Resource List

If an application allows a customer to create and use multiple resources, it must also provide the most convenient ways for the customer to overview that list, find necessary resources, and operate them. For this, APS JS SDK and the platform user panel provides typical list processing mechanisms that the applications should use.

Grid or Tiles

In a user panel, a presentation of multiple resources is typically arranged in a grid or in a set of tiles. In some cases, for example, a list of users, it is possible to switch from the Grid mode to Tiles and backward by wrapping both, grid and tiles definitions inside an aps/ListSwitcher.

Resource Properties

A resource may have plenty of properties that can be displayed in a list. But when designing the list presentation of resources, only a few properties can fit on a page in the form of the columns. Be sure to show only those properties that are most important for the users.

Search Bar

For a long list of resources, an application should use the search bar with various search criteria.

Sorting

When developing a service, the default list sorting criteria must be taken into consideration. Any new service brings to the platform new resources. The way they are sorted in a list by default is very important. Follow the general principles below:

• If resources in the list are created by the application, it is better to sort them by time in descending order. The same is applied to the event notifications.

• If the resources are created by a user, it is better to sort them in the alphabetical order.

• If there is a critical resource usage counter, it is reasonable to sort the list by that counter in descending order.

The aps/Grid module provides the sort attribute for this purpose.

Paging

Paging is used to break a very long list into groups to better fit a page length with a navigation between pages. It also allows you to avoid overloading the system UI with huge data transmissions.

The aps/Grid module allows tuning the number of items in a list by means of the rowsPerPage property:

Actions

If a user needs to perform a typical operation over a group of resources, the aps/Grid module allows the user to select the required resources to start the operation.

Dynamical Resource List

In a case when a view must allow a customer to dynamically add or delete resources in a list, the best solution is to use an aps/WidgetList container.

An aps/WidgetList normally presents every resource in a separate aps/Panel, but can also use aps/Grid or aps/Tiles in accordance with the Widget Hierarchy rules.

Documents

APS JS SDK provides the following UI containers to implement the above-mentioned group processing:

• aps/Grid is a full API reference to the main widget container that provides the considered functionality.

• Resource List illustrates development of a view presenting a list of resources for lookup and management.

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