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## org.jfree.ui
Class SortableTableModel

    java.lang.Object
      javax.swing.table.AbstractTableModel
          org.jfree.ui.SortableTableModel

All Implemented Interfaces:
  java.io.Serializable, javax.swing.table.TableModel

Direct Known Subclasses:
  SystemPropertiesTableModel

    public abstract class SortableTableModel

extends javax.swing.table.AbstractTableModel

The base class for a sortable table model.

Author:
  David Gilbert
See Also:
  Serialized Form

Field Summary

Fields inherited from class javax.swing.table.AbstractTableModel
`listenerList`

Constructor Summary
`SortableTableModel()` Constructs a sortable table model.

Method Summary
`int` | `getSortingColumn()` Returns the index of the sorting column, or -1 if the data is not sorted on any column.
`boolean` | `isAscending()` Returns `true` if the data is sorted in ascending order, and `false` otherwise.
`boolean` | `isSortable(int column)` Returns a flag indicating whether or not a column is sortable.
`void` | `setAscending(boolean flag)` Sets the flag that determines whether the sort order is ascending or descending.
`void` | `sortByColumn(int column, boolean ascending)` Sorts the table.

Methods inherited from class javax.swing.table.AbstractTableModel
`addTableModelListener, findColumn, fireTableCellUpdated, fireTableChanged, fireTableDataChanged, fireTableRowsDeleted, fireTableRowsInserted, fireTableRowsUpdated, fireTableStructureChanged, getColumnClass, getColumnName, getListeners, getTableModelListeners, isCellEditable, removeTableModelListener, setValueAt`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface javax.swing.table.TableModel
`getColumnCount, getRowCount, getValueAt`

Constructor Detail

### SortableTableModel

    public SortableTableModel()

  Constructs a sortable table model.

Method Detail

### getSortingColumn

    public int getSortingColumn()

  Returns the index of the sorting column, or -1 if the data is not sorted on any column.

  Returns:
    the column used for sorting.

### isAscending

    public boolean isAscending()

  Returns `true` if the data is sorted in ascending order, and `false` otherwise.

  Returns:
    `true` if the data is sorted in ascending order, and `false` otherwise.

### setAscending

    public void setAscending(boolean flag)

  Sets the flag that determines whether the sort order is ascending or descending.

  Parameters:
    `flag` - the flag.

### sortByColumn

    public void sortByColumn(int column,
                             boolean ascending)

  Sorts the table.

  Parameters:
    `column` - the column to sort on (zero-based index).
    `ascending` - a flag to indicate ascending order or descending order.

### isSortable

    public boolean isSortable(int column)

  Returns a flag indicating whether or not a column is sortable.

  Parameters:
    `column` - the column (zero-based index).
  Returns:
    boolean.

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