package base;
 
import graphics.Gui;
 
public class Main {
 
	public static void main(String[] args) {
		new Gui();
	}
 
}

package graphics;
 
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
 
import javax.swing.JFrame;
import javax.swing.JTable;
 
public class Gui extends JFrame implements MouseListener
{
 
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private ExampleTableModel model = new ExampleTableModel();
	private JTable table = new JTable(model);
	private MyDefaultTableCellRenderer renderer;
 
	public Gui()
	{
		table.setRowHeight(30);
		table.setTableHeader(null);
		table.setCellSelectionEnabled(false);
		table.addMouseListener(this);
		renderer = new MyDefaultTableCellRenderer();
		table.setDefaultRenderer(String.class, renderer);  
		JFrame frame = new JFrame();
		frame.setSize(500, 500);
		frame.addWindowListener( 
				new WindowAdapter() 
				{
					public void windowClosing(WindowEvent e) 
					{
						System.exit(0);
					}
				}
				);
		frame.getContentPane().add(table);
		frame.setResizable(false);
		frame.setVisible( true );
	}
 
	public void mouseClicked(MouseEvent e)
	{
 
	}
 
	public void mouseEntered(MouseEvent arg0)
	{
 
	}
 
	public void mouseExited(MouseEvent arg0)
	{
 
	}
 
	public void mousePressed(MouseEvent arg0)
	{
		int check = renderer.checkContainsCoordinates(table.getSelectedRow(), table.getSelectedColumn());
		if(check == -1)
		{
			System.out.println("Agrego");
			renderer.addCoordinate(table.getSelectedRow(), table.getSelectedColumn());
		} else if(check != -1)
		{
			System.out.println("Borro");
			renderer.removeCoordinate(check);
		}
		table.repaint();
	}
 
	public void mouseReleased(MouseEvent arg0)
	{
 
	}
}

package graphics;
 
import javax.swing.table.AbstractTableModel;
 
public class ExampleTableModel extends AbstractTableModel
{
    /**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private final String[] columnNames = {"", "", "", "", "", "", "", "", "", "", "", "", ""};
    final Object[][] data = {
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""},
        {"", "", "", "", "", "", "", "", "", "", "", "", ""}
    };
 
    @SuppressWarnings("unchecked")
	public Class getColumnClass(int column) 
    {
        return getValueAt(0, column).getClass();
    }
    public int getColumnCount() 
    {
        return columnNames.length;
    }
    public String getColumnName( int column ) 
    {
        return columnNames[column];
    }
    public int getRowCount() 
    {
        return data.length;
    }
    public Object getValueAt( int row, int column ) 
    {
        return data[row][column];
    }
    public void setValueAt(Object value, int row, int column)
    {
    	data[row][column] = value;
    }
}

package graphics;
 
import java.awt.Component;
import java.util.ArrayList;
 
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
 
import staticvar.staticvar;
 
public class MyDefaultTableCellRenderer extends DefaultTableCellRenderer 
{
 
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private ArrayList<Integer[]> coordinates = new ArrayList<Integer[]>();
 
	public void addCoordinate(int row, int col)
	{
		coordinates.add(new Integer [] {row, col});
	}
 
	public void removeCoordinate(int position)
	{
		coordinates.remove(position);
	}
 
	public Component getTableCellRendererComponent
	(JTable table, Object value, boolean isSelected,
			boolean hasFocus, int row, int col) 
	{
 
		if(checkContainsCoordinates(row, col) != -1)
		{
			this.setBackground(staticvar.colors[1]);
		} else if(checkContainsCoordinates(row, col) == -1)
		{
			this.setBackground(staticvar.colors[0]);
		}
 
		return this;
	}
 
	public int checkContainsCoordinates(int row, int col)
	{
		for(int i = 0; i < coordinates.size(); i++)
		{
			if(coordinates.get(i)[0] == row && coordinates.get(i)[1] == col)
			{
				return i;
			}
		}
		return -1;
	}
 
}

package staticvar;
 
import java.awt.Color;
 
public class staticvar {
 
	public static final Color [] colors = {Color.WHITE,
			Color.BLACK};
 
}