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edu.virginia.cs.mng.hypercast.demo
Class WBFrame

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Window
                    |
                    +--java.awt.Frame
                          |
                          +--javax.swing.JFrame
                                |
                                +--edu.virginia.cs.mng.hypercast.demo.WBFrame

public class WBFrame
extends javax.swing.JFrame

See Also:: Serialized Form

Inner classes inherited from class javax.swing.JFrame

javax.swing.JFrame.AccessibleJFrame

Inner classes inherited from class java.awt.Component

java.awt.Component.AWTTreeLock

Field Summary
`(package private) boolean`	`aboutopen`
`(package private) int`	`activepage` The current/active page.
`(package private) java.awt.Color`	`back` Color.
`(package private) boolean`	`backclear`
`(package private) java.awt.BorderLayout`	`borderLayout1`
`(package private) boolean`	`busy`
`(package private) int`	`chosentool` The current tool chosen by the current user.
`(package private) javax.swing.JPanel`	`contentPane`
`(package private) DrawArea`	`darea`
`(package private) java.util.Vector`	`dareas`
`(package private) java.util.Vector`	`entries` Vector internally used to store all drawing entries.
`(package private) int`	`entryid` The ID used to identify the current drawing entry.
`(package private) java.awt.Color`	`fore` Color.
`(package private) boolean`	`foreclear`
`(package private) java.awt.GridBagLayout`	`gridBagLayout1`
`private int`	`HEIGHT`
`(package private) java.lang.String`	`id` The person ID used for user interface.
`(package private) javax.swing.JMenuBar`	`jMenuBar1`
`(package private) javax.swing.JMenu`	`jMenuFile`
`(package private) javax.swing.JMenuItem`	`jMenuFileExit`
`(package private) javax.swing.JMenuItem`	`jMenuFileSave`
`(package private) javax.swing.JMenu`	`jMenuHelp`
`(package private) javax.swing.JMenuItem`	`jMenuHelpAbout`
`(package private) javax.swing.JPanel`	`jPanel1`
`(package private) javax.swing.JPanel`	`jPanel2`
`(package private) javax.swing.JPanel`	`jPanel3`
`(package private) javax.swing.JPanel`	`jPanel6`
`(package private) WBSocket`	`m_wbSock` The I_OverlaySocket object used to communicate with other whiteboards.
`(package private) char`	`nextc` Next character when you use a TEXT tool.
`(package private) ColorPanel`	`panColor`
`(package private) PagePanel`	`panPage`
`(package private) ToolPanel`	`panTool`
`(package private) UserPanel`	`panUser`
`(package private) javax.swing.JScrollPane`	`panWb`
`(package private) boolean`	`pensizeopen`
`(package private) int`	`penwidth` The current pen width.
`(package private) int`	`personid` The person ID internally used.
`(package private) int`	`textsize` The current text size.
`(package private) boolean`	`textsizeopen`
`(package private) javax.swing.border.TitledBorder`	`titledBorder1`
`(package private) javax.swing.border.TitledBorder`	`titledBorder2`
`(package private) int`	`totalpages` Number of total pages.
`(package private) java.util.Hashtable`	`userlist` Hashtable internally used to store all users.
`private int`	`WIDTH`

Fields inherited from class javax.swing.JFrame

accessibleContext,  
defaultCloseOperation,  
rootPane,  
rootPaneCheckingEnabled

Fields inherited from class java.awt.Frame

base,  
CROSSHAIR_CURSOR,  
DEFAULT_CURSOR,  
E_RESIZE_CURSOR,  
frameSerializedDataVersion,  
HAND_CURSOR,  
icon,  
ICONIFIED,  
mbManagement,  
menuBar,  
MOVE_CURSOR,  
N_RESIZE_CURSOR,  
nameCounter,  
NE_RESIZE_CURSOR,  
NORMAL,  
NW_RESIZE_CURSOR,  
ownedWindows,  
resizable,  
S_RESIZE_CURSOR,  
SE_RESIZE_CURSOR,  
serialVersionUID,  
state,  
SW_RESIZE_CURSOR,  
TEXT_CURSOR,  
title,  
W_RESIZE_CURSOR,  
WAIT_CURSOR,  
weakThis

Fields inherited from class java.awt.Window

active,  
base,  
focusMgr,  
inputContext,  
nameCounter,  
OPENED,  
ownedWindowList,  
serialVersionUID,  
state,  
warningString,  
weakThis,  
windowListener,  
windowSerializedDataVersion

Fields inherited from class java.awt.Container

component,  
containerListener,  
containerSerializedDataVersion,  
dispatcher,  
layoutMgr,  
maxSize,  
ncomponents,  
serialVersionUID

Fields inherited from class java.awt.Component

actionListenerK,  
adjustmentListenerK,  
appContext,  
assert,  
background,  
BOTTOM_ALIGNMENT,  
CENTER_ALIGNMENT,  
changeSupport,  
componentListener,  
componentListenerK,  
componentOrientation,  
componentSerializedDataVersion,  
containerListenerK,  
cursor,  
dropTarget,  
enabled,  
eventMask,  
focusListener,  
focusListenerK,  
font,  
foreground,  
hasFocus,  
height,  
incRate,  
inputMethodListener,  
inputMethodListenerK,  
isInc,  
isPacked,  
itemListenerK,  
keyListener,  
keyListenerK,  
LEFT_ALIGNMENT,  
locale,  
LOCK,  
minSize,  
mouseListener,  
mouseListenerK,  
mouseMotionListener,  
mouseMotionListenerK,  
name,  
nameExplicitlySet,  
newEventsOnly,  
ownedWindowK,  
parent,  
peer,  
peerFont,  
popups,  
prefSize,  
RIGHT_ALIGNMENT,  
serialVersionUID,  
textListenerK,  
TOP_ALIGNMENT,  
valid,  
visible,  
width,  
windowListenerK,  
x,  
y

Constructor Summary
`WBFrame()`

Method Summary
`void`	`add(Entry e, boolean send)` To add a drawing entry to the vector and draw it to the whiteboard.
`(package private) void`	`addpage(boolean mine)` To add one page to the current whiteboar.
`(package private) boolean`	`adduser(int id, java.lang.String name)` Add a user to the user list.
`(package private) Entry`	`ddfind(int x, int y)` To find an entry according to a given coordinate.
`(package private) void`	`doInits()` To do some startup things, mainly some internal data members.
`(package private) void`	`dropuser(int id)` To remove a user from the user list.
`(package private) Entry`	`efind(int pid, int eid)` To find a specific entry according to a person ID and the entry ID.
`(package private) Entry`	`find(int x, int y)` To find an entry according to a given coordinate.
`(package private) int`	`findnewid(int pid)` To get a new entry ID according to the given person ID.
`(package private) void`	`flippage()`
`java.awt.Dimension`	`GetMinimalSize()`
`(package private) boolean`	`inside(int index, int x1, int y1, int x2, int y2)` To determine whether the given entry is in the given region.
`private void`	`jbInit()` Component initialization
`void`	`jMenuFileDump_actionPerformed(java.awt.event.ActionEvent e)`
`void`	`jMenuFileExit_actionPerformed(java.awt.event.ActionEvent e)`
`void`	`jMenuFileSave_actionPerformed(java.awt.event.ActionEvent e)`
`void`	`jMenuHelpAbout_actionPerformed(java.awt.event.ActionEvent e)`
`(package private) void`	`leavenet()` The local whiteboard declares its quit to all others.
`(package private) int`	`myhash(java.lang.String s)` A customized hash algorithm, calculate a hashing result for a string.
`(package private) void`	`panTool_mouseClicked(java.awt.event.MouseEvent e)`
`(package private) void`	`panTool_mousePressed(java.awt.event.MouseEvent e)`
`protected void`	`processWindowEvent(java.awt.event.WindowEvent e)` Overridden so we can exit when window is closed
`Entry`	`typing(int pid)` To find the current TEXT entry according to the given person ID.
`void`	`updatedrawcolors()` To update the current color.
`void`	`writeJpegFile(java.lang.String sFilename, java.awt.Image img)`

Methods inherited from class javax.swing.JFrame

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

Methods inherited from class java.awt.Frame

, 
addNotify, 
addToFrameList, 
constructComponentName, 
finalize, 
getCursorType, 
getFrames, 
getIconImage, 
getMenuBar, 
getState, 
getTitle, 
initIDs, 
isResizable, 
postProcessKeyEvent, 
readObject, 
remove, 
removeFromFrameList, 
removeNotify, 
setCursor, 
setIconImage, 
setMenuBar, 
setResizable, 
setState, 
setTitle, 
writeObject

Methods inherited from class java.awt.Window

addOwnedWindow, 
addWindowListener, 
applyResourceBundle, 
applyResourceBundle, 
connectOwnedWindow, 
dispatchEventImpl, 
dispose, 
eventEnabled, 
getFocusOwner, 
getInputContext, 
getLocale, 
getOwnedWindows, 
getOwner, 
getToolkit, 
getWarningString, 
isActive, 
isShowing, 
nextFocus, 
ownedInit, 
pack, 
postEvent, 
postWindowEvent, 
preProcessKeyEvent, 
processEvent, 
removeOwnedWindow, 
removeWindowListener, 
setFocusOwner, 
setWarningString, 
show, 
toBack, 
toFront, 
transferFocus

Methods inherited from class java.awt.Container

add, 
add, 
add, 
add, 
add, 
addContainerListener, 
applyOrientation, 
countComponents, 
deliverEvent, 
dispatchEventToSelf, 
doLayout, 
findComponentAt, 
findComponentAt, 
getAlignmentX, 
getAlignmentY, 
getComponent, 
getComponentAt, 
getComponentAt, 
getComponentCount, 
getComponents_NoClientCode, 
getComponents, 
getInsets, 
getLayout, 
getMaximumSize, 
getMinimumSize, 
getMouseEventTarget, 
getPreferredSize, 
getWindow, 
insets, 
invalidate, 
invalidateTree, 
isAncestorOf, 
layout, 
lightweightPrint, 
list, 
list, 
locate, 
minimumSize, 
paint, 
paintComponents, 
postsOldMouseEvents, 
preferredSize, 
print, 
printComponents, 
printOneComponent, 
processContainerEvent, 
proxyEnableEvents, 
proxyRequestFocus, 
remove, 
remove, 
removeAll, 
removeContainerListener, 
setFont, 
validate, 
validateTree

Methods inherited from class java.awt.Component

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

Methods inherited from class java.lang.Object

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

Field Detail

m_wbSock

WBSocket m_wbSock

The I_OverlaySocket object used to communicate with other whiteboards.

personid

int personid

The person ID internally used. Derived from id by hashing.

id

java.lang.String id

The person ID used for user interface. Consituted by a local user name, a local host name and a timestamp.

entryid

int entryid

The ID used to identify the current drawing entry.

fore

java.awt.Color fore

Color.

back

java.awt.Color back

Color.

foreclear

boolean foreclear

backclear

boolean backclear

chosentool

int chosentool

The current tool chosen by the current user.

penwidth

int penwidth

The current pen width.

nextc

char nextc

Next character when you use a TEXT tool.

totalpages

int totalpages

Number of total pages.

activepage

int activepage

The current/active page.

aboutopen

boolean aboutopen

entries

java.util.Vector entries

Vector internally used to store all drawing entries.

userlist

java.util.Hashtable userlist

Hashtable internally used to store all users.

busy

boolean busy

dareas

java.util.Vector dareas

darea

DrawArea darea

pensizeopen

boolean pensizeopen

textsizeopen

boolean textsizeopen

WIDTH

private final int WIDTH

HEIGHT

private final int HEIGHT

jMenuBar1

javax.swing.JMenuBar jMenuBar1

jMenuFile

javax.swing.JMenu jMenuFile

jMenuFileSave

javax.swing.JMenuItem jMenuFileSave

jMenuFileExit

javax.swing.JMenuItem jMenuFileExit

jMenuHelp

javax.swing.JMenu jMenuHelp

jMenuHelpAbout

javax.swing.JMenuItem jMenuHelpAbout

contentPane

javax.swing.JPanel contentPane

borderLayout1

java.awt.BorderLayout borderLayout1

jPanel1

javax.swing.JPanel jPanel1

panWb

javax.swing.JScrollPane panWb

jPanel2

javax.swing.JPanel jPanel2

panPage

PagePanel panPage

titledBorder1

javax.swing.border.TitledBorder titledBorder1

jPanel3

javax.swing.JPanel jPanel3

panTool

ToolPanel panTool

jPanel6

javax.swing.JPanel jPanel6

panColor

ColorPanel panColor

gridBagLayout1

java.awt.GridBagLayout gridBagLayout1

titledBorder2

javax.swing.border.TitledBorder titledBorder2

panUser

UserPanel panUser

Constructor Detail

WBFrame

public WBFrame()

Method Detail

doInits

void doInits()

To do some startup things, mainly some internal data members. This is invoked just before jbInit(), by this.constructor().

jbInit

private void jbInit()
             throws java.lang.Exception

Component initialization

processWindowEvent

protected void processWindowEvent(java.awt.event.WindowEvent e)

Overridden so we can exit when window is closed

Overrides:: processWindowEvent in class javax.swing.JFrame

panTool_mouseClicked

void panTool_mouseClicked(java.awt.event.MouseEvent e)

panTool_mousePressed

void panTool_mousePressed(java.awt.event.MouseEvent e)

myhash

int myhash(java.lang.String s)

A customized hash algorithm, calculate a hashing result for a string.

Parameters:: s - the input string
Returns:: the hashing result, integer.

updatedrawcolors

public void updatedrawcolors()

To update the current color.

typing

public Entry typing(int pid)

To find the current TEXT entry according to the given person ID.

Parameters:: pid - the given person ID.
Returns:: the entry found.

findnewid

int findnewid(int pid)

To get a new entry ID according to the given person ID.

Parameters:: pid - the given person ID
Returns:: the new entry ID (integer)

add

public void add(Entry e,
                boolean send)

To add a drawing entry to the vector and draw it to the whiteboard. The entry also may be sent to other whiteboards for drawing.

Parameters:: e - the entry to be added; send - whether to send the entry to other whiteboards.

inside

boolean inside(int index,
               int x1,
               int y1,
               int x2,
               int y2)

To determine whether the given entry is in the given region. Only invoked by drawarea::clearEntry().

Parameters:: index - the index of the given entry; x1,y1,x2,y2 - the coordinates of the given region
Returns:: a boolean result

efind

Entry efind(int pid,
            int eid)

To find a specific entry according to a person ID and the entry ID.

Parameters:: pid - a person Id; eid - an entry ID
Returns:: the entry object with the given person ID and the entry ID

find

Entry find(int x,
           int y)

To find an entry according to a given coordinate. The entry belong to the current person and current page.

Parameters:: x,y - the given coordinate
Returns:: the entry found.

ddfind

Entry ddfind(int x,
             int y)

To find an entry according to a given coordinate. Only used for degugging. The entry belongs to the current page, but don't have to belong to the current person.

Parameters:: x,y - the given coordinate
Returns:: the entry found.

adduser

boolean adduser(int id,
                java.lang.String name)

Add a user to the user list.

Parameters:: id - the ID internally used.; name - the user name (also an ID) publicly used.
Returns:: a boolean indicating success or failure.
See Also:: id, personid

dropuser

void dropuser(int id)

To remove a user from the user list.

Parameters:: id - the ID of the user to be removed.

addpage

void addpage(boolean mine)

To add one page to the current whiteboar.

Parameters:: mine - whether this page is mine(locally). If locally, a NEWPAGE command should also be sent to other whiteboard.

flippage

void flippage()

leavenet

void leavenet()

The local whiteboard declares its quit to all others. The major task is to send a DROP message to other whiteboards.

GetMinimalSize

public java.awt.Dimension GetMinimalSize()

jMenuFileDump_actionPerformed

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

jMenuFileSave_actionPerformed

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

writeJpegFile

public void writeJpegFile(java.lang.String sFilename,
                          java.awt.Image img)

jMenuFileExit_actionPerformed

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

jMenuHelpAbout_actionPerformed

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