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

Creating the dynamic menu


So the first component that we are going to implement in this chapter is the dynamic menu. We could use only a Tree panel to display the menu, but we do like a challenge and we want to offer the best experience to the user. So, we are going to implement a dynamic menu using Accordion Layout and Tree panels, which is a more advanced dynamic menu. Our system consists of modules, and each module has subitems, which are the screens of our system. An Accordion panel will represent the modules; this way the user can expand and see the menu items of each module at a time. And for the options of each module, we will use a Tree panel; each menu item will be a node from the Tree panel.

So, at the end of this topic, we will have a dynamic menu like the following screenshot:

The database model – groups, menus, and permissions

We have already created the User and Groups table. To store the information of the menu and its menu items and also the permissions that each group has,...