Flex on Rails: Building Rich Internet Applications with Adobe Flex 3 and Rails 2

18 Advanced DataGrid and Awesome Nested Set

Goal

You want to read and manipulate structured, hierarchical data exposed by a RESTful Rails application using the Flex Advanced DataGrid component.

Solution

Expose the nested set as a RESTful resource providing the create, update, and delete verbs, as well as a custom move verb, to support manipulating hierarchical data from the Flex application using the standard HTTPService component.

Overview

Flex Builder Professional provides the advanced data grid component, which can display hierarchical data and provides advanced features, such a multicolumn sorting, data grouping, and summaries. Rails supports nested sets, which can easily be displayed and manipulated with the advanced ...