def update_preview(self, focus_widget=None):
fact_data = {}
for fact_key, name in self.card_type.fact_keys_and_names:
if name == "Text" and \
"{{cloze:Text}}" in self.front_template.toPlainText():
fact_data[
fact_key] = "This is a {{c1::sample}} cloze deletion."
else:
fact_data[fact_key] = "(" + name + ")"
fact = Fact(fact_data)
fact_view = copy.deepcopy(self.fact_view)
fact_view.extra_data["qfmt"] = self.front_template.toPlainText()
fact_view.extra_data["afmt"] = self.back_template.toPlainText()
# We cannot deepcopy a card type because of card_type.name = _("foo").
card_type = copy.copy(self.card_type)
card_type.extra_data = copy.copy(self.card_type.extra_data)
card_type.extra_data["css"] = self.css.toPlainText()
card = Card(card_type, fact, fact_view)
card.extra_data["ord"] = 0
self.front_preview.setHtml(card.question())
self.back_preview.setHtml(card.answer())
# The html widget seems to grab the focus, so we need to restore the
# focus to the editor if needed.
if focus_widget:
focus_widget.setFocus()
