Package weka.gui.beans

Class TextViewer

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javax.swing.JPanel

weka.gui.beans.TextViewer

All Implemented Interfaces:

ImageObserver, MenuContainer, BeanContextChild, Serializable, EventListener, Accessible, BeanCommon, DataSourceListener, EventConstraints, HeadlessEventCollector, TestSetListener, TextListener, TrainingSetListener, UserRequestAcceptor, Visible

public class TextViewer
extends JPanel
implements TextListener, DataSourceListener, TrainingSetListener, TestSetListener, Visible, UserRequestAcceptor, BeanContextChild, BeanCommon, EventConstraints, HeadlessEventCollector

Bean that collects and displays pieces of text

Version:

$Revision: 14494 $

Author:

Mark Hall

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 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
TextViewer()

Method Summary

Modifier and Type	Method	Description
void	acceptDataSet(DataSetEvent e)	Accept a data set for displaying as text
void	acceptTestSet(TestSetEvent e)	Accept a test set for displaying as text
void	acceptText(TextEvent e)	Accept some text
void	acceptTrainingSet(TrainingSetEvent e)	Accept a training set for displaying as text
void	addPropertyChangeListener(String name, PropertyChangeListener pcl)	Add a property change listener to this bean
void	addTextListener(TextListener cl)	Add a text listener
void	addVetoableChangeListener(String name, VetoableChangeListener vcl)	Add a vetoable change listener to this bean
boolean	connectionAllowed(EventSetDescriptor esd)	Returns true if, at this time, the object will accept a connection via the supplied EventSetDescriptor
boolean	connectionAllowed(String eventName)	Returns true if, at this time, the object will accept a connection via the named event
void	connectionNotification(String eventName, Object source)	Notify this object that it has been registered as a listener with a source for recieving events described by the named event This object is responsible for recording this fact.
void	disconnectionNotification(String eventName, Object source)	Notify this object that it has been deregistered as a listener with a source for named event.
Enumeration<String>	enumerateRequests()	Get a list of user requests
boolean	eventGeneratable(String eventName)	Returns true, if at the current time, the named event could be generated.
BeanContext	getBeanContext()	Return the bean context (if any) that this bean is embedded in
String	getCustomName()	Get the custom (descriptive) name for this bean (if one has been set)
BeanVisual	getVisual()	Get the visual appearance of this bean
String	globalInfo()	Global info for this bean
boolean	isBusy()	Returns true if.
static void	main(String[] args)
void	performRequest(String request)	Perform the named request
void	processHeadlessEvents(List<EventObject> headless)	Process a list of events that have been collected earlier.
void	removePropertyChangeListener(String name, PropertyChangeListener pcl)	Remove a property change listener from this bean
void	removeTextListener(TextListener cl)	Remove a text listener
void	removeVetoableChangeListener(String name, VetoableChangeListener vcl)	Remove a vetoable change listener from this bean
List<EventObject>	retrieveHeadlessEvents()	Get the list of events processed in headless mode.
void	setBeanContext(BeanContext bc)	Set a bean context for this bean
void	setCustomName(String name)	Set a custom (descriptive) name for this bean
void	setLog(Logger logger)	Set a logger
void	setVisual(BeanVisual newVisual)	Describe setVisual method here.
void	showResults()	Popup a component to display the selected text
void	stop()	Stop any processing that the bean might be doing.
void	useDefaultVisual()	Use the default visual appearance for this bean

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, 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, 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

Constructor Details

TextViewer

public TextViewer()

Method Details

globalInfo

public String globalInfo()

Global info for this bean

Returns:

a String value

acceptDataSet

public void acceptDataSet(DataSetEvent e)

Accept a data set for displaying as text

Specified by:

acceptDataSet in interface DataSourceListener

Parameters:

e - a DataSetEvent value

acceptTrainingSet

public void acceptTrainingSet(TrainingSetEvent e)

Accept a training set for displaying as text

Specified by:

acceptTrainingSet in interface TrainingSetListener

Parameters:

e - a TrainingSetEvent value

acceptTestSet

public void acceptTestSet(TestSetEvent e)

Accept a test set for displaying as text

Specified by:

acceptTestSet in interface TestSetListener

Parameters:

e - a TestSetEvent value

acceptText

public void acceptText(TextEvent e)

Accept some text

Specified by:

acceptText in interface TextListener

Parameters:

e - a TextEvent value

retrieveHeadlessEvents

public List<EventObject> retrieveHeadlessEvents()

Get the list of events processed in headless mode. May return null or an empty list if not running in headless mode or no events were processed

Specified by:

retrieveHeadlessEvents in interface HeadlessEventCollector

Returns:

a list of EventObjects or null.

processHeadlessEvents

public void processHeadlessEvents(List<EventObject> headless)

Process a list of events that have been collected earlier. Has no affect if the component is running in headless mode.

Specified by:

processHeadlessEvents in interface HeadlessEventCollector

Parameters:

headless - a list of EventObjects to process.

setVisual

public void setVisual(BeanVisual newVisual)

Describe setVisual method here.

Specified by:

setVisual in interface Visible

Parameters:

newVisual - a BeanVisual value

getVisual

public BeanVisual getVisual()

Get the visual appearance of this bean

Specified by:

getVisual in interface Visible

Returns:

a BeanVisual value

useDefaultVisual

public void useDefaultVisual()

Use the default visual appearance for this bean

Specified by:

useDefaultVisual in interface Visible

showResults

public void showResults()

Popup a component to display the selected text

enumerateRequests

public Enumeration<String> enumerateRequests()

Get a list of user requests

Specified by:

enumerateRequests in interface UserRequestAcceptor

Returns:

an Enumeration value

performRequest

public void performRequest(String request)

Perform the named request

Specified by:

performRequest in interface UserRequestAcceptor

Parameters:

request - a String value

Throws:

IllegalArgumentException - if an error occurs

addPropertyChangeListener

public void addPropertyChangeListener(String name,
 PropertyChangeListener pcl)

Add a property change listener to this bean

Specified by:

addPropertyChangeListener in interface BeanContextChild

Overrides:

addPropertyChangeListener in class Container

Parameters:

name - the name of the property of interest

pcl - a PropertyChangeListener value

removePropertyChangeListener

public void removePropertyChangeListener(String name,
 PropertyChangeListener pcl)

Remove a property change listener from this bean

Specified by:

removePropertyChangeListener in interface BeanContextChild

Overrides:

removePropertyChangeListener in class Component

Parameters:

name - the name of the property of interest

pcl - a PropertyChangeListener value

addVetoableChangeListener

public void addVetoableChangeListener(String name,
 VetoableChangeListener vcl)

Add a vetoable change listener to this bean

Specified by:

addVetoableChangeListener in interface BeanContextChild

Parameters:

name - the name of the property of interest

vcl - a VetoableChangeListener value

removeVetoableChangeListener

public void removeVetoableChangeListener(String name,
 VetoableChangeListener vcl)

Remove a vetoable change listener from this bean

Specified by:

removeVetoableChangeListener in interface BeanContextChild

Parameters:

name - the name of the property of interest

vcl - a VetoableChangeListener value

setBeanContext

public void setBeanContext(BeanContext bc)

Set a bean context for this bean

Specified by:

setBeanContext in interface BeanContextChild

Parameters:

bc - a BeanContext value

getBeanContext

public BeanContext getBeanContext()

Return the bean context (if any) that this bean is embedded in

Specified by:

getBeanContext in interface BeanContextChild

Returns:

a BeanContext value

stop

public void stop()

Stop any processing that the bean might be doing.

Specified by:

stop in interface BeanCommon

isBusy

public boolean isBusy()

Returns true if. at this time, the bean is busy with some (i.e. perhaps a worker thread is performing some calculation).

Specified by:

isBusy in interface BeanCommon

Returns:

true if the bean is busy.

setLog

public void setLog(Logger logger)

Set a logger

Specified by:

setLog in interface BeanCommon

Parameters:

logger - a Logger value

setCustomName

public void setCustomName(String name)

Set a custom (descriptive) name for this bean

Specified by:

setCustomName in interface BeanCommon

Parameters:

name - the name to use

getCustomName

public String getCustomName()

Get the custom (descriptive) name for this bean (if one has been set)

Specified by:

getCustomName in interface BeanCommon

Returns:

the custom name (or the default name)

connectionAllowed

public boolean connectionAllowed(EventSetDescriptor esd)

Returns true if, at this time, the object will accept a connection via the supplied EventSetDescriptor

Specified by:

connectionAllowed in interface BeanCommon

Parameters:

esd - the EventSetDescriptor

Returns:

true if the object will accept a connection

connectionAllowed

public boolean connectionAllowed(String eventName)

Returns true if, at this time, the object will accept a connection via the named event

Specified by:

connectionAllowed in interface BeanCommon

Parameters:

eventName - the name of the event

Returns:

true if the object will accept a connection

connectionNotification

public void connectionNotification(String eventName,
 Object source)

Notify this object that it has been registered as a listener with a source for recieving events described by the named event This object is responsible for recording this fact.

Specified by:

connectionNotification in interface BeanCommon

Parameters:

eventName - the event

source - the source with which this object has been registered as a listener

disconnectionNotification

public void disconnectionNotification(String eventName,
 Object source)

Notify this object that it has been deregistered as a listener with a source for named event. This object is responsible for recording this fact.

Specified by:

disconnectionNotification in interface BeanCommon

Parameters:

eventName - the event

source - the source with which this object has been registered as a listener

eventGeneratable

public boolean eventGeneratable(String eventName)

Returns true, if at the current time, the named event could be generated. Assumes that the supplied event name is an event that could be generated by this bean

Specified by:

eventGeneratable in interface EventConstraints

Parameters:

eventName - the name of the event in question

Returns:

true if the named event could be generated at this point in time

addTextListener

public void addTextListener(TextListener cl)

Add a text listener

Parameters:

cl - a TextListener value

removeTextListener

public void removeTextListener(TextListener cl)

Remove a text listener

Parameters:

cl - a TextListener value

main

public static void main(String[] args)