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 an abstract Grid panel for reuse


Now is the time to implement views. We have to implement five views: one to perform the CRUD operations for Actors, one for Categories, one for Languages, one for Cities, and one for Countries.

The following screenshot represents the final result we want to achieve after implementing the Actors screen:

And the following screenshot represents the final result we want to achieve after implementing the Categories screen:

Noticed anything similar between these two screens? Let's take a look again:

The top-most toolbar is the same (1); there is a live Search capability (2), a Filters plugin (4), and the Last Update and action columns (3). Going a little bit further, both the Grid panels can be edited using a cell editor plugin. The things that are different between these two screens are the columns that are specific to each screen (5). Does this mean we can reuse a good part of the code if we use inheritance by creating a super Grid panel with all these common...