private void updateControlsEnabled() {
   myClassPackageChooser.setEnabled(myToPackageRadioButton.isSelected());
   myInnerClassChooser.setEnabled(myMakeInnerClassOfRadioButton.isSelected());
   UIUtil.setEnabled(
       myTargetPanel,
       isMoveToPackage() && getSourceRoots().length > 1 && !myTargetDirectoryFixed,
       true);
   validateButtons();
 }
 protected boolean isMoveToPackage() {
   return myHavePackages || myToPackageRadioButton.isSelected();
 }