Package weka.gui.arffviewer
Class ArffSortedTableModel
java.lang.Object
javax.swing.table.AbstractTableModel
weka.gui.SortedTableModel
weka.gui.arffviewer.ArffSortedTableModel
- All Implemented Interfaces:
Serializable,EventListener,TableModelListener,TableModel,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:
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Nested Class Summary
Nested classes/interfaces inherited from class weka.gui.SortedTableModel
SortedTableModel.SortContainer -
Constructor Summary
ConstructorsConstructorDescriptionArffSortedTableModel(String filename, AbstractFileLoader... loaders) initializes the sorter w/o a model, but loads the given file and creates from that a modelArffSortedTableModel(TableModel model) initializes the sorter with the given modelinitializes the sorter w/o a model, but uses the given data to create a model from that -
Method Summary
Modifier and TypeMethodDescriptionvoidadds a listener to the list that is notified each time a change to data model occursvoidadds an undo point to the undo historyvoidattributeAsClassAt(int columnIndex) sets the attribute at the given col index as the new class attributebooleancanUndo()returns whether an undo is possible, i.e.voidremoves the undo historyvoiddeleteAttributeAt(int columnIndex) deletes the attribute at the given col indexvoiddeleteAttributes(int[] columnIndices) deletes the attributes at the given indicesvoiddeleteInstanceAt(int rowIndex) deletes the instance at the given indexvoiddeleteInstances(int[] rowIndices) deletes the instances at the given positionsgetAttributeAt(int columnIndex) returns the attribute at the given index, can be NULL if not an attribute columnintgetAttributeColumn(String name) returns the column of the given attribute name, -1 if not foundintgetAttributeIndex(int columnIndex) Returns the attribute index for the given column index.returns the datadoublegetInstancesValueAt(int rowIndex, int columnIndex) returns the double value of the underlying Instances object at the given position, -1 if out of boundsgetModelValueAt(int rowIndex, int columnIndex) returns the value at the given positionbooleanReturns whether to display the attribute index in the header.intgetType(int columnIndex) returns the TYPE of the attribute at the given positionintgetType(int rowIndex, int columnIndex) returns the TYPE of the attribute at the given positionvoidinsertInstance(int index) Insert a new instance (all values 0) at the given index.booleanisAttribute(int columnIndex) Check if given index is in range of column indices for attributesbooleanisMissingAt(int rowIndex, int columnIndex) checks whether the value at the given position is missingbooleanreturns whether the notification of changes is enabledbooleanreturns whether the model is read-onlybooleanreturns whether undo support is enabledvoidnotfies all listener of the change of the modelvoidremoves a listener from the list that is notified each time a change to the data model occursvoidrenameAttributeAt(int columnIndex, String newName) renames the attribute at the given col indexvoidsetAttributeWeightAt(int columnIndex, double weight) sets the weight of the attribute at the given col indexvoidsetInstances(Instances data) sets the datavoidsetInstanceWeight(int index, double weight) Sets the weight of the selected instancevoidsetNotificationEnabled(boolean enabled) sets whether the notification of changes is enabledvoidsetReadOnly(boolean value) sets whether the model is read-onlyvoidsetShowAttributeIndex(boolean value) Sets whether to display the attribute index in the header.voidsetUndoEnabled(boolean enabled) sets whether undo support is enabledvoidsort(int columnIndex, boolean ascending) sorts the table over the given column, either ascending or descendingvoidsortInstances(int columnIndex) sorts the instances via the given attributevoidsortInstances(int columnIndex, boolean ascending) sorts the instances via the given attributevoidundo()undoes the last actionMethods inherited from class weka.gui.SortedTableModel
addMouseListenerToHeader, getActualRow, getColumnClass, getColumnCount, getColumnName, getModel, getRowCount, getValueAt, isCellEditable, isSorted, setModel, setValueAt, sort, tableChangedMethods inherited from class javax.swing.table.AbstractTableModel
findColumn, fireTableCellUpdated, fireTableChanged, fireTableDataChanged, fireTableRowsDeleted, fireTableRowsInserted, fireTableRowsUpdated, fireTableStructureChanged, getListeners, getTableModelListeners
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Constructor Details
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ArffSortedTableModel
initializes the sorter w/o a model, but loads the given file and creates from that a model- Parameters:
filename- the file to loadloaders- optional varargs loader to use
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ArffSortedTableModel
initializes the sorter w/o a model, but uses the given data to create a model from that- Parameters:
data- the data to use
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ArffSortedTableModel
initializes the sorter with the given model- Parameters:
model- the model to use
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Method Details
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isNotificationEnabled
public boolean isNotificationEnabled()returns whether the notification of changes is enabled- Returns:
- true if notification of changes is enabled
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setNotificationEnabled
public void setNotificationEnabled(boolean enabled) sets whether the notification of changes is enabled- Parameters:
enabled- enables/disables the notification
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isUndoEnabled
public boolean isUndoEnabled()returns whether undo support is enabled- Specified by:
isUndoEnabledin interfaceUndoable- Returns:
- true if undo support is enabled
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setUndoEnabled
public void setUndoEnabled(boolean enabled) sets whether undo support is enabled- Specified by:
setUndoEnabledin interfaceUndoable- Parameters:
enabled- whether to enable/disable undo support
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isReadOnly
public boolean isReadOnly()returns whether the model is read-only- Returns:
- true if model is read-only
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setReadOnly
public void setReadOnly(boolean value) sets whether the model is read-only- Parameters:
value- if true the model is set to read-only
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getAttributeIndex
public int getAttributeIndex(int columnIndex) Returns the attribute index for the given column index.- Parameters:
columnIndex- the column index- Returns:
- the attribute index
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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
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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 indexcolumnIndex- the column index- Returns:
- the underlying value in the Instances object
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getModelValueAt
returns the value at the given position- Parameters:
rowIndex- the row indexcolumnIndex- the column index- Returns:
- the value of the model at the given position
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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
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getType
public int getType(int rowIndex, int columnIndex) returns the TYPE of the attribute at the given position- Parameters:
rowIndex- the index of the rowcolumnIndex- the index of the column- Returns:
- the attribute type
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deleteAttributeAt
public void deleteAttributeAt(int columnIndex) deletes the attribute at the given col index- Parameters:
columnIndex- the index of the attribute to delete
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deleteAttributes
public void deleteAttributes(int[] columnIndices) deletes the attributes at the given indices- Parameters:
columnIndices- the column indices
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renameAttributeAt
renames the attribute at the given col index- Parameters:
columnIndex- the index of the columnnewName- the new name of the attribute
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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 columnweight- the new weight of the attribute
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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
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deleteInstanceAt
public void deleteInstanceAt(int rowIndex) deletes the instance at the given index- Parameters:
rowIndex- the index of the row
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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
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setInstanceWeight
public void setInstanceWeight(int index, double weight) Sets the weight of the selected instance- Parameters:
index- the index of the instanceweight- the weight
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deleteInstances
public void deleteInstances(int[] rowIndices) deletes the instances at the given positions- Parameters:
rowIndices- the indices to delete
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sortInstances
public void sortInstances(int columnIndex) sorts the instances via the given attribute- Parameters:
columnIndex- the index of the column
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sortInstances
public void sortInstances(int columnIndex, boolean ascending) sorts the instances via the given attribute- Parameters:
columnIndex- the index of the columnascending- ascending if true, otherwise descending
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sort
public void sort(int columnIndex, boolean ascending) sorts the table over the given column, either ascending or descending- Overrides:
sortin classSortedTableModel- Parameters:
columnIndex- the column to sort overascending- ascending if true, otherwise descending
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getAttributeColumn
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
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isMissingAt
public boolean isMissingAt(int rowIndex, int columnIndex) checks whether the value at the given position is missing- Parameters:
rowIndex- the row indexcolumnIndex- the column index- Returns:
- true if the value at the position is missing
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setInstances
sets the data- Parameters:
data- the data to use
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getInstances
returns the data- Returns:
- the current data
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getAttributeAt
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
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addTableModelListener
adds a listener to the list that is notified each time a change to data model occurs- Specified by:
addTableModelListenerin interfaceTableModel- Overrides:
addTableModelListenerin classAbstractTableModel- Parameters:
l- the listener to add
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removeTableModelListener
removes a listener from the list that is notified each time a change to the data model occurs- Specified by:
removeTableModelListenerin interfaceTableModel- Overrides:
removeTableModelListenerin classAbstractTableModel- Parameters:
l- the listener to remove
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notifyListener
notfies all listener of the change of the model- Parameters:
e- the event to send to the listeners
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clearUndo
public void clearUndo()removes the undo history -
canUndo
public boolean canUndo()returns whether an undo is possible, i.e. whether there are any undo points saved so far -
undo
public void undo()undoes the last action -
addUndoPoint
public void addUndoPoint()adds an undo point to the undo history- Specified by:
addUndoPointin interfaceUndoable
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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
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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
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