windows programming with swing

IADCS Diploma CourseSwing Programming

U Nyein OoU Nyein Oo

COO/Director(IT)COO/Director(IT)

Myanma Computer Co.,Myanma Computer Co.,

Copyright: MCC Swing Programming 2

Java Foundation Classes?

Set of Java Class Libraries provides as part of J2SE

Support building GUI and graphics functionality for Java based Client Application

Run on Microsoft Platform and others like Mac OSX and Linux

Easily deployed over the web Rich clients for web services


Features of JFC

Abstract Windowing Toolkits Java 2D Swing GUI Components Accessibility Internationalization


MVC Architecture

Design pattern to Swing UI for JFC Used for constructing entire UI Components Each component has a Model, a View and a

Controller. The model, view ,and controller pieces can

change even while the component is in use.


MVC Design Pattern

Model

ControllerView

Inform the view to update visual

Read the contents

Update the contentsInform view of

state change


What MVC means?

Model is the piece that represents the state and low level behavior of the component.

(stored the data or stage of object) View is the piece that manage the visual

display of the state represented by the model Controller is the piece that manages user

interaction with the model.(handle the event)


Benefits using MVC

To divded large program to views of documents.

A view provides a window into document Multiple views can provide multiple windows

into the document.


Swing Programming

AWT is the heave weight component and it has a peer object for the native GUI

When the components are created they take help of the underlying O/S

Java offers Light weight components that do not have a peer object.

It now popular by Swing UI components


Why Swing?

Uses fewer system resources Add a lot of more sophisticated components Tailor the Look and Feel of program and Extensing of Existing Components for

- Layout Management

- Event handling

- Thread and Swing

- Printing ….etc


Swing Basic

Swing is set of packages build on top of the AWT with number of prebuild classes(over 250 classes and 40UI components)

All swing UI components are started with J for use the terms JFC and Swing interchangeabily


Structure of Swing Components

JContainer Classes

JComponent Classes

All Swing Components


Swing Components

Windows Menus AbstractButton Panels Layouts Icons Borders Toolbars

Labels Buttons List Boxes Combo Boxes Check Boxes Tables Trees


Sub Classes of the JComponent Class

JComponent is the superclass of all swing components. All the components begin with the letter ‘J’. JComponent has the following subclasses:

– AbstractButton class – JButton & JLabel class – JButton – JLabel – JComboBox class – JCheckBox class – Jlist– Jmenu– JPopupMenu– JProgressBar– JScrollBar

– JRadioButton– Jseparator– Jtable– JTextComponent– JToolBar– JTree


Swing PackagesSwing Package Description

javax.swing Contains components, adapters, component models and interfaces. It is the highest-level swing package.

javax.swing.basic Contains the user interface classes that implement the look and feel for swing components.

javax.swing.border Declares the border interface, and classes defining the specific border styles.

javax.swing.plaf Contains the plugable look and feel API.

javax.swing.table Contains the interfaces and classes supporting the swing table component.

javax.swing.text Contains the support classes for the swing document framework.

javax.swing.event Defines the events and event listeners.

javax.swing.tree Provides classes and interfaces that support the JTree component.

javax.swing.undo Provides support classes for undo/redo operations.


Swing Event Handling

For a Java program to run, the interface should be made receptive to user events

Swing handles events with a set of classes called ‘event listeners’

javax.swing.event package defines a set of event listening interfaces and event classes so that they can used with Swing components

There are various events defined in the javax.swing.event package, such as:

– ChangeEvent – DragEvent – ListDataEvent

ListSelectionEvent TableModelEvent TableColumnEvent


Look and Feel

Swing is a real improvement to the AWT, since it supplies rich set of platform GUI components

Platform independence means the components within it are supported across all Java ports

Enables the look and feel of the components to be easily tailored

This is called as Pluggable Look and Feel (L&F) of the swing components

This helps us to create applets and applications that have a look and feel independent to the window platform in which they are executed


Look and Feel Cont;

The look and feel consists of the way the program is presented to the user (looks) & the way user interacts with it (feels).

Swing provides the capability to change the look and feel of the applet or application.

Swing components are not tied to GUI components. It is because of this that we can create applets or applications that will use a specific look and feel. Look and feel is a function of view and controller.


Thank You


1. Frame Test


3. Label Test


4. Button Test


6. Text Area Test


7. CheckBox and Radio Button


8. Listtest Test


9. Color Change Test


10. Editable TextArea Test


11. Border Test


12. Calcuator


13. Combo Example


14. Menu Example


15. Popup Menu Example


16. DialogBox Test


17. Table Test


18. Progress Bar Test


19. Tooltips Test


20. Color Chooser Test


21. File Chooser Test

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