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## 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
`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
`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`

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