ini/trakem2/display/FallLine.java

   1 package ini.trakem2.display;
   2
   3 import java.awt.Point;
   4
   5 public class FallLine {
   6
   7         final Display display;
   8         final ZDisplayable source;
   9
  10         Object previous;
  11         Object next;
  12
  13         Layer current;
  14         Layer target;
  15         Point position;
  16
  17         public FallLine(Display display, ZDisplayable source) {
  18                 this.display = display;
  19                 this.source = source;
  20                 this.target = this.current = display.getLayer();
  21         }
  22
  23         public Layer getLayer() { return current; }
  24
  25         public boolean isSource(ZDisplayable zd) { return source == zd; }
  26
  27         public void go(Layer target) {
  28                 this.current = this.target;
  29                 this.target = target;
  30                 source.setPosition(this);
  31         }
  32 }