Source Code for Module _Framework.ControlElement

 1  #Embedded file name: /Users/versonator/Hudson/live/Projects/AppLive/Resources/MIDI Remote Scripts/_Framework/ControlElement.py 
 2  from Resource import StackingResource 
 3  from Util import lazy_attribute 
 4  from Disconnectable import Disconnectable 
 5  from Dependency import depends 
 6  import Task 
 7   
 8 -class ControlElement(Disconnectable): 
 9      """ 
10      Base class for all classes representing control elements on a 
11      control surface 
12      """ 
13      canonical_parent = None 
14      name = '' 
15      optimized_send_midi = True 
16      _has_resource = False 
17      _resource_type = StackingResource 
18      _has_task_group = False 
19   
20      @depends(send_midi=None, register_control=None) 
21 -    def __init__(self, name = '', resource_type = None, optimized_send_midi = None, send_midi = None, register_control = None, *a, **k): 
22          super(ControlElement, self).__init__(*a, **k) 
23          self._send_midi = send_midi 
24          self.name = name 
25          if resource_type is not None: 
26              self._resource_type = resource_type 
27          if optimized_send_midi is not None: 
28              self.optimized_send_midi = optimized_send_midi 
29          register_control(self) 
30   
31 -    def disconnect(self): 
32          self.reset() 
33          super(ControlElement, self).disconnect() 
34   
35 -    def send_midi(self, message): 
36          raise message != None or AssertionError 
37          return self._send_midi(message, optimized=self.optimized_send_midi) 
38   
39 -    def clear_send_cache(self): 
40          pass 
41   
42 -    def reset(self): 
43          raise NotImplementedError 
44   
45      @property 
46 -    def resource(self): 
47          return self._resource 
48   
49      @lazy_attribute 
50 -    def _resource(self): 
51          self._has_resource = True 
52          return self._resource_type(self._on_grab_resource, self._on_release_resource) 
53   
54      @lazy_attribute 
55      @depends(parent_task_group=Task.TaskGroup) 
56 -    def _tasks(self, parent_task_group = None): 
57          tasks = parent_task_group.add(Task.TaskGroup()) 
58          self._has_task_group = True 
59          return tasks 
60   
61 -    def _on_grab_resource(self, client, *a, **k): 
62          client.set_control_element(self, True) 
63   
64 -    def _on_release_resource(self, client): 
65          client.set_control_element(self, False) 
66