Book Image

Mastering Ext JS

By : Loiane Groner
Book Image

Mastering Ext JS

By: Loiane Groner

Overview of this book

<p>Ext JS 4 is a JavaScript framework that provides you with the resources to build multi-browser, high-performance, and rich Internet applications.<br /><br />Mastering Ext JS is a practical, hands-on guide that will teach you how to develop a complete application with Ext JS. You’ll begin by learning how to create the project’s structure and login screen before mastering advanced level features such as dynamic menus and master-detail grids, before finally preparing the application for production.<br /><br />Mastering Ext JS will help you to utilize Ext JS to its full potential and will show you how to create a complete Ext JS application from the scratch, as well as explaining how to create a Wordpress theme.</p> <p><br />You will learn how to create user and group security, master-detail grids and forms, charts, trees, and how to export data to excel including PDF and images, always focusing on best practices.</p> <p><br />You will also learn how to customize themes and how to prepare the application to be ready for deployment upon completion. Each chapter of the book is focused on one task and helps you understand and master an individual aspect of the application.</p> <p><br />By the end of the book, you will have learned everything you need to know to truly master Ext JS and to start building advanced applications.</p>
Table of Contents (20 chapters)
Mastering Ext JS
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

Customizing a theme


The first task we will perform in this chapter is customizing a theme for our project. To do so, we will use Sencha Cmd and the terminal application of the operating system.

Ext JS 4.2 introduces new ways of customizing themes compared to previous Ext JS 4 versions. Sencha Cmd now has the capability to generate the complete file structure we need to create a brand new theme. We will do an overview of this new way of customizing themes.

So let's create a new theme step by step. First, with the terminal opened, change the directory to the project's root folder. Then, we will use the following command:

sencha generate theme masteringextjs-theme

The name of our theme is masteringextjs-theme. This command will create a new directory with the name of our theme inside the packages folder as shown in the following screenshot:

The package.json file contains some configurations of the theme used by Sencha Cmd, such as theme name, version, and dependencies.

The sass directory contains...