January 2014
Intermediate to advanced
408 pages
13h 12m
English
This chapter covers
In this chapter you’ll learn about the Ext JS tree panel, which is used to display hierarchical data, much like a typical filesystem. You’ll learn how to set up both static and dynamic implementations of this widget. After getting comfortable with this component, you’ll set up CRUD operations by using a data store and a dynamically updating context menu.
To understand trees you first need to understand hierarchy. Hierarchy is an arrangement of relationships where items belong above, under, or at the same level as ...