Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Vaadin 7 Cookbook

You're reading from   Vaadin 7 Cookbook Take the shortcut to developing rich internet applications in pure Java. Vaadin makes it easy and this cookbook makes it easier still with its practical recipes and straightforward approach.

Arrow left icon
Product type Paperback
Published in Apr 2013
Publisher
ISBN-13 9781849518802
Length 404 pages
Edition Edition
Languages
Tools
Arrow right icon
Toc

Table of Contents (19) Chapters Close

Vaadin 7 Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Creating a Project in Vaadin 2. Layouts FREE CHAPTER 3. UI Components 4. Custom Widgets 5. Events 6. Messages 7. Working with Forms 8. Spring and Grails Integration 9. Data Management 10. Architecture and Performance 11. Facilitating Development 12. Fun Index

Inserting a button to remove a table row


When we are working with tables, we can use a useful feature for generating columns. In Vaadin, a table is created according to the Container that is used as a data source. If we use the BeanItemContainer class, then for each field in the container bean one column is generated. So, if we want to add an other column, we can generate it using the Table.addGeneratedColumn() method. This generated column exists only in the Table, not as a property in the underlying Container. We will use it for generating buttons that remove a current row, as shown in the following screenshot:

How to do it...

Carry out the following steps to learn how to insert a new column in the table:

  1. We create a Vaadin project with the main UI class called Demo as follows:

    public class Demo extends UI {…}
  2. Our table will be a list of some products with prices. Therefore, we start with bean Product. This bean consists of name and price. We create an appropriate constructor and we also...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime