def __init__(self,r):
self.eeg = Eeg()
self.player = EegPlayer(self.eeg.nextBlock, self.cbPlayerIterate)
self.input_file = StringVar('')
self.n_channels = IntVar()
self.n_points = IntVar()
self.frequency = StringVar('')
self.e_frequency = StringVar('')
self.type = StringVar('')
self.n_blocks = StringVar('')
self.repeat = StringVar('')
self.clearParams()
self.e_freq_options = ('5000 Hz','2500 Hz','1000 Hz','500 Hz','100 Hz')
self.r = r
entry_opts = {'width':40}
grid_opts = {'padx':5}
Label(self.r,text=_("Input file:")).grid(row=0,sticky=W,**grid_opts)
Entry(self.r,textvariable=self.input_file,**entry_opts).grid(\
row=1,columnspan=2,**grid_opts)
Button(self.r,text=_("Find"),command=self.cbFindClicked).grid(row=1,
column=2,**grid_opts)
grid_opts['sticky']=W
Label(self.r,text=_("Count of channels:")).grid(row=2,**grid_opts)
Label(self.r,textvariable=self.n_channels).grid(row=2,column=1,**grid_opts)
Label(self.r,text=_("Frequency:")).grid(row=3,**grid_opts)
Label(self.r,textvariable=self.frequency).grid(row=3,column=1,**grid_opts)
Label(self.r,text=_("Effective frequency:")).grid(row=4,**grid_opts)
OptionMenu(self.r,self.e_frequency, command = self.cbEffFrequencySet, \
*self.e_freq_options ).grid(row=4,column=1,**grid_opts)
Label(self.r,text=_("Count of points:")).grid(row=5,**grid_opts)
Label(self.r,textvariable=self.n_points).grid(row=5,column=1,**grid_opts)
Label(self.r,text=_("Data type:")).grid(row=6,**grid_opts)
Label(self.r,textvariable=self.type).grid(row=6,column=1,**grid_opts)
Label(self.r,text=_("Count of blocks:")).grid(row=7,**grid_opts)
Label(self.r,textvariable=self.n_blocks).grid(row=7,column=1,**grid_opts)
Checkbutton(self.r,variable=self.repeat, text=_("Repeat:")).grid(row=8,**grid_opts)
grid_opts['sticky'] = EW
grid_opts['pady']=5
self.go = Button(self.r,text=_("GO"),width=40,command=self.cbGoClicked)
self.go.grid(row=9,columnspan=3,**grid_opts)
self.scale = Scale(self.r,from_=0,to=0,orient=HORIZONTAL, \
command=self.cbScaleChanged)
self.scale.grid(row=10,columnspan=3,**grid_opts)
class PlayerGui:
def __init__(self,r):
self.eeg = Eeg()
self.player = EegPlayer(self.eeg.nextBlock, self.cbPlayerIterate)
self.input_file = StringVar('')
self.n_channels = IntVar()
self.n_points = IntVar()
self.frequency = StringVar('')
self.e_frequency = StringVar('')
self.type = StringVar('')
self.n_blocks = StringVar('')
self.repeat = StringVar('')
self.clearParams()
self.e_freq_options = ('5000 Hz','2500 Hz','1000 Hz','500 Hz','100 Hz')
self.r = r
entry_opts = {'width':40}
grid_opts = {'padx':5}
Label(self.r,text=_("Input file:")).grid(row=0,sticky=W,**grid_opts)
Entry(self.r,textvariable=self.input_file,**entry_opts).grid(\
row=1,columnspan=2,**grid_opts)
Button(self.r,text=_("Find"),command=self.cbFindClicked).grid(row=1,
column=2,**grid_opts)
grid_opts['sticky']=W
Label(self.r,text=_("Count of channels:")).grid(row=2,**grid_opts)
Label(self.r,textvariable=self.n_channels).grid(row=2,column=1,**grid_opts)
Label(self.r,text=_("Frequency:")).grid(row=3,**grid_opts)
Label(self.r,textvariable=self.frequency).grid(row=3,column=1,**grid_opts)
Label(self.r,text=_("Effective frequency:")).grid(row=4,**grid_opts)
OptionMenu(self.r,self.e_frequency, command = self.cbEffFrequencySet, \
*self.e_freq_options ).grid(row=4,column=1,**grid_opts)
Label(self.r,text=_("Count of points:")).grid(row=5,**grid_opts)
Label(self.r,textvariable=self.n_points).grid(row=5,column=1,**grid_opts)
Label(self.r,text=_("Data type:")).grid(row=6,**grid_opts)
Label(self.r,textvariable=self.type).grid(row=6,column=1,**grid_opts)
Label(self.r,text=_("Count of blocks:")).grid(row=7,**grid_opts)
Label(self.r,textvariable=self.n_blocks).grid(row=7,column=1,**grid_opts)
Checkbutton(self.r,variable=self.repeat, text=_("Repeat:")).grid(row=8,**grid_opts)
grid_opts['sticky'] = EW
grid_opts['pady']=5
self.go = Button(self.r,text=_("GO"),width=40,command=self.cbGoClicked)
self.go.grid(row=9,columnspan=3,**grid_opts)
self.scale = Scale(self.r,from_=0,to=0,orient=HORIZONTAL, \
command=self.cbScaleChanged)
self.scale.grid(row=10,columnspan=3,**grid_opts)
def cbGoClicked(self):
if self.eeg.is_loaded == False:
return
if (self.player.is_playing == True):
self.go.configure(text=_("GO"))
self.player.pause()
else:
self.go.configure(text=_("Pause"))
self.player.play()
def updateParams(self):
self.n_channels.set(self.eeg.n_channels)
self.n_points.set(self.eeg.n_points)
self.n_blocks.set(self.eeg.n_blocks)
self.frequency.set(str(self.eeg.frequency) + _(' Hz'))
types = {float:_('float'),int:_('int')}
self.type.set(types[self.eeg.type])
self.scale.config(to = self.eeg.n_blocks)
header = 'n-channels: '+str(self.eeg.n_channels)\
+', n-points: '+str(self.eeg.n_points)\
+', frequency: '+str(self.eeg.frequency)\
+', type: '+str(types[self.eeg.type])
self.player.thread.socket.getTransportHeader().setEEGHeader(header)
self.r.update()
def clearParams(self):
self.n_channels.set('')
self.n_points.set('')
self.frequency.set('')
self.type.set('')
self.n_blocks.set('')
self.e_frequency.set('')
self.repeat.set('1')
def cbFindClicked(self):
opts = {}
opts['filetypes'] = [('EEG files','.eeg'),('all files','.*')]
s = tkFileDialog.askopenfilename(**opts)
if s == '': return
try:
self.eeg.load(s)
except Exception, details:
tkMessageBox.showerror(_("Error"),details)
return
self.e_frequency.set(self.e_freq_options[0])
self.cbEffFrequencySet(self.e_frequency.get())
self.input_file.set(s)
self.updateParams()
