+class Uporzadkuj(Exercise):
+ def handle_pytanie(self, element):
+ """
+Overrides the returned content default handle_pytanie
+ """
+ # we ignore the result, returning our own
+ super(Uporzadkuj, self).handle_pytanie(element)
+ order_items = element.xpath(".//punkt/@rozw")
+
+ return u"""<div class="question" data-original="%s" data-no="%s">""" % \
+ (','.join(order_items), self.question_counter), \
+ u"""</div>"""
+
+ def handle_punkt(self, element):
+ return """<li class="question-piece" data-pos="%(rozw)s"/>""" \
+ % element.attrib,\
+ "</li>"
+
+
+class Luki(Exercise):
+ def find_pieces(self, question):
+ return question.xpath("//luka")
+
+ def solution_html(self, piece):
+ return piece.text + ''.join(
+ [etree.tostring(n, encoding=unicode)
+ for n in piece])
+
+ def handle_pytanie(self, element):
+ qpre, qpost = super(Luki, self).handle_pytanie(element)
+
+ luki = list(enumerate(self.find_pieces(element)))
+ luki_html = ""
+ i = 0
+ random.shuffle(luki)
+ for (i, luka) in luki:
+ i += 1
+ luka_html = self.solution_html(luka)
+ luki_html += u'<span class="draggable question-piece" data-no="%d">%s</span>' % (i, luka_html)
+ self.words_html = '<div class="words">%s</div>' % luki_html
+
+ return qpre, qpost
+
+ def handle_opis(self, element):
+ pre, post = super(Luki, self).handle_opis(element)
+ return pre, self.words_html + post
+
+ def handle_luka(self, element):
+ self.piece_counter += 1
+ return '<span class="placeholder" data-solution="%d"></span>' % self.piece_counter
+
+
+class Zastap(Luki):
+ def find_pieces(self, question):
+ return question.xpath("//zastap")
+
+ def solution_html(self, piece):
+ return piece.attrib['rozw']
+
+ def handle_zastap(self, element):
+ self.piece_counter += 1
+ return '<span class="placeholder zastap question-piece" data-solution="%d">' \
+ % self.piece_counter, '</span>'
+
+
+class Przyporzadkuj(Exercise):
+ def handle_pytanie(self, element):
+ pre, post = super(Przyporzadkuj, self).handle_pytanie(element)
+ minimum = element.attrib.get("min", None)
+ if minimum:
+ self.options = {"min": int(minimum)}
+ return pre, post
+
+ def handle_lista(self, lista):
+ if 'nazwa' in lista.attrib:
+ attrs = {
+ 'data-name': lista.attrib['nazwa'],
+ 'class': 'predicate'
+ }
+ self.options = {'predicate': True}
+ elif 'cel' in lista.attrib:
+ attrs = {
+ 'data-target': lista.attrib['cel'],
+ 'class': 'subject'
+ }
+ self.options = {'subject': True, 'handles': 'uchwyty' in lista.attrib}