Ext JS in Action

Chapter 6. Ext JS takes form

This chapter covers

• Getting to know the basics of FormPanel input fields
• Creating custom ComboBox templates
• Creating a complex layout FormPanel

We just finished exploring how to organize UI widgets with the various layout managers in the Ext framework. From here, we’ll spring into learning how to instantiate and manage Ext JS form elements. After all, what’s any application without user input?

It should be no surprise to hear that developing and designing forms is a common task for web developers. Managing form validation is what JavaScript was mainly used for just a few years ago. Ext JS goes beyond typical form validation, building on the basic HTML input fields to both add features for the developer and enhance ...