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

Formatting data with a basic template


The template class in the GXT toolkit provides a very simple mechanism for generating formatted HTML fragments from data objects which can be instances of ModelData or Params.

Once we apply the data to the Template object, the result is the formatted HTML interpolated with values from the provided data.

How to do it...

Instantiate a Template object with a string representing the desired HTML formatting and the placeholders. We will replace the Template placeholders with values using a Params object.

//Local convenience method
private String getTemplate(){
StringBuilder sb = new StringBuilder();
sb.append("<p>Age: {age}</p>");
sb.append("<p>Sex: {gender}</p>");
sb.append("<p>Name: {name}</p>");
sb.append("<p>Email: {email}</p>");
sb.append("<p>Purchases: {purchases:number(\"00.00\")}</p>");
return sb.toString();
};
@Override
public void onApply() {
// Create a Template with the HTML from getTemplate...