Object o = s.getFirstElement();
if (o instanceof IFile) {
IFile f = (IFile) o;
IJavaProject javaProject = JavaCore.create(f.getProject());
WizardDialog dialog = new WizardDialog(IvyPlugin.getActiveWorkbenchShell(),
new NewIvyDEContainerWizard(javaProject, f));
dialog.open();
}
return null;
}