def __init__(self, *args, **kwargs):
super(XBlock, self).__init__(*args, **kwargs)
self.questionController = QuestionController(self)
class MultiChoiceXBlock(XBlock):
''' Studio data '''
''' Use self.questionController.<somemethod/attr> to work with these variables'''
title = String(
default="", scope=Scope.content,
)
description = String(
default="", scope=Scope.content,
)
questions = List(
default=[], scope=Scope.content,
)
maxScore = Integer(
default=0, scope=Scope.content,
)
confidenceLevels = Dict(
default={
'low': {
'correct': 1,
'wrong': 0
},
'normal': {
'correct': 1.5,
'wrong': -0.5
},
'high': {
'correct': 2,
'wrong': -1
}
}, scope=Scope.content,
)
''' Student data '''
responses = List(
default=[], scope=Scope.user_state,
)
score = Integer(
default=0, scope=Scope.user_state,
)
questionInterface = None
def __init__(self, *args, **kwargs):
super(XBlock, self).__init__(*args, **kwargs)
self.questionController = QuestionController(self)
''' Views '''
def studio_view(self, context=None):
tpl = Template(filename="multichoice/multichoice/static/html/manage_questions.html")
buf = StringIO()
ctx = Context(buf, xblock=self)
tpl.render_context(ctx)
frag = Fragment(buf.getvalue())
frag.add_css(self.resource_string("static/css/multichoice.css"))
frag.add_css(self.resource_string("static/css/font-awesome.min.css"))
frag.add_javascript(self.resource_string("static/js/src/manage_questions.js"))
frag.initialize_js('MultiChoiceXBlock')
return frag
''' JSON handler methods '''
@XBlock.json_handler
def get_questions(self, data, suffix=''):
return self.questionController.getQuestions()
@XBlock.json_handler
def add_question(self, data, suffix=''):
question = 'Choose A, B or C'
answers = []
answers.append({
'text': 'A',
'isCorrect': True
})
answers.append({
'text': 'B',
'isCorrect': False
})
answers.append({
'text': 'C',
'isCorrect': False
})
addedQuestion = self.questionController.addQuestion(question, answers)
return {'numQuestions': len(self.questions), 'question': addedQuestion}
''' Helper methods '''
def resource_string(self, path):
""" Handy helper for getting resources from our kit."""
data = pkg_resources.resource_string(__name__, path)
return data.decode("utf8")
@staticmethod
def workbench_scenarios():
return [
("MultiChoiceXBlock",
"""<multichoice/>
"""),
]
