Package weka.gui.arffviewer

Class ArffPanel

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javax.swing.JPanel

weka.gui.arffviewer.ArffPanel

All Implemented Interfaces:

ActionListener, MouseListener, ImageObserver, MenuContainer, Serializable, EventListener, Accessible, ChangeListener, Undoable

public class ArffPanel
extends JPanel
implements ActionListener, ChangeListener, MouseListener, Undoable

A Panel representing an ARFF-Table and the associated filename.

Version:

$Revision$

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Component

Component.BaselineResizeBehavior

Field Summary

Fields

Modifier and Type	Field	Description
static String	TAB_INSTANCES	the name of the tab for instances that were set directly

Fields inherited from class javax.swing.JComponent

TOOL_TIP_TEXT_KEY, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

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

Constructors

Constructor	Description
ArffPanel()	initializes the panel with no data
ArffPanel(String filename, AbstractFileLoader... loaders)	initializes the panel and loads the specified file
ArffPanel(Instances data)	initializes the panel with the given data

Method Summary

Modifier and Type	Method	Description
void	actionPerformed(ActionEvent e)	invoked when an action occurs
void	addChangeListener(ChangeListener l)	Adds a ChangeListener to the panel
void	addInstance()	Add an instance at the currently selected index.
void	addInstanceAtEnd()	Add an instance at the end of the dataset
void	addUndoPoint()	adds the current state of the instances to the undolist
void	attributeAsClass()	sets the current attribute as class attribute, i.e.
boolean	canUndo()	returns whether an undo is possible
void	clearSearch()	clears the search, i.e.
void	clearUndo()	removes the undo history
void	copyContent()	copies the content of the selection to the clipboard
void	deleteAttribute()	deletes the currently selected attribute
void	deleteAttributes()	deletes the chosen attributes
void	deleteInstance()	deletes the currently selected instance
void	deleteInstances()	deletes all the currently selected instances
Vector<String>	getAttributes()	returns a list with the attributes
String	getFilename()	returns the filename
Instances	getInstances()	returns the instances of the panel, if none then NULL
boolean	getShowAttributeIndex()	Returns whether to display the attribute index in the header.
ArffTable	getTable()	returns the table component
String	getTitle()	returns the title for the Tab, i.e.
boolean	isChanged()	returns whether the content of the panel was changed
boolean	isReadOnly()	returns whether the model is read-only
boolean	isUndoEnabled()	returns whether undo support is enabled
void	mouseClicked(MouseEvent e)	Invoked when a mouse button has been pressed and released on a component
void	mouseEntered(MouseEvent e)	Invoked when the mouse enters a component.
void	mouseExited(MouseEvent e)	Invoked when the mouse exits a component
void	mousePressed(MouseEvent e)	Invoked when a mouse button has been pressed on a component
void	mouseReleased(MouseEvent e)	Invoked when a mouse button has been released on a component.
void	notifyListener()	notfies all listener of the change
void	removeChangeListener(ChangeListener l)	Removes a ChangeListener from the panel
void	renameAttribute()	renames the current attribute
void	search()	searches for a string in the cells
void	setAttributeWeight()	sets the weight for the current attribute
void	setChanged(boolean changed)	can only reset the changed state to FALSE
void	setFilename(String filename)	sets the filename
void	setInstances(Instances data)	displays the given instances, i.e.
void	setInstanceWeight()	Allows setting the weight of the instance at the selected row.
void	setOptimalColWidth()	calculates the optimal column width for the current column
void	setOptimalColWidths()	calculates the optimal column widths for all columns
void	setReadOnly(boolean value)	sets whether the model is read-only
void	setShowAttributeIndex(boolean value)	Sets whether to display the attribute index in the header.
void	setUndoEnabled(boolean enabled)	sets whether undo support is enabled
void	sortInstances()	sorts the instances via the currently selected column
void	stateChanged(ChangeEvent e)	Invoked when the target of the listener has changed its state.
void	undo()	performs an undo action

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintImmediately, paintImmediately, print, printAll, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, contains, createImage, createImage, createVolatileImage, createVolatileImage, dispatchEvent, enable, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocusInWindow, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setMixingCutoutShape, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

TAB_INSTANCES

public static final String TAB_INSTANCES

the name of the tab for instances that were set directly

See Also:

Constant Field Values

Constructor Detail

ArffPanel

public ArffPanel()

initializes the panel with no data

ArffPanel

public ArffPanel(String filename,
                 AbstractFileLoader... loaders)

initializes the panel and loads the specified file

Parameters:

filename - the file to load

loaders - optional varargs loader to use

ArffPanel

public ArffPanel(Instances data)

initializes the panel with the given data

Parameters:

data - the data to use

Method Detail

getTable

public ArffTable getTable()

returns the table component

Returns:

the table

getTitle

public String getTitle()

returns the title for the Tab, i.e. the filename

Returns:

the title for the tab

getFilename

public String getFilename()

returns the filename

Returns:

the filename

setFilename

public void setFilename(String filename)

sets the filename

Parameters:

filename - the new filename

getInstances

public Instances getInstances()

returns the instances of the panel, if none then NULL

Returns:

the instances of the panel

setInstances

public void setInstances(Instances data)

displays the given instances, i.e. creates a tab with the title TAB_INSTANCES. if one already exists it closes it.
if a different instances object is used here, don't forget to clear the undo-history by calling clearUndo()

Parameters:

data - the instances to display

See Also:

TAB_INSTANCES, clearUndo()

getAttributes

public Vector<String> getAttributes()

returns a list with the attributes

Returns:

a list of the attributes

setChanged

public void setChanged(boolean changed)

can only reset the changed state to FALSE

Parameters:

changed - if false, resets the changed state

isChanged

public boolean isChanged()

returns whether the content of the panel was changed

Returns:

true if the content was changed

isReadOnly

public boolean isReadOnly()

returns whether the model is read-only

Returns:

true if model is read-only

setReadOnly

public void setReadOnly(boolean value)

sets whether the model is read-only

Parameters:

value - if true the model is set to read-only

setShowAttributeIndex

public void setShowAttributeIndex(boolean value)

Sets whether to display the attribute index in the header.

Parameters:

value - if true then the attribute indices are displayed in the table header

getShowAttributeIndex

public boolean getShowAttributeIndex()

Returns whether to display the attribute index in the header.

Returns:

true if the attribute indices are displayed in the table header

isUndoEnabled

public boolean isUndoEnabled()

returns whether undo support is enabled

Specified by:

isUndoEnabled in interface Undoable

Returns:

true if undo is enabled

setUndoEnabled

public void setUndoEnabled(boolean enabled)

sets whether undo support is enabled

Specified by:

setUndoEnabled in interface Undoable

Parameters:

enabled - whether to enable/disable undo support

clearUndo

public void clearUndo()

removes the undo history

Specified by:

clearUndo in interface Undoable

canUndo

public boolean canUndo()

returns whether an undo is possible

Specified by:

canUndo in interface Undoable

Returns:

true if undo is possible

undo

public void undo()

performs an undo action

Specified by:

undo in interface Undoable

addUndoPoint

public void addUndoPoint()

adds the current state of the instances to the undolist

Specified by:

addUndoPoint in interface Undoable

deleteAttribute

public void deleteAttribute()

deletes the currently selected attribute

deleteAttributes

public void deleteAttributes()

deletes the chosen attributes

attributeAsClass

public void attributeAsClass()

sets the current attribute as class attribute, i.e. it moves it to the end of the attributes

renameAttribute

public void renameAttribute()

renames the current attribute

setAttributeWeight

public void setAttributeWeight()

sets the weight for the current attribute

deleteInstance

public void deleteInstance()

deletes the currently selected instance

addInstance

public void addInstance()

Add an instance at the currently selected index. If no instance is selected then adds a new instance at the end of the dataset.

setInstanceWeight

public void setInstanceWeight()

Allows setting the weight of the instance at the selected row.

addInstanceAtEnd

public void addInstanceAtEnd()

Add an instance at the end of the dataset

deleteInstances

public void deleteInstances()

deletes all the currently selected instances

sortInstances

public void sortInstances()

sorts the instances via the currently selected column

copyContent

public void copyContent()

copies the content of the selection to the clipboard

search

public void search()

searches for a string in the cells

clearSearch

public void clearSearch()

clears the search, i.e. resets the found cells

setOptimalColWidth

public void setOptimalColWidth()

calculates the optimal column width for the current column

setOptimalColWidths

public void setOptimalColWidths()

calculates the optimal column widths for all columns

actionPerformed

public void actionPerformed(ActionEvent e)

invoked when an action occurs

Specified by:

actionPerformed in interface ActionListener

Parameters:

e - the action event

mouseClicked

public void mouseClicked(MouseEvent e)

Invoked when a mouse button has been pressed and released on a component

Specified by:

mouseClicked in interface MouseListener

Parameters:

e - the mouse event

mouseEntered

public void mouseEntered(MouseEvent e)

Invoked when the mouse enters a component.

Specified by:

mouseEntered in interface MouseListener

Parameters:

e - the mouse event

mouseExited

public void mouseExited(MouseEvent e)

Invoked when the mouse exits a component

Specified by:

mouseExited in interface MouseListener

Parameters:

e - the mouse event

mousePressed

public void mousePressed(MouseEvent e)

Invoked when a mouse button has been pressed on a component

Specified by:

mousePressed in interface MouseListener

Parameters:

e - the mouse event

mouseReleased

public void mouseReleased(MouseEvent e)

Invoked when a mouse button has been released on a component.

Specified by:

mouseReleased in interface MouseListener

Parameters:

e - the mouse event

stateChanged

public void stateChanged(ChangeEvent e)

Invoked when the target of the listener has changed its state.

Specified by:

stateChanged in interface ChangeListener

Parameters:

e - the change event

notifyListener

public void notifyListener()

notfies all listener of the change

addChangeListener

public void addChangeListener(ChangeListener l)

Adds a ChangeListener to the panel

Parameters:

l - the listener to add

removeChangeListener

public void removeChangeListener(ChangeListener l)

Removes a ChangeListener from the panel

Parameters:

l - the listener to remove