Book Image

Lift Application Development Cookbook

By : Gilberto Tadeu Garcia Jun
Book Image

Lift Application Development Cookbook

By: Gilberto Tadeu Garcia Jun

Overview of this book

Developing secure web applications is one of the most important tasks developers have to deal with. With Lift, it is easy to create solid and formidable web applications as it is the most secure web framework available today. The View-First approach and being able to handle things as purely data transformation, makes working with Lift an exciting task. "Lift Application Development Cookbook" teaches you how to build web applications using this amazing framework. The book moves gradually, starting with the basics (starting a new project, submitting a form, and so on) before covering more advanced topics such as building a REST API and integrating your application with other technologies and applications. "Lift Application Development Cookbook" takes you on a journey of creating secure web applications. Step-by-step instructions help you understand how things work and how various elements relate to each other. You'll learn different ways to process a form, build dynamic HTML pages, and create an API using REST. You'll also learn how to work with relational and NoSQL databases and how to integrate your application with other technologies as well as with third-part applications such as Gmail and Facebook. By the end of the book, you will be able to understand how Lift works and be able to build web applications using this amazing and exciting framework.
Table of Contents (15 chapters)
Lift Application Development Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Transforming HTML elements using their IDs


Suppose you are building a page and you want to show some unique information, such as the user name and the total amount of a shopping cart; what would you do?

You will probably need to add the information that you want to show into some tags with a unique identifier.

This is exactly what we will learn to do in this recipe.

Getting ready

You can use the code from the examples we used in the recipes of the previous chapter or you can start a new project.

How to do it...

An HTML element can be transformed by using the following steps:

  1. Add the following code into the index.html file:

    <div data-lift="Calculator.plus">
      2 + 2 = <span id="result">some number</span>
    </div>
  2. Create a Calculator object inside the snippet folder with the following code:

    import net.liftweb.util.BindHelpers._
    object Calculator {
      def plus = "#result *" #> (2 + 2)
    }
  3. Start the application and access http://localhost:8080. You should see a page similar to the...