Package weka.gui.arffviewer

Class 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: 14908 $
    Author:
    FracPete (fracpete at waikato dot ac dot nz)
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      ArffSortedTableModel​(java.lang.String filename, AbstractFileLoader... loaders)
      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
      ArffSortedTableModel​(Instances data)
      initializes the sorter w/o a model, but uses the given data to create a model from that

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method 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
      int getAttributeIndex​(int columnIndex)
      Returns the attribute index for the given column index.
      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
      boolean getShowAttributeIndex()
      Returns whether to display the attribute index in the header.
      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
      void insertInstance​(int index)
      Insert a new instance (all values 0) at the given index.
      boolean isAttribute​(int columnIndex)
      Check if given index is in range of column indices for attributes
      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 setAttributeWeightAt​(int columnIndex, double weight)
      sets the weight of the attribute at the given col index
      void setInstances​(Instances data)
      sets the data
      void setInstanceWeight​(int index, double weight)
      Sets the weight of the selected instance
      void setNotificationEnabled​(boolean enabled)
      sets whether the notification of changes is enabled
      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 sort​(int columnIndex, boolean ascending)
      sorts the table over the given column, either ascending or descending
      void sortInstances​(int columnIndex)
      sorts the instances via the given attribute
      void sortInstances​(int columnIndex, boolean ascending)
      sorts the instances via the given attribute
      void undo()
      undoes the last action

      • 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,
                            AbstractFileLoader... loaders)
        initializes the sorter w/o a model, but loads the given file and creates from that a model
        Parameters:
        filename - the file to load
        loaders - optional varargs loader to use

      • 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

      • getAttributeIndex

        public int getAttributeIndex​(int columnIndex)
        Returns the attribute index for the given column index.
        Parameters:
        columnIndex - the column index
        Returns:
        the attribute index

      • isAttribute

        public boolean isAttribute​(int columnIndex)
        Check if given index is in range of column indices for attributes
        Parameters:
        columnIndex - the column index
        Returns:
        true if the column corresponds to attribute

      • 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

      • setAttributeWeightAt

        public void setAttributeWeightAt​(int columnIndex,
                                 double weight)
        sets the weight of the attribute at the given col index
        Parameters:
        columnIndex - the index of the column
        weight - the new weight 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

      • insertInstance

        public void insertInstance​(int index)
        Insert a new instance (all values 0) at the given index. If index is < 0, then inserts at the end of the dataset
        Parameters:
        index - the index to insert at

      • setInstanceWeight

        public void setInstanceWeight​(int index,
                              double weight)
        Sets the weight of the selected instance
        Parameters:
        index - the index of the instance
        weight - the weight

      • 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

      • sortInstances

        public void sortInstances​(int columnIndex,
                          boolean ascending)
        sorts the instances via the given attribute
        Parameters:
        columnIndex - the index of the column
        ascending - ascending if true, otherwise descending

      • sort

        public void sort​(int columnIndex,
                 boolean ascending)
        sorts the table over the given column, either ascending or descending
        Overrides:
        sort in class SortedTableModel
        Parameters:
        columnIndex - the column to sort over
        ascending - ascending if true, otherwise descending

      • 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

      • 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