lib/python/Components/PerServiceDisplay.py

   1 from GUIComponent import *
   2 from VariableText import *
   3
   4 from enigma import pNavigation
   5 from enigma import eLabel
   6
   7 class PerServiceDisplay(GUIComponent, VariableText):
   8         """Mixin for building components which display something which changes on navigation events, for example "service name" """
   9
  10         def __init__(self, navcore, eventmap):
  11                 GUIComponent.__init__(self)
  12                 VariableText.__init__(self)
  13                 self.eventmap = eventmap
  14                 self.navcore = navcore
  15                 self.navcore.event.append(self.event)
  16
  17                 # start with stopped state, so simulate that
  18                 self.event(pNavigation.evStopService)
  19
  20         def event(self, ev):
  21                 # loop up if we need to handle this event
  22                 if self.eventmap.has_key(ev):
  23                         # call handler
  24                         self.eventmap[ev]()
  25
  26         def createWidget(self, parent):
  27                 # by default, we use a label to display our data.
  28                 g = eLabel(parent)
  29                 return g
  30