/*!
* 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) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.libraries.designtime.swing;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.swing.*;
import javax.swing.table.DefaultTableCellRenderer;
import java.awt.*;
import java.text.Format;
public class FormattingTableCellRenderer extends DefaultTableCellRenderer {
private static final Log logger = LogFactory.getLog( FormattingTableCellRenderer.class );
private Format format;
public FormattingTableCellRenderer( final Format format ) {
if ( format == null ) {
throw new NullPointerException();
}
this.format = format;
}
/**
* Returns the default table cell renderer.
* <p/>
* During a printing operation, this method will be called with <code>isSelected</code> and <code>hasFocus</code>
* values of <code>false</code> to prevent selection and focus from appearing in the printed output. To do other
* customization based on whether or not the table is being printed, check the return value from {@link
* javax.swing.JComponent#isPaintingForPrint()}.
*
* @param table the <code>JTable</code>
* @param value the value to assign to the cell at <code>[row, column]</code>
* @param isSelected true if cell is selected
* @param hasFocus true if cell has focus
* @param row the row of the cell to render
* @param column the column of the cell to render
* @return the default table cell renderer
* @see javax.swing.JComponent#isPaintingForPrint()
*/
public Component getTableCellRendererComponent( final JTable table,
final Object value,
final boolean isSelected,
final boolean hasFocus,
final int row,
final int column ) {
if ( value != null ) {
try {
final String formattedValue = format.format( value );
return super.getTableCellRendererComponent( table, formattedValue, isSelected, hasFocus, row, column );
} catch ( Exception e ) {
// ignore, user error
logger.debug( "Unable to format value " + value, e );
}
}
return super.getTableCellRendererComponent( table, value, isSelected, hasFocus, row, column );
}
}