/*
   draw3: draw shadow if item contains (x,y)
*/

import java.awt.*;

public class Draw3 extends Draw2
{
   int iSelected = -1;

   Item newItem() { return (Item)(new Item3()); }

   Item3 item3(int i) { return (Item3)item[i]; }

   // DRAW SHADOW ONLY FOR THE SELECTED ITEM

   public void renderShadow() {
      if (iSelected >= 0) {
         setShadow(iSelected);
         item3(iSelected).draw(g, 10, 10, 3*item3(iSelected).r/2);
      }
   }

   public void renderFg() {
      for (int i = 0 ; i < nItems ; i++)
         if (i != iSelected)
            drawItem(i);

      // DRAW THE SELECTED ITEM ON TOP OF ALL OTHER ITEMS

      if (iSelected >= 0)
         drawItem(iSelected);
   }

   public void drawItem(int i) {
      item3(i).draw(g);
   }

   // CLICK ON AN ITEM TO SELECT IT

   public boolean mouseDown(Event e, int x, int y) {
      iSelected = itemAt(x, y);
      return super.mouseDown(e, x, y);
   }

   public boolean mouseUp(Event e, int x, int y) {
      iSelected = -1;
      return super.mouseUp(e, x, y);
   }

   // DO HIT TESTING ON ALL ITEMS TO FIND THE ONE AT X,Y

   int itemAt(int x, int y) {
      int ii = -1;
      for (int i = 0 ; i < nItems ; i++)
         if (item3(i).contains(x, y))
            ii = i;
      return ii;
   }
}