Book Image

ExtGWT Rich Internet Application Cookbook

By : Odili Charles Opute , Oded Nissan
Book Image

ExtGWT Rich Internet Application Cookbook

By: Odili Charles Opute , Oded Nissan

Overview of this book

<p>Get ready to build the next generation Gmail, Facebook, or Meebo, with HTML5 and Server Push, taking advantage of the power and versatility of Java with ExtGWT. Sencha Ext GWT takes GWT to the next level, giving you high-performance widgets, feature-rich templates and layouts, advanced charting, data loaders and stores,&nbsp; accessibility, and much more.<br /><br /><i>ExtGWT Rich Internet Application Cookbook will teach you to quickly build&nbsp; stunning functionality into your own apps with ExtGWT</i>.<br /><br />This is a catalog of practical solutions to get your ExtGWT web app up and running in no time, with tips for persistence and best practices. You begin by playing with panels, windows, and tabs, to learn the essentials. Next, you engage yourself with forms, buttons, toolbars and menus to build on further. Dealing with the UI and the trees will follow to help you make stunning user interfaces. Then you will be taught to work with Listview, Views, and Gridpanels, the more complex problems. The book will then deal with charts, visualization, and drag and drop to take you to the next level. Finally, you will wind up with serialization, persistence, and custom theming. Now, you are an expert!</p>
Table of Contents (22 chapters)
ExtGWT Rich Internet Application Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Event Handling — Making Those GUIs Do Something
Jakarta Commons-FileUpload

Setting a default theme


There are three built-in themes in the standard GXT distribution: Blue (the all too familiar default), Gray, and Slate. Each of these themes (and any other for that matter) encapsulates a set of images and CSS for the peculiar styling it performs on the UI components.

Although GXT comes with the Blue theme set as default, we can easily change it to any other theme that we deem appropriate; after all it just takes a single line of code.

The following screenshot shows components using the gray theme:

Getting ready

The GXT system expects that theme resources will reside under a gxt folder within the web applications root directory and unless otherwise stated by a custom theme. The GXT system will look at this default location whenever it needs to load a theme, therefore one must ensure that things are properly set up upfront.

  1. 1. Ensure that there is a gxt folder on the floor of your web application's war directory, if not, make one.

  2. 2. Copy the images folder (which contains...