コード例 #1
0
 /** Since this is an add operation, figures can only be released if it has been undone. */
 public void release() {
   if (undone == true) {
     FigureEnumeration fe = getAffectedFigures();
     while (fe.hasNextFigure()) {
       Figure f = fe.nextFigure();
       getDrawingView().drawing().remove(f);
       f.release();
     }
   }
   setAffectedFigures(CH.ifa.draw.standard.FigureEnumerator.getEmptyEnumeration());
 }
コード例 #2
0
 public boolean undo() {
   if (!super.undo()) {
     return false;
   }
   // undo of add really shouldnt need visitor !?!dnoyeb!?!
   log("AddUndoActivity AddUndoActivity undo");
   DeleteFromDrawingVisitor deleteVisitor =
       new DeleteFromDrawingVisitor(getDrawingView().drawing());
   FigureEnumeration fe = getAffectedFigures();
   while (fe.hasNextFigure()) {
     CH.ifa.draw.framework.Figure f = fe.nextFigure();
     f.visit(deleteVisitor);
   }
   setAffectedFigures(deleteVisitor.getDeletedFigures());
   getDrawingView().clearSelection();
   undone = true;
   return true;
 }