922.sagews

class Questionnaire(object):
    def __init__(self, questions):
        self.questions = questions
        self.answers = []
        self.n = 0
        self.question = self.questions[0]
        self.is_end = False
        
    def next_question(self):
        self.n = self.n + 1
        if len(self.questions) == self.n:
            self.is_end = True
        else: 
            self.question = self.questions[self.n]
        html("<script>evaluate_cell(%s,0)</script>"%self.empty_cell)

familyquestions = Questionnaire(['What is your name?', 'How old are you?', "What is your father's name?"])

familyquestions.interact_cell = sage.server.notebook.interact.SAGE_CELL_ID

if familyquestions.is_end:
    html.table([('Questions', 'Answers')] + zip(familyquestions.questions, familyquestions.answers), header=True)
else:
    @interact    
    def questions(answer=input_box('', label=familyquestions.question, type=str)):
        if answer:
            familyquestions.answers.append(answer)
            familyquestions.next_question()
        else:
            print answer
            print 'Please answer the question and then hit "ENTER".'

familyquestions.empty_cell = sage.server.notebook.interact.SAGE_CELL_ID
if familyquestions.n:
    html("<script>evaluate_cell(%s,0)</script>"%familyquestions.interact_cell)