Ajax for Web Application Developers

Chapter 11. Tree View In this chapter, we will be creating an Ajax-enabled tree view component. This component will accept an XML file that will define the structure of the data and render it as a tree view in a specified HTML element or the...

Structuring the Data In order to construct our tree view component, we must first have a way of defining the data. The data we will be defining will be requested by our Ajax engine, so we will create an XML structure to define it. The tree view co...

Handling the Response The TReeManager object is the access point to the component. This object bridges the gap between the Ajax response and the tree object in the view or the GUI. treeManager may be a small object, but it helps to separate the b...

Rendering the GUI The TRee object is the powerhouse in this component because it parses the response data that is received from the treeManager object and creates a tree structure that is later appended to an HTML element or the HTML document body...