ants.move.core.teacher.chat
Class ChatWindow

java.lang.Object
  |
  +--ants.move.core.teacher.chat.ChatWindow

All Implemented Interfaces:

ChatListener, ants.core.PlaceListener

public class ChatWindow

extends java.lang.Object

implements ChatListener, ants.core.PlaceListener

Implementation of Chat User Interface.

Version:

1.20 Build 2000

Author:

Carles Pairot (cpairot@tinet.org), Oriol Montalà (omontala@tinet.org)

Constructor Summary

ChatWindow(ChatModel cm, java.awt.TextField cF, java.awt.TextArea cA, java.awt.List cU, ants.core.Place p)
Sole constructor.

Method Summary

void	addThing(java.lang.String thingKey)
void	addUsers()
void	chatField_actionPerformed(java.awt.event.ActionEvent e) chatField's actionPerformed() method.
void	chatUsers_actionPerformed(java.awt.event.ActionEvent e)
void	consoleMessage(java.lang.String msg) Display a system message on the Chat Window.
void	init() Applet's entry point.
void	onMessage(java.util.Hashtable ht) Method triggered when a message arrives.
void	removeThing(java.lang.String thingKey)
void	userJoined(java.lang.String u) Method triggered when a user arrives.
void	userLeft(java.lang.String u) Method triggered when a user leaves the place.
void	usersChanged(java.lang.String u) Method triggered when hung users have been detected
void	writeLine(java.lang.String msg) Displays message on Chat Window.

Methods inherited from class java.lang.Object

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

Constructor Detail

ChatWindow

public ChatWindow(ChatModel cm,
                  java.awt.TextField cF,
                  java.awt.TextArea cA,
                  java.awt.List cU,
                  ants.core.Place p)

Sole constructor.

Parameters:

iclass - Chat internal class

Throws:

exceptions - No exceptions thrown

Method Detail

init

public void init()

Applet's entry point.

Parameters:

params - None

Returns:

No return value

Throws:

exceptions - No exceptions thrown

addUsers

public void addUsers()

consoleMessage

public void consoleMessage(java.lang.String msg)

Display a system message on the Chat Window.

Parameters:

String - Message

Returns:

No return value

Throws:

exceptions - No exceptions thrown

chatField_actionPerformed

public void chatField_actionPerformed(java.awt.event.ActionEvent e)

chatField's actionPerformed() method.

Parameters:

e - Event

Returns:

No return value

Throws:

exceptions - No exceptions thrown

chatUsers_actionPerformed

public void chatUsers_actionPerformed(java.awt.event.ActionEvent e)

writeLine

public void writeLine(java.lang.String msg)

Displays message on Chat Window.

Specified by:

writeLine in interface ChatListener

Parameters:

msg - String to be displayed

Returns:

No return value

Throws:

exceptions - No exceptions thrown

userJoined

public void userJoined(java.lang.String u)

Description copied from interface: ants.core.PlaceListener

Method triggered when a user arrives.

Specified by:

userJoined in interface ants.core.PlaceListener

Following copied from interface: ants.core.PlaceListener

Parameters:

userName - New user`s name

userLeft

public void userLeft(java.lang.String u)

Description copied from interface: ants.core.PlaceListener

Method triggered when a user leaves the place.

Specified by:

userLeft in interface ants.core.PlaceListener

Following copied from interface: ants.core.PlaceListener

Parameters:

userName - Name of leaving user.

onMessage

public void onMessage(java.util.Hashtable ht)

Description copied from interface: ants.core.PlaceListener

Method triggered when a message arrives.

Specified by:

onMessage in interface ants.core.PlaceListener

Following copied from interface: ants.core.PlaceListener

Parameters:

evt - Hashtable event containing the received event.

usersChanged

public void usersChanged(java.lang.String u)

Description copied from interface: ants.core.PlaceListener

Method triggered when hung users have been detected

Specified by:

usersChanged in interface ants.core.PlaceListener

Following copied from interface: ants.core.PlaceListener

Parameters:

users - Current users in that place.

addThing

public void addThing(java.lang.String thingKey)

removeThing

public void removeThing(java.lang.String thingKey)