Source Code for Module _Framework.DeviceBankRegistry

 1  #Embedded file name: /Users/versonator/Hudson/live/Projects/AppLive/Resources/MIDI Remote Scripts/_Framework/DeviceBankRegistry.py 
 2  """ 
 3  Classes to keep a global registry of the currently selected bank for 
 4  given device instances. 
 5   
 6  [jbo] After some though about this, I personally believe that moving 
 7  banking to the C++ code is the best mid-term solution. 
 8  """ 
 9  from SubjectSlot import Subject 
10   
11 -class DeviceBankRegistry(Subject): 
12      __subject_events__ = ('device_bank',) 
13   
14 -    def __init__(self, *a, **k): 
15          super(DeviceBankRegistry, self).__init__(*a, **k) 
16          self._device_bank_registry = {} 
17          self._device_bank_listeners = [] 
18   
19 -    def compact_registry(self): 
20          newreg = dict(filter(lambda (k, _): k != None, self._device_bank_registry.items())) 
21          self._device_bank_registry = newreg 
22   
23 -    def set_device_bank(self, device, bank): 
24          if not self._find_device_bank_key(device): 
25              key = device 
26              old = self._device_bank_registry[key] if key in self._device_bank_registry else 0 
27              self._device_bank_registry[key] = old != bank and bank 
28              self.notify_device_bank(device, bank) 
29   
30 -    def get_device_bank(self, device): 
31          return self._device_bank_registry.get(self._find_device_bank_key(device), 0) 
32   
33 -    def _find_device_bank_key(self, device): 
34          for k in self._device_bank_registry.iterkeys(): 
35              if k == device: 
36                  return k 
37