fr.ove.openmath.jome.ctrlview.bidim
Class Display

java.lang.Object
  java.awt.Component
      java.awt.Container
          fr.ove.openmath.jome.ctrlview.bidim.Display

All Implemented Interfaces:

Colorizable, Displayable, java.util.EventListener, Iconifiable, java.awt.image.ImageObserver, Localisable, java.awt.MenuContainer, ModelListener, ModelListenerController, Selectable, java.io.Serializable, Sizable

Direct Known Subclasses:

BidimDisplay

public abstract class Display

extends java.awt.Container

implements Displayable, Colorizable, Selectable, Iconifiable, ModelListenerController

The display elements of the formula.

Version:

2.0 27/06/1999

Author:

© 1999 DIRAT Laurent

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

protected boolean	dragNDrop Are we in drag'n drop mode ??
protected boolean	isSelected Indicates whether the symbol is selected or not.

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

Display(GraphicContext graphicContext)
The constructor.

Method Summary

void	add(Display display) Adds a child display to the instance.
void	addControlListener(ControlListener controlListener) Registers another listener to be informed of changes of the display.
void	addSelectionEventListener(SelectionEventListener selectionEventListener) Registers another listener to be informed of changes of the display.
void	adjustRank() Adjusts the rank of its children.
void	buildDisplay() Builds the display of the formula tree structure.
Display	buildDisplay(int indexFts) Builds the display of the part of the formula tree structure at the specified index.
void	computeAncestorsAttributes() Recurses into the tree of the display to inform the ancestors of the instance that they need to compute their attributes.
void	computeChildrenAttributes() Recurses into the tree of the display to inform the children of the instance that they need to compute their attributes.
int	computeInsertionPosition(int mouseX) Returns the insertion position for the moving of displays.
void	decLevel() Decrements the level value.
void	deselect() Deselects the display.
void	dontDrawBounds() The bounds of the display don't have to be drawn.
protected boolean	doRemoveFromListListeners() Returns true if we remove the instance from the list of listeners.
void	drawBounds() The bounds of the display have to be drawn.
void	fireControlEvent(ControlEvent controlEvent) Fires a Control event to registered listeners.
void	fireSelectionEvent(SelectionEvent selectionEvent) Fires a SelectionEvent event to registered listeners.
int	getAscent() Returns the ascent.
java.awt.Color	getBackgroundColor() Returns the color used by the graphic context.
boolean	getComputeAttributes() Checks if we need to compute the display.
int	getDescent() Returns the descent.
DisplayAllocator	getDisplayAllocator() Returns the display allocator.
java.awt.Color	getForegroundColor() Returns the color used by the graphic context.
GraphicContext	getGraphicContext() Returns the graphic context of the display.
int	getHeight() Returns the height of the display.
java.lang.String	getIconName() Returns the name of the icon associated to the instance.
int	getLevel() Returns the level of the display
ControlListener	getListener() Returns the listener of the dispay.
int	getRank() Returns the rank of the display.
java.awt.Color	getSelectionColor() Returns the color used in the graphic context to hilight the selection.
int	getShiftX() Returns the horizontal shift.
int	getShiftY() Returns the vertical shift.
boolean	getUpdateLevel() Checks if we need to update the level of the display.
int	getWidth() Returns the width of the display.
int	getX() Returns the x-location of the display.
int	getY() Returns the y-location of the display.
boolean	gotSelectedElements() Returns true if the display have components selected or is selected.
void	iconify() Iconifies all the selected elements of the formula.
void	incLevel() Increments the level value.
boolean	isDisplay(FormulaTreeStructure fts) Returns true if the instance is a display of the specified formula tree structure.
boolean	isIcon()
boolean	isIconifiable() Returns true if the instance is iconifiable.
boolean	isSelected() Checks if the display is selected or not.
boolean	isSymbolOperatorDisplay()
void	moveSelectedDisplays(int mouseX) Moves the selected displays to the mouse position.
void	remove(int index) Removes from the instance the display at the specified index.
void	removeAll() Removes all the displays of the instance.
void	removeAllControlListener() Removes all the listeners.
void	removeAllDisplays() Removes all the displays of the instance.
void	removeControlListener(ControlListener controlListener) Removes a listener.
protected void	removeFromListListeners(boolean doRemoveFromListListeners) Sets if during the manipulation of children of the instance, the children manipulated have to be removed from the list od listeners.
void	removeSelectionEventListener(SelectionEventListener selectionEventListener) Removes a listener.
void	scaleDisplay() Scales the display.
void	select() Selects the display.
void	setAscent(int ascent) Sets the ascent.
void	setAttributes(int ascent, int descent, int shiftX, int shiftY) Sets all the attributes.
void	setBackgroundColor(java.awt.Color backgroundColor) Sets a new color to the context.
void	setChildrenBackground(java.awt.Color backgroundColor)
void	setComputeAttributes(boolean computeAttributes) Sets the attributes to be computed.
void	setDescent(int descent) Sets the descent.
void	setDisplayAllocator(DisplayAllocator displayAllocator) Sets the display allocator.
protected void	setDoRemoveFromListListeners(boolean doRemoveFromListListeners) Sets if during the removal of the instance from the its father, we remove it from the list of listeners it is listening to.
void	setFont(java.awt.Font font) Sets a new font to the context.
void	setForegroundColor(java.awt.Color foregroundColor) Sets a new color to the context.
void	setGraphicContext(GraphicContext graphicContext) Sets the graphic context to the display.
void	setHeight(int height) Sets the height of the instance.
void	setIconName(java.lang.String iconName) Associates an icon name to the instance.
void	setIsIconifiable(boolean isIconifiable) Sets the istance as iconifiable.
void	setIsSymbolOperatorDisplay(boolean isSymbolOperatorDisplay) Sets if the instance represents the display of the symbol of an operator.
void	setLevel(int level) Sets the level of the display
void	setMouseListener(java.awt.event.MouseListener listener)
void	setNotSelected() Sets the display as not selected.
void	setRank(int rank) Sets the rank of the display.
void	setSelected() Sets the display as selected.
void	setSelectionColor(java.awt.Color selectionColor) Sets a new selection color to the context.
void	setShiftX(int shiftX) Sets the horizontal shift.
void	setShiftY(int shiftY) Sets the vertical shift.
protected void	setTheFont(java.awt.Font font)
void	setUpdateLevel(boolean updateLevel) Sets the level to be updated.
void	setWidth(int width) Sets the width of the instance.
void	setX(int x) Sets the x-location of the instance.
void	setY(int y) Sets the y-location of the instance.
void	substitute(java.lang.String name) Substitutes the selection by the specified friendly name.
void	ToString() For debugg only !!!!
void	uniconify() Uniconifies all the selected icons which are in the formula.
void	uniconifyAll() Uniconifies all the selected icons.
void	updateAncestorsLevel() Recurses into the tree of the display to inform the ancestors of the instance that they need to update their level
void	updateChildrenLevel() Recurses into the tree of the display to inform the children of the instance that they need to update their level
boolean	weDrawBounds() Checks if the bound must be drawn or not.
void	whoAmI()

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addNotify, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, removeContainerListener, removeNotify, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, transferFocusDownCycle, update, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, 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, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Methods inherited from interface fr.ove.openmath.jome.ctrlview.bidim.Displayable

paint

Methods inherited from interface fr.ove.openmath.jome.ctrlview.bidim.Localisable

getLocation, setLocation, setLocation

Methods inherited from interface fr.ove.openmath.jome.ctrlview.bidim.Sizable

getPreferredSize, getSize, setSize, setSize

Methods inherited from interface fr.ove.openmath.jome.model.events.ModelListener

consumeModelEvent

Field Detail

isSelected

protected boolean isSelected

Indicates whether the symbol is selected or not.

dragNDrop

protected boolean dragNDrop

Are we in drag'n drop mode ??

Constructor Detail

Display

public Display(GraphicContext graphicContext)

The constructor.

Parameters:

graphicContext - the graphic context of the display.

Method Detail

isDisplay

public boolean isDisplay(FormulaTreeStructure fts)

Returns true if the instance is a display of the specified formula tree structure. false otherwise.

setIsSymbolOperatorDisplay

public void setIsSymbolOperatorDisplay(boolean isSymbolOperatorDisplay)

Sets if the instance represents the display of the symbol of an operator.

isSymbolOperatorDisplay

public boolean isSymbolOperatorDisplay()

Returns:

true if the instance represents the display of the symbol of an operator. false otherwise.

drawBounds

public void drawBounds()

The bounds of the display have to be drawn.

dontDrawBounds

public void dontDrawBounds()

The bounds of the display don't have to be drawn.

weDrawBounds

public boolean weDrawBounds()

Checks if the bound must be drawn or not.

Returns:

true if we have to draw the bounds of the display. false otherwise.

setLevel

public void setLevel(int level)

Sets the level of the display

Parameters:

level - the level of the display.

getLevel

public int getLevel()

Returns the level of the display

incLevel

public void incLevel()

Increments the level value.

decLevel

public void decLevel()

Decrements the level value.

setUpdateLevel

public void setUpdateLevel(boolean updateLevel)

Sets the level to be updated.

Parameters:

updateLevel - true if the display level need to be updated. false otherwise.

getUpdateLevel

public boolean getUpdateLevel()

Checks if we need to update the level of the display.

Returns:

true if needed. false otherwise.

updateAncestorsLevel

public void updateAncestorsLevel()

Recurses into the tree of the display to inform the ancestors of the instance that they need to update their level

updateChildrenLevel

public void updateChildrenLevel()

Recurses into the tree of the display to inform the children of the instance that they need to update their level

setComputeAttributes

public void setComputeAttributes(boolean computeAttributes)

Sets the attributes to be computed.

Parameters:

computeAttributes - true if the display attributes need to be computed. false otherwise.

getComputeAttributes

public boolean getComputeAttributes()

Checks if we need to compute the display.

Returns:

true if needed. false otherwise.

computeAncestorsAttributes

public void computeAncestorsAttributes()

Recurses into the tree of the display to inform the ancestors of the instance that they need to compute their attributes.

computeChildrenAttributes

public void computeChildrenAttributes()

Recurses into the tree of the display to inform the children of the instance that they need to compute their attributes.

setRank

public void setRank(int rank)

Sets the rank of the display.

Parameters:

rank - the rank.

getRank

public int getRank()

Returns the rank of the display.

adjustRank

public void adjustRank()

Adjusts the rank of its children.

removeAllDisplays

public void removeAllDisplays()

Removes all the displays of the instance.
The fundamental difference with removeAll is in that case, the displays removed are not removed form the list of listeners of the formula tree structure they are listening to.

scaleDisplay

public void scaleDisplay()

Scales the display.

moveSelectedDisplays

public void moveSelectedDisplays(int mouseX)

Moves the selected displays to the mouse position.

Parameters:

mouseX - the mouse position.

computeInsertionPosition

public int computeInsertionPosition(int mouseX)

Returns the insertion position for the moving of displays.

Parameters:

mouseX - the mouse position.

setDisplayAllocator

public void setDisplayAllocator(DisplayAllocator displayAllocator)

Sets the display allocator.

Parameters:

displayAllocator - the display allocator

getDisplayAllocator

public DisplayAllocator getDisplayAllocator()

Returns the display allocator.

Returns:

the display allocator, or null if none has been specified.

buildDisplay

public void buildDisplay()

Builds the display of the formula tree structure.
This method has to be called when a formula tree structure has been created and the displays have not been associated yet.
As a prerequesit, the instance which call this method MUST have a corresponding instance (a listener) in the formula tree structure (i.e. the formula tree structure we want to display).

buildDisplay

public Display buildDisplay(int indexFts)

Builds the display of the part of the formula tree structure at the specified index.
This method has to be called when a new part of the formula tree structure has been created and the displays have not been associated yet. (modification of the formula expression, and then we only ask to build displays of the new part, and only them)
As a prerequesit, the instance which calls this method MUST have a corresponding instance (a listener) in the formula tree structure (i.e. the formula tree structure we want to display)

Parameters:

indexFts - the index of the fts which needs displays to be associated, in the list of "sub-fts" of the corresponding fts of the instance (ouf !!!).
indexFts must be less than the number of elements of the correponding fts, and greater or equal than 0.

Returns:

the new display created.

add

public void add(Display display)

Adds a child display to the instance. The child is added as the last child of the set of children of the instance.

Parameters:

display - the display to add.

remove

public void remove(int index)

Removes from the instance the display at the specified index.

Parameters:

index - the specified index.

removeAll

public void removeAll()

Removes all the displays of the instance.

setDoRemoveFromListListeners

protected void setDoRemoveFromListListeners(boolean doRemoveFromListListeners)

Sets if during the removal of the instance from the its father, we remove it from the list of listeners it is listening to.

Parameters:

doRemoveFromListListeners - true if we remove the instance from the list of listeners. false otherwise.

doRemoveFromListListeners

protected boolean doRemoveFromListListeners()

Returns true if we remove the instance from the list of listeners. false otherwise.

removeFromListListeners

protected void removeFromListListeners(boolean doRemoveFromListListeners)

Sets if during the manipulation of children of the instance, the children manipulated have to be removed from the list od listeners.

Parameters:

doRemoveFromListListeners - true if we remove the children manipulated from the list of listeners. false otherwise.

setFont

public void setFont(java.awt.Font font)

Sets a new font to the context.

Parameters:

font - the new font.

setTheFont

protected void setTheFont(java.awt.Font font)

substitute

public void substitute(java.lang.String name)

Substitutes the selection by the specified friendly name.

setAscent

public void setAscent(int ascent)

Sets the ascent.

Specified by:

setAscent in interface Displayable

Parameters:

ascent - the new ascent value.

getAscent

public int getAscent()

Returns the ascent.

Specified by:

getAscent in interface Displayable

Returns:

the ascent.

setDescent

public void setDescent(int descent)

Sets the descent.

Specified by:

setDescent in interface Displayable

Parameters:

descent - the new descent value.

getDescent

public int getDescent()

Returns the descent.

Specified by:

getDescent in interface Displayable

Returns:

the descent.

setShiftX

public void setShiftX(int shiftX)

Sets the horizontal shift.

Specified by:

setShiftX in interface Displayable

getShiftX

public int getShiftX()

Returns the horizontal shift.

Specified by:

getShiftX in interface Displayable

Returns:

the horizontal shift.

setShiftY

public void setShiftY(int shiftY)

Sets the vertical shift.

Specified by:

setShiftY in interface Displayable

Parameters:

shiftY - the new vertical shift value.

getShiftY

public int getShiftY()

Returns the vertical shift.

Specified by:

getShiftY in interface Displayable

Returns:

the vertical shift.

setAttributes

public void setAttributes(int ascent,
                          int descent,
                          int shiftX,
                          int shiftY)

Sets all the attributes.

Specified by:

setAttributes in interface Displayable

Parameters:

ascent - the new ascent value.

descent - the new descent value.

shiftX - the new horizontal shift value.

shiftY - the new vertical shift value.

setGraphicContext

public void setGraphicContext(GraphicContext graphicContext)

Sets the graphic context to the display.

Specified by:

setGraphicContext in interface Displayable

Parameters:

graphicContext - the graphic context.

getGraphicContext

public GraphicContext getGraphicContext()

Returns the graphic context of the display.

Specified by:

getGraphicContext in interface Displayable

setX

public void setX(int x)

Sets the x-location of the instance.

Specified by:

setX in interface Localisable

Parameters:

x - the x-location of the instance.

getX

public int getX()

Returns the x-location of the display.

Specified by:

getX in interface Localisable

setY

public void setY(int y)

Sets the y-location of the instance.

Specified by:

setY in interface Localisable

Parameters:

y - the y-location of the instance.

getY

public int getY()

Returns the y-location of the display.

Specified by:

getY in interface Localisable

setWidth

public void setWidth(int width)

Sets the width of the instance.

Specified by:

setWidth in interface Sizable

Parameters:

width - the width of the instance

getWidth

public int getWidth()

Returns the width of the display.

Specified by:

getWidth in interface Sizable

setHeight

public void setHeight(int height)

Sets the height of the instance.

Specified by:

setHeight in interface Sizable

Parameters:

height - the height of the instance

getHeight

public int getHeight()

Returns the height of the display.

Specified by:

getHeight in interface Sizable

select

public void select()

Selects the display. Selects the instance and its children if any.

Specified by:

select in interface Selectable

deselect

public void deselect()

Deselects the display. Deselects the instance and its children if any.

Specified by:

deselect in interface Selectable

setSelected

public void setSelected()

Sets the display as selected.

Specified by:

setSelected in interface Selectable

setNotSelected

public void setNotSelected()

Sets the display as not selected.

Specified by:

setNotSelected in interface Selectable

isSelected

public boolean isSelected()

Checks if the display is selected or not.

Specified by:

isSelected in interface Selectable

Returns:

true if the display is selected. false otherwise.

gotSelectedElements

public boolean gotSelectedElements()

Returns true if the display have components selected or is selected.
false otherwise.

Specified by:

gotSelectedElements in interface Selectable

setForegroundColor

public void setForegroundColor(java.awt.Color foregroundColor)

Sets a new color to the context.

Specified by:

setForegroundColor in interface Colorizable

Parameters:

foregroundColor - the new color.

getForegroundColor

public java.awt.Color getForegroundColor()

Returns the color used by the graphic context.

Specified by:

getForegroundColor in interface Colorizable

setBackgroundColor

public void setBackgroundColor(java.awt.Color backgroundColor)

Sets a new color to the context.

Specified by:

setBackgroundColor in interface Colorizable

Parameters:

backgroundColor - the new color.

setChildrenBackground

public void setChildrenBackground(java.awt.Color backgroundColor)

getBackgroundColor

public java.awt.Color getBackgroundColor()

Returns the color used by the graphic context.

Specified by:

getBackgroundColor in interface Colorizable

setSelectionColor

public void setSelectionColor(java.awt.Color selectionColor)

Sets a new selection color to the context.

Specified by:

setSelectionColor in interface Colorizable

Parameters:

selectionColor - the new color.

getSelectionColor

public java.awt.Color getSelectionColor()

Returns the color used in the graphic context to hilight the selection.

Specified by:

getSelectionColor in interface Colorizable

setIconName

public void setIconName(java.lang.String iconName)

Associates an icon name to the instance.

Specified by:

setIconName in interface Iconifiable

Parameters:

iconName - the name of the icon

getIconName

public java.lang.String getIconName()

Returns the name of the icon associated to the instance.

Specified by:

getIconName in interface Iconifiable

isIcon

public boolean isIcon()

Specified by:

isIcon in interface Iconifiable

Returns:

true if the instance is an icon. false otherwise.

iconify

public void iconify()

Iconifies all the selected elements of the formula.

Specified by:

iconify in interface Iconifiable

uniconify

public void uniconify()

Uniconifies all the selected icons which are in the formula.

Specified by:

uniconify in interface Iconifiable

uniconifyAll

public void uniconifyAll()

Uniconifies all the selected icons.
If the icons contains other icons, these are uniconified. There is a recursion process.

Specified by:

uniconifyAll in interface Iconifiable

setIsIconifiable

public void setIsIconifiable(boolean isIconifiable)

Sets the istance as iconifiable.

Specified by:

setIsIconifiable in interface Iconifiable

Parameters:

isIconifiable - true if the instance is iconifiable. false otherwise.

isIconifiable

public boolean isIconifiable()

Returns true if the instance is iconifiable. false otherwise.

Specified by:

isIconifiable in interface Iconifiable

addControlListener

public void addControlListener(ControlListener controlListener)

Registers another listener to be informed of changes of the display.

Specified by:

addControlListener in interface ModelListenerController

Parameters:

controlListener - a listener to add.

removeAllControlListener

public void removeAllControlListener()

Removes all the listeners.

removeControlListener

public void removeControlListener(ControlListener controlListener)

Removes a listener.

Specified by:

removeControlListener in interface ModelListenerController

Parameters:

controlListener - a listener to remove.

fireControlEvent

public void fireControlEvent(ControlEvent controlEvent)

Fires a Control event to registered listeners.

Specified by:

fireControlEvent in interface ModelListenerController

Parameters:

controlEvent - event encapsulating relevant information.

getListener

public ControlListener getListener()

Returns the listener of the dispay. (i.e. a fts)

addSelectionEventListener

public void addSelectionEventListener(SelectionEventListener selectionEventListener)

Registers another listener to be informed of changes of the display.

Parameters:

selectionEventListener - a listener to add.

removeSelectionEventListener

public void removeSelectionEventListener(SelectionEventListener selectionEventListener)

Removes a listener.

Parameters:

selectionEventListener - listener to remove.

fireSelectionEvent

public void fireSelectionEvent(SelectionEvent selectionEvent)

Fires a SelectionEvent event to registered listeners.

Parameters:

selectionEvent - event encapsulating relevant information.

setMouseListener

public void setMouseListener(java.awt.event.MouseListener listener)

ToString

public void ToString()

For debugg only !!!!

whoAmI

public void whoAmI()