@Override
 public void execute() {
   List<Project> selectedProjects =
       ProjectListBox.getProjectListBox().getProjectList().getSelectedProjects();
   if (selectedProjects.size() == 1) {
     exportProject(selectedProjects.get(0));
   } else {
     // The user needs to select only one project.
     ErrorReporter.reportInfo(MESSAGES.wrongNumberProjectsSelected());
   }
 }
    @Override
    public void execute() {
      List<Project> selectedProjects =
          ProjectListBox.getProjectListBox().getProjectList().getSelectedProjects();
      if (selectedProjects.size() > 0) {
        // Show one confirmation window for selected projects.
        if (deleteConfirmation(selectedProjects)) {
          for (Project project : selectedProjects) {
            deleteProject(project);
          }
        }

      } else {
        // The user can select a project to resolve the
        // error.
        ErrorReporter.reportInfo(MESSAGES.noProjectSelectedForDelete());
      }
    }