/*
 *
 *  BasicElement.java
 *
 */

import java.awt.*;
import java.awt.event.*;

public class BasicElement
{   private int x;      //  Coordinates for the
    private int y;      //   rectangle.
    private Color color;//  Color of the rectangle.
    private int value;  //  Size of the rectangle.

    //
    //  Drawing an element
    //
    public void paint(Graphics pane)
    {
        final                   //  The following constants define
            int                 //      the visual characteristics of an element
                DELTA = 5,      //  For the size of the element's "bottom line"
                WIDTH = 20,     //      the width of the element
                HEIGHT = 10;    //      the incremental height
                                //          (as a unit of the element's value)

        pane.setColor(Color.black);         //  Drawing the element's "bottom line"
        pane.drawLine(x-DELTA, y, x+WIDTH+DELTA, y);

        pane.setColor(Color.black);         //  Drawing the frame in black
        pane.drawRect(x, y - HEIGHT*value, WIDTH, HEIGHT*value);
                                            //      and the element itself
        pane.setColor(color);               //      in just the right color
        pane.fillRect(x + 1, y - HEIGHT*value + 1, WIDTH - 1, HEIGHT*value - 1);
    }

    //  Create a method for LabDemo to use.
    public BasicElement(int newX, int newY){
        x = newX;   //  Sets the coordinates for
        y = newY;   //   the rectangle.
    }

    public class Item extends BasicElement{ //  Makes item a subclass of BasicElement.

        public Item(int newX, int newY) {
            super(newX, newY);  //  To bring newX and newY values to be used by the Item subclass.
            // TODO Auto-generated constructor stub
        }

    }


    public void setValue(int newValue){
        value = newValue;   //  Value of the size
    }                       //   of the rectangle.

    public void setColor(Color newColor){
        color = newColor;   //  Sets the rectangle's
                            //   color.
    }

    public int getValue(){
        return value;   //  Returns the value of the
    }                   //   rectangle to be drawn.

}