package postal;
import java.awt.*;
import java.util.*;

public class PostalBarCode extends Component {
	
	public PostalBarCode() {
		setForeground(Color.black);
		setBackground(Color.white);
	}
	
	public void paint(Graphics g) {
		int offset	= 0;
		int i		= 0;
		Bar bar		= null;
		
		g.setColor(this.getBackground());
		g.fillRect(0,0,this.WIDTH, this.HEIGHT);
		g.setColor(this.getForeground());

		g.fillRect(BUFFER_SPACE, 
			MAX_HEIGHT - FullBar.sole().getHeight(), 
			FullBar.sole().getWidth(), FullBar.sole().getHeight());

		for (i = 0; i < mv_Bars.size(); i++) {
			bar = (Bar)mv_Bars.elementAt(i);
			offset = MAX_HEIGHT - bar.getHeight();
			g.fillRect((i+1) * mi_Space + BUFFER_SPACE, 
				offset, bar.getWidth(), bar.getHeight());
		}

		g.fillRect((i+1) * mi_Space + BUFFER_SPACE, 
				MAX_HEIGHT - FullBar.sole().getHeight(), 
				FullBar.sole().getWidth(), 
				FullBar.sole().getHeight());
	}

	public void clearCode() {
		mv_Bars.removeAllElements();
	}

	public void drawFullBar() {
		mv_Bars.addElement(FullBar.sole());
		repaint();
	}


	public void drawSmallBar() {
		mv_Bars.addElement(SmallBar.sole());
		repaint();
	}

	public void setSpacing(int space) {
		mi_Space = space;
	}
	
	public void setFullBarHeight(int height) {
		if (height > SmallBar.sole().getHeight() && height < MAX_HEIGHT) 		{
			FullBar.sole().setHeight(height);
		}
	}

	public void setSmallBarHeight(int height) {
		if (height > 0 && height < FullBar.sole().getHeight()) {
			SmallBar.sole().setHeight(height);
		}
	}

        private int             MAX_HEIGHT              = 30;
        private int             BUFFER_SPACE    = 10;
        private int             mi_Space        = 5;
        private Vector  mv_Bars                 = new Vector();


}