// Steve Ruby
// CPS 1 Lab 3 materials (Calculator)

package awb;
import java.awt.*;

public class NumberPad extends Panel
{
    private int mySelectedNumber = 0;
    private final static int NUM_BUTTONS = 10;
    private Button[] myButtons = new Button[NUM_BUTTONS];
  
    
    public NumberPad()
    {
	setLayout(new GridLayout(4,3));
	for (int k=0;k<NUM_BUTTONS;k++)
	{
	    myButtons[k] = new Button(Integer.toString(k));
	    if (k == 9) add(new Panel());	// center bottom button
	    add(myButtons[k]);
	}
    }


    // Steve... FYI, 'o' on a button press event is the String
    // on the Button, so you could just to Integer.parseInt((String)o)
    // to get mySelectedNumber instead of going through a loop.

    public boolean action(Event e, Object o)
    {
	mySelectedNumber = Integer.parseInt((String)o);
	e.target=this;
	return getParent().action(e,o);  // propogate action to parent
    }
    
    public int getNumber()
    {
	return mySelectedNumber;
    }
}