import java.awt.*;
import java.util.*;

public class VisibleHorizontalArray extends VisibleArray {

    private int cellWidth = 50;
    private int cellHeight = 30;
    private int indexWidth = 50;

    public VisibleHorizontalArray(String caption, Object a[]) {
	super(caption, a);
    }

    public void paint(Graphics g) {
	super.paint(g);
	FontMetrics fm = g.getFontMetrics();
	int vOffset = fm.getAscent() + 8;
	int hOffset1 = 10;
	int vPosition1 = (int) (0.1 *cellHeight) + vOffset + 8;
	int vPosition2 = vOffset + cellHeight;

	g.setFont(new Font("Helvetica", Font.BOLD, (cellHeight * 2)/3));
	FontMetrics fm2 = g.getFontMetrics();
	for (int i = 0; i < length(); i++) {
	    int hPos1 = hOffset1 + (i * cellWidth);
	    // Show the array index on a green background:
	    g.setColor(Color.green);
	    g.fillRect(hPos1, vPosition1, cellWidth - 4, cellHeight - 4);
	    g.setColor(Color.black);
	    int indexWidth = fm2.stringWidth(i + "");
	    g.drawString( i + "",
			  hPos1 + ((cellWidth - indexWidth)/2),
			  vPosition2);

	    // Show the array value on a blue background:
	    g.setColor(Color.blue);
	    g.fillRect(hPos1,
		       vPosition1 + cellHeight,
		       cellWidth - 4,
		       cellHeight - 4);
	    g.setColor(Color.red);
	    int eltWidth = fm2.stringWidth(theArray[i].toString());
	    g.drawString( theArray[i].toString(), 
			  hPos1 + ((cellWidth - eltWidth)/2),
			  vPosition2 + cellHeight);
	}
    }

    public void describeVHA() {
	System.out.println("A VisibleHorizontalArray: ");
	describe();
    }
}

// S. Tanimoto, November 2000.