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views.py
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views.py
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__author__ = 'isaacjiang'
from kivy.uix.listview import ListView
from kivy.uix.boxlayout import BoxLayout
from kivy.adapters.dictadapter import DictAdapter
from kivy.storage.jsonstore import JsonStore
from functions import PlayAudio, SpeechInput,Grading
import os
class FView(ListView):
datadir = os.getcwd()+'/data'
level = 0
def __init__(self, **kwargs):
self.level = self.level+ 1
subdirs={}
if self.level <= 2:
for subfolder in os.listdir(self.datadir):
if os.path.isdir(os.path.join(self.datadir,subfolder)):
subdirs[os.path.join(self.datadir,subfolder)] = {'text': subfolder,'is_selected': False}
else:
for subfolder in os.listdir(self.datadir):
subdirs[os.path.join(self.datadir,subfolder)] = {'text': subfolder,'is_selected': False}
args_converter = \
lambda row_index, rec: {'text': rec['text'],
'is_selected': rec['is_selected'],
'size_hint_y': 10,
'height': 40}
f_adapter = DictAdapter(data=subdirs,
args_converter=args_converter,
sorted_keys=subdirs.keys(),
template='FListItem')
super(FView, self).__init__(adapter=f_adapter)
f_adapter.bind(on_selection_change=self.callback)
def callback(self, adapter):
if len(adapter.selection) == 0:
print "No selected item"
else:
cw_name = adapter.selection[0].text
self.datadir = self.datadir +'/'+ cw_name
self.clear_widgets()
if self.level <= 2:
self.__init__()
else:
self.add_widget(WView(self.datadir))
class WView(BoxLayout):
def __init__(self, dir):
self.selected_filename = dir
super(WView, self).__init__()
self.read_data_descript()
def play_audio(self, Flag):
if Flag == 1:
self.player = PlayAudio(kwargs={'filename': self.selected_filename,'root': self})
self.player.start()
elif Flag == 0:
print Flag
self.player.stop()
else:
print Flag
self.player.playback(Flag)
def gsra_start(self):
gsra = SpeechInput(args=self)
gsra.start()
def read_data_descript(self):
filename = self.selected_filename
descript = JsonStore('data_descript.json')
desc = descript.get(filename)['desc']
self.ids['cw_desc'].text = desc
def grade(self):
grading = Grading()
marks = grading.get_grade(self.selected_filename, self)
self.ids['marks'].text = 'Congratuactions! Your mark is %d '%marks
print marks