def _setup_modes(self):
     self._fader_button_modes = FaderButtonModeSelector(self._mixer_for_faders, tuple(self._fader_buttons))
     self._fader_button_modes.name = "Fader_Button_Modes"
     self._fader_button_modes.set_mode_toggle(self._fader_group_mode_button)
     self._fader_modes = FaderModeSelector(
         self._mixer_for_faders,
         self._device_for_faders,
         tuple(self._faders),
         self._fader_button_modes,
         self._master_fader_button,
     )
     self._fader_modes.name = "Fader_Modes"
     self._fader_modes.set_mode_buttons((self._fader_group_mix_button, self._fader_group_fx_button))
     self._encoder_modes = EncoderModeSelector(
         self._mixer_for_encoders, self._device_for_encoders, tuple(self._encoders)
     )
     self._encoder_modes.name = "Encoder_Modes"
     self._encoder_modes.set_mode_buttons((self._encoder_group_mix_button, self._encoder_group_fx_button))
     main_modes = MainModeSelector(
         self._device_for_encoders,
         self._device_for_faders,
         self._session,
         self._mixer_for_faders,
         self._device_nav,
         self._up_button,
         self._down_button,
         self._left_button,
         self._right_button,
         self._select_button,
     )
     main_modes.name = "Main_Modes"
     main_modes.set_mode_buttons((self._main_group_track_button, self._main_group_fx_button))
 def __init__(self, c_instance):
     ControlSurface.__init__(self, c_instance)
     with self.component_guard():
         self.set_pad_translations(PAD_TRANSLATIONS)
         self._device_selection_follows_track_selection = True
         self._suggested_input_port = 'Impulse'
         self._suggested_output_port = 'Impulse'
         self._has_sliders = True
         self._current_midi_map = None
         self._display_reset_delay = -1
         self._shift_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 39)
         self._preview_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 41)
         self._master_slider = SliderElement(MIDI_CC_TYPE, 0, 8)
         self._shift_button.name = 'Shift_Button'
         self._master_slider.name = 'Master_Volume_Control'
         self._master_slider.add_value_listener(self._slider_value, identify_sender=True)
         self._preview_button.add_value_listener(self._preview_value)
         self._setup_mixer()
         self._setup_session()
         self._setup_transport()
         self._setup_device()
         self._setup_name_display()
         device_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 1, 10)
         mixer_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 1, 9)
         device_button.name = 'Encoder_Device_Mode'
         mixer_button.name = 'Encoder_Mixer_Mode'
         self._encoder_modes = EncoderModeSelector(self._device_component, self._mixer, self._next_bank_button, self._prev_bank_button, self._encoders)
         self._encoder_modes.set_device_mixer_buttons(device_button, mixer_button)
         self._string_to_display = None
         for component in self.components:
             component.set_enabled(False)
示例#3
0
    def __init__(self, c_instance):
        ControlSurface.__init__(self, c_instance)
        self.c_instance = c_instance
        with self.component_guard():
            self.set_pad_translations(PAD_TRANSLATIONS)
            self._device_selection_follows_track_selection = True
            self._suggested_input_port = 'Impulse'
            self._suggested_output_port = 'Impulse'
            self._has_sliders = True
            self._current_midi_map = None
            self._display_reset_delay = -1
            self._shift_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0,
                                               39)
            self._preview_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0,
                                                 41)
            self._master_slider = SliderElement(MIDI_CC_TYPE, 0, 8)
            self._shift_button.name = 'Shift_Button'
            self._master_slider.name = 'Master_Volume_Control'
            self._master_slider.add_value_listener(self._slider_value,
                                                   identify_sender=True)
            self._preview_button.add_value_listener(self._preview_value)
            self._setup_mixer()
            self._setup_session()
            self._setup_transport()
            self._setup_device()
            self._setup_name_display()
            device_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 1,
                                          10)
            mixer_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 1, 9)
            device_button.name = 'Encoder_Device_Mode'
            mixer_button.name = 'Encoder_Mixer_Mode'
            self._encoder_modes = EncoderModeSelector(self._device_component,
                                                      self._mixer,
                                                      self._next_bank_button,
                                                      self._prev_bank_button,
                                                      self._encoders)
            self._encoder_modes.set_device_mixer_buttons(
                device_button, mixer_button)
            self._string_to_display = None
            self._shift_pressed = False
            self._shift_button.add_value_listener(self._shift_value)

            for component in self.components:
                component.set_enabled(False)
class Axiom_AIR_25_49_61(ControlSurface):
    """ Script for the M-Audio Axiom A.I.R. 25, 49 and 61 """
    def __init__(self, c_instance):
        ControlSurface.__init__(self, c_instance)
        self._alt_device_component = None
        with self.component_guard():
            self.set_pad_translations(PAD_TRANSLATIONS)
            self._device_selection_follows_track_selection = True
            self._suggested_input_port = 'HyperControl'
            self._suggested_output_port = 'HyperControl'
            self._single_fader_button_modes = None
            self._has_faders = True
            self._display_reset_delay = -1
            self._hc_byte = HC_BYTE
            self._waiting_for_first_response = True
            self._setup_controls()
            self._setup_displays()
            self._setup_mixer()
            self._setup_session()
            self._setup_transport()
            self._setup_device()
            self._setup_modes()
            self._drum_group_midi_button = None
            self._drum_group_hyper_button = None
            for component in self.components:
                component.set_enabled(False)

        return

    def disconnect(self):
        self._scheduled_messages = []
        for encoder in self._encoders:
            encoder.remove_value_listener(self._encoder_value)

        for fader in self._faders:
            fader.remove_value_listener(self._fader_value)

        for fader_button in self._fader_buttons:
            fader_button.remove_value_listener(self._fader_button_value)

        self._master_fader.remove_value_listener(self._fader_value)
        self._master_fader_button.remove_value_listener(
            self._fader_button_value)
        self._select_button.remove_value_listener(self._select_button_value)
        self._identify_button.remove_value_listener(self._identify_value)
        self._fader_group_midi_button.remove_value_listener(
            self._midi_button_value)
        self._fader_group_mix_button.remove_value_listener(
            self._hyper_button_value)
        self._fader_group_fx_button.remove_value_listener(
            self._hyper_button_value)
        self._encoder_group_midi_button.remove_value_listener(
            self._midi_button_value)
        self._encoder_group_mix_button.remove_value_listener(
            self._hyper_button_value)
        self._encoder_group_fx_button.remove_value_listener(
            self._hyper_button_value)
        if self._drum_group_midi_button != None:
            self._drum_group_midi_button.remove_value_listener(
                self._midi_button_value)
        if self._drum_group_hyper_button != None:
            self._drum_group_hyper_button.remove_value_listener(
                self._hyper_button_value)
        self._alt_device_component = None
        self._name_display = None
        self._value_display = None
        self._bank_display = None
        self._pad_display = None
        self._name_display_data_source = None
        self._value_display_data_source = None
        self._bank_display_data_source = None
        self._pad_display_data_source = None
        self._select_button = None
        self._left_button = None
        self._right_button = None
        self._up_button = None
        self._down_button = None
        self._loop_button = None
        self._ffwd_button = None
        self._rwd_button = None
        self._play_button = None
        self._stop_button = None
        self._rec_button = None
        self._master_fader_button = None
        self._fader_buttons = None
        self._faders = None
        self._encoders = None
        self._drum_pads = None
        self._identify_button = None
        self._main_group_hyper_button = None
        self._main_group_track_button = None
        self._main_group_fx_button = None
        self._encoder_group_midi_button = None
        self._encoder_group_mix_button = None
        self._encoder_group_fx_button = None
        self._fader_group_mode_button = None
        self._fader_group_midi_button = None
        self._fader_group_mix_button = None
        self._fader_group_fx_button = None
        self._drum_group_midi_button = None
        self._drum_group_roll_button = None
        self._drum_group_hyper_button = None
        self._mixer_for_encoders = None
        self._mixer_for_faders = None
        self._device_for_encoders = None
        self._device_for_faders = None
        self._transport = None
        self._session = None
        ControlSurface.disconnect(self)
        self._send_midi(SYSEX_START + DISABLE_HYPERCONTROL)
        return

    def refresh_state(self):
        ControlSurface.refresh_state(self)
        self.schedule_message(5, self._send_midi, IDENTITY_REQUEST)

    def handle_sysex(self, midi_bytes):
        if midi_bytes[0:10] == AXIOM_AIR_RESPONSE:
            if midi_bytes[12:15] < AXIOM_REV4_RESPONSE:
                self.schedule_message(1, self._send_midi,
                                      SYSEX_START + ENGAGE_HYPERCONTROL)
                self.schedule_message(2, self._send_midi,
                                      SYSEX_START + CLEAR_ALL)
                self.schedule_message(3, self._name_display.display_message,
                                      'Firmware')
                self.schedule_message(13, self._name_display.display_message,
                                      'Update')
                self.schedule_message(23, self._name_display.display_message,
                                      'Required')
                self.schedule_message(33, self._send_midi,
                                      SYSEX_START + DISABLE_HYPERCONTROL)
            elif midi_bytes[12:15] >= AXIOM_REV4_RESPONSE:
                if self._waiting_for_first_response == True:
                    self._waiting_for_first_response = False
                    self._has_faders = midi_bytes[10] != 50
                    self.schedule_message(1, self._send_midi,
                                          SYSEX_START + ENGAGE_HYPERCONTROL)
                    self.schedule_message(2, self._send_midi,
                                          SYSEX_START + SPECIAL_HYPERCONTROL)
                    self.schedule_message(3, self._complete_setup)
                else:
                    self._display_reset_delay = 0
        elif midi_bytes[0:8] == REQUEST_HYPERCONTROL:
            self.schedule_message(5, self._send_midi, IDENTITY_REQUEST)

    def update_display(self):
        ControlSurface.update_display(self)
        if self._display_reset_delay >= 0:
            self._display_reset_delay -= 1
            if self._display_reset_delay == -1:
                self._set_displays_to_default()

    def _on_selected_track_changed(self):
        ControlSurface._on_selected_track_changed(self)
        self._display_reset_delay = 0

    def restore_bank(self, bank_index):
        ControlSurface.restore_bank(self, bank_index)
        if self._alt_device_component != None:
            self._alt_device_component.restore_bank(bank_index)
        return

    def set_appointed_device(self, device):
        ControlSurface.set_appointed_device(self, device)
        with self.component_guard():
            if self._alt_device_component != None:
                self._alt_device_component.set_device(device)
        return

    def set_alt_device_component(self, device_component):
        self._alt_device_component = device_component

    def _update_device_selection(self):
        track = self.song().view.selected_track
        device_to_select = track.view.selected_device
        if device_to_select == None and len(track.devices) > 0:
            device_to_select = track.devices[0]
        if device_to_select != None:
            self.song().view.select_device(device_to_select)
        self._device_component.set_device(device_to_select)
        if self._alt_device_component != None:
            self._alt_device_component.set_device(device_to_select)
        return

    def _setup_controls(self):
        self._left_button = create_button(99, 'Left_Button')
        self._right_button = create_button(100, 'Right_Button')
        self._up_button = create_button(101, 'Up_Button')
        self._down_button = create_button(102, 'Down_Button')
        self._loop_button = create_button(113, 'Loop_Button')
        self._rwd_button = create_button(114, 'Rwd_Button')
        self._ffwd_button = create_button(115, 'FFwd_Button')
        self._stop_button = create_button(116, 'Stop_Button')
        self._play_button = create_button(117, 'Play_Button')
        self._rec_button = create_button(118, 'Record_Button')
        self._select_button = ConfigurableButtonElement(
            IS_MOMENTARY, MIDI_CC_TYPE, GLOBAL_CHANNEL, 98)
        self._select_button.name = 'Select_Button'
        self._select_button.add_value_listener(self._select_button_value)
        self._main_group_hyper_button = create_configurable_button(
            104, 'Fader_Group_HyperControl_Button', 2, 14)
        self._main_group_track_button = create_configurable_button(
            105, 'Main_Group_Track_Button', 2, 11)
        self._main_group_fx_button = create_configurable_button(
            106, 'Main_Group_Inst_FX_Button', 2, 11)
        self._identify_button = create_configurable_button(
            97, 'Identify_Button', 2, 16)
        self._identify_button.add_value_listener(self._identify_value)
        self._fader_buttons = []
        for index in range(8):
            self._fader_buttons.append(
                create_configurable_button(49 + index,
                                           'Fader_Button_%d' % index))
            self._fader_buttons[-1].add_value_listener(
                self._fader_button_value, identify_sender=True)

        self._faders = []
        for index in range(8):
            self._faders.append(create_slider(33 + index, 'Fader_%d' % index))
            self._faders[-1].add_value_listener(self._fader_value,
                                                identify_sender=True)

        self._master_fader_button = create_configurable_button(
            57, 'Master_Fader_Button')
        self._master_fader_button.add_value_listener(self._fader_button_value,
                                                     identify_sender=True)
        self._master_fader = create_slider(41, 'Master_Fader')
        self._master_fader.add_value_listener(self._fader_value,
                                              identify_sender=True)
        self._fader_group_mode_button = create_configurable_button(
            61, 'Fader_Group_Mode_Button')
        self._fader_group_midi_button = create_configurable_button(
            60, 'Fader_Group_MIDI_Button')
        self._fader_group_midi_button.add_value_listener(
            self._midi_button_value, identify_sender=True)
        self._fader_group_mix_button = create_configurable_button(
            58, 'Fader_Group_Mix_Button', 0, 1)
        self._fader_group_mix_button.add_value_listener(
            self._hyper_button_value, identify_sender=True)
        self._fader_group_fx_button = create_configurable_button(
            59, 'Fader_Group_Inst_FX_Button', 0, -1)
        self._fader_group_fx_button.add_value_listener(
            self._hyper_button_value, identify_sender=True)
        self._encoders = []
        for index in range(8):
            self._encoders.append(
                create_encoder(17 + index, 'Encoder_%d' % index))
            self._encoders[-1].add_value_listener(self._encoder_value,
                                                  identify_sender=True)

        self._encoder_group_midi_button = create_configurable_button(
            27, 'Encoder_Group_MIDI_Button', 0, 72)
        self._encoder_group_midi_button.add_value_listener(
            self._midi_button_value, identify_sender=True)
        self._encoder_group_mix_button = create_configurable_button(
            25, 'Encoder_Group_Mix_Button', 0, 72)
        self._encoder_group_mix_button.add_value_listener(
            self._hyper_button_value, identify_sender=True)
        self._encoder_group_fx_button = create_configurable_button(
            26, 'Encoder_Group_Inst_FX_Button', 0, 72)
        self._encoder_group_fx_button.add_value_listener(
            self._hyper_button_value, identify_sender=True)

    def _setup_drum_pads(self):
        self._drum_pads = []
        num_pads = 12 if self._has_faders else 16
        for index in range(8):
            self._drum_pads.append(
                create_configurable_button(81 + index, 'Pad_%d' % index, 0, 0,
                                           MIDI_CC_TYPE))

        for index in range(num_pads - 8):
            self._drum_pads.append(
                ConfigurableButtonElement(IS_MOMENTARY, MIDI_NOTE_TYPE,
                                          GLOBAL_CHANNEL - 1, 81 + index,
                                          GLOBAL_SEND_CHANNEL, 8,
                                          MIDI_CC_TYPE))
            self._drum_pads[-1].name = 'Pad_' + str(index + 8)

        self._drum_group_midi_button = create_configurable_button(
            91, 'Drum_Group_MIDI_Button', 2, -2)
        self._drum_group_midi_button.add_value_listener(
            self._midi_button_value, identify_sender=True)
        self._drum_group_roll_button = create_configurable_button(
            90, 'Drum_Group_Roll_Button', -1)
        self._drum_group_hyper_button = create_configurable_button(
            89, 'Drum_Group_HyperControl_Button', 2, 2)
        self._drum_group_hyper_button.add_value_listener(
            self._hyper_button_value, identify_sender=True)

    def _setup_displays(self):
        self._name_display = PhysicalDisplayElement(12, 1)
        self._name_display.name = 'Name_Display'
        self._name_display.set_message_parts(SYSEX_START + (21, ), (0, 247))
        self._name_display.set_clear_all_message(CLEAR_NAME)
        self._name_display_data_source = DisplayDataSource()
        self._name_display.segment(0).set_data_source(
            self._name_display_data_source)
        self._value_display = NumericalDisplayElement(3, 1)
        self._value_display.name = 'Value_Display'
        self._value_display.set_message_parts(SYSEX_START + (20, 48), (0, 247))
        self._value_display.set_clear_all_message(CLEAR_VALUE)
        self._value_display_data_source = DisplayDataSource()
        self._value_display.segment(0).set_data_source(
            self._value_display_data_source)
        self._bank_display = NumericalDisplayElement(3, 1)
        self._bank_display.name = 'Bank_Display'
        self._bank_display.set_message_parts(SYSEX_START + (19, ), (0, 247))
        self._bank_display.set_clear_all_message(CLEAR_BANK)
        self._bank_display_data_source = DisplayDataSource()
        self._bank_display.segment(0).set_data_source(
            self._bank_display_data_source)
        self._pad_display = NumericalDisplayElement(2, 1)
        self._pad_display.name = 'Pad_Display'
        self._pad_display.set_message_parts(SYSEX_START + (18, ), (0, 247))
        self._pad_display.set_clear_all_message(CLEAR_PAD)
        self._pad_display_data_source = DisplayDataSource()
        self._pad_display.segment(0).set_data_source(
            self._pad_display_data_source)

    def _setup_mixer(self):
        self._mixer_for_encoders = SpecialMixerComponent(
            self._name_display, self._value_display, 8)
        self._mixer_for_encoders.name = 'Mixer_for_encoders'
        self._mixer_for_faders = SpecialMixerComponent(self._name_display,
                                                       self._value_display, 8)
        self._mixer_for_faders.name = 'Mixer_for_faders'

    def _setup_session(self):
        self._session = SpecialSessionComponent(8, 0)
        self._session.name = 'Session_Control'
        self._session.selected_scene().name = 'Selected_Scene'
        self._session.set_mixer(self._mixer_for_encoders)
        self._session.set_alt_mixer(self._mixer_for_faders)
        self._session.add_offset_listener(self._update_bank_value)

    def _setup_transport(self):
        self._transport = TransportComponent()
        self._transport.name = 'Transport'
        self._transport.set_stop_button(self._stop_button)
        self._transport.set_play_button(self._play_button)
        self._transport.set_record_button(self._rec_button)
        transport_view_modes = TransportViewModeSelector(
            self._transport, self._session, self._ffwd_button,
            self._rwd_button, self._loop_button)
        transport_view_modes.name = 'Transport_View_Modes'

    def _setup_device(self):
        self._device_for_encoders = BestBankDeviceComponent()
        self._device_for_encoders.name = 'Device_Component_for_encoders'
        self._device_for_faders = BestBankDeviceComponent()
        self._device_for_faders.name = 'Device_Component_for_faders'
        self.set_device_component(self._device_for_encoders)
        self.set_alt_device_component(self._device_for_faders)
        self._device_nav = DeviceNavComponent()
        self._device_nav.name = 'Device_Nav_Component'

    def _setup_modes(self):
        self._fader_button_modes = FaderButtonModeSelector(
            self._mixer_for_faders, tuple(self._fader_buttons))
        self._fader_button_modes.name = 'Fader_Button_Modes'
        self._fader_button_modes.set_mode_toggle(self._fader_group_mode_button)
        self._fader_modes = FaderModeSelector(self._mixer_for_faders,
                                              self._device_for_faders,
                                              tuple(self._faders),
                                              self._fader_button_modes,
                                              self._master_fader_button)
        self._fader_modes.name = 'Fader_Modes'
        self._fader_modes.set_mode_buttons(
            (self._fader_group_mix_button, self._fader_group_fx_button))
        self._encoder_modes = EncoderModeSelector(self._mixer_for_encoders,
                                                  self._device_for_encoders,
                                                  tuple(self._encoders))
        self._encoder_modes.name = 'Encoder_Modes'
        self._encoder_modes.set_mode_buttons(
            (self._encoder_group_mix_button, self._encoder_group_fx_button))
        main_modes = MainModeSelector(self._device_for_encoders,
                                      self._device_for_faders, self._session,
                                      self._mixer_for_faders, self._device_nav,
                                      self._up_button, self._down_button,
                                      self._left_button, self._right_button,
                                      self._select_button)
        main_modes.name = 'Main_Modes'
        main_modes.set_mode_buttons(
            (self._main_group_track_button, self._main_group_fx_button))

    def _setup_master_fader(self):
        if self._has_faders:
            self._mixer_for_encoders.master_strip().set_volume_control(
                self._master_fader)
        else:
            self._mixer_for_encoders.selected_strip().set_volume_control(
                self._master_fader)

    def _setup_single_fader_button_modes(self):
        self._single_fader_button_modes = SingleFaderButtonModeSelector(
            self._mixer_for_encoders, self._fader_group_midi_button)
        self._single_fader_button_modes.name = 'Single_Fader_Button_Modes'
        self._single_fader_button_modes.set_mode_toggle(
            self._fader_group_mode_button)

    def _complete_setup(self):
        self._setup_drum_pads()
        self._set_drum_pads_to_hc()
        self._setup_master_fader()
        if not self._has_faders:
            self._setup_single_fader_button_modes()
        for control in self.controls:
            if isinstance(control, InputControlElement):
                control.clear_send_cache()

        for component in self.components:
            component.set_enabled(True)

        self._fader_group_midi_button.send_value(LED_OFF, True)
        self._encoder_group_midi_button.send_value(LED_OFF, True)
        self._main_group_hyper_button.send_value(AMB_FULL, True)
        self.request_rebuild_midi_map()
        self._on_selected_track_changed()
        self.schedule_message(1, self._show_startup_message)

    def _show_startup_message(self):
        self._send_midi(SYSEX_START + CLEAR_ALL)
        self._name_display.display_message('Ableton Live')
        self._display_reset_delay = INITIAL_DISPLAY_DELAY

    def _select_button_value(self, value):
        self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _identify_value(self, value):
        for encoder in self._encoders:
            encoder.set_identify_mode(value > 0)

        for fader in self._faders:
            fader.set_identify_mode(value > 0)

        self._master_fader.set_identify_mode(value > 0)
        self._display_reset_delay = 0
        self._identify_button.turn_on(
        ) if value > 0 else self._identify_button.turn_off()

    def _midi_button_value(self, value, sender):
        if value > 0:
            if sender is self._drum_group_midi_button:
                hc_byte = self._hc_byte ^ PADS
                if hc_byte != self._hc_byte:
                    self._hc_byte = hc_byte
                    self._drum_group_hyper_button.send_value(LED_OFF, True)
                    self.schedule_message(
                        1, self._send_midi,
                        SYSEX_START + (32, self._hc_byte, 247))
            elif sender is self._encoder_group_midi_button:
                hc_byte = self._hc_byte ^ ENCODERS
                if hc_byte != self._hc_byte:
                    self._hc_byte = hc_byte
                    self._encoder_group_mix_button.send_value(LED_OFF, True)
                    self._encoder_group_fx_button.send_value(LED_OFF, True)
                    if self._encoder_modes.mode_index < 3:
                        self._encoder_modes.set_enabled(False)
                    self.schedule_message(
                        1, self._send_midi,
                        SYSEX_START + (32, self._hc_byte, 247))
            elif sender is self._fader_group_midi_button:
                if self._has_faders:
                    hc_byte = self._hc_byte ^ FADERS
                    if hc_byte != self._hc_byte:
                        self._hc_byte = hc_byte
                        self._fader_group_mix_button.send_value(LED_OFF, True)
                        self._fader_group_fx_button.send_value(LED_OFF, True)
                        self._fader_group_mode_button.send_value(LED_OFF, True)
                        if self._fader_modes.mode_index < 2:
                            self._fader_modes.set_enabled(False)
                            self._fader_button_modes.set_enabled(False)
                        self.schedule_message(
                            1, self._send_midi,
                            SYSEX_START + (32, self._hc_byte, 247))
                else:
                    self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _hyper_button_value(self, value, sender):
        if value > 0:
            if sender is self._drum_group_hyper_button:
                if self._hc_byte | PADS != self._hc_byte:
                    self._hc_byte = self._hc_byte | PADS
                    self._send_midi(SYSEX_START + (32, self._hc_byte, 247))
                    self.schedule_message(1, self._set_drum_pads_to_hc)
            elif sender is self._encoder_group_fx_button or sender is self._encoder_group_mix_button:
                if self._hc_byte | ENCODERS != self._hc_byte:
                    self._hc_byte = self._hc_byte | ENCODERS
                    self._send_midi(SYSEX_START + (32, self._hc_byte, 247))
                    self._encoder_group_midi_button.turn_off()
                    if sender is self._encoder_group_fx_button:
                        self._encoder_modes.set_enabled(True)
                        self._display_reset_delay = 0
                        return
                    else:
                        self.schedule_message(1,
                                              self._encoder_modes.set_enabled,
                                              True)
                        self.schedule_message(1, self._encoder_modes.update)
                        self._display_reset_delay = 2
                        return
            elif sender is self._fader_group_fx_button or sender is self._fader_group_mix_button:
                if self._hc_byte | FADERS != self._hc_byte:
                    self._hc_byte = self._hc_byte | FADERS
                    self._send_midi(SYSEX_START + (32, self._hc_byte, 247))
                    self._fader_group_midi_button.turn_off()
                    self._fader_button_modes.set_enabled(True)
                    if sender is self._fader_group_fx_button:
                        self._fader_modes.set_enabled(True)
                        self._fader_button_modes.set_enabled(True)
                        self._display_reset_delay = 0
                        return
                    else:
                        self.schedule_message(1, self._fader_modes.set_enabled,
                                              True)
                        self.schedule_message(1, self._fader_modes.update)
                        self.schedule_message(
                            1, self._fader_button_modes.set_enabled, True)
                        self.schedule_message(1,
                                              self._fader_button_modes.update)
                        self._display_reset_delay = 2
                        return
            self._display_reset_delay = 0

    def _set_drum_pads_to_hc(self):
        self._drum_group_midi_button.send_value(LED_OFF, True)
        self._drum_group_hyper_button.send_value(RED_FULL, True)
        for index in range(len(self._drum_pads)):
            self._drum_pads[index].send_value(RED_LOW, True)

    def _fader_button_value(self, value, sender):
        self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _fader_value(self, value, sender):
        param = sender.mapped_parameter()
        if param != None:
            param_range = param.max - param.min
            if param.name == 'Track Volume':
                if sender == self._master_fader:
                    if self._has_faders:
                        name_string = 'Master  Vol'
                    else:
                        name_string = self._mixer_for_faders.selected_strip(
                        ).track_name_data_source().display_string() + '   Vol'
                else:
                    name_string = self._mixer_for_faders.channel_strip(
                        self._faders.index(sender)).track_name_data_source(
                        ).display_string() + '   Vol'
            else:
                name_string = param.name
                value = int((param.value - param.min) / param_range * 127)
            value_string = str(value)
        else:
            name_string = '<unmapped>'
            value_string = None
            self.schedule_message(1, self._set_value_string)
        self._set_name_string(name_string)
        self._set_value_string(value_string)
        return

    def _encoder_value(self, value, sender):
        param = sender.mapped_parameter()
        if param != None:
            param_range = param.max - param.min
            if param.name == 'Track Volume':
                name_string = self._mixer_for_encoders.channel_strip(
                    self._encoders.index(sender)).track_name_data_source(
                    ).display_string() + '   Vol'
                value = int((param.value - param.min) / param_range * 127)
            elif param.name == 'Track Panning':
                name_string = self._mixer_for_encoders.channel_strip(
                    self._encoders.index(sender)).track_name_data_source(
                    ).display_string() + '   Pan'
                value = int(param.value / param_range * 127)
                if value < 0:
                    name_string += '  L'
                elif value > 0:
                    name_string += '  R'
                else:
                    name_string += '  C'
            else:
                name_string = param.name
                value = int((param.value - param.min) / param_range * 127)
            value_string = str(value)
        else:
            name_string = '<unmapped>'
            value_string = None
            self.schedule_message(1, self._set_value_string)
        self._set_name_string(name_string)
        self._set_value_string(value_string)
        return

    def _set_displays_to_default(self):
        self._name_display.segment(0).set_data_source(
            self._mixer_for_encoders.selected_strip().track_name_data_source())
        self._name_display.update()
        self._update_bank_value()
        self._set_value_string(None)
        self._send_midi(SYSEX_START + LCD_HC_DEFAULT)
        return

    def _set_name_string(self, name_string):
        self._name_display.segment(0).set_data_source(
            self._name_display_data_source)
        self._name_display_data_source.set_display_string(name_string)
        self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _set_value_string(self, value_string=None):
        if value_string != None:
            self._value_display_data_source.set_display_string(value_string)
        else:
            self._value_display.reset()
        return

    def _set_bank_string(self, bank_string=None):
        if bank_string != None:
            self._bank_display_data_source.set_display_string(bank_string)
        else:
            self._bank_display.reset()
        return

    def _update_bank_value(self):
        bank = (self._session.track_offset() + 1) / self._session.width() + 1
        self._set_bank_string(str(bank))

    def _install_mapping(self, midi_map_handle, control, parameter,
                         feedback_delay, feedback_map):
        if not self._in_build_midi_map:
            raise AssertionError
            raise midi_map_handle != None or AssertionError
            raise control != None and parameter != None or AssertionError
            raise isinstance(
                parameter,
                Live.DeviceParameter.DeviceParameter) or AssertionError
            raise isinstance(control, InputControlElement) or AssertionError
            raise isinstance(feedback_delay, int) or AssertionError
            if not isinstance(feedback_map, tuple):
                raise AssertionError
                success = False
                feedback_rule = None
                feedback_rule = control.message_type(
                ) is MIDI_NOTE_TYPE and Live.MidiMap.NoteFeedbackRule()
                feedback_rule.note_no = 0
                feedback_rule.vel_map = (0, )
            elif control.message_type() is MIDI_CC_TYPE:
                feedback_rule = Live.MidiMap.CCFeedbackRule()
                feedback_rule.cc_no = 0
                feedback_rule.cc_value_map = (0, )
            elif control.message_type() is MIDI_PB_TYPE:
                feedback_rule = Live.MidiMap.PitchBendFeedbackRule()
                feedback_rule.value_pair_map = feedback_map
            raise feedback_rule != None or AssertionError
            feedback_rule.channel = control.message_channel()
            feedback_rule.delay_in_ms = feedback_delay
            success = control.message_type(
            ) is MIDI_NOTE_TYPE and Live.MidiMap.map_midi_note_with_feedback_map(
                midi_map_handle, parameter, control.message_channel(),
                control.message_identifier(), feedback_rule)
        elif control.message_type() is MIDI_CC_TYPE:
            success = Live.MidiMap.map_midi_cc_with_feedback_map(
                midi_map_handle, parameter, control.message_channel(),
                control.message_identifier(), control.message_map_mode(),
                feedback_rule, not control.needs_takeover())
        elif control.message_type() is MIDI_PB_TYPE:
            success = Live.MidiMap.map_midi_pitchbend_with_feedback_map(
                midi_map_handle, parameter, control.message_channel(),
                feedback_rule, not control.needs_takeover())
        return success
class Novation_Impulse(ControlSurface):
    """ Script for Novation's Impulse keyboards """

    def __init__(self, c_instance):
        ControlSurface.__init__(self, c_instance)
        with self.component_guard():
            self.set_pad_translations(PAD_TRANSLATIONS)
            self._device_selection_follows_track_selection = True
            self._suggested_input_port = 'Impulse'
            self._suggested_output_port = 'Impulse'
            self._has_sliders = True
            self._current_midi_map = None
            self._display_reset_delay = -1
            self._shift_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 39)
            self._preview_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 41)
            self._master_slider = SliderElement(MIDI_CC_TYPE, 0, 8)
            self._shift_button.name = 'Shift_Button'
            self._master_slider.name = 'Master_Volume_Control'
            self._master_slider.add_value_listener(self._slider_value, identify_sender=True)
            self._preview_button.add_value_listener(self._preview_value)
            self._setup_mixer()
            self._setup_session()
            self._setup_transport()
            self._setup_device()
            self._setup_name_display()
            device_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 1, 10)
            mixer_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 1, 9)
            device_button.name = 'Encoder_Device_Mode'
            mixer_button.name = 'Encoder_Mixer_Mode'
            self._encoder_modes = EncoderModeSelector(self._device_component, self._mixer, self._next_bank_button, self._prev_bank_button, self._encoders)
            self._encoder_modes.set_device_mixer_buttons(device_button, mixer_button)
            self._string_to_display = None
            for component in self.components:
                component.set_enabled(False)

    def refresh_state(self):
        ControlSurface.refresh_state(self)
        self.schedule_message(3, self._send_midi, SYSEX_START + (6, 1, 1, 1, 247))

    def handle_sysex(self, midi_bytes):
        if midi_bytes[0:-2] == SYSEX_START + (7,) and midi_bytes[-2] != 0:
            self._has_sliders = midi_bytes[-2] != 25
            self.schedule_message(1, self._show_startup_message)
            for control in self.controls:
                if isinstance(control, InputControlElement):
                    control.clear_send_cache()

            for component in self.components:
                component.set_enabled(True)

            if self._has_sliders:
                self._mixer.master_strip().set_volume_control(self._master_slider)
                self._mixer.update()
            else:
                self._mixer.master_strip().set_volume_control(None)
                self._mixer.selected_strip().set_volume_control(self._master_slider)
                for index in range(len(self._sliders)):
                    self._mixer.channel_strip(index).set_volume_control(None)
                    slider = self._sliders[index]
                    slider.release_parameter()
                    if slider.value_has_listener(self._slider_value):
                        slider.remove_value_listener(self._slider_value)

            self._encoder_modes.set_provide_volume_mode(not self._has_sliders)
            self.request_rebuild_midi_map()

    def disconnect(self):
        self._name_display_data_source.set_display_string('  ')
        for encoder in self._encoders:
            encoder.remove_value_listener(self._encoder_value)

        self._master_slider.remove_value_listener(self._slider_value)
        if self._has_sliders:
            for slider in tuple(self._sliders):
                slider.remove_value_listener(self._slider_value)

        for button in self._strip_buttons:
            button.remove_value_listener(self._mixer_button_value)

        self._preview_button.remove_value_listener(self._preview_value)
        ControlSurface.disconnect(self)
        self._encoders = None
        self._sliders = None
        self._strip_buttons = None
        self._master_slider = None
        self._current_midi_map = None
        self._shift_button = None
        self._name_display = None
        self._prev_bank_button = None
        self._next_bank_button = None
        self._encoder_modes = None
        self._transport_view_modes = None
        self._send_midi(SYSEX_START + (6, 0, 0, 0, 247))

    def build_midi_map(self, midi_map_handle):
        self._current_midi_map = midi_map_handle
        ControlSurface.build_midi_map(self, midi_map_handle)

    def update_display(self):
        ControlSurface.update_display(self)
        if self._string_to_display != None:
            self._name_display_data_source.set_display_string(self._string_to_display)
            self._string_to_display = None
        if self._display_reset_delay >= 0:
            self._display_reset_delay -= 1
            if self._display_reset_delay == -1:
                self._show_current_track_name()

    def _setup_mixer(self):
        mute_solo_flip_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 0, 34)
        self._next_nav_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 37)
        self._prev_nav_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 38)
        self._strip_buttons = []
        mute_solo_flip_button.name = 'Mute_Solo_Flip_Button'
        self._next_nav_button.name = 'Next_Track_Button'
        self._prev_nav_button.name = 'Prev_Track_Button'
        self._mixer = SpecialMixerComponent(8)
        self._mixer.name = 'Mixer'
        self._mixer.set_select_buttons(self._next_nav_button, self._prev_nav_button)
        self._mixer.selected_strip().name = 'Selected_Channel_Strip'
        self._mixer.master_strip().name = 'Master_Channel_Strip'
        self._mixer.master_strip().set_volume_control(self._master_slider)
        self._sliders = []
        for index in range(8):
            strip = self._mixer.channel_strip(index)
            strip.name = 'Channel_Strip_' + str(index)
            strip.set_invert_mute_feedback(True)
            self._sliders.append(SliderElement(MIDI_CC_TYPE, 0, index))
            self._sliders[-1].name = str(index) + '_Volume_Control'
            self._sliders[-1].set_feedback_delay(-1)
            self._sliders[-1].add_value_listener(self._slider_value, identify_sender=True)
            strip.set_volume_control(self._sliders[-1])
            self._strip_buttons.append(ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 9 + index))
            self._strip_buttons[-1].name = str(index) + '_Mute_Button'
            self._strip_buttons[-1].add_value_listener(self._mixer_button_value, identify_sender=True)

        self._mixer.master_strip().set_mute_button(ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 1, 17))
        self._mixer.set_strip_mute_solo_buttons(tuple(self._strip_buttons), mute_solo_flip_button)

    def _setup_session(self):
        num_pads = len(PAD_TRANSLATIONS)
        self._track_left_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 0, 36)
        self._track_right_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 0, 35)
        self._session = SessionComponent(8, 0)
        self._session.name = 'Session_Control'
        self._session.selected_scene().name = 'Selected_Scene'
        self._session.set_mixer(self._mixer)
        self._session.set_page_left_button(self._track_left_button)
        self._session.set_page_right_button(self._track_right_button)
        pads = []
        for index in range(num_pads):
            pads.append(ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 60 + index))
            pads[-1].name = 'Pad_' + str(index)
            clip_slot = self._session.selected_scene().clip_slot(index)
            clip_slot.set_triggered_to_play_value(GREEN_BLINK)
            clip_slot.set_triggered_to_record_value(RED_BLINK)
            clip_slot.set_stopped_value(AMBER_FULL)
            clip_slot.set_started_value(GREEN_FULL)
            clip_slot.set_recording_value(RED_FULL)
            clip_slot.set_launch_button(pads[-1])
            clip_slot.name = str(index) + '_Selected_Clip_Slot'

    def _setup_transport(self):
        rwd_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 27)
        ffwd_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 28)
        stop_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 29)
        play_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 30)
        loop_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 31)
        rec_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 32)
        ffwd_button.name = 'FFwd_Button'
        rwd_button.name = 'Rwd_Button'
        loop_button.name = 'Loop_Button'
        play_button.name = 'Play_Button'
        stop_button.name = 'Stop_Button'
        rec_button.name = 'Record_Button'
        transport = ShiftableTransportComponent()
        transport.name = 'Transport'
        transport.set_stop_button(stop_button)
        transport.set_play_button(play_button)
        transport.set_record_button(rec_button)
        transport.set_shift_button(self._shift_button)
        self._transport_view_modes = TransportViewModeSelector(transport, self._session, ffwd_button, rwd_button, loop_button)
        self._transport_view_modes.name = 'Transport_View_Modes'

    def _setup_device(self):
        encoders = []
        for index in range(8):
            encoders.append(PeekableEncoderElement(MIDI_CC_TYPE, 1, index, Live.MidiMap.MapMode.relative_binary_offset))
            encoders[-1].set_feedback_delay(-1)
            encoders[-1].add_value_listener(self._encoder_value, identify_sender=True)
            encoders[-1].name = 'Device_Control_' + str(index)

        self._encoders = tuple(encoders)
        self._prev_bank_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 1, 12)
        self._next_bank_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 1, 11)
        self._prev_bank_button.name = 'Device_Bank_Down_Button'
        self._next_bank_button.name = 'Device_Bank_Up_Button'
        device = DeviceComponent()
        device.name = 'Device_Component'
        self.set_device_component(device)
        device.set_parameter_controls(self._encoders)
        device.set_bank_nav_buttons(self._prev_bank_button, self._next_bank_button)

    def _setup_name_display(self):
        self._name_display = PhysicalDisplayElement(16, 1)
        self._name_display.name = 'Display'
        self._name_display.set_message_parts(SYSEX_START + (8,), (247,))
        self._name_display_data_source = DisplayDataSource()
        self._name_display.segment(0).set_data_source(self._name_display_data_source)

    def _encoder_value(self, value, sender):
        if not sender in self._encoders:
            raise AssertionError
            if not value in range(128):
                raise AssertionError
                display_string = self._device_component.is_enabled() and ' - '
                display_string = sender.mapped_parameter() != None and sender.mapped_parameter().name
            self._set_string_to_display(display_string)

    def _slider_value(self, value, sender):
        if not sender in tuple(self._sliders) + (self._master_slider,):
            raise AssertionError
            if not value in range(128):
                raise AssertionError
                if self._mixer.is_enabled():
                    display_string = ' - '
                    if sender.mapped_parameter() != None:
                        master = self.song().master_track
                        tracks = self.song().tracks
                        returns = self.song().return_tracks
                        track = None
                        if sender == self._master_slider:
                            track = self._has_sliders and master
                        else:
                            track = self.song().view.selected_track
                    else:
                        track = self._mixer.channel_strip(self._sliders.index(sender))._track
                    display_string = track == master and 'Master'
                elif track in tracks:
                    display_string = str(list(tracks).index(track) + 1)
                elif track in returns:
                    display_string = str(chr(ord('A') + list(returns).index(track)))
                else:
                    raise False or AssertionError
                display_string += ' Volume'
            self._set_string_to_display(display_string)

    def _mixer_button_value(self, value, sender):
        if not value in range(128):
            raise AssertionError
            if self._mixer.is_enabled() and value > 0:
                strip = self._mixer.channel_strip(self._strip_buttons.index(sender))
                self._string_to_display = strip != None and None
                self._name_display.segment(0).set_data_source(strip.track_name_data_source())
                self._name_display.update()
                self._display_reset_delay = STANDARD_DISPLAY_DELAY
            else:
                self._set_string_to_display(' - ')

    def _preview_value(self, value):
        raise value in range(128) or AssertionError
        for encoder in self._encoders:
            encoder.set_peek_mode(value > 0)

    def _show_current_track_name(self):
        if self._name_display != None and self._mixer != None:
            self._string_to_display = None
            self._name_display.segment(0).set_data_source(self._mixer.selected_strip().track_name_data_source())
            self._name_display.update()

    def _show_startup_message(self):
        self._name_display.display_message('LIVE')
        self._display_reset_delay = INITIAL_DISPLAY_DELAY

    def _set_string_to_display(self, string_to_display):
        raise isinstance(string_to_display, (str, unicode)) or AssertionError
        self._name_display.segment(0).set_data_source(self._name_display_data_source)
        self._string_to_display = string_to_display
        self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _on_selected_track_changed(self):
        ControlSurface._on_selected_track_changed(self)
        self._show_current_track_name()
        all_tracks = self._has_sliders or self._session.tracks_to_use()
        selected_track = self.song().view.selected_track
        num_strips = self._session.width()
        if selected_track in all_tracks:
            track_index = list(all_tracks).index(selected_track)
            new_offset = track_index - track_index % num_strips
            if not new_offset / num_strips == int(new_offset / num_strips):
                raise AssertionError
                self._session.set_offsets(new_offset, self._session.scene_offset())
class Axiom_AIR_25_49_61(ControlSurface):
    """ Script for the M-Audio Axiom A.I.R. 25, 49 and 61 """

    def __init__(self, c_instance):
        ControlSurface.__init__(self, c_instance)
        self._alt_device_component = None
        with self.component_guard():
            self.set_pad_translations(PAD_TRANSLATIONS)
            self._device_selection_follows_track_selection = True
            self._suggested_input_port = "HyperControl"
            self._suggested_output_port = "HyperControl"
            self._single_fader_button_modes = None
            self._has_faders = True
            self._display_reset_delay = -1
            self._hc_byte = HC_BYTE
            self._waiting_for_first_response = True
            self._setup_controls()
            self._setup_displays()
            self._setup_mixer()
            self._setup_session()
            self._setup_transport()
            self._setup_device()
            self._setup_modes()
            self._drum_group_midi_button = None
            self._drum_group_hyper_button = None
            for component in self.components:
                component.set_enabled(False)

    def disconnect(self):
        self._scheduled_messages = []
        for encoder in self._encoders:
            encoder.remove_value_listener(self._encoder_value)

        for fader in self._faders:
            fader.remove_value_listener(self._fader_value)

        for fader_button in self._fader_buttons:
            fader_button.remove_value_listener(self._fader_button_value)

        self._master_fader.remove_value_listener(self._fader_value)
        self._master_fader_button.remove_value_listener(self._fader_button_value)
        self._select_button.remove_value_listener(self._select_button_value)
        self._identify_button.remove_value_listener(self._identify_value)
        self._fader_group_midi_button.remove_value_listener(self._midi_button_value)
        self._fader_group_mix_button.remove_value_listener(self._hyper_button_value)
        self._fader_group_fx_button.remove_value_listener(self._hyper_button_value)
        self._encoder_group_midi_button.remove_value_listener(self._midi_button_value)
        self._encoder_group_mix_button.remove_value_listener(self._hyper_button_value)
        self._encoder_group_fx_button.remove_value_listener(self._hyper_button_value)
        if self._drum_group_midi_button != None:
            self._drum_group_midi_button.remove_value_listener(self._midi_button_value)
        if self._drum_group_hyper_button != None:
            self._drum_group_hyper_button.remove_value_listener(self._hyper_button_value)
        self._alt_device_component = None
        self._name_display = None
        self._value_display = None
        self._bank_display = None
        self._pad_display = None
        self._name_display_data_source = None
        self._value_display_data_source = None
        self._bank_display_data_source = None
        self._pad_display_data_source = None
        self._select_button = None
        self._left_button = None
        self._right_button = None
        self._up_button = None
        self._down_button = None
        self._loop_button = None
        self._ffwd_button = None
        self._rwd_button = None
        self._play_button = None
        self._stop_button = None
        self._rec_button = None
        self._master_fader_button = None
        self._fader_buttons = None
        self._faders = None
        self._encoders = None
        self._drum_pads = None
        self._identify_button = None
        self._main_group_hyper_button = None
        self._main_group_track_button = None
        self._main_group_fx_button = None
        self._encoder_group_midi_button = None
        self._encoder_group_mix_button = None
        self._encoder_group_fx_button = None
        self._fader_group_mode_button = None
        self._fader_group_midi_button = None
        self._fader_group_mix_button = None
        self._fader_group_fx_button = None
        self._drum_group_midi_button = None
        self._drum_group_roll_button = None
        self._drum_group_hyper_button = None
        self._mixer_for_encoders = None
        self._mixer_for_faders = None
        self._device_for_encoders = None
        self._device_for_faders = None
        self._transport = None
        self._session = None
        ControlSurface.disconnect(self)
        self._send_midi(SYSEX_START + DISABLE_HYPERCONTROL)

    def refresh_state(self):
        ControlSurface.refresh_state(self)
        self.schedule_message(5, self._send_midi, IDENTITY_REQUEST)

    def handle_sysex(self, midi_bytes):
        if midi_bytes[0:10] == AXIOM_AIR_RESPONSE:
            if midi_bytes[12:15] < AXIOM_REV4_RESPONSE:
                self.schedule_message(1, self._send_midi, SYSEX_START + ENGAGE_HYPERCONTROL)
                self.schedule_message(2, self._send_midi, SYSEX_START + CLEAR_ALL)
                self.schedule_message(3, self._name_display.display_message, "Firmware")
                self.schedule_message(13, self._name_display.display_message, "Update")
                self.schedule_message(23, self._name_display.display_message, "Required")
                self.schedule_message(33, self._send_midi, SYSEX_START + DISABLE_HYPERCONTROL)
            elif midi_bytes[12:15] >= AXIOM_REV4_RESPONSE:
                if self._waiting_for_first_response == True:
                    self._waiting_for_first_response = False
                    self._has_faders = midi_bytes[10] != 50
                    self.schedule_message(1, self._send_midi, SYSEX_START + ENGAGE_HYPERCONTROL)
                    self.schedule_message(2, self._send_midi, SYSEX_START + SPECIAL_HYPERCONTROL)
                    self.schedule_message(3, self._complete_setup)
                else:
                    self._display_reset_delay = 0
        elif midi_bytes[0:8] == REQUEST_HYPERCONTROL:
            self.schedule_message(5, self._send_midi, IDENTITY_REQUEST)

    def update_display(self):
        ControlSurface.update_display(self)
        if self._display_reset_delay >= 0:
            self._display_reset_delay -= 1
            if self._display_reset_delay == -1:
                self._set_displays_to_default()

    def _on_selected_track_changed(self):
        ControlSurface._on_selected_track_changed(self)
        self._display_reset_delay = 0

    def restore_bank(self, bank_index):
        ControlSurface.restore_bank(self, bank_index)
        if self._alt_device_component != None:
            self._alt_device_component.restore_bank(bank_index)

    def set_appointed_device(self, device):
        ControlSurface.set_appointed_device(self, device)
        with self.component_guard():
            if self._alt_device_component != None:
                self._alt_device_component.set_device(device)

    def set_alt_device_component(self, device_component):
        self._alt_device_component = device_component

    def _update_device_selection(self):
        track = self.song().view.selected_track
        device_to_select = track.view.selected_device
        if device_to_select == None and len(track.devices) > 0:
            device_to_select = track.devices[0]
        if device_to_select != None:
            self.song().view.select_device(device_to_select)
        self._device_component.set_device(device_to_select)
        if self._alt_device_component != None:
            self._alt_device_component.set_device(device_to_select)

    def _setup_controls(self):
        self._left_button = create_button(99, "Left_Button")
        self._right_button = create_button(100, "Right_Button")
        self._up_button = create_button(101, "Up_Button")
        self._down_button = create_button(102, "Down_Button")
        self._loop_button = create_button(113, "Loop_Button")
        self._rwd_button = create_button(114, "Rwd_Button")
        self._ffwd_button = create_button(115, "FFwd_Button")
        self._stop_button = create_button(116, "Stop_Button")
        self._play_button = create_button(117, "Play_Button")
        self._rec_button = create_button(118, "Record_Button")
        self._select_button = ConfigurableButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, GLOBAL_CHANNEL, 98)
        self._select_button.name = "Select_Button"
        self._select_button.add_value_listener(self._select_button_value)
        self._main_group_hyper_button = create_configurable_button(104, "Fader_Group_HyperControl_Button", 2, 14)
        self._main_group_track_button = create_configurable_button(105, "Main_Group_Track_Button", 2, 11)
        self._main_group_fx_button = create_configurable_button(106, "Main_Group_Inst_FX_Button", 2, 11)
        self._identify_button = create_configurable_button(97, "Identify_Button", 2, 16)
        self._identify_button.add_value_listener(self._identify_value)
        self._fader_buttons = []
        for index in range(8):
            self._fader_buttons.append(create_configurable_button(49 + index, "Fader_Button_%d" % index))
            self._fader_buttons[-1].add_value_listener(self._fader_button_value, identify_sender=True)

        self._faders = []
        for index in range(8):
            self._faders.append(create_slider(33 + index, "Fader_%d" % index))
            self._faders[-1].add_value_listener(self._fader_value, identify_sender=True)

        self._master_fader_button = create_configurable_button(57, "Master_Fader_Button")
        self._master_fader_button.add_value_listener(self._fader_button_value, identify_sender=True)
        self._master_fader = create_slider(41, "Master_Fader")
        self._master_fader.add_value_listener(self._fader_value, identify_sender=True)
        self._fader_group_mode_button = create_configurable_button(61, "Fader_Group_Mode_Button")
        self._fader_group_midi_button = create_configurable_button(60, "Fader_Group_MIDI_Button")
        self._fader_group_midi_button.add_value_listener(self._midi_button_value, identify_sender=True)
        self._fader_group_mix_button = create_configurable_button(58, "Fader_Group_Mix_Button", 0, 1)
        self._fader_group_mix_button.add_value_listener(self._hyper_button_value, identify_sender=True)
        self._fader_group_fx_button = create_configurable_button(59, "Fader_Group_Inst_FX_Button", 0, -1)
        self._fader_group_fx_button.add_value_listener(self._hyper_button_value, identify_sender=True)
        self._encoders = []
        for index in range(8):
            self._encoders.append(create_encoder(17 + index, "Encoder_%d" % index))
            self._encoders[-1].add_value_listener(self._encoder_value, identify_sender=True)

        self._encoder_group_midi_button = create_configurable_button(27, "Encoder_Group_MIDI_Button", 0, 72)
        self._encoder_group_midi_button.add_value_listener(self._midi_button_value, identify_sender=True)
        self._encoder_group_mix_button = create_configurable_button(25, "Encoder_Group_Mix_Button", 0, 72)
        self._encoder_group_mix_button.add_value_listener(self._hyper_button_value, identify_sender=True)
        self._encoder_group_fx_button = create_configurable_button(26, "Encoder_Group_Inst_FX_Button", 0, 72)
        self._encoder_group_fx_button.add_value_listener(self._hyper_button_value, identify_sender=True)

    def _setup_drum_pads(self):
        self._drum_pads = []
        num_pads = 12 if self._has_faders else 16
        for index in range(8):
            self._drum_pads.append(create_configurable_button(81 + index, "Pad_%d" % index, 0, 0, MIDI_CC_TYPE))

        for index in range(num_pads - 8):
            self._drum_pads.append(
                ConfigurableButtonElement(
                    IS_MOMENTARY, MIDI_NOTE_TYPE, GLOBAL_CHANNEL - 1, 81 + index, GLOBAL_SEND_CHANNEL, 8, MIDI_CC_TYPE
                )
            )
            self._drum_pads[-1].name = "Pad_" + str(index + 8)

        self._drum_group_midi_button = create_configurable_button(91, "Drum_Group_MIDI_Button", 2, -2)
        self._drum_group_midi_button.add_value_listener(self._midi_button_value, identify_sender=True)
        self._drum_group_roll_button = create_configurable_button(90, "Drum_Group_Roll_Button", -1)
        self._drum_group_hyper_button = create_configurable_button(89, "Drum_Group_HyperControl_Button", 2, 2)
        self._drum_group_hyper_button.add_value_listener(self._hyper_button_value, identify_sender=True)

    def _setup_displays(self):
        self._name_display = PhysicalDisplayElement(12, 1)
        self._name_display.name = "Name_Display"
        self._name_display.set_message_parts(SYSEX_START + (21,), (0, 247))
        self._name_display.set_clear_all_message(CLEAR_NAME)
        self._name_display_data_source = DisplayDataSource()
        self._name_display.segment(0).set_data_source(self._name_display_data_source)
        self._value_display = NumericalDisplayElement(3, 1)
        self._value_display.name = "Value_Display"
        self._value_display.set_message_parts(SYSEX_START + (20, 48), (0, 247))
        self._value_display.set_clear_all_message(CLEAR_VALUE)
        self._value_display_data_source = DisplayDataSource()
        self._value_display.segment(0).set_data_source(self._value_display_data_source)
        self._bank_display = NumericalDisplayElement(3, 1)
        self._bank_display.name = "Bank_Display"
        self._bank_display.set_message_parts(SYSEX_START + (19,), (0, 247))
        self._bank_display.set_clear_all_message(CLEAR_BANK)
        self._bank_display_data_source = DisplayDataSource()
        self._bank_display.segment(0).set_data_source(self._bank_display_data_source)
        self._pad_display = NumericalDisplayElement(2, 1)
        self._pad_display.name = "Pad_Display"
        self._pad_display.set_message_parts(SYSEX_START + (18,), (0, 247))
        self._pad_display.set_clear_all_message(CLEAR_PAD)
        self._pad_display_data_source = DisplayDataSource()
        self._pad_display.segment(0).set_data_source(self._pad_display_data_source)

    def _setup_mixer(self):
        self._mixer_for_encoders = SpecialMixerComponent(self._name_display, self._value_display, 8)
        self._mixer_for_encoders.name = "Mixer_for_encoders"
        self._mixer_for_faders = SpecialMixerComponent(self._name_display, self._value_display, 8)
        self._mixer_for_faders.name = "Mixer_for_faders"

    def _setup_session(self):
        self._session = SpecialSessionComponent(8, 0)
        self._session.name = "Session_Control"
        self._session.selected_scene().name = "Selected_Scene"
        self._session.set_mixer(self._mixer_for_encoders)
        self._session.set_alt_mixer(self._mixer_for_faders)
        self._session.add_offset_listener(self._update_bank_value)

    def _setup_transport(self):
        self._transport = TransportComponent()
        self._transport.name = "Transport"
        self._transport.set_stop_button(self._stop_button)
        self._transport.set_play_button(self._play_button)
        self._transport.set_record_button(self._rec_button)
        transport_view_modes = TransportViewModeSelector(
            self._transport, self._session, self._ffwd_button, self._rwd_button, self._loop_button
        )
        transport_view_modes.name = "Transport_View_Modes"

    def _setup_device(self):
        self._device_for_encoders = BestBankDeviceComponent()
        self._device_for_encoders.name = "Device_Component_for_encoders"
        self._device_for_faders = BestBankDeviceComponent()
        self._device_for_faders.name = "Device_Component_for_faders"
        self.set_device_component(self._device_for_encoders)
        self.set_alt_device_component(self._device_for_faders)
        self._device_nav = DeviceNavComponent()
        self._device_nav.name = "Device_Nav_Component"

    def _setup_modes(self):
        self._fader_button_modes = FaderButtonModeSelector(self._mixer_for_faders, tuple(self._fader_buttons))
        self._fader_button_modes.name = "Fader_Button_Modes"
        self._fader_button_modes.set_mode_toggle(self._fader_group_mode_button)
        self._fader_modes = FaderModeSelector(
            self._mixer_for_faders,
            self._device_for_faders,
            tuple(self._faders),
            self._fader_button_modes,
            self._master_fader_button,
        )
        self._fader_modes.name = "Fader_Modes"
        self._fader_modes.set_mode_buttons((self._fader_group_mix_button, self._fader_group_fx_button))
        self._encoder_modes = EncoderModeSelector(
            self._mixer_for_encoders, self._device_for_encoders, tuple(self._encoders)
        )
        self._encoder_modes.name = "Encoder_Modes"
        self._encoder_modes.set_mode_buttons((self._encoder_group_mix_button, self._encoder_group_fx_button))
        main_modes = MainModeSelector(
            self._device_for_encoders,
            self._device_for_faders,
            self._session,
            self._mixer_for_faders,
            self._device_nav,
            self._up_button,
            self._down_button,
            self._left_button,
            self._right_button,
            self._select_button,
        )
        main_modes.name = "Main_Modes"
        main_modes.set_mode_buttons((self._main_group_track_button, self._main_group_fx_button))

    def _setup_master_fader(self):
        if self._has_faders:
            self._mixer_for_encoders.master_strip().set_volume_control(self._master_fader)
        else:
            self._mixer_for_encoders.selected_strip().set_volume_control(self._master_fader)

    def _setup_single_fader_button_modes(self):
        self._single_fader_button_modes = SingleFaderButtonModeSelector(
            self._mixer_for_encoders, self._fader_group_midi_button
        )
        self._single_fader_button_modes.name = "Single_Fader_Button_Modes"
        self._single_fader_button_modes.set_mode_toggle(self._fader_group_mode_button)

    def _complete_setup(self):
        self._setup_drum_pads()
        self._set_drum_pads_to_hc()
        self._setup_master_fader()
        if not self._has_faders:
            self._setup_single_fader_button_modes()
        for control in self.controls:
            if isinstance(control, InputControlElement):
                control.clear_send_cache()

        for component in self.components:
            component.set_enabled(True)

        self._fader_group_midi_button.send_value(LED_OFF, True)
        self._encoder_group_midi_button.send_value(LED_OFF, True)
        self._main_group_hyper_button.send_value(AMB_FULL, True)
        self.request_rebuild_midi_map()
        self._on_selected_track_changed()
        self.schedule_message(1, self._show_startup_message)

    def _show_startup_message(self):
        self._send_midi(SYSEX_START + CLEAR_ALL)
        self._name_display.display_message("Ableton Live")
        self._display_reset_delay = INITIAL_DISPLAY_DELAY

    def _select_button_value(self, value):
        self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _identify_value(self, value):
        for encoder in self._encoders:
            encoder.set_identify_mode(value > 0)

        for fader in self._faders:
            fader.set_identify_mode(value > 0)

        self._master_fader.set_identify_mode(value > 0)
        self._display_reset_delay = 0
        self._identify_button.turn_on() if value > 0 else self._identify_button.turn_off()

    def _midi_button_value(self, value, sender):
        if value > 0:
            if sender is self._drum_group_midi_button:
                hc_byte = self._hc_byte ^ PADS
                if hc_byte != self._hc_byte:
                    self._hc_byte = hc_byte
                    self._drum_group_hyper_button.send_value(LED_OFF, True)
                    self.schedule_message(1, self._send_midi, SYSEX_START + (32, self._hc_byte, 247))
            elif sender is self._encoder_group_midi_button:
                hc_byte = self._hc_byte ^ ENCODERS
                if hc_byte != self._hc_byte:
                    self._hc_byte = hc_byte
                    self._encoder_group_mix_button.send_value(LED_OFF, True)
                    self._encoder_group_fx_button.send_value(LED_OFF, True)
                    if self._encoder_modes.mode_index < 3:
                        self._encoder_modes.set_enabled(False)
                    self.schedule_message(1, self._send_midi, SYSEX_START + (32, self._hc_byte, 247))
            elif sender is self._fader_group_midi_button:
                if self._has_faders:
                    hc_byte = self._hc_byte ^ FADERS
                    if hc_byte != self._hc_byte:
                        self._hc_byte = hc_byte
                        self._fader_group_mix_button.send_value(LED_OFF, True)
                        self._fader_group_fx_button.send_value(LED_OFF, True)
                        self._fader_group_mode_button.send_value(LED_OFF, True)
                        if self._fader_modes.mode_index < 2:
                            self._fader_modes.set_enabled(False)
                            self._fader_button_modes.set_enabled(False)
                        self.schedule_message(1, self._send_midi, SYSEX_START + (32, self._hc_byte, 247))
                else:
                    self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _hyper_button_value(self, value, sender):
        if value > 0:
            if sender is self._drum_group_hyper_button:
                if self._hc_byte | PADS != self._hc_byte:
                    self._hc_byte = self._hc_byte | PADS
                    self._send_midi(SYSEX_START + (32, self._hc_byte, 247))
                    self.schedule_message(1, self._set_drum_pads_to_hc)
            elif sender is self._encoder_group_fx_button or sender is self._encoder_group_mix_button:
                if self._hc_byte | ENCODERS != self._hc_byte:
                    self._hc_byte = self._hc_byte | ENCODERS
                    self._send_midi(SYSEX_START + (32, self._hc_byte, 247))
                    self._encoder_group_midi_button.turn_off()
                    if sender is self._encoder_group_fx_button:
                        self._encoder_modes.set_enabled(True)
                        self._display_reset_delay = 0
                        return
                    else:
                        self.schedule_message(1, self._encoder_modes.set_enabled, True)
                        self.schedule_message(1, self._encoder_modes.update)
                        self._display_reset_delay = 2
                        return
            elif sender is self._fader_group_fx_button or sender is self._fader_group_mix_button:
                if self._hc_byte | FADERS != self._hc_byte:
                    self._hc_byte = self._hc_byte | FADERS
                    self._send_midi(SYSEX_START + (32, self._hc_byte, 247))
                    self._fader_group_midi_button.turn_off()
                    self._fader_button_modes.set_enabled(True)
                    if sender is self._fader_group_fx_button:
                        self._fader_modes.set_enabled(True)
                        self._fader_button_modes.set_enabled(True)
                        self._display_reset_delay = 0
                        return
                    else:
                        self.schedule_message(1, self._fader_modes.set_enabled, True)
                        self.schedule_message(1, self._fader_modes.update)
                        self.schedule_message(1, self._fader_button_modes.set_enabled, True)
                        self.schedule_message(1, self._fader_button_modes.update)
                        self._display_reset_delay = 2
                        return
            self._display_reset_delay = 0

    def _set_drum_pads_to_hc(self):
        self._drum_group_midi_button.send_value(LED_OFF, True)
        self._drum_group_hyper_button.send_value(RED_FULL, True)
        for index in range(len(self._drum_pads)):
            self._drum_pads[index].send_value(RED_LOW, True)

    def _fader_button_value(self, value, sender):
        self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _fader_value(self, value, sender):
        param = sender.mapped_parameter()
        if param != None:
            param_range = param.max - param.min
            if param.name == "Track Volume":
                if sender == self._master_fader:
                    if self._has_faders:
                        name_string = "Master  Vol"
                    else:
                        name_string = (
                            self._mixer_for_faders.selected_strip().track_name_data_source().display_string() + "   Vol"
                        )
                else:
                    name_string = (
                        self._mixer_for_faders.channel_strip(self._faders.index(sender))
                        .track_name_data_source()
                        .display_string()
                        + "   Vol"
                    )
            else:
                name_string = param.name
                value = int((param.value - param.min) / param_range * 127)
            value_string = str(value)
        else:
            name_string = "<unmapped>"
            value_string = None
            self.schedule_message(1, self._set_value_string)
        self._set_name_string(name_string)
        self._set_value_string(value_string)

    def _encoder_value(self, value, sender):
        param = sender.mapped_parameter()
        if param != None:
            param_range = param.max - param.min
            if param.name == "Track Volume":
                name_string = (
                    self._mixer_for_encoders.channel_strip(self._encoders.index(sender))
                    .track_name_data_source()
                    .display_string()
                    + "   Vol"
                )
                value = int((param.value - param.min) / param_range * 127)
            elif param.name == "Track Panning":
                name_string = (
                    self._mixer_for_encoders.channel_strip(self._encoders.index(sender))
                    .track_name_data_source()
                    .display_string()
                    + "   Pan"
                )
                value = int(param.value / param_range * 127)
                if value < 0:
                    name_string += "  L"
                elif value > 0:
                    name_string += "  R"
                else:
                    name_string += "  C"
            else:
                name_string = param.name
                value = int((param.value - param.min) / param_range * 127)
            value_string = str(value)
        else:
            name_string = "<unmapped>"
            value_string = None
            self.schedule_message(1, self._set_value_string)
        self._set_name_string(name_string)
        self._set_value_string(value_string)

    def _set_displays_to_default(self):
        self._name_display.segment(0).set_data_source(
            self._mixer_for_encoders.selected_strip().track_name_data_source()
        )
        self._name_display.update()
        self._update_bank_value()
        self._set_value_string(None)
        self._send_midi(SYSEX_START + LCD_HC_DEFAULT)

    def _set_name_string(self, name_string):
        self._name_display.segment(0).set_data_source(self._name_display_data_source)
        self._name_display_data_source.set_display_string(name_string)
        self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _set_value_string(self, value_string=None):
        if value_string != None:
            self._value_display_data_source.set_display_string(value_string)
        else:
            self._value_display.reset()

    def _set_bank_string(self, bank_string=None):
        if bank_string != None:
            self._bank_display_data_source.set_display_string(bank_string)
        else:
            self._bank_display.reset()

    def _update_bank_value(self):
        bank = (self._session.track_offset() + 1) / self._session.width() + 1
        self._set_bank_string(str(bank))

    def _install_mapping(self, midi_map_handle, control, parameter, feedback_delay, feedback_map):
        if not self._in_build_midi_map:
            raise AssertionError
            raise midi_map_handle != None or AssertionError
            raise control != None and parameter != None or AssertionError
            raise isinstance(parameter, Live.DeviceParameter.DeviceParameter) or AssertionError
            raise isinstance(control, InputControlElement) or AssertionError
            raise isinstance(feedback_delay, int) or AssertionError
            if not isinstance(feedback_map, tuple):
                raise AssertionError
                success = False
                feedback_rule = None
                feedback_rule = control.message_type() is MIDI_NOTE_TYPE and Live.MidiMap.NoteFeedbackRule()
                feedback_rule.note_no = 0
                feedback_rule.vel_map = (0,)
            elif control.message_type() is MIDI_CC_TYPE:
                feedback_rule = Live.MidiMap.CCFeedbackRule()
                feedback_rule.cc_no = 0
                feedback_rule.cc_value_map = (0,)
            elif control.message_type() is MIDI_PB_TYPE:
                feedback_rule = Live.MidiMap.PitchBendFeedbackRule()
                feedback_rule.value_pair_map = feedback_map
            raise feedback_rule != None or AssertionError
            feedback_rule.channel = control.message_channel()
            feedback_rule.delay_in_ms = feedback_delay
            success = control.message_type() is MIDI_NOTE_TYPE and Live.MidiMap.map_midi_note_with_feedback_map(
                midi_map_handle, parameter, control.message_channel(), control.message_identifier(), feedback_rule
            )
        elif control.message_type() is MIDI_CC_TYPE:
            success = Live.MidiMap.map_midi_cc_with_feedback_map(
                midi_map_handle,
                parameter,
                control.message_channel(),
                control.message_identifier(),
                control.message_map_mode(),
                feedback_rule,
                not control.needs_takeover(),
            )
        elif control.message_type() is MIDI_PB_TYPE:
            success = Live.MidiMap.map_midi_pitchbend_with_feedback_map(
                midi_map_handle, parameter, control.message_channel(), feedback_rule, not control.needs_takeover()
            )
        return success
class Novation_Impulse2(ControlSurface):
    """ Script for Novation's Impulse keyboards """
    def __init__(self, c_instance):
        ControlSurface.__init__(self, c_instance)
        self.c_instance = c_instance
        with self.component_guard():
            self.set_pad_translations(PAD_TRANSLATIONS)
            self._device_selection_follows_track_selection = True
            self._suggested_input_port = 'Impulse'
            self._suggested_output_port = 'Impulse'
            self._has_sliders = True
            self._current_midi_map = None
            self._display_reset_delay = -1
            self._shift_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0,
                                               39)
            self._preview_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0,
                                                 41)
            self._master_slider = SliderElement(MIDI_CC_TYPE, 0, 8)
            self._shift_button.name = 'Shift_Button'
            self._master_slider.name = 'Master_Volume_Control'
            self._master_slider.add_value_listener(self._slider_value,
                                                   identify_sender=True)
            self._preview_button.add_value_listener(self._preview_value)
            self._setup_mixer()
            self._setup_session()
            self._setup_transport()
            self._setup_device()
            self._setup_name_display()
            device_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 1,
                                          10)
            mixer_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 1, 9)
            device_button.name = 'Encoder_Device_Mode'
            mixer_button.name = 'Encoder_Mixer_Mode'
            self._encoder_modes = EncoderModeSelector(self._device_component,
                                                      self._mixer,
                                                      self._next_bank_button,
                                                      self._prev_bank_button,
                                                      self._encoders)
            self._encoder_modes.set_device_mixer_buttons(
                device_button, mixer_button)
            self._string_to_display = None
            self._shift_pressed = False
            self._shift_button.add_value_listener(self._shift_value)

            for component in self.components:
                component.set_enabled(False)

    def refresh_state(self):
        ControlSurface.refresh_state(self)
        self.schedule_message(3, self._send_midi,
                              SYSEX_START + (6, 1, 1, 1, 247))

    def handle_sysex(self, midi_bytes):
        if midi_bytes[0:-2] == SYSEX_START + (7, ) and midi_bytes[-2] != 0:
            self._has_sliders = midi_bytes[-2] != 25
            self.schedule_message(1, self._show_startup_message)
            for control in self.controls:
                if isinstance(control, InputControlElement):
                    control.clear_send_cache()

            for component in self.components:
                component.set_enabled(True)

            if self._has_sliders:
                self._mixer.master_strip().set_volume_control(
                    self._master_slider)
                self._mixer.update()
            else:
                self._mixer.master_strip().set_volume_control(None)
                self._mixer.selected_strip().set_volume_control(
                    self._master_slider)
                for index in range(len(self._sliders)):
                    self._mixer.channel_strip(index).set_volume_control(None)
                    slider = self._sliders[index]
                    slider.release_parameter()
                    if slider.value_has_listener(self._slider_value):
                        slider.remove_value_listener(self._slider_value)

            self._encoder_modes.set_provide_volume_mode(not self._has_sliders)
            self.request_rebuild_midi_map()

    def disconnect(self):
        self.log('starting disconnect 1')
        self._name_display_data_source.set_display_string('  ')
        for encoder in self._encoders:
            encoder.remove_value_listener(self._encoder_value)

        self._master_slider.remove_value_listener(self._slider_value)
        if self._has_sliders:
            for slider in tuple(self._sliders):
                slider.remove_value_listener(self._slider_value)

        for button in self._strip_buttons:
            button.remove_value_listener(self._mixer_button_value)

        self._preview_button.remove_value_listener(self._preview_value)
        self.log('starting disconnect 3')
        ControlSurface.disconnect(self)
        self.log('starting disconnect 3')
        self._encoders = None
        self._sliders = None
        self._strip_buttons = None
        self._master_slider = None
        self._current_midi_map = None
        self._name_display = None
        self._prev_bank_button = None
        self._next_bank_button = None
        self._encoder_modes = None
        self._transport_view_modes = None
        self.log('starting disconnect 4')
        self._send_midi(SYSEX_START + (6, 0, 0, 0, 247))
        self.log('starting disconnect 5')

        if self._shift_button != None:
            self._shift_button.remove_value_listener(self._shift_value)
            self._shift_button = None
        self.log('starting disconnect 6')

    def build_midi_map(self, midi_map_handle):
        self._current_midi_map = midi_map_handle
        ControlSurface.build_midi_map(self, midi_map_handle)

    def update_display(self):
        ControlSurface.update_display(self)
        if self._string_to_display != None:
            self._name_display_data_source.set_display_string(
                self._string_to_display)
            self._string_to_display = None
        if self._display_reset_delay >= 0:
            self._display_reset_delay -= 1
            if self._display_reset_delay == -1:
                self._show_current_track_name()

    def _setup_mixer(self):
        mute_solo_flip_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE,
                                              0, 34)
        self._next_nav_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0,
                                              37)
        self._prev_nav_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0,
                                              38)
        self._strip_buttons = []
        mute_solo_flip_button.name = 'Mute_Solo_Flip_Button'
        self._next_nav_button.name = 'Next_Track_Button'
        self._prev_nav_button.name = 'Prev_Track_Button'
        self._mixer = SpecialMixerComponent(8, self.c_instance)
        self._mixer.name = 'Mixer'
        self._mixer.set_select_buttons(self._next_nav_button,
                                       self._prev_nav_button)
        self._mixer.selected_strip().name = 'Selected_Channel_Strip'
        self._mixer.master_strip().name = 'Master_Channel_Strip'
        self._mixer.master_strip().set_volume_control(self._master_slider)
        self._sliders = []
        for index in range(8):
            strip = self._mixer.channel_strip(index)
            strip.name = 'Channel_Strip_' + str(index)
            strip.set_invert_mute_feedback(True)
            self._sliders.append(SliderElement(MIDI_CC_TYPE, 0, index))
            self._sliders[-1].name = str(index) + '_Volume_Control'
            self._sliders[-1].set_feedback_delay(-1)
            self._sliders[-1].add_value_listener(self._slider_value,
                                                 identify_sender=True)
            strip.set_volume_control(self._sliders[-1])
            self._strip_buttons.append(
                ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 9 + index))
            self._strip_buttons[-1].name = str(index) + '_Mute_Button'
            self._strip_buttons[-1].add_value_listener(
                self._mixer_button_value, identify_sender=True)

        self._mixer.master_strip().set_mute_button(
            ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 1, 17))
        self._mixer.set_strip_mute_solo_buttons(tuple(self._strip_buttons),
                                                mute_solo_flip_button)
        #self._mixer.set_shift_button(self._shift_button)
        self._mixer.updateMixerButtons()

        self._button9 = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 9 + 8)

    def _setup_session(self):
        num_pads = len(PAD_TRANSLATIONS)
        self._session = SessionComponent(8, 0)
        self._session.name = 'Session_Control'
        self._session.selected_scene().name = 'Selected_Scene'
        self._session.set_mixer(self._mixer)
        # for ableton 9.1.1 and lower
        #self._session.set_track_banking_increment(num_pads)
        #self._session.set_track_bank_buttons(ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 0, 35), ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 0, 36))
        # for ableton 9.1.1 and higher
        self._track_left_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE,
                                                0, 36)
        self._track_right_button = ButtonElement(not IS_MOMENTARY,
                                                 MIDI_CC_TYPE, 0, 35)
        self._session.set_page_left_button(self._track_left_button)
        self._session.set_page_right_button(self._track_right_button)

        pads = []
        for index in range(num_pads):
            pads.append(
                ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 60 + index))
            pads[-1].name = 'Pad_' + str(index)
            clip_slot = self._session.selected_scene().clip_slot(index)
            clip_slot.set_triggered_to_play_value(GREEN_BLINK)
            clip_slot.set_triggered_to_record_value(RED_BLINK)
            clip_slot.set_stopped_value(AMBER_FULL)
            clip_slot.set_started_value(GREEN_FULL)
            clip_slot.set_recording_value(RED_FULL)
            clip_slot.set_launch_button(pads[-1])
            clip_slot.name = str(index) + '_Selected_Clip_Slot'

    def _setup_transport(self):
        rwd_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 27)
        ffwd_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 28)
        stop_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 29)
        play_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 30)
        loop_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 31)
        rec_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 32)
        ffwd_button.name = 'FFwd_Button'
        rwd_button.name = 'Rwd_Button'
        loop_button.name = 'Loop_Button'
        play_button.name = 'Play_Button'
        stop_button.name = 'Stop_Button'
        rec_button.name = 'Record_Button'
        self._transport = ShiftableTransportComponent(self.c_instance,
                                                      self._session, self,
                                                      ffwd_button, rwd_button)
        self._transport.name = 'Transport'
        self._transport.set_stop_buttonOnInit(stop_button)
        self._transport.set_play_button(play_button)
        self._transport.set_record_buttonOnInit(rec_button)
        #        self._transport.set_shift_button(self._shift_button)
        self._transport.set_mixer9_button(self._button9)
        self._transport_view_modes = TransportViewModeSelector(
            self.c_instance, self._transport, self._session, ffwd_button,
            rwd_button, loop_button)
        self._transport_view_modes.name = 'Transport_View_Modes'

    def _setup_device(self):
        encoders = []
        for index in range(8):
            encoders.append(
                PeekableEncoderElement(
                    MIDI_CC_TYPE, 1, index,
                    Live.MidiMap.MapMode.relative_binary_offset))
            encoders[-1].set_feedback_delay(-1)
            encoders[-1].add_value_listener(self._encoder_value,
                                            identify_sender=True)
            encoders[-1].name = 'Device_Control_' + str(index)

        self._encoders = tuple(encoders)
        self._prev_bank_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 1,
                                               12)
        self._next_bank_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 1,
                                               11)
        self._prev_bank_button.name = 'Device_Bank_Down_Button'
        self._next_bank_button.name = 'Device_Bank_Up_Button'
        device = DeviceComponent()
        device.name = 'Device_Component'
        self.set_device_component(device)
        device.set_parameter_controls(self._encoders)
        device.set_bank_nav_buttons(self._prev_bank_button,
                                    self._next_bank_button)

    def _setup_name_display(self):
        self._name_display = PhysicalDisplayElement(16, 1)
        self._name_display.name = 'Display'
        self._name_display.set_message_parts(SYSEX_START + (8, ), (247, ))
        self._name_display_data_source = DisplayDataSource()
        self._name_display.segment(0).set_data_source(
            self._name_display_data_source)

    def _encoder_value(self, value, sender):
        if not sender in self._encoders:
            raise AssertionError
        if not value in range(128):
            raise AssertionError
#        display_string = self._device_component.is_enabled() and ' - '
#        display_string = sender.mapped_parameter() != None and sender.mapped_parameter().name
        display_string = ''
        if self._device_component.is_enabled():
            #            display_string = sender.name
            #            track = self.song().view.selected_track
            #            display_string = str(list(tracks).index(track) + 1)
            pass
        if (sender.mapped_parameter() != None):
            #            display_string = display_string + '-'
            display_string = display_string + sender.mapped_parameter().name
        self._set_string_to_display(display_string)

    def _slider_value(self, value, sender):
        self.log('_slider_value ' + str(value) + ' ' + str(sender))
        if not sender in tuple(self._sliders) + (self._master_slider, ):
            raise AssertionError
        if not value in range(128):
            raise AssertionError
        if self._mixer.is_enabled():
            display_string = ' - '
            master = self.song().master_track
            tracks = self.song().tracks
            returns = self.song().return_tracks
            track = None
            if sender.mapped_parameter() != None:
                self.log('1')
                if sender == self._master_slider:
                    self.log('2')
                    #                    track = self._has_sliders and master
                    if self._has_sliders:
                        track = master
                    else:
                        self.log('2.1')
                        track = self.song().view.selected_track
                else:
                    self.log('3')
                    track = self._mixer.channel_strip(
                        self._sliders.index(sender))._track
            else:
                self.log('4')
                track = self.song().view.selected_track
            self.log('track=' + str(track))
            if track == master:
                display_string = 'Master'
            elif track in tracks:
                display_string = str(list(tracks).index(track) + 1)
            elif track in returns:
                display_string = str(
                    chr(ord('A') + list(returns).index(track)))
            else:
                #            raise False or AssertionError
                raise AssertionError
            display_string += ' Volume'
            self._set_string_to_display(display_string)

    def _mixer_button_value(self, value, sender):
        if not value in range(128):
            raise AssertionError
        #if self._mixer.is_enabled() and value > 0:
        if self._mixer.is_enabled():
            strip = self._mixer.channel_strip(
                self._strip_buttons.index(sender))
            #self._string_to_display = strip != None and None
            self._name_display.segment(0).set_data_source(
                strip.track_name_data_source())
            self._name_display.update()
            self._display_reset_delay = STANDARD_DISPLAY_DELAY
        else:
            self._set_string_to_display(' - ')

    def _preview_value(self, value):
        if not value in range(128):
            raise AssertionError
        for encoder in self._encoders:
            encoder.set_peek_mode(value > 0)

    def _show_current_track_name(self):
        if self._name_display != None and self._mixer != None:
            self._string_to_display = None
            self._name_display.segment(0).set_data_source(
                self._mixer.selected_strip().track_name_data_source())
            self._name_display.update()

    def _show_startup_message(self):
        self._name_display.display_message('LIVE')
        self._display_reset_delay = INITIAL_DISPLAY_DELAY

    def _set_string_to_display(self, string_to_display):
        if not isinstance(string_to_display, (str, unicode)):
            raise AssertionError
        self._name_display.segment(0).set_data_source(
            self._name_display_data_source)
        self._string_to_display = string_to_display
        self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _on_selected_track_changed(self):
        self.log('_on_selected_track_changed')
        ControlSurface._on_selected_track_changed(self)
        self._show_current_track_name()
        #all_tracks = self._has_sliders or self._session.tracks_to_use()
        all_tracks2 = self._session.tracks_to_use()
        selected_track = self.song().view.selected_track
        num_strips = self._session.width()
        if selected_track in all_tracks2:
            track_index = list(all_tracks2).index(selected_track)
            self.log('track_index ' + str(track_index))
            new_offset = track_index - track_index % num_strips
            self.log('new_offset ' + str(new_offset))
            if not new_offset / num_strips == int(new_offset / num_strips):
                raise AssertionError
            self._session.set_offsets(new_offset, self._session.scene_offset())

    def _shift_value(self, value):
        self.log("root shift handler")
        if not self._shift_button != None:
            raise AssertionError
        if not value in range(128):
            raise AssertionError
        self.log("root shift handler 2")
        self._shift_pressed = value > 0
        # calling other handlers
        self._mixer._shift_value(value)
        self._transport._shift_value(value)
        self._transport_view_modes._shift_value(value)

        #clip stop
        self.log("root shift handler 3")
        num_pads = len(PAD_TRANSLATIONS)
        pads = []
        for index in range(num_pads):
            pads.append(
                ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 60 + index))
            pads[-1].name = 'Pad_' + str(index)
            clip_slot = self._session.selected_scene().clip_slot(index)
            if self._shift_pressed:
                clip_slot.set_launch_button(None)
            else:
                clip_slot.set_launch_button(pads[index])
        if self._shift_pressed:
            self._session.set_stop_track_clip_buttons(tuple(pads))
        else:
            self._session.set_stop_track_clip_buttons(None)

        self.log("root shift handler 4")

    def log(self, message):
        pass
class Novation_Impulse2(ControlSurface):
    """ Script for Novation's Impulse keyboards """

    def __init__(self, c_instance):
        ControlSurface.__init__(self, c_instance)
        self.c_instance = c_instance
        with self.component_guard():
            self.set_pad_translations(PAD_TRANSLATIONS)
            self._device_selection_follows_track_selection = True
            self._suggested_input_port = 'Impulse'
            self._suggested_output_port = 'Impulse'
            self._has_sliders = True
            self._current_midi_map = None
            self._display_reset_delay = -1
            self._string_to_display = None
            self.shift_pressed = False
            # special alternative buttons mode. for now only mixer buttons become record buttons. later we will add something more
            self.alternative_buttons_mode = False
            self._shift_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 39)
            self._preview_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 41)
            self._master_slider = SliderElement(MIDI_CC_TYPE, 0, 8)
            self._shift_button.name = 'Shift_Button'
            self._master_slider.name = 'Master_Volume_Control'
            self._master_slider.add_value_listener(self._slider_value, identify_sender=True)
            self._preview_button.add_value_listener(self._preview_value)
            self._setup_mixer()
            self._setup_session()
            self._setup_transport()
            self._setup_device()
            self._setup_name_display()
            device_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 1, 10)
            mixer_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 1, 9)
            device_button.name = 'Encoder_Device_Mode'
            mixer_button.name = 'Encoder_Mixer_Mode'
            self._encoder_modes = EncoderModeSelector(self._device_component, self._mixer, self._next_bank_button, self._prev_bank_button, self._encoders)
            self._encoder_modes.set_device_mixer_buttons(device_button, mixer_button)
            self._shift_button.add_value_listener(self._shift_button_handler)

            for component in self.components:
                component.set_enabled(False)

    # attributes
    def alternative_buttons_mode(self):
        return self.alternative_buttons_mode

    def alternative_buttons_mode(self,value):
        self.log ('alternative_buttons_mode_value ' + str(value))
        self.alternative_buttons_mode = value

    def shift_pressed(self):
        return self.shift_pressed

    def shift_pressed(self,value):
        self.log ('shift_pressed value ' + str(value))
        self.shift_pressed = value

    def refresh_state(self):
        ControlSurface.refresh_state(self)
        self.schedule_message(3, self._send_midi, SYSEX_START + (6, 1, 1, 1, 247))

    def handle_sysex(self, midi_bytes):
        if midi_bytes[0:-2] == SYSEX_START + (7,) and midi_bytes[-2] != 0:
            self._has_sliders = midi_bytes[-2] != 25
            self.schedule_message(1, self._show_startup_message)
            for control in self.controls:
                if isinstance(control, InputControlElement):
                    control.clear_send_cache()

            for component in self.components:
                component.set_enabled(True)

            if self._has_sliders:
                self._mixer.master_strip().set_volume_control(self._master_slider)
                self._mixer.update()
            else:
                self._mixer.master_strip().set_volume_control(None)
                self._mixer.selected_strip().set_volume_control(self._master_slider)
                for index in range(len(self._sliders)):
                    self._mixer.channel_strip(index).set_volume_control(None)
                    slider = self._sliders[index]
                    slider.release_parameter()
                    if slider.value_has_listener(self._slider_value):
                        slider.remove_value_listener(self._slider_value)

            self._encoder_modes.set_provide_volume_mode(not self._has_sliders)
            self.request_rebuild_midi_map()

    def disconnect(self):
        self.log('starting disconnect 1')
        self._name_display_data_source.set_display_string('  ')
        for encoder in self._encoders:
            encoder.remove_value_listener(self._encoder_value)

        self._master_slider.remove_value_listener(self._slider_value)
        if self._has_sliders:
            for slider in tuple(self._sliders):
                slider.remove_value_listener(self._slider_value)

        for button in self._strip_buttons:
            button.remove_value_listener(self._mixer_button_value)

        self._preview_button.remove_value_listener(self._preview_value)
        self.log('starting disconnect 3')
        ControlSurface.disconnect(self)
        self.log('starting disconnect 3')
        self._encoders = None
        self._sliders = None
        self._strip_buttons = None
        self._master_slider = None
        self._current_midi_map = None
        self._name_display = None
        self._prev_bank_button = None
        self._next_bank_button = None
        self._encoder_modes = None
        self._transport_view_modes = None
        self.log('starting disconnect 4')
        self._send_midi(SYSEX_START + (6, 0, 0, 0, 247))
        self.log('starting disconnect 5')

        if self._shift_button != None:
            self._shift_button.remove_value_listener(self._shift_button_handler)
            self._shift_button = None
        self.log('starting disconnect 6')

    def build_midi_map(self, midi_map_handle):
        self._current_midi_map = midi_map_handle
        ControlSurface.build_midi_map(self, midi_map_handle)

    def update_display(self):
        ControlSurface.update_display(self)
        if self._string_to_display != None:
            self._name_display_data_source.set_display_string(self._string_to_display)
            self._string_to_display = None
        if self._display_reset_delay >= 0:
            self._display_reset_delay -= 1
            if self._display_reset_delay == -1:
                self._show_current_track_name()

    def _setup_mixer(self):
        self.log('setup mixer')
        mute_solo_flip_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 0, 34)
        self._next_nav_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 37)
        self._prev_nav_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 38)
        self._strip_buttons = []
        mute_solo_flip_button.name = 'Mute_Solo_Flip_Button'
        self._next_nav_button.name = 'Next_Track_Button'
        self._prev_nav_button.name = 'Prev_Track_Button'
        self._mixer = SpecialMixerComponent(self, 8, self.c_instance)
        self._mixer.name = 'Mixer'
        self._mixer.set_select_buttons(self._next_nav_button, self._prev_nav_button)
        self._mixer.selected_strip().name = 'Selected_Channel_Strip'
        self._mixer.master_strip().name = 'Master_Channel_Strip'
        self._mixer.master_strip().set_volume_control(self._master_slider)
        self._sliders = []
        for index in range(8):
            strip = self._mixer.channel_strip(index)
            strip.name = 'Channel_Strip_' + str(index)
            strip.set_invert_mute_feedback(True)
            self._sliders.append(SliderElement(MIDI_CC_TYPE, 0, index))
            self._sliders[-1].name = str(index) + '_Volume_Control'
            self._sliders[-1].set_feedback_delay(-1)
            self._sliders[-1].add_value_listener(self._slider_value, identify_sender=True)
            strip.set_volume_control(self._sliders[-1])
            self._strip_buttons.append(ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 9 + index))
            self._strip_buttons[-1].name = str(index) + '_Mute_Button'
            self._strip_buttons[-1].add_value_listener(self._mixer_button_value, identify_sender=True)

        self._mixer.master_strip().set_mute_button(ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 1, 17))
        self._mixer.set_strip_mute_solo_buttons(tuple(self._strip_buttons), mute_solo_flip_button)
        #self._mixer.set_shift_button(self._shift_button)
        self._mixer.updateMixerButtons()

        self._button9 = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 9 + 8)

    def _setup_session(self):
        num_pads = len(PAD_TRANSLATIONS)
        self._session = SessionComponent(8, 0)
        self._session.name = 'Session_Control'
        self._session.selected_scene().name = 'Selected_Scene'
        self._session.set_mixer(self._mixer)
        # for ableton 9.1.1 and lower
        #self._session.set_track_banking_increment(num_pads)
        #self._session.set_track_bank_buttons(ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 0, 35), ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 0, 36))
        # for ableton 9.1.1 and higher
        self._track_left_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 0, 36)
        self._track_right_button = ButtonElement(not IS_MOMENTARY, MIDI_CC_TYPE, 0, 35)
        self._session.set_page_left_button(self._track_left_button)
        self._session.set_page_right_button(self._track_right_button)

        pads = []
        for index in range(num_pads):
            pads.append(ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 60 + index))
            pads[-1].name = 'Pad_' + str(index)
            clip_slot = self._session.selected_scene().clip_slot(index)
            clip_slot.set_triggered_to_play_value(GREEN_BLINK)
            clip_slot.set_triggered_to_record_value(RED_BLINK)
            clip_slot.set_stopped_value(AMBER_FULL)
            clip_slot.set_started_value(GREEN_FULL)
            clip_slot.set_recording_value(RED_FULL)
            clip_slot.set_launch_button(pads[-1])
            clip_slot.name = str(index) + '_Selected_Clip_Slot'

    def _setup_transport(self):
        rwd_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 27)
        ffwd_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 28)
        stop_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 29)
        play_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 30)
        loop_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 31)
        rec_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 32)
        ffwd_button.name = 'FFwd_Button'
        rwd_button.name = 'Rwd_Button'
        loop_button.name = 'Loop_Button'
        play_button.name = 'Play_Button'
        stop_button.name = 'Stop_Button'
        rec_button.name = 'Record_Button'
        self._transport = ShiftableTransportComponent(self.c_instance,self._session, self, ffwd_button, rwd_button)
        self._transport.name = 'Transport'
        self._transport.set_stop_buttonOnInit(stop_button)
        self._transport.set_play_button(play_button)
        self._transport.set_record_buttonOnInit(rec_button)
#        self._transport.set_shift_button(self._shift_button)
        self._transport.set_mixer9_button(self._button9)
        self._transport_view_modes = TransportViewModeSelector(self,self.c_instance,self._transport, self._session, ffwd_button, rwd_button, loop_button)
        self._transport_view_modes.name = 'Transport_View_Modes'

    def _setup_device(self):
        encoders = []
        for index in range(8):
            encoders.append(PeekableEncoderElement(MIDI_CC_TYPE, 1, index, Live.MidiMap.MapMode.relative_binary_offset))
            encoders[-1].set_feedback_delay(-1)
            encoders[-1].add_value_listener(self._encoder_value, identify_sender=True)
            encoders[-1].name = 'Device_Control_' + str(index)

        self._encoders = tuple(encoders)
        self._prev_bank_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 1, 12)
        self._next_bank_button = ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 1, 11)
        self._prev_bank_button.name = 'Device_Bank_Down_Button'
        self._next_bank_button.name = 'Device_Bank_Up_Button'
        device = DeviceComponent()
        device.name = 'Device_Component'
        self.set_device_component(device)
        device.set_parameter_controls(self._encoders)
        device.set_bank_nav_buttons(self._prev_bank_button, self._next_bank_button)

    def _setup_name_display(self):
        self._name_display = PhysicalDisplayElement(16, 1)
        self._name_display.name = 'Display'
        self._name_display.set_message_parts(SYSEX_START + (8,), (247,))
        self._name_display_data_source = DisplayDataSource()
        self._name_display.segment(0).set_data_source(self._name_display_data_source)

    def _encoder_value(self, value, sender):
        if not sender in self._encoders:
            raise AssertionError
        if not value in range(128):
            raise AssertionError
#        display_string = self._device_component.is_enabled() and ' - '
#        display_string = sender.mapped_parameter() != None and sender.mapped_parameter().name
        display_string = ''
        if self._device_component.is_enabled():
#            display_string = sender.name
#            track = self.song().view.selected_track
#            display_string = str(list(tracks).index(track) + 1)
            pass
        if (sender.mapped_parameter() != None):
#            display_string = display_string + '-'
            display_string =  display_string + sender.mapped_parameter().name
        self._set_string_to_display(display_string)

    def _slider_value(self, value, sender):
        self.log ('_slider_value ' + str(value) + ' ' +str(sender))
        if not sender in tuple(self._sliders) + (self._master_slider,):
            raise AssertionError
        if not value in range(128):
            raise AssertionError
        if self._mixer.is_enabled():
            display_string = ' - '
            master = self.song().master_track
            tracks = self.song().tracks
            returns = self.song().return_tracks
            track = None
            if sender.mapped_parameter() != None:
                self.log ('1')
                if sender == self._master_slider:
                    self.log ('2')
#                    track = self._has_sliders and master
                    if self._has_sliders:
                        track = master
                    else:
                        self.log ('2.1')
                        track = self.song().view.selected_track
                else:
                    self.log ('3')
                    track = self._mixer.channel_strip(self._sliders.index(sender))._track
            else:
                self.log ('4')
                track = self.song().view.selected_track
            self.log('track='+str(track))
            if track == master:
                display_string  = 'Master'
            elif track in tracks:
                display_string = str(list(tracks).index(track) + 1)
            elif track in returns:
                display_string = str(chr(ord('A') + list(returns).index(track)))
            else:
#            raise False or AssertionError
                raise AssertionError
            display_string += ' Volume'
            self._set_string_to_display(display_string)

    def _mixer_button_value(self, value, sender):
        self.log ('__mixer_button_value ' + str(value) + ' ' +str(sender))
        if not value in range(128):
            raise AssertionError
        #if self._mixer.is_enabled() and value > 0:
        if self._mixer.is_enabled():
            strip = self._mixer.channel_strip(self._strip_buttons.index(sender))
            #self._string_to_display = strip != None and None
            self._name_display.segment(0).set_data_source(strip.track_name_data_source())
            self._name_display.update()
            self._display_reset_delay = STANDARD_DISPLAY_DELAY
        else:
            self._set_string_to_display(' - ')
        # if shift_pressed XOR alternative_mode
        if self.shift_pressed <> self.alternative_buttons_mode:
            self.log("_mixer_button_value")
            self.log(str(value))
            if (value == 0):
                self.select_armed_track_if_only_one()

    def select_armed_track_if_only_one(self):
        self.log("select_armed_track_if_only_one")
        song = self.song()
        armed_tracks = []
        tracks = song.tracks
        self.log("select_armed_track_if_only_one 2")
        for track in tracks:
            if track.can_be_armed and track.arm:
                armed_tracks.append(track)
        self.log(str(len(armed_tracks)))
        if (len(armed_tracks) == 1):
            self.log("selecting the track")
            sel_track = armed_tracks[0]
            self.song().view.selected_track = sel_track
            self._mixer._selected_tracks = []
            self._mixer._selected_tracks.append(sel_track)
            self._mixer.on_selected_track_changed()

    def _preview_value(self, value):
        if not value in range(128):
            raise AssertionError
        for encoder in self._encoders:
            encoder.set_peek_mode(value > 0)

    def _show_current_track_name(self):
        if self._name_display != None and self._mixer != None:
            self._string_to_display = None
            self._name_display.segment(0).set_data_source(self._mixer.selected_strip().track_name_data_source())
            self._name_display.update()

    def _show_startup_message(self):
        self._name_display.display_message('LIVE')
        self._display_reset_delay = INITIAL_DISPLAY_DELAY

    def _set_string_to_display(self, string_to_display):
        if not isinstance(string_to_display, (str, unicode)):
            raise AssertionError
        self._name_display.segment(0).set_data_source(self._name_display_data_source)
        self._string_to_display = string_to_display
        self._display_reset_delay = STANDARD_DISPLAY_DELAY

    def _on_selected_track_changed(self):
        self.log('_on_selected_track_changed')
        ControlSurface._on_selected_track_changed(self)
        self._show_current_track_name()
        #all_tracks = self._has_sliders or self._session.tracks_to_use()
        all_tracks2 = self._session.tracks_to_use()
        selected_track = self.song().view.selected_track
        num_strips = self._session.width()
        if selected_track in all_tracks2:
            track_index = list(all_tracks2).index(selected_track)
            self.log('track_index '+ str(track_index))
            new_offset = track_index - track_index % num_strips
            self.log('new_offset '+ str(new_offset))
            if not new_offset / num_strips == int(new_offset / num_strips):
                raise AssertionError
            self._session.set_offsets(new_offset, self._session.scene_offset())


    def _shift_button_handler(self, value):
        self.log("root shift handler : "+ str(value))
        if not self._shift_button != None:
            raise AssertionError
        if not value in range(128):
            raise AssertionError
        self.log("root shift handler 2")
        self.shift_pressed = value > 0
# calling other handlers
        self._mixer._shift_button_handler(value)
        self._transport._shift_button_handler(value)
        self._transport_view_modes._shift_button_handler(value)

#clip stop
        self.log("root shift handler 3")
        num_pads = len(PAD_TRANSLATIONS)
        pads = []
        for index in range(num_pads):
            pads.append(ButtonElement(IS_MOMENTARY, MIDI_CC_TYPE, 0, 60 + index))
            pads[-1].name = 'Pad_' + str(index)
            clip_slot = self._session.selected_scene().clip_slot(index)
            if self.shift_pressed:
                clip_slot.set_launch_button(None)
            else:
                clip_slot.set_launch_button(pads[index])
        if self.shift_pressed:
            self._session.set_stop_track_clip_buttons(tuple(pads))
        else:
            self._session.set_stop_track_clip_buttons(None)

        self.log("root shift handler 4")

    def flipAlternativeButtonMode(self):
        self.alternative_buttons_mode = not self.alternative_buttons_mode
        self.updateAlternativeButtonMode()

    def updateAlternativeButtonMode(self):
        self._mixer.updateMixerButtons()
        self._transport_view_modes.update()

    def log(self, message):
        pass