+ @property
+ def selectedPlayMode(self) :
+ return self.modeSelect.value
+
+ @selectedPlayMode.setter
+ def selectedPlayMode(self, value) :
+ self.modeSelect.value = value
+ if self.selectedPlayMode != 'IMPRO' and \
+ not self.songFile :
+ self.playButton.disabled = True
+ else :
+ self.playButton.disabled = False
+