Class MiniChat

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Panel
                    |
                    +--java.applet.Applet
                          |
                          +--javax.swing.JApplet
                                |
                                +--MiniChat

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.event.ActionListener, java.util.EventListener, java.awt.image.ImageObserver, java.awt.MenuContainer, javax.swing.RootPaneContainer, java.io.Serializable

public class MiniChat

extends javax.swing.JApplet

implements java.awt.event.ActionListener

MiniChat class is where code starts execution. It sets up the GUI, gets the host IP, and sets up the event listeners.

See Also:

Serialized Form

Inner classes inherited from class javax.swing.JApplet

javax.swing.JApplet.AccessibleJApplet

Inner classes inherited from class java.applet.Applet

java.applet.Applet.AccessibleApplet

Inner classes inherited from class java.awt.Panel

java.awt.Panel.AccessibleAWTPanel

Inner classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Inner classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent

Field Summary

java.awt.Container	ChatRootPane This is the container used to hold the chat text.
javax.swing.JScrollPane	ChatScrollPane This scroll pane is used to create a vertically scrollable chat window
javax.swing.JTextArea	ChatText This is the actual big chat text area.
javax.swing.JPanel	MainPanel Applets content pane
java.awt.FlowLayout	MainPanelLayout Layout manager for the MainPanel object
ChatConnection	MiniChatConnection Object that actually performs the network communication stuff with the server
javax.swing.JButton	SendMessage Button that sends the message to other users.
javax.swing.JTextField	UserMessage This field is where the user types in a new message for the chat window.

Fields inherited from class javax.swing.JApplet

accessibleContext, rootPane, rootPaneCheckingEnabled

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

MiniChat()

Method Summary

void	actionPerformed(java.awt.event.ActionEvent AEvent) This event listener only listens for the send message event, all others are ignored.
void	init() Applet interface method that is called initially.
void	initializeComponents() Initializes all the user interface components.

Methods inherited from class javax.swing.JApplet

addImpl, createRootPane, getAccessibleContext, getContentPane, getGlassPane, getJMenuBar, getLayeredPane, getRootPane, isRootPaneCheckingEnabled, paramString, processKeyEvent, remove, setContentPane, setGlassPane, setJMenuBar, setLayeredPane, setLayout, setRootPane, setRootPaneCheckingEnabled, update

Methods inherited from class java.applet.Applet

destroy, getAppletContext, getAppletInfo, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, getParameterInfo, isActive, newAudioClip, play, play, resize, resize, setStub, showStatus, start, stop

Methods inherited from class java.awt.Panel

addNotify

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, removeAll, removeContainerListener, removeNotify, setFont, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getInputContext, getInputMethodRequests, getLocation, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isDisplayable, isDoubleBuffered, isEnabled, isFocusTraversable, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, processMouseMotionEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, reshape, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setForeground, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ChatRootPane

public java.awt.Container ChatRootPane

This is the container used to hold the chat text. The container is used by the ChatScrollPane

ChatText

public javax.swing.JTextArea ChatText

This is the actual big chat text area.

UserMessage

public javax.swing.JTextField UserMessage

This field is where the user types in a new message for the chat window. It also has an action listener for when the user hits return it is the same action as pressing the send button.

SendMessage

public javax.swing.JButton SendMessage

Button that sends the message to other users. Has same event listener as the UserMessage JTextField

ChatScrollPane

public javax.swing.JScrollPane ChatScrollPane

This scroll pane is used to create a vertically scrollable chat window

MainPanel

public javax.swing.JPanel MainPanel

Applets content pane

MainPanelLayout

public java.awt.FlowLayout MainPanelLayout

Layout manager for the MainPanel object

MiniChatConnection

public ChatConnection MiniChatConnection

Object that actually performs the network communication stuff with the server

Constructor Detail

MiniChat

public MiniChat()

Method Detail

initializeComponents

public void initializeComponents()

Initializes all the user interface components. Sets up the GUI properties, and displays the GUI.

init

public void init()

Applet interface method that is called initially. This method calls the GUI initialization method and opens the MiniChatConnection object

Overrides:

init in class java.applet.Applet

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent AEvent)

This event listener only listens for the send message event, all others are ignored. When a message is sent, it executes the MiniChatConnection sendMessage method.

Specified by:

actionPerformed in interface java.awt.event.ActionListener