/*
   draw4: draw shadow when dragging item
*/

import java.awt.*;

public class Draw4 extends Draw3
{
   int mx = 0, my = 0;

   Item newItem() { return (Item)(new Item4()); }

   Item4 item4(int i) { return (Item4)item[i]; }

   // DRAG AN ITEM TO SELECT IT

   public boolean mouseDown(Event e, int x, int y) {
      damage = true;
      iSelected = itemAt(x, y);
      if (iSelected >= 0) {
         item4(iSelected).move(0, 0);
         mx = x;
         my = y;
         return true;
      }

      return super.mouseDown(e, x, y);
   }

   public boolean mouseDrag(Event e, int x, int y) {
      damage = true;
      if (iSelected >= 0) {
         item4(iSelected).move(x - mx, y - my);
         mx = x;
         my = y;
         return true;
      }

      return super.mouseDrag(e, x, y);
   }
}