package calculator;

import java.awt.GridLayout;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class View extends JFrame
{
    public View(Controller controller)
    {
	super("Calculator");
	
	final String[] LABELS = { "7", "8", "9", "+",
				  "4", "5", "6", "-",
				  "1", "2", "3", "*",
				  "0", "?", "=", "/" };
	
	JPanel buttons = new JPanel();
	
	final int ROWS = 4;
	final int COLUMNS = 4;
	final int GAP = 10;
	GridLayout buttonLayout = new GridLayout(ROWS, COLUMNS, GAP, GAP);
	buttons.setLayout(buttonLayout);
	
	for (String label : LABELS)
	    {
		JButton button = new JButton(label);
		button.setActionCommand(label);
		button.addActionListener(controller);
		buttons.add(button);
	    }
	
	this.add(buttons);
    }
}