press \"Back\"/[have input]/warnings
press \"Delete\"/delete chosen row
press \"save\"/[information incomplete]/warnings
9.Show course list
press \"Save\"/[complete input]/refresh list
13.Show student list
6.Rubrics list
2.Menu
10.Edit old course
press \"back\"/
press \"Back\"/[have input]/warning
\"Delete row\"//delete selected row
12.Show task list
press \"save\"/[information complete]/show final grade
\"Save\"//show current list
\"Rubrics\" pressed//show all rubrics
press \"Save\"/[complete input]/show current list
rubrics selected and pressed \"Edit\"//show detail rubrics
course selected and pressed \"Edit\"//show course details
16.Confirm
double click task name//show all student name
press \"save\"/[incomplete input]/warning and require input
\"Add\" pressed//add new course
\"Back\"/[make changes don't save]/warning
14.Show task detail rubrics
\"Add row\"/ /add row at end
7.Edit exist rubrics table
\"Delete\"//show change list
press \"+\"//show task detail
input task name and press \"Add\"/new task will show in table
\"Save\"/[incomplete information]/warning
double click student name//individual grading
press \"back\"//back to task
press \"save\"//individual grading done
\"Delete\"//Delete selected rubric
double click course name//show all task in that course
\"Add\" pressed//show add table
8.Add new rubrics table
15.Grading
press \"Save\"/[information complete]/save individual rubrics
\"Course\" pressed//show all courses
11.Add new course
\"Save\"/[complete information]/show new add item
press\"Back\"/
press \"back\"/[have input]/don't save and back to student
