weka.gui.explorer

Class PreprocessPanel

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

javax.swing.JPanel

weka.gui.explorer.PreprocessPanel

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable, EventListener, Accessible, Explorer.CapabilitiesFilterChangeListener, Explorer.ExplorerPanel, Explorer.LogHandler

public class PreprocessPanel
extends JPanel
implements Explorer.CapabilitiesFilterChangeListener, Explorer.ExplorerPanel, Explorer.LogHandler

This panel controls simple preprocessing of instances. Summary information on instances and attributes is shown. Filters may be configured to alter the set of instances. Altered instances may also be saved.

Version:

$Revision: 8007 $

Author:

Richard Kirkby (rkirkby@cs.waikato.ac.nz), Len Trigg (trigg@cs.waikato.ac.nz)

See Also:

Serialized Form

Nested Class Summary

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

JPanel.AccessibleJPanel

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

JComponent.AccessibleJComponent

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

Container.AccessibleAWTContainer

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

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field and Description
protected JButton	m_ApplyFilterBut Click to apply filters and save the results
protected AttributeSelectionPanel	m_AttPanel Panel to let the user toggle attributes
protected AttributeSummaryPanel	m_AttSummaryPanel Displays summary stats on the selected attribute
protected AttributeVisualizationPanel	m_AttVisualizePanel The visualization of the attribute values
protected DataGenerator	m_DataGenerator The last generator that was selected
protected JButton	m_EditBut Click to open the current instances in a viewer
protected Explorer	m_Explorer the parent frame
protected ConverterFileChooser	m_FileChooser The file chooser for selecting data files
protected GenericObjectEditor	m_FilterEditor Lets the user configure the filter
protected PropertyPanel	m_FilterPanel Filter configuration
protected JButton	m_GenerateBut Click to generate artificial data
protected Instances	m_Instances The working instances
protected InstancesSummaryPanel	m_InstSummaryPanel Displays simple stats on the working instances
protected Thread	m_IOThread A thread for loading/saving instances from a file or URL
protected String	m_LastURL Stores the last URL that instances were loaded from
protected Logger	m_Log The message logger
protected JButton	m_OpenDBBut Click to load base instances from a Database
protected JButton	m_OpenFileBut Click to load base instances from a file
protected JButton	m_OpenURLBut Click to load base instances from a URL
protected JButton	m_RemoveButton Button for removing attributes
protected JButton	m_SaveBut Click to apply filters and save the results
protected String	m_SQLQ Stores the last sql query executed
protected PropertyChangeSupport	m_Support Manages sending notifications to people when we change the set of working instances.
protected File[]	m_tempUndoFiles Keeps track of undo points
protected int	m_tempUndoIndex The next available slot for an undo point
protected JButton	m_UndoBut Click to revert back to the last saved point

Fields inherited from class javax.swing.JComponent

listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

accessibleContext, 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 and Description
PreprocessPanel() Creates the instances panel with no initial instances.

Method Summary

Modifier and Type	Method and Description
void	addPropertyChangeListener(PropertyChangeListener l) Adds a PropertyChangeListener who will be notified of value changes.
void	addUndoPoint() Backs up the current state of the dataset, so the changes can be undone.
protected void	applyFilter(Filter filter) Passes the dataset through the filter that has been configured for use.
void	capabilitiesFilterChanged(Explorer.CapabilitiesFilterChangeEvent e) method gets called in case of a change event
void	edit() edits the current instances object in the viewer
void	generateInstances() sets Instances generated via DataGenerators (pops up a Dialog)
Explorer	getExplorer() returns the parent Explorer frame
Instances	getInstances() Gets the working set of instances.
String	getTabTitle() Returns the title for the tab in the Explorer
String	getTabTitleToolTip() Returns the tooltip for the tab in the Explorer
static void	main(String[] args) Tests out the instance-preprocessing panel from the command line.
void	removePropertyChangeListener(PropertyChangeListener l) Removes a PropertyChangeListener.
void	saveInstancesToFile(AbstractFileSaver saver, Instances inst) saves the data with the specified saver
void	saveWorkingInstancesToFileQ() Queries the user for a file to save instances as, then saves the instances in a background process.
void	setExplorer(Explorer parent) Sets the Explorer to use as parent frame (used for sending notifications about changes in the data)
void	setInstances(Instances inst) Tells the panel to use a new base set of instances.
void	setInstancesFromDB(InstanceQuery iq) Loads instances from a database
void	setInstancesFromDBQ(String url, String user, String pw, String query) Loads instances from an SQL query the user provided with the SqlViewerDialog, then loads the instances in a background process.
void	setInstancesFromFile(AbstractFileLoader loader) Loads results from a set of instances retrieved with the supplied loader.
void	setInstancesFromFileQ() Queries the user for a file to load instances from, then loads the instances in a background process.
void	setInstancesFromURL(URL u) Loads instances from a URL.
void	setInstancesFromURLQ() Queries the user for a URL to load instances from, then loads the instances in a background process.
void	setLog(Logger newLog) Sets the Logger to receive informational messages
protected void	showGeneratedInstances(String data) displays a dialog with the generated instances from the DataGenerator
void	undo() Reverts to the last backed up version of the dataset.
protected void	updateCapabilitiesFilter(Capabilities filter) updates the capabilities filter of the GOE

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, 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, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, 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, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, 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, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, 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, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, 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, getPeer, 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, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

m_InstSummaryPanel

protected InstancesSummaryPanel m_InstSummaryPanel

Displays simple stats on the working instances

m_OpenFileBut

protected JButton m_OpenFileBut

Click to load base instances from a file

m_OpenURLBut

protected JButton m_OpenURLBut

Click to load base instances from a URL

m_OpenDBBut

protected JButton m_OpenDBBut

Click to load base instances from a Database

m_GenerateBut

protected JButton m_GenerateBut

Click to generate artificial data

m_UndoBut

protected JButton m_UndoBut

Click to revert back to the last saved point

m_EditBut

protected JButton m_EditBut

Click to open the current instances in a viewer

m_SaveBut

protected JButton m_SaveBut

Click to apply filters and save the results

m_AttPanel

protected AttributeSelectionPanel m_AttPanel

Panel to let the user toggle attributes

m_RemoveButton

protected JButton m_RemoveButton

Button for removing attributes

m_AttSummaryPanel

protected AttributeSummaryPanel m_AttSummaryPanel

Displays summary stats on the selected attribute

m_FilterEditor

protected GenericObjectEditor m_FilterEditor

Lets the user configure the filter

m_FilterPanel

protected PropertyPanel m_FilterPanel

Filter configuration

m_ApplyFilterBut

protected JButton m_ApplyFilterBut

Click to apply filters and save the results

m_FileChooser

protected ConverterFileChooser m_FileChooser

The file chooser for selecting data files

m_LastURL

protected String m_LastURL

Stores the last URL that instances were loaded from

m_SQLQ

protected String m_SQLQ

Stores the last sql query executed

m_Instances

protected Instances m_Instances

The working instances

m_DataGenerator

protected DataGenerator m_DataGenerator

The last generator that was selected

m_AttVisualizePanel

protected AttributeVisualizationPanel m_AttVisualizePanel

The visualization of the attribute values

m_tempUndoFiles

protected File[] m_tempUndoFiles

Keeps track of undo points

m_tempUndoIndex

protected int m_tempUndoIndex

The next available slot for an undo point

m_Support

protected PropertyChangeSupport m_Support

Manages sending notifications to people when we change the set of working instances.

m_IOThread

protected Thread m_IOThread

A thread for loading/saving instances from a file or URL

m_Log

protected Logger m_Log

The message logger

m_Explorer

protected Explorer m_Explorer

the parent frame

Constructor Detail

PreprocessPanel

public PreprocessPanel()

Creates the instances panel with no initial instances.

Method Detail

setLog

public void setLog(Logger newLog)

Sets the Logger to receive informational messages

Specified by:

setLog in interface Explorer.LogHandler

Parameters:

newLog - the Logger that will now get info messages

setInstances

public void setInstances(Instances inst)

Tells the panel to use a new base set of instances.

Specified by:

setInstances in interface Explorer.ExplorerPanel

Parameters:

inst - a set of Instances

getInstances

public Instances getInstances()

Gets the working set of instances.

Returns:

the working instances

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener l)

Adds a PropertyChangeListener who will be notified of value changes.

Overrides:

addPropertyChangeListener in class Container

Parameters:

l - a value of type 'PropertyChangeListener'

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener l)

Removes a PropertyChangeListener.

Overrides:

removePropertyChangeListener in class Component

Parameters:

l - a value of type 'PropertyChangeListener'

applyFilter

protected void applyFilter(Filter filter)

Passes the dataset through the filter that has been configured for use.

Parameters:

filter - the filter to apply

saveWorkingInstancesToFileQ

public void saveWorkingInstancesToFileQ()

Queries the user for a file to save instances as, then saves the instances in a background process. This is done in the IO thread, and an error message is popped up if the IO thread is busy.

saveInstancesToFile

public void saveInstancesToFile(AbstractFileSaver saver,
                                Instances inst)

saves the data with the specified saver

Parameters:

saver - the saver to use for storing the data

inst - the data to save

setInstancesFromFileQ

public void setInstancesFromFileQ()

Queries the user for a file to load instances from, then loads the instances in a background process. This is done in the IO thread, and an error message is popped up if the IO thread is busy.

setInstancesFromDBQ

public void setInstancesFromDBQ(String url,
                                String user,
                                String pw,
                                String query)

Loads instances from an SQL query the user provided with the SqlViewerDialog, then loads the instances in a background process. This is done in the IO thread, and an error message is popped up if the IO thread is busy.

Parameters:

url - the database URL

user - the user to connect as

pw - the password of the user

query - the query for retrieving instances from

setInstancesFromURLQ

public void setInstancesFromURLQ()

Queries the user for a URL to load instances from, then loads the instances in a background process. This is done in the IO thread, and an error message is popped up if the IO thread is busy.

generateInstances

public void generateInstances()

sets Instances generated via DataGenerators (pops up a Dialog)

showGeneratedInstances

protected void showGeneratedInstances(String data)

displays a dialog with the generated instances from the DataGenerator

Parameters:

data - the data to display

setInstancesFromFile

public void setInstancesFromFile(AbstractFileLoader loader)

Loads results from a set of instances retrieved with the supplied loader. This is started in the IO thread, and a dialog is popped up if there's a problem.

Parameters:

loader - the loader to use

setInstancesFromDB

public void setInstancesFromDB(InstanceQuery iq)

Loads instances from a database

Parameters:

iq - the InstanceQuery object to load from (this is assumed to have been already connected to a valid database).

setInstancesFromURL

public void setInstancesFromURL(URL u)

Loads instances from a URL.

Parameters:

u - the URL to load from.

addUndoPoint

public void addUndoPoint()
                  throws Exception

Backs up the current state of the dataset, so the changes can be undone.

Throws:

Exception - if an error occurs

undo

public void undo()

Reverts to the last backed up version of the dataset.

edit

public void edit()

edits the current instances object in the viewer

setExplorer

public void setExplorer(Explorer parent)

Sets the Explorer to use as parent frame (used for sending notifications about changes in the data)

Specified by:

setExplorer in interface Explorer.ExplorerPanel

Parameters:

parent - the parent frame

getExplorer

public Explorer getExplorer()

returns the parent Explorer frame

Specified by:

getExplorer in interface Explorer.ExplorerPanel

Returns:

the parent

updateCapabilitiesFilter

protected void updateCapabilitiesFilter(Capabilities filter)

updates the capabilities filter of the GOE

Parameters:

filter - the new filter to use

capabilitiesFilterChanged

public void capabilitiesFilterChanged(Explorer.CapabilitiesFilterChangeEvent e)

method gets called in case of a change event

Specified by:

capabilitiesFilterChanged in interface Explorer.CapabilitiesFilterChangeListener

Parameters:

e - the associated change event

getTabTitle

public String getTabTitle()

Returns the title for the tab in the Explorer

Specified by:

getTabTitle in interface Explorer.ExplorerPanel

Returns:

the title of this tab

getTabTitleToolTip

public String getTabTitleToolTip()

Returns the tooltip for the tab in the Explorer

Specified by:

getTabTitleToolTip in interface Explorer.ExplorerPanel

Returns:

the tooltip of this tab

main

public static void main(String[] args)

Tests out the instance-preprocessing panel from the command line.

Parameters:

args - ignored