Пример #1
0
 def enable_buttons(self):
     # get a list of all existing problem ids
     problem_ids = db.get_problem_ids(conn)        
     # configure clicking function for all the delete buttons
     for qid in problem_ids:
         self.deletes[qid].config(command=lambda j=qid: self.del_problem(j))
     # configure clicking function for all the update buttons
     for qid in problem_ids:
         self.updates[qid].config(command=lambda j=qid: self.up_problem(j))
Пример #2
0
 def init_problems_in_lb(self):
     '''initialises the problems and puts them in the list box'''
     lb = self.list_box["problems"]
     # create a label_string
     label_string = "qid    subject    question    answer"
     lb.insert(END, label_string)
     # get all the problem ids
     ids = db.get_problem_ids(conn)
     for qid in ids:
         problem_string = self.string_qid(qid)
         lb.insert(END, problem_string)
Пример #3
0
 def init_problems_in_lb(self):
     '''initialises the problems and puts them in the list box'''
     lb = self.list_box["problems"]
     # create a label_string
     label_string = "{:<3}    {:<7}    {:<10}    {:<15}   {:<10}"
     label_string = label_string.format("qid", "subject", "question",
                                        "answer", "hint")
     lb.insert(END, label_string)
     # get all the problem ids
     ids = db.get_problem_ids(conn)
     for qid in ids:
         problem_string = self.string_qid(qid)
         lb.insert(END, problem_string)
Пример #4
0
 def gen_rows(self):
     # get a list of all the problem ids in the database
     ids = db.get_problem_ids(conn)
     # set iterator for grid rows
     i = 0
     # for each id create a row
     for qid in ids:
         # create new entries 
         subject_entry = ttk.Entry(self, font=REGULAR_FONT)
         question_entry = ttk.Entry(self, font=REGULAR_FONT)
         answer_entry = ttk.Entry(self, font=REGULAR_FONT)
         # add to corresponding dictonaries with problem ids as keys
         self.subjects[qid] = subject_entry
         self.questions[qid] = question_entry    
         self.answers[qid] = answer_entry
       
         # create new buttons
         update_button = ttk.Button(self, text="Update")
         delete_button = ttk.Button(self, text="Delete")
         # add to corresponding dictonaries with problem ids as keys        
         self.deletes[qid] = delete_button
         self.updates[qid] = update_button
         
         # set everything nicely on the grid using an iterator i
         subject_entry.grid(row=i+3, column=0)
         question_entry.grid(row=i+3, column=1)
         answer_entry.grid(row=i+3, column=2)
         update_button.grid(row=i+3, column=3)
         delete_button.grid(row=i+3, column=4)
         i += 1
         
         # create new problem object to contain problem info
         problem = Problem(qid)
         # set each entry with the corresponding value from the problem object
         subject_entry.insert(0, problem.get_subject())
         question_entry.insert(0, problem.get_question())
         answer_entry.insert(0, problem.get_answer())
Пример #5
0
>>>>>>> working_final
        
        
    def init_problems_in_lb(self):
        '''initialises the problems and puts them in the list box'''
        lb = self.list_box["problems"]
        # create a label_string
<<<<<<< HEAD
        label_string = "qid    subject    question    answer   hint"
=======
        label_string = "{:<3}    {:<7}    {:<10}    {:<15}   {:<10}"
        label_string = label_string.format("qid" ,"subject", "question", "answer", "hint")
>>>>>>> working_final
        lb.insert(END, label_string)
        # get all the problem ids
        ids = db.get_problem_ids(conn)
        for qid in ids:
            problem_string = self.string_qid(qid)
            lb.insert(END, problem_string)
    
    
    def string_qid(self, qid):
        '''creates a string to add to list box based on the uid'''
        problem_string = "{:<3}    {:<7}    {:<10}    {:<15}   {:<10}"
        # get the problem from the id
        problem = Problem(qid)
        # create a string to hold the result of the problem
        problem_string = problem_string.format(qid, problem.get_subject(), 
                           problem.get_question(), problem.get_answer(), problem.get_hint())
        # place the string inside the list_box
        return problem_string