DateRenderer.java

/*
 *    ALMA - Atacama Large Millimiter Array
 *    (c) European Southern Observatory, 2002
 *    Copyright by ESO (in the framework of the ALMA collaboration)
 *    and Cosylab 2002, All rights reserved
 *
 *    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., 59 Temple Place, Suite 330, Boston, 
 *    MA 02111-1307  USA
 */
package alma.acs.logging.table.renderer;

import java.awt.Color;
import java.awt.Graphics;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.swing.JLabel;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import javax.swing.table.TableCellRenderer;

import alma.acs.util.IsoDateFormat;

/**
 * DateRenderer defines the label for displaying the time format.
 * Creation date: (1/22/02 4:15:49 PM)
 * @author: 
 */
public class DateRenderer extends JLabel implements TableCellRenderer {

	protected static final Border noFocusBorder= new EmptyBorder(1, 2, 1, 2);
	private Color bColor;
	private Color fColor;
	
	private final SimpleDateFormat longDateFormat = new IsoDateFormat();
	private final SimpleDateFormat shortDateFormat = new SimpleDateFormat("HH:mm:ss.SSS");
	
	// If it is true the date is shown as HH:mm:ss
	private boolean shortDate;

	/**
	 * DateRenderer constructor comment.
	 * 
	 * @param dateFormat True if the date must be shown in a short format
	 */
	public DateRenderer(boolean dateFormat) {
		super();
		shortDate=dateFormat;
		setPreferredSize(new java.awt.Dimension(18, 18));
		setOpaque(true);
		setBorder(noFocusBorder);
	}
	
		/**
		 *  This method is sent to the renderer by the drawing table to
		 *  configure the renderer appropriately before drawing.  Return
		 *  the Component used for drawing.
		 *
		 * @param	table		the JTable that is asking the renderer to draw.
		 *				This parameter can be null.
		 * @param	value		the value of the cell to be rendered.  It is
		 *				up to the specific renderer to interpret
		 *				and draw the value.  eg. if value is the
		 *				String "true", it could be rendered as a
		 *				string or it could be rendered as a check
		 *				box that is checked.  null is a valid value.
		 * @param	isSelected	true is the cell is to be renderer with
		 *				selection highlighting
		 * @param	row	        the row index of the cell being drawn.  When
		 *				drawing the header the rowIndex is -1.
		 * @param	column	        the column index of the cell being drawn
		 */
	public java.awt.Component getTableCellRendererComponent(javax.swing.JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
	
		if (isSelected) {
		    fColor = table.getSelectionForeground();
		    bColor = table.getSelectionBackground();
		} else {
		    fColor = table.getForeground();
		    bColor = table.getBackground();
		}
		setForeground(fColor);
		setBackground(bColor);
		
		setFont(table.getFont());
		if (value == null)
			return this;
			
		
		if (shortDate) {
			setText(shortDateFormat.format((Date)value));
		} else {
			setText(longDateFormat.format((Date)value));
		}
		
		return this;
	}
	
	public void paint( Graphics g )
		{
			g.setColor( bColor );
	
			g.fillRect( 0, 0, getWidth() - 1, getHeight() - 1 );
	
			super.paint( g );
	}
	
	/**
	 * Render the date in a short/complet form
	 * 
	 * @param shortFormat The format used to show the date 
	 *   
	 */
	public void setShortDateFormat(boolean shortFormat) {
		shortDate=shortFormat;
	}
}