java/Graph Editor/src/controllers/actions/Move.java

   1 package controllers.actions;
   2 import javax.swing.undo.AbstractUndoableEdit;
   3 import models.GraphVertex;
   4
   5 public class Move extends AbstractUndoableEdit {
   6         private static final long serialVersionUID = -7929100929760152271L;
   7         private GraphVertex o;
   8         private int originalX, originalY, newX, newY;
   9
  10         public Move(int originalX, int originalY,
  11                                 int newX, int newY, GraphVertex o)
  12         {
  13                 this.o = o;
  14                 this.originalX = originalX;
  15                 this.originalY = originalY;
  16                 this.newX = newX;
  17                 this.newY = newY;
  18                 redoAction();
  19         }
  20
  21         private void redoAction(){
  22                 o.setX(newX);
  23                 o.setY(newY);
  24         }
  25         public void redo()
  26         {
  27                 super.redo();
  28                 redoAction();
  29         }
  30
  31         public void undo()
  32         {
  33                 super.undo();
  34                 o.setX(originalX);
  35                 o.setY(originalY);
  36         }
  37
  38         public boolean isSignificant(){
  39                 return true;
  40         }
  41
  42         public String getPresentationName(){
  43                 return "Vertex verplaatsen.";
  44         }
  45 }