/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2007 - 2009 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.demo.util;
import java.awt.Component;
import java.text.NumberFormat;
import javax.swing.JTable;
import javax.swing.SwingConstants;
import javax.swing.table.DefaultTableCellRenderer;
/**
* A table cell renderer that formats numbers with right alignment in each cell.
*
* @author David Gilbert
*/
public class NumberCellRenderer extends DefaultTableCellRenderer
{
/**
* Default constructor - builds a renderer that right justifies the contents of a table cell.
*/
public NumberCellRenderer()
{
super();
setHorizontalAlignment(SwingConstants.RIGHT);
}
/**
* Returns itself as the renderer. Supports the TableCellRenderer interface.
*
* @param table the table.
* @param value the data to be rendered.
* @param isSelected a boolean that indicates whether or not the cell is selected.
* @param hasFocus a boolean that indicates whether or not the cell has the focus.
* @param row the (zero-based) row index.
* @param column the (zero-based) column index.
* @return the component that can render the contents of the cell.
*/
public Component getTableCellRendererComponent(final JTable table,
final Object value, final boolean isSelected,
final boolean hasFocus, final int row, final int column)
{
setFont(null);
final NumberFormat nf = NumberFormat.getNumberInstance();
if (value != null)
{
setText(nf.format(value));
}
else
{
setText("");
}
if (isSelected)
{
setBackground(table.getSelectionBackground());
}
else
{
setBackground(null);
}
return this;
}
}