Home » Enterprise Java » Vaadin » Page 2

Vaadin

Vaadin Https Setup Example

HTTPS is a protocol for secure communication over a computer network which is widely used on the Internet. HTTPS consists of communication over Hypertext Transfer Protocol (HTTP) within a connection encrypted by Transport Layer Security or its predecessor, Secure Sockets Layer. 1. The tools Java JDK 8 Latest Eclipse Mars Vaadin 7.6.6 Tomcat Server 8       2. Introduction ...

Read More »

Vaadin Custom Layout Example

In most GUI frameworks, a Layout manager is used to place widgets on the screen, there are multiple kind of layouts with different laying out policies. 1. The tools Java JDK 8 Latest Eclipse Mars Vaadin 7.6.6 Tomcat Server 8 2. Introduction The Vaadin custom layout uses HTML templates to lay out widgets on the screen, you can combine them ...

Read More »

Vaadin Visual Designer Example

Modern rapid application development environments usually have a visual tool to make the UI. The visual tool allows to put the widgets on the application without use code. 1. The tools Java JDK 8 Latest Eclipse Mars Vaadin 7.6.6 Tomcat Server 8 2. Introduction In this example we are going to bind widgets in Vaadin using some common techniques. We ...

Read More »

Vaadin Data Binding Example

Data binding is a technique that binds the provider of the data with the consumer. Whenever the data change in the provider or the consumer, the changes are reflected in the other side. 1. The tools Java JDK 8 Latest Eclipse Mars Vaadin 7.6.6 Tomcat Server 8 2. Introduction In this example we are going to bind widgets in Vaadin ...

Read More »

Vaadin Example Application

An application is a computer program created to perform a group of useful tasks for an end user. Application could be a vast topic to cover, just because a simple “Hello World” program is an application. Most applications do much more than only print a hello message on the user interface. The “Hello world” application is useful as an initial program ...

Read More »

Vaadin Rest Example

REST stands for Representational State Transfer. Created by Roy Fielding in the year 2000, is a communication protocol where everything is a resource. REST principal characteristics are: client-server, stateless, cache-able, layered and uniform interface to access resources. Resources are accessed using a stateless protocol like HTTP. REST allows text, XML, JSON and other resources. PUT, GET, POST and DELETE methods ...

Read More »

Vaadin Validator Example

Validating user input is very common, you must capture the data and validate it in some form, using a predefined set of rules that have meaning in the context that you are using the data. In this example we are going to see how to validate this data using Vaadin. 1. The tools Java JDK 8 Latest Eclipse Mars Vaadin ...

Read More »

Vaadin Layouts Tutorial

When you need an Application to work with different screen sizes, or you don’t know the screen size of your application, UI frameworks provide layout managers facilities to help position components on the screen. The layout manager has the ability to automatic determine the position and size of the widgets on the screen. In most cases the layout manager is ...

Read More »

Vaadin Architecture Tutorial

The design is the most important part of a program, because a bad design produces bad software. A solid rock design increases the chance of getting good results, of course you still need good programmers but it’s easier to correct clumsy code with a good design. Anyway how do you define code quality or clumsy code? If the code works ...

Read More »

Vaadin Container Example

The relational model is the organization of data into collections of two-dimensional tables called relations, the relational data model was developed for databases but you can use this model to group sets of items and define relations between these sets, a container of sets of items and its relations. 1. The tools Java JDK 8 Latest Eclipse Mars Vaadin 7.6.4 ...

Read More »