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 – using an InlineDateField component

Let's change the DateField example a little bit:

  1. Open or import the datefield example in your IDE.

  2. Replace DateField with InlineDateField in

  3. Deploy and run the example.

What just happened?

This is the result you get:

You cannot type the year now, you have to select it from the component.

Uploading files

Study this simple example that displays (in the console) the content of a text file uploaded by the user:

public class UploadUI extends UI implements Receiver {
  protected void init(VaadinRequest request) {
    Upload upload = new Upload(
        "Select a text file and look at the console",

    VerticalLayout layout = new VerticalLayout();

  public OutputStream receiveUpload(String filename,
      String mimeType) {
    return new OutputStream() {
      public void write(int b) throws IOException {