Class ArffSortedTableModel

    • Constructor Detail

      • ArffSortedTableModel

        public ArffSortedTableModel​(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​(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 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,
                                      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​(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
      • notifyListener

        public void notifyListener​(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