</mdsp-idl-list-view>

Add following code in typescript:

@ViewChild('mdspIdlViewComponent', {static: false })
public idlViewComponent!: ElementRef;

this.idlViewComponent?.nativeElement?.model?.refresh();

Show/Hide empty state area¶

Default value for show-empty-state is 'true'. In this case the component will show default empty state as below.

<mdsp-idl-list-view [storage-path]="'/'"></mdsp-idl-list-view>

This property if set to 'false', default empty state box (No record found section) will be hide. A consumer application can add their own logic to implement.

<mdsp-idl-list-view [storage-path]="'/'" show-empty-state="false"></mdsp-idl-list-view>

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Last update: October 13, 2022

MindSphere Web ComponentsIDL List View