GuiBoard.java

import java.awt.Color; 
import java.awt.Font; 
import java.awt.GridLayout; 

import javax.swing.JLabel; 
import javax.swing.JPanel; 
import javax.swing.JPopupMenu; 

public   class  GuiBoard  extends JPanel {
	

    ListenerFactory listenerFactory;

	

    protected GuiBox[] boxes;

	

    public GuiBoard(ListenerFactory listenerFactory) {
        super();
        this.listenerFactory = listenerFactory;
        boxes = new GuiBox[Field.POSSIBILITIES];
        this.setLayout(new GridLayout((int) Math.round(Math.sqrt(Field.POSSIBILITIES)),
                                      (int) Math.round(Math.sqrt(Field.POSSIBILITIES))));
        for (int i = 0; i < Field.POSSIBILITIES; i++) {
            boxes[i] = new GuiBox(i, listenerFactory);
            this.add(boxes[i]);
        }
    }

	

    private void  update__wrappee__Undo  (Board b) {
        Field field;
        JLabel label;
        for (int boxNr = 0; boxNr < Field.POSSIBILITIES; boxNr++) {
            for (int fieldNr = 0; fieldNr < Field.POSSIBILITIES; fieldNr++) {
                field = b.getField(Structure.BOX, boxNr, fieldNr);
                label = boxes[boxNr].getLabel(fieldNr);
                label.setOpaque(true);
                if (field.isInitialSet()) {
                    label.setText(String.valueOf(field.getValue()));
                    label.setBackground(Color.LIGHT_GRAY);
                } else if (field.isSet()) {
                    label.setText(String.valueOf(field.getValue()));
                    label.setBackground(Color.WHITE);
                } else {
                    label.setText("");
                    label.setBackground(Color.WHITE);
                }
            }
        }
    }

	
    public void update(Board b) {
        update__wrappee__Undo(b);
        Field field;
        JLabel label;
        for (int boxNr = 0; boxNr < Field.POSSIBILITIES; boxNr++) {
            for (int fieldNr = 0; fieldNr < Field.POSSIBILITIES; fieldNr++) {
                field = b.getField(Structure.BOX, boxNr, fieldNr);
                label = boxes[boxNr].getLabel(fieldNr);
                label.setOpaque(true);
                if (field.isInitialSet()) {
                    label.setBackground(Color.BLACK);
                    label.setForeground(Color.ORANGE);
                } else if (field.isSet()) {
                    label.setForeground(Color.BLACK);
                    label.setBackground(Color.ORANGE);
                } else {
                    label.setBackground(Color.WHITE);
                }
            }
        }
    }


}