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org.jfree.data.xy

Class XYDatasetTableModel

Implemented Interfaces:
EventListener, TableModel, DatasetChangeListener
public class XYDatasetTableModel
extends AbstractTableModel
implements TableModel, DatasetChangeListener
A READ-ONLY wrapper around a TableXYDataset to convert it to a table model for use in a JTable. The first column of the table shows the x-values, the remaining columns show the y-values for each series (series 0 appears in column 1, series 1 appears in column 2, etc).

TO DO:

Author:
Bryan Scott

Constructor Summary

XYDatasetTableModel()
Default constructor.
XYDatasetTableModel(TableXYDataset dataset)
Creates a new table model based on the specified dataset.

Method Summary

void
datasetChanged(DatasetChangeEvent event)
Receives notification that the underlying dataset has changed.
int
getColumnCount()
Gets the number of columns in the model.
String
getColumnName(int column)
Returns the column name.
int
getRowCount()
Returns the number of rows.
Object
getValueAt(int row, int column)
Returns a value of the specified cell.
boolean
isCellEditable(int row, int column)
Returns a flag indicating whether or not the specified cell is editable.
void
setModel(TableXYDataset dataset)
Sets the model (dataset).
void
setValueAt(Object value, int row, int column)
Updates the XYDataset if allowed.

Constructor Details

XYDatasetTableModel

public XYDatasetTableModel()
Default constructor.

XYDatasetTableModel

public XYDatasetTableModel(TableXYDataset dataset)
Creates a new table model based on the specified dataset.
Parameters:
dataset - the dataset.

Method Details

datasetChanged

public void datasetChanged(DatasetChangeEvent event)
Receives notification that the underlying dataset has changed.
Specified by:
datasetChanged in interface DatasetChangeListener
Parameters:
event - the event
See Also:
DatasetChangeListener

getColumnCount

public int getColumnCount()
Gets the number of columns in the model.
Returns:
The number of columns in the model.

getColumnName

public String getColumnName(int column)
Returns the column name.
Parameters:
column - the column index.
Returns:
The column name.

getRowCount

public int getRowCount()
Returns the number of rows.
Returns:
The row count.

getValueAt

public Object getValueAt(int row,
                         int column)
Returns a value of the specified cell. Column 0 is the X axis, Columns 1 and over are the Y axis
Parameters:
row - the row number.
column - the column number.
Returns:
The value of the specified cell.

isCellEditable

public boolean isCellEditable(int row,
                              int column)
Returns a flag indicating whether or not the specified cell is editable.
Parameters:
row - the row number.
column - the column number.
Returns:
true if the specified cell is editable.

setModel

public void setModel(TableXYDataset dataset)
Sets the model (dataset).
Parameters:
dataset - the dataset.

setValueAt

public void setValueAt(Object value,
                       int row,
                       int column)
Updates the XYDataset if allowed.
Parameters:
value - the new value.
row - the row.
column - the column.

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