weka.gui.arffviewer

Class ArffSortedTableModel

java.lang.Object

javax.swing.table.AbstractTableModel

weka.gui.SortedTableModel

weka.gui.arffviewer.ArffSortedTableModel

All Implemented Interfaces:

java.io.Serializable, java.util.EventListener, javax.swing.event.TableModelListener, javax.swing.table.TableModel, Undoable

public class ArffSortedTableModel
extends SortedTableModel
implements Undoable

A sorter for the ARFF-Viewer - necessary because of the custom CellRenderer.

Version:

$Revision: 1.4 $

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class weka.gui.SortedTableModel

SortedTableModel.SortContainer

Constructor Summary

Constructors

Constructor and Description
ArffSortedTableModel(Instances data) initializes the sorter w/o a model, but uses the given data to create a model from that
ArffSortedTableModel(java.lang.String filename) initializes the sorter w/o a model, but loads the given file and creates from that a model
ArffSortedTableModel(javax.swing.table.TableModel model) initializes the sorter with the given model

Method Summary

Modifier and Type	Method and Description
void	addTableModelListener(javax.swing.event.TableModelListener l) adds a listener to the list that is notified each time a change to data model occurs
void	addUndoPoint() adds an undo point to the undo history
void	attributeAsClassAt(int columnIndex) sets the attribute at the given col index as the new class attribute
boolean	canUndo() returns whether an undo is possible, i.e.
void	clearUndo() removes the undo history
void	deleteAttributeAt(int columnIndex) deletes the attribute at the given col index
void	deleteAttributes(int[] columnIndices) deletes the attributes at the given indices
void	deleteInstanceAt(int rowIndex) deletes the instance at the given index
void	deleteInstances(int[] rowIndices) deletes the instances at the given positions
Attribute	getAttributeAt(int columnIndex) returns the attribute at the given index, can be NULL if not an attribute column
int	getAttributeColumn(java.lang.String name) returns the column of the given attribute name, -1 if not found
Instances	getInstances() returns the data
double	getInstancesValueAt(int rowIndex, int columnIndex) returns the double value of the underlying Instances object at the given position, -1 if out of bounds
java.lang.Object	getModelValueAt(int rowIndex, int columnIndex) returns the value at the given position
int	getType(int columnIndex) returns the TYPE of the attribute at the given position
int	getType(int rowIndex, int columnIndex) returns the TYPE of the attribute at the given position
boolean	isMissingAt(int rowIndex, int columnIndex) checks whether the value at the given position is missing
boolean	isNotificationEnabled() returns whether the notification of changes is enabled
boolean	isReadOnly() returns whether the model is read-only
boolean	isUndoEnabled() returns whether undo support is enabled
void	notifyListener(javax.swing.event.TableModelEvent e) notfies all listener of the change of the model
void	removeTableModelListener(javax.swing.event.TableModelListener l) removes a listener from the list that is notified each time a change to the data model occurs
void	renameAttributeAt(int columnIndex, java.lang.String newName) renames the attribute at the given col index
void	setInstances(Instances data) sets the data
void	setNotificationEnabled(boolean enabled) sets whether the notification of changes is enabled
void	setReadOnly(boolean value) sets whether the model is read-only
void	setUndoEnabled(boolean enabled) sets whether undo support is enabled
void	sortInstances(int columnIndex) sorts the instances via the given attribute
void	undo() undoes the last action

Methods inherited from class weka.gui.SortedTableModel

addMouseListenerToHeader, getActualRow, getColumnClass, getColumnCount, getColumnName, getModel, getRowCount, getValueAt, isCellEditable, isSorted, setModel, setValueAt, sort, sort, tableChanged

Methods inherited from class javax.swing.table.AbstractTableModel

findColumn, fireTableCellUpdated, fireTableChanged, fireTableDataChanged, fireTableRowsDeleted, fireTableRowsInserted, fireTableRowsUpdated, fireTableStructureChanged, getListeners, getTableModelListeners

Methods inherited from class java.lang.Object

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

Constructor Detail

ArffSortedTableModel

public ArffSortedTableModel(java.lang.String filename)

initializes the sorter w/o a model, but loads the given file and creates from that a model

Parameters:

filename - the file to load

ArffSortedTableModel

public ArffSortedTableModel(Instances data)

initializes the sorter w/o a model, but uses the given data to create a model from that

Parameters:

data - the data to use

ArffSortedTableModel

public ArffSortedTableModel(javax.swing.table.TableModel model)

initializes the sorter with the given model

Parameters:

model - the model to use

Method Detail

isNotificationEnabled

public boolean isNotificationEnabled()

returns whether the notification of changes is enabled

Returns:

true if notification of changes is enabled

setNotificationEnabled

public void setNotificationEnabled(boolean enabled)

sets whether the notification of changes is enabled

Parameters:

enabled - enables/disables the notification

isUndoEnabled

public boolean isUndoEnabled()

returns whether undo support is enabled

Specified by:

isUndoEnabled in interface Undoable

Returns:

true if undo support 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

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

getInstancesValueAt

public double getInstancesValueAt(int rowIndex,
                                  int columnIndex)

returns the double value of the underlying Instances object at the given position, -1 if out of bounds

Parameters:

rowIndex - the row index

columnIndex - the column index

Returns:

the underlying value in the Instances object

getModelValueAt

public java.lang.Object getModelValueAt(int rowIndex,
                                        int columnIndex)

returns the value at the given position

Parameters:

rowIndex - the row index

columnIndex - the column index

Returns:

the value of the model at the given position

getType

public int getType(int columnIndex)

returns the TYPE of the attribute at the given position

Parameters:

columnIndex - the index of the column

Returns:

the attribute type

getType

public int getType(int rowIndex,
                   int columnIndex)

returns the TYPE of the attribute at the given position

Parameters:

rowIndex - the index of the row

columnIndex - the index of the column

Returns:

the attribute type

deleteAttributeAt

public void deleteAttributeAt(int columnIndex)

deletes the attribute at the given col index

Parameters:

columnIndex - the index of the attribute to delete

deleteAttributes

public void deleteAttributes(int[] columnIndices)

deletes the attributes at the given indices

Parameters:

columnIndices - the column indices

renameAttributeAt

public void renameAttributeAt(int columnIndex,
                              java.lang.String newName)

renames the attribute at the given col index

Parameters:

columnIndex - the index of the column

newName - the new name of the attribute

attributeAsClassAt

public void attributeAsClassAt(int columnIndex)

sets the attribute at the given col index as the new class attribute

Parameters:

columnIndex - the index of the column

deleteInstanceAt

public void deleteInstanceAt(int rowIndex)

deletes the instance at the given index

Parameters:

rowIndex - the index of the row

deleteInstances

public void deleteInstances(int[] rowIndices)

deletes the instances at the given positions

Parameters:

rowIndices - the indices to delete

sortInstances

public void sortInstances(int columnIndex)

sorts the instances via the given attribute

Parameters:

columnIndex - the index of the column

getAttributeColumn

public int getAttributeColumn(java.lang.String name)

returns the column of the given attribute name, -1 if not found

Parameters:

name - the name of the attribute

Returns:

the column index or -1 if not found

isMissingAt

public boolean isMissingAt(int rowIndex,
                           int columnIndex)

checks whether the value at the given position is missing

Parameters:

rowIndex - the row index

columnIndex - the column index

Returns:

true if the value at the position is missing

setInstances

public void setInstances(Instances data)

sets the data

Parameters:

data - the data to use

getInstances

public Instances getInstances()

returns the data

Returns:

the current data

getAttributeAt

public Attribute getAttributeAt(int columnIndex)

returns the attribute at the given index, can be NULL if not an attribute column

Parameters:

columnIndex - the index of the column

Returns:

the attribute at the position

addTableModelListener

public void addTableModelListener(javax.swing.event.TableModelListener l)

adds a listener to the list that is notified each time a change to data model occurs

Specified by:

addTableModelListener in interface javax.swing.table.TableModel

Overrides:

addTableModelListener in class javax.swing.table.AbstractTableModel

Parameters:

l - the listener to add

removeTableModelListener

public void removeTableModelListener(javax.swing.event.TableModelListener l)

removes a listener from the list that is notified each time a change to the data model occurs

Specified by:

removeTableModelListener in interface javax.swing.table.TableModel

Overrides:

removeTableModelListener in class javax.swing.table.AbstractTableModel

Parameters:

l - the listener to remove

notifyListener

public void notifyListener(javax.swing.event.TableModelEvent e)

notfies all listener of the change of the model

Parameters:

e - the event to send to the listeners

clearUndo

public void clearUndo()

removes the undo history

Specified by:

clearUndo in interface Undoable

canUndo

public boolean canUndo()

returns whether an undo is possible, i.e. whether there are any undo points saved so far

Specified by:

canUndo in interface Undoable

Returns:

returns TRUE if there is an undo possible

undo

public void undo()

undoes the last action

Specified by:

undo in interface Undoable

addUndoPoint

public void addUndoPoint()

adds an undo point to the undo history

Specified by:

addUndoPoint in interface Undoable