org.jfree.ui

Class SortButtonRenderer

Implemented Interfaces:
TableCellRenderer

public class SortButtonRenderer
extends java.lang.Object
implements TableCellRenderer

A table cell renderer for table headings - uses one of three JButton instances to indicate the sort order for the table column.

This class (and also BevelArrowIcon) is adapted from original code by Nobuo Tamemasa (version 1.0, 26-Feb-1999) posted on www.codeguru.com.

Author:
David Gilbert

Field Summary

static int
DOWN
Useful constant indicating ASCENDING (that is, arrow pointing down) sorting in the table.
static int
NONE
Useful constant indicating NO sorting.
static int
UP
Useful constant indicating DESCENDING (that is, arrow pointing up) sorting in the table.

Constructor Summary

SortButtonRenderer()
Creates a new button renderer.

Method Summary

Component
getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
Returns the renderer component.
void
setPressedColumn(int column)
Sets the pressed column.

Field Details

DOWN

public static final int DOWN
Useful constant indicating ASCENDING (that is, arrow pointing down) sorting in the table.
Field Value:
1

NONE

public static final int NONE
Useful constant indicating NO sorting.
Field Value:
0

UP

public static final int UP
Useful constant indicating DESCENDING (that is, arrow pointing up) sorting in the table.
Field Value:
2

Constructor Details

SortButtonRenderer

public SortButtonRenderer()
Creates a new button renderer.

Method Details

getTableCellRendererComponent

public Component getTableCellRendererComponent(JTable table,
                                               Object value,
                                               boolean isSelected,
                                               boolean hasFocus,
                                               int row,
                                               int column)
Returns the renderer component.
Parameters:
table - the table.
value - the value.
isSelected - selected?
hasFocus - focussed?
row - the row.
column - the column.
Returns:
the renderer.

setPressedColumn

public void setPressedColumn(int column)
Sets the pressed column.
Parameters:
column - the column.