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Learning Ext JS 4 by Armando Gonzalez, Crysfel Villa

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Creating a module

Let's work on the client module. In Chapter 1, The Basics, we defined a mockup for this module. Let's take a look at the mockup so we can remember what we need to do:

Creating a module

We need a grid to show the existing clients. We should allow users to edit each client by double-clicking on the row. In the left-hand side form we can edit existing records, create new clients, or delete them. To keep things simple we are not going to use a database or any server-side code for this example, we are only going to send and read data from JSON files.

We need to start by creating the controller that is loaded when the user clicks on one of the options of ...

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