Ext.tree.Panel class is a great component in Ext JS and also a great tool when we want to display hierarchical data; a good example of this is a file directory application.
Ext.tree.Panel extends from
Ext.panel.Table, which is the same class that the
Ext.grid.Panel extends from. The features like columns, sorting, filtering, renderers, drag-and-drop, the plugins, and extensions are expected to work in
Ext.tree.Panel as well. The main difference between the
Ext.tree.Panel classes is the way they render data.
In this chapter we'll learn how
Ext.tree.Panel works, its versatility, and ease of use.
The topics we are going to cover in this chapter are as follows: