Book Image

Easy Web Development with WaveMaker

By : Edward Callahan
Book Image

Easy Web Development with WaveMaker

By: Edward Callahan

Overview of this book

Developers of all levels can now easily develop custom, responsive, and rich web application clients with secure, scalable servers utilizing relational databases and RESTful services using WaveMaker Studio. Whether you need a departmental business application or a form application for your weekend club, this book will show you how to design, develop, and deploy professional grade web applications with WaveMaker. Easy Web Development with WaveMaker will help you use WaveMaker to design, develop, and deploy rich, responsive web applications, even if you are not a programmer. If you need to build a data-driven web application, but you only know ‘enough to be dangerous,' you need this book. This book examines every angle of using WaveMaker to build applications, from dissecting examples to customizing, deploying, and debugging your own applications. This book enables the non-professional programmer to become comfortable not only with using WaveMaker Studio itself, but also with the artefacts produced by the studio as well as the runtime and services provided by the WaveMaker framework. You will learn everything, from how customize the user experience with JavaScript and CSS to integrating with custom Java services and the Spring Framework server-side. Easy Web Development with WaveMaker 6.5 is packed with examples, code samples, screenshots, and links to equip you to be successful with WaveMaker Studio.
Table of Contents (23 chapters)
Easy Web Development with WaveMaker
About the Author
About the Reviewers
Styling the Application
Working with Databases
Utilizing Web Services

Setting and getting values

The getting and setting of values is very common in JavaScript page functions. Whether it is to validate user input, assemble input values to service calls, or generate messages and summaries, page code often reads and writes component values. It is best practice to use setters and getters whenever available. Getters and setters are the functions that get and set values on an object. They almost always use set and get in their name, such as getDataValue(), setCaption(), and setDataValue(). The use of getters, and especially setters, instead of performing an assignment ensures that change notifications and any required refreshing of the component takes place.

Take, for example, a label named labelTitle. We might be tempted to assign the caption to a value as shown in the following line of code:


Now, what happens if we use the preceding line of code to assign a new value to a caption via the console? Well, nothing. We will not see...