Application using GUI Design

Eclipse is an open-source community that builds up open products and platforms. Their projects are centered on establishing an open development platform comprising of extensive tools, run times and frameworks for deploying, building, and managing software. The Eclipse is a non-profit foundation which acts as the custodian of the Eclipse community.
It provides the Rich Client Platform also referred as RCP for developing java based applications. The major components that make it up the rich client platform are:

a) Equinox OSGi
Equinox is a standard bundling framework. It is an Eclipse project that offers a certified implementation of the OSGi R4.x core framework specification.  With respect to its inherent nature, Equinox is a module that permits developers to implement an application as a set of bundles using common services and infrastructure.

b) Core platform

It is known to boot Eclipse and run plug-ins.

c) Standard Widget Toolkit (SWT)

The Standard Widget Toolkit also referred as SWT. It is a graphical widget toolkit to be used with the Java platform. It was developed by IBM and is now maintained by the Eclipse Foundation in collaboration with the Eclipse IDE. It is an substitute to the Swing Java GUI toolkit and Abstract Window Toolkit rendered by Sun Microsystems as component of the Java Platform, Standard Edition.

To exhibit GUI elements, the SWT implementation approaches the native GUI libraries of the operating system using Java Native Interface in a mode similar to programs written using OS specific APIs. Regardless of the fact that the program being written in Java and SWT are portable, the implementation of the toolkit is unique for each platform.

d) JFace

JFace is described as a UI toolkit that renders helper classes for development of user interface features that can be tedious to implement. It is a layer that is on top of the raw widget system and offers classes for handling common user interface programming tasks. It contributes model view controller programming to the Standard Widget Toolkit.

It offers Viewer classes that handle the tedious tasks of sorting, populating updating and filtering widgets.

It also offers Actions to permit users to describe their own behavior and to attribute that behavior to specific components, e.g. tool items,menu items,  push buttons etc.

It offers registries that accommodate Images and Fonts

It also describes standard dialogs,  wizards and a framework for establishing complex interactions with the user

Its main aim is to relax the developer up, letting him to concentrate on the implementation of particular application without being worried with the fundamental widget system or figuring out issues that are common in UI applications.

Some instances of applications that are using SWT are listed below:

i) IBM Rational Software products i.e Rational Application Developer, Rational Software Architect, Rational Team Concert.

ii) IBM Lotus Software including Sometime, Notes, Expeditor and Symphony.

iii) Vuze, once known as Azureus

iv) Eclipse and its plug-ins Application using Swing API.
v) GumTree Platform, it is a scientific workbench.

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