}
private void fillLectureCells(CourseSchedule courseSchedule) {
TangoColorFactory tangoColorFactory = new TangoColorFactory();
for (Lecture lecture : courseSchedule.getLectureList()) {
Color lectureColor = tangoColorFactory.pickColor(lecture.getCourse());
roomsPanel.addCell(lecture.getRoom(), lecture.getPeriod(),
createButton(lecture, lectureColor));
teachersPanel.addCell(lecture.getTeacher(), lecture.getPeriod(),
createButton(lecture, lectureColor));
for (Curriculum curriculum : lecture.getCurriculumList()) {