def __init__(self, view):
""" Initialisation method. Starts festival, binds this class to the
ListEditor and then populates its list of lists with the pre-specified
lists. """
self.tts = Festival()
self.tts.start()
self.bind(view)
self.populate()
class ListEditorController(object):
""" This class specifies the behavior for the ListEditor int the teacher
interface. """
def __init__(self, view):
""" Initialisation method. Starts festival, binds this class to the
ListEditor and then populates its list of lists with the pre-specified
lists. """
self.tts = Festival()
self.tts.start()
self.bind(view)
self.populate()
def on_left_list_select(self):
""" Method called when words are selected in the left list containing
.tldr files that can be read from. """
self.view.center_list.model.clear()
for selection in self.view.left_list.listbox.curselection():
for k, v in self.view.left_list.model.get_value_by_index(int(selection)).iteritems():
self.view.center_list.model[k] = v
self.view.center_list.listbox.select_set(0, END)
self.on_center_list_select()
self.refresh_transfer_strip()
def on_center_list_select(self):
""" Method called when words are selected in the center list containing
words in the currently selected .tldr file(s). """
if self.view.center_list.model or self.view.right_list.model:
selection = self.view.center_list.listbox.curselection()
if selection:
self.view.word_properties.display(
[ self.view.center_list.model.get_value_by_index(int(i))
for i in selection ]
)
self.refresh_transfer_strip()
else:
self.view.word_properties.display([])
def on_right_list_select(self):
""" Method called when words are selected in the right list containing
words in the list that the teacher is building. """
if self.view.center_list.model or self.view.right_list.model:
selection = self.view.right_list.listbox.curselection()
if selection:
self.view.word_properties.display(
[ self.view.right_list.model.get_value_by_index(int(i))
for i in selection ]
)
self.refresh_transfer_strip()
else:
self.view.word_properties.display([])
def on_add_button(self):
""" Method called when the add button in the TransferStripWidget is
clicked. """
selection = self.view.center_list.listbox.curselection()
for index in selection:
key = self.view.center_list.model.get_key_by_index(int(index))
word = self.view.center_list.model[key]
self.view.right_list.model[key] = word
self.refresh_transfer_strip()
def on_add_all_button(self):
""" Method called when the add all button in the TransferStripWidget is
clicked. """
for k, v in self.view.center_list.model.iteritems():
self.view.right_list.model[k] = v
self.refresh_transfer_strip()
def on_remove_button(self):
""" Method called when the remove button in the TransferStripWidget is
clicked. """
selection = self.view.right_list.listbox.curselection()
for index in selection:
key = self.view.right_list.model.get_key_by_index(int(index))
del self.view.right_list.model[key]
self.refresh_transfer_strip()
self.on_center_list_select()
def on_remove_all_button(self):
""" Method called when the remove all button in the TransferStripWidget
is clicked. """
self.view.right_list.model.clear()
self.refresh_transfer_strip()
self.on_center_list_select()
def on_speak_button(self):
""" Method called when the play button is pressed. """
self.tts.panic()
self.tts.speak(". ".join(word.word
for word in self.view.word_properties.model))
def on_panic_button(self):
""" Method called when the stop button is pressed. """
self.tts.panic()
def on_return_button(self):
master = self.view.master
self.view.destroy()
t = teacher.TeacherInterface(master)
t.pack()
def on_import_button(self):
""" Method called when the import button in the toolbar is pressed. """
filenames = tkFileDialog.askopenfilenames(filetypes=[("Word List", ".tldr")])
for filename in filenames:
try:
with open(filename, "r") as f:
list_Id = database.add_list(filename)
data = list(parse_tldr(f))
for word in data:
try:
word_Id = database.add_word(word.word,
word.definition,
word.example,
word.difficulty)
except Exception:
pass
else:
database.add_wordlist_mappings(list_Id, word_Id)
except IOError as e:
tkMessageBox.showwarning(
"Import Error",
"Could not open {0}".format(filename)
)
logging.warn(e)
else:
self.view.left_list.model[os.path.relpath(filename)] = data
self.populate()
def on_create_button(self):
""" Method called when the create new word button in the toolbar is
pressed. """
word = new_word_prompt()
if word is not None:
try:
word_Id = database.add_word(word.word,
word.definition,
word.example,
word.difficulty)
except Exception:
pass
else:
database.add_wordlist_mappings(1, word_Id)
self.populate()
self.on_left_list_select()
def on_random_button(self):
""" Method called when the create random list button in the
TransferStripWidget is pressed. """
num = tkSimpleDialog.askinteger("Generate Random List",
"How many items should the list have?")
if not num: return
words = list(self.view.center_list.model.values())
random.shuffle(words)
while num > 0 and words:
word = words.pop()
self.view.right_list.model[word.word] = word
num -= 1
self.refresh_transfer_strip()
def on_export_button(self):
""" Method called when the export button in the toolbar is pressed. """
filename = tkFileDialog.asksaveasfilename(filetypes=[("Word List", ".tldr")])
if not filename: return
try:
with open(filename, "w") as f:
words = sorted(list(self.view.right_list.model.values()),
key=lambda x: x.word.lower())
f.write("# Autogenerated by Spellorama Teacher Interface\n")
f.write("# {0}\n".format(datetime.datetime.now().isoformat()))
f.write("# {0} words\n".format(len(words)))
for line in gen_tldr(words):
f.write(line)
except IOError as e:
tkMessageBox.showwarning(
"Export Error",
"Could not save {0}".format(filename)
)
logging.warn(e)
tkMessageBox.showinfo(
"Export",
"Exported successfully to {0}".format(filename)
)
lid = database.add_list(filename)
for w in words:
wid = database.get_word_id(w.word, w.definition, w.example, w.difficulty).fetchone()[0]
database.add_wordlist_mappings(lid, wid)
self.populate()
def populate(self):
""" Populates the list of lists with the files that are in the
database. """
list_of_files = database.get_filenames()
for list_ID,filename in list_of_files:
words_in_file = database.get_words_from_file(list_ID)
word_dict = {}
for i in words_in_file:
w = Word(i[1], i[2], i[3], i[4])
word_dict[i[1]] = w
self.view.left_list.model[filename] = word_dict
def refresh_transfer_strip(self):
""" Method called by all methods invoked when there are words added
to or removed from the list being built. Includes tests to see if the
buttons in the TransferStripWidget should be active or not. """
if self.view.center_list.model:
self.view.transfer_strip.add_all_button['state'] = NORMAL
self.view.transfer_strip.create_random_button['state'] = NORMAL
else:
self.view.transfer_strip.add_all_button['state'] = DISABLED
self.view.transfer_strip.create_random_button['state'] = DISABLED
if self.view.right_list.model:
self.view.transfer_strip.remove_all_button['state'] = NORMAL
else:
self.view.transfer_strip.remove_all_button['state'] = DISABLED
if self.view.center_list.listbox.curselection():
self.view.transfer_strip.add_button['state'] = NORMAL
else:
self.view.transfer_strip.add_button['state'] = DISABLED
if self.view.right_list.listbox.curselection():
self.view.transfer_strip.remove_button['state'] = NORMAL
else:
self.view.transfer_strip.remove_button['state'] = DISABLED
def bind(self, view):
""" Bind behaviours to views.py. """
self.view = view
view.left_list.listbox.bind("<<ListboxSelect>>",
lambda _: self.on_left_list_select())
view.center_list.listbox.bind("<<ListboxSelect>>",
lambda _: self.on_center_list_select())
view.right_list.listbox.bind("<<ListboxSelect>>",
lambda _: self.on_right_list_select())
view.toolkit.return_button['command'] = self.on_return_button
view.toolkit.import_button['command'] = self.on_import_button
view.toolkit.create_button['command'] = self.on_create_button
view.toolkit.export_button['command'] = self.on_export_button
view.transfer_strip.add_button['command'] = self.on_add_button
view.transfer_strip.add_all_button['command'] = self.on_add_all_button
view.transfer_strip.remove_button['command'] = self.on_remove_button
view.transfer_strip.remove_all_button['command'] = self.on_remove_all_button
view.transfer_strip.create_random_button['command'] = self.on_random_button
view.word_properties.speak_button['command'] = self.on_speak_button
view.word_properties.panic_button['command'] = self.on_panic_button
