Xafari Hierarchy Node List Editor

Xafari platform offers a set of tools facilitating convenient work with business objects organized using a tree-like hierarchy.
Such objects are featured with the following possibilities:

  • The hierarchy structure is displayed in a List View by means of the special editors: Win Hierarchy Node List Editor, ASPx Hierarchy Node List Editor, and ASPx Explorer List Editor. Hierarchy Node List Editors are List Editors that display data in the form of a hierarchical structure.
  • Several hierarchies support. A user can change hierarchies in the runtime mode.

To see Hierarchy Node List Editors work example, refer to the figures below.

hierarchy Node List Editor win
hierarchy Node List Editor web

The Hierarchy Node List Editor enables users to monitor a whole hierarchy in one list. There are three modes of deletion:

  • Default - deletion of an object and all references to it. All the child items become the root items.
  • Replacement - when a node is deleted, all its child elements are moved one position up in the hierarchy, taking the position of the parent item.
  • Cascade - an object is deleted with all its child items.

To detect the child items, it’s possible to use one of the three ways below:

  • Direct Database Count - send the “Exists()” query to the database directly.
  • Collection Count - receives a collection of child items and compares the number of its elements to zero.
  • Default - in case none of the items is being edited, the Direct Database Count, or Collection Count, in other words, is applied.
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