rendererdecorator.java

《Java2图形设计卷II：Swing》配套光盘源码

import java.awt.*;
import javax.swing.*; 
import javax.swing.table.TableCellRenderer; 

public class RendererDecorator implements TableCellRenderer {
	protected TableCellRenderer renderer;

	public RendererDecorator(TableCellRenderer renderer) {
		if(renderer == null)
			throw new IllegalArgumentException(
								"null renderers are not allowed");
		this.renderer = renderer;	
	}
	public Component getTableCellRendererComponent(
											JTable table,
										  	Object value,
										  	boolean isSelected,
										  	boolean hasFocus,
										  	int row, int col) {
		return renderer.getTableCellRendererComponent(
										table, 
										value, 
										isSelected, 
										hasFocus, 
										row, col);
	}
}