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1: /* ======================================================================== 2: * JCommon : a free general purpose class library for the Java(tm) platform 3: * ======================================================================== 4: * 5: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jcommon/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * --------------------- 28: * DateCellRenderer.java 29: * --------------------- 30: * (C) Copyright 2003, 2004, by Object Refinery Limited. 31: * 32: * Original Author: David Gilbert (for Object Refinery Limited); 33: * Contributor(s): -; 34: * 35: * $Id: DateCellRenderer.java,v 1.6 2006/04/30 09:07:20 taqua Exp $ 36: * 37: * Changes (from 26-Oct-2001) 38: * -------------------------- 39: * 24-Jul-2003 : Version 1 (DG); 40: * 41: */ 42: 43: package org.jfree.ui; 44: 45: import java.awt.Component; 46: import java.text.DateFormat; 47: 48: import javax.swing.JTable; 49: import javax.swing.SwingConstants; 50: import javax.swing.table.DefaultTableCellRenderer; 51: 52: /** 53: * A table cell renderer that formats dates. 54: * 55: * @author David Gilbert 56: */ 57: public class DateCellRenderer extends DefaultTableCellRenderer { 58: 59: /** The formatter. */ 60: private DateFormat formatter; 61: 62: /** 63: * Default constructor. 64: */ 65: public DateCellRenderer() { 66: this(DateFormat.getDateTimeInstance()); 67: } 68: 69: /** 70: * Creates a new renderer. 71: * 72: * @param formatter the formatter. 73: */ 74: public DateCellRenderer(final DateFormat formatter) { 75: super(); 76: this.formatter = formatter; 77: setHorizontalAlignment(SwingConstants.CENTER); 78: } 79: 80: /** 81: * Returns itself as the renderer. Supports the TableCellRenderer interface. 82: * 83: * @param table the table. 84: * @param value the data to be rendered. 85: * @param isSelected a boolean that indicates whether or not the cell is 86: * selected. 87: * @param hasFocus a boolean that indicates whether or not the cell has 88: * the focus. 89: * @param row the (zero-based) row index. 90: * @param column the (zero-based) column index. 91: * 92: * @return the component that can render the contents of the cell. 93: */ 94: public Component getTableCellRendererComponent(final JTable table, 95: final Object value, final boolean isSelected, 96: final boolean hasFocus, final int row, final int column) { 97: 98: setFont(null); 99: if (value != null) { 100: setText(this.formatter.format(value)); 101: } 102: else { 103: setText(""); 104: } 105: if (isSelected) { 106: setBackground(table.getSelectionBackground()); 107: } 108: else { 109: setBackground(null); 110: } 111: return this; 112: } 113: 114: }