ColorRenderer.java

package fr.orsay.lri.varna.components;


import java.awt.Color;
import java.awt.Component;

import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.border.Border;
import javax.swing.table.TableCellRenderer;

public class ColorRenderer extends JLabel implements TableCellRenderer {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	Border unselectedBorder = null;
	Border selectedBorder = null;
	boolean isBordered = true;

	public ColorRenderer(boolean isBordered) {
		this.isBordered = isBordered;
		setOpaque(true); // MUST do this for background to show up.
	}

	public Component getTableCellRendererComponent(JTable table, Object color,
			boolean isSelected, boolean hasFocus, int row, int column) {
		Color newColor = (Color) color;
		setBackground(newColor);
		if (isBordered) {
			if (isSelected) {
				if (selectedBorder == null) {
					selectedBorder = BorderFactory.createMatteBorder(2, 5, 2,
							5, table.getSelectionBackground());
				}
				setBorder(selectedBorder);
			} else {
				if (unselectedBorder == null) {
					unselectedBorder = BorderFactory.createMatteBorder(2, 5, 2,
							5, table.getBackground());
				}
				setBorder(unselectedBorder);
			}
		}

		setToolTipText("RGB value: " + newColor.getRed() + ", "
				+ newColor.getGreen() + ", " + newColor.getBlue());
		return this;
	}
}