def __init__( self ):
# The list of virtual pages of controllers
# Pages are instances of the NocturnPage class
self.pages = []
self.observers = []
self.activePage = None
self.hardware = NocturnHardware()
self.permaBar = PermaBar( self )
class NocturnModel( object ):
"""Contains current state of a virtual representation of the Nocturn."""
# The Nocturn doesn't (as far as I know) have an internal representation of
# the state of its controllers.
def __init__( self ):
# The list of virtual pages of controllers
# Pages are instances of the NocturnPage class
self.pages = []
self.observers = []
self.activePage = None
self.hardware = NocturnHardware()
self.permaBar = PermaBar( self )
def addPage( self, page ):
activate = False
if self.pages == []:
activate = True
self.pages.append( page )
if activate:
self.setActivePage(0)
activate = False
def delPage( self, page ):
pass
def incPage( self, inc ):
"""Increments the active page by inc"""
page = self.activePage + inc
if page < len( self.pages ) and page >= 0:
self.setActivePage( page )
return ( self.activePage == len( self.pages ) - 1 )
def getPage( self, page ):
return self.pages[page]
def getActivePage( self ):
"""Returns pointer to actual active page, not just number"""
return self.pages[self.activePage]
def setActivePage( self, page ):
self.activePage = page
self.getActivePage().setAllChanged()
self.notifyObservers()
def getNumPages( self ):
return len(self.pages)
def getValue( self, page, controller ):
return self.pages[page].getController( controller ).getValue()
def registerObserver( self, observer ):
self.observers.append( observer )
# Observers must have notify(), which is called by NocturnModel when
# its state changes
def notifyObservers( self ):
self.update()
for obs in self.observers:
obs.notify()
def set( self, page, controller, value ):
theController = self.pages[page].getController(controller)
theController.set(value)
def setPerma( self, controller, value ):
theController = self.permaBar.getController( controller )
theController.set( value )
def getPerma( self ):
return self.permaBar
def setAction( self, page, controller, action ):
self.getPage( page ).getControllers()[ controller ].setAction( action )
def setPermaAction( self, perma, action ):
self.permaBar.getControllers()[ perma ].setAction( action )
def update( self ):
"""Updates the hardware lights with stored values, but only sends
codes if NocturnController.isChanged()"""
for cc in self.getActivePage().getEncoders():
if cc.isChanged():
val = cc.getValue()
try:
self.hardware.setLEDRingValue( cc.getNumber(), val )
except Exception as e:
sys.exit(e)
cc.notifyDone()
for cc in self.getActivePage().getButtons():
if cc.isChanged():
val = cc.getValue()
try:
self.hardware.setButton( cc.getNumber(), val )
except Exception as e:
sys.exit(e)
cc.notifyDone()
for cc in self.permaBar.getButtons():
if cc.isChanged():
val = cc.getValue()
try:
self.hardware.setButton( cc.getNumber() + 8, val )
except Exception as e:
print str(e)
cc.notifyDone()
for cc in self.permaBar.getEncoders():
if cc.isChanged():
val = cc.getValue()
try:
self.hardware.setLEDRingValue( cc.getNumber(), val )
except Exception as e:
print str(e)
cc.notifyDone()
def poll( self ):
"""Read from hardware, once. Simply returns if there is no data. Data
truncated to one message. If messages are piling up, you're doing it
wrong."""
data = self.hardware.processedRead()
if data is None:
return
mappedController = self.getActivePage().hwMap.get( data[0] )
if mappedController:
pass
else:
mappedController = self.permaBar.hwMap.get( data[0] )
if mappedController:
mappedController.act( data[1] )
def disconnect( self ):
self.hardware.clearAll()
