Book Image

Vaadin 7 UI Design By Example: Beginner's Guide

Book Image

Vaadin 7 UI Design By Example: Beginner's Guide

Overview of this book

Vaadin is a mature, open-source, and powerful Java framework used to build modern web applications in plain Java. Vaadin brings back the fun of programming UI interfaces to the web universe. No HTML, no CSS, no JavaScript, no XML. Vaadin lets you implement web user interfaces using an object oriented model, similar to desktop technologies such as Swing and AWT. Vaadin 7 UI Design By Example: Beginner's Guide is an engaging guide that will teach you how to develop web applications in minutes. With this book, you will Develop useful applications and learn basics of Java web development. By the end of the book you will be able to build Java web applications that look fantastic. The book begins with simple examples using the most common Vaadin UI components and quickly move towards more complex applications as components are introduced chapter-by-chapter. Vaadin 7 UI Design By Example: Beginner's Guide shows you how to use Eclipse, Netbeans, and Maven to create Vaadin projects. It then demonstrates how to use labels, text fields, buttons, and other input components. Once you get a grasp of the basic usage of Vaadin, the book explains Vaadin theory to prepare you for the rest of the trip that will enhance your knowledge of Vaadin UI components and customization techniques.
Table of Contents (17 chapters)
Vaadin 7 UI Design By Example Beginner's Guide
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

Images, Flash, video, audio, and other web content


In the previous section, we saw how to add an icon to a component through a ClassResource instance. A Resource represents web content such as images, flash files, audio files, video, or even an external web page.

Note

Vaadin has two flavors of resources: Generic resources (implement Resource) and connector resources (implement ConnectorResource). A connector resource is specialized in the sense that it will connect to a resource through the Vaadin Servlet while a generic resource will bypass the Servlet.

We can choose from five Resource implementations:

Class

Description

Example

ExternalResource

Fetches a resource from a location specified by URL. The resource is fetched directly by the client.

ExternalResource(
"http://alejandrodu.com")

ThemeResource

Vaadin applications can use a theme. A theme is a collection of web resources such as HTML templates, and CSS files. This implementation fetches the resource from the directory where the...