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
About the Author
About the Reviewers

Time for action – creating a new Vaadin theme

Follow these steps to create a new Vaadin theme:

  1. Open the themes example application on your IDE.

  2. Create a new VAADIN/themes/cool/ folder besides your WEB-INF folder:

  3. Create a new file styles.scss in the newly created directory and let your fingers type this into the new file:

    @import "cool.scss";
    .cool {
      @include cool;
  4. Create a new file cool.scss in the newly created directory and allow your fingers to type this into the new file:

    @import "../chameleon/chameleon.scss";
    @mixin cool {
      @include chameleon;
  5. Use the theme in ThemesUI:

    public class ThemesUI extends UI {
      // ...
  6. Run the application and make sure that it's using the chameleon theme.

What just happened?

We've just created a new theme with the name cool. Configuring @Theme("cool") will make Vaadin search for a cool directory inside VAADIN/themes/. More precisely, Vaadin will load the file VAADIN/themes/cool/styles.scss.

The first line of syles.scss imports another file...