private void setLessonSlotRendererAndColorPicker() {
switch (this.type) {
case TimeTableType.SHIFT_TIMETABLE:
this.lessonSlotContentRenderer = new ShiftTimeTableLessonContentRenderer();
this.colorPicker = new ClassTimeTableColorPicker();
break;
case TimeTableType.EXECUTION_COURSE_TIMETABLE:
this.lessonSlotContentRenderer = new ExecutionCourseTimeTableLessonContentRenderer();