""" Set parameter number and settings """
try:
  total = len(self.song().view.selected_track.view.selected_device.parameters)

  x = 1

  if x >= total:
    x = 0

  encoder = self.midi_cc_ch_0_val_21.cur_val
  max = self.song().view.selected_track.view.selected_device.parameters[x].max
  min = self.song().view.selected_track.view.selected_device.parameters[x].min
  enabled = self.song().view.selected_track.view.selected_device.parameters[x].is_enabled
  quantized = self.song().view.selected_track.view.selected_device.parameters[x].is_quantized
except AttributeError:
  return


""" Functions for regular parameters """
def setParam( num ):
  param = self.song().view.selected_track.view.selected_device.parameters[x].value + num
  if param >= max:
    self.song().view.selected_track.view.selected_device.parameters[x].value = max
  elif param <= min:
    self.song().view.selected_track.view.selected_device.parameters[x].value = min
  else:
    self.song().view.selected_track.view.selected_device.parameters[x].value = param
  return

def checkParam( value ):
  if value == 1:
    setParam( 0.010 )
  elif value == 2:
    setParam( 0.020 )
  elif value == 3:
    setParam( 0.030 )
  elif value == 4:
    setParam( 0.040 )
  elif value == 5:
    setParam( 0.050 )
  elif value == 6:
    setParam( 0.060 )
  elif value == 7:
    setParam( 0.080 )
  elif value == 8:
    setParam( 0.10 )
  elif value == 65:
    setParam( -0.010 )
  elif value == 66:
    setParam( -0.020 )
  elif value == 67:
    setParam( -0.030 )
  elif value == 68:
    setParam( -0.040)
  elif value == 69:
    setParam( -0.050 )
  elif value == 70:
    setParam( -0.060 )
  elif value == 71:
    setParam( -0.080 )
  elif value == 72:
    setParam( -0.10 )
  return

""" Functions for quantized parameters """
def setItem( num ):
  items = self.song().view.selected_track.view.selected_device.parameters[x].value_items
  total = len(items)

  a = self.song().view.selected_track.view.selected_device.parameters[x].value + num
  if a >= total:
    self.song().view.selected_track.view.selected_device.parameters[x].value = total - 1
  elif a <= 0:
    self.song().view.selected_track.view.selected_device.parameters[x].value = 0
  else:
    self.song().view.selected_track.view.selected_device.parameters[x].value = int(a)
  return

def checkItem( value ):
  if value >= 1 and value <= 8:
    setItem(1)
  elif value >= 65 and value <= 72:
    setItem(-1)
  return

""" Functions for parameters that go from 0 to 127 (Macros)"""
def setMacro( num ):
  param = self.song().view.selected_track.view.selected_device.parameters[x].value + num
  if param >= 127:
    self.song().view.selected_track.view.selected_device.parameters[x].value = 127
  elif param <= 0:
    self.song().view.selected_track.view.selected_device.parameters[x].value = 0
  else:
    self.song().view.selected_track.view.selected_device.parameters[x].value = param
  return

def checkMacro( value ):
  if value == 1:
    setMacro( 1 )
  elif value == 2:
    setMacro( 2 )
  elif value == 3:
    setMacro( 3 )
  elif value == 4:
    setMacro( 4 )
  elif value == 5:
    setMacro( 5 )
  elif value == 6:
    setMacro( 6 )
  elif value == 7:
    setMacro( 8 )
  elif value == 8:
    setMacro( 10 )
  elif value == 65:
    setMacro( -1 )
  elif value == 66:
    setMacro( -2 )
  elif value == 67:
    setMacro( -3 )
  elif value == 68:
    setMacro( -4)
  elif value == 69:
    setMacro( -5 )
  elif value == 70:
    setMacro( -6 )
  elif value == 71:
    setMacro( -8 )
  elif value == 72:
    setMacro( -10 )
  return

""" Action For Relative Encoder """
if enabled == True and x != 0:
  if quantized == True:
    checkItem( encoder )
  else:
    if max == 127:
      checkMacro( encoder )
    else:
      checkParam( encoder )