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JCommon is a free general purpose Java class library that is used in
several projects at www.jfree.org, including JFreeChart and
JFreeReport.
/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ---------------------
* DateCellRenderer.java
* ---------------------
* (C) Copyright 2003, 2004, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: DateCellRenderer.java,v 1.7 2007/11/02 17:50:36 taqua Exp $
*
* Changes (from 26-Oct-2001)
* --------------------------
* 24-Jul-2003 : Version 1 (DG);
*
*/
package org.jfree.ui;
import java.awt.Component;
import java.text.DateFormat;
import javax.swing.JTable;
import javax.swing.SwingConstants;
import javax.swing.table.DefaultTableCellRenderer;
/**
* A table cell renderer that formats dates.
*
* @author David Gilbert
*/
public class DateCellRenderer extends DefaultTableCellRenderer {
/** The formatter. */
private DateFormat formatter;
/**
* Default constructor.
*/
public DateCellRenderer() {
this(DateFormat.getDateTimeInstance());
}
/**
* Creates a new renderer.
*
* @param formatter the formatter.
*/
public DateCellRenderer(final DateFormat formatter) {
super();
this.formatter = formatter;
setHorizontalAlignment(SwingConstants.CENTER);
}
/**
* 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);
if (value != null) {
setText(this.formatter.format(value));
}
else {
setText("");
}
if (isSelected) {
setBackground(table.getSelectionBackground());
}
else {
setBackground(null);
}
return this;
}
}
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