code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Components/Converter/ConditionalShowHide.py

   1 from enigma import eTimer
   2 from Converter import Converter
   3
   4 class ConditionalShowHide(Converter, object):
   5         def __init__(self, argstr):
   6                 Converter.__init__(self, type)
   7                 args = argstr.split(',')
   8                 self.invert = "Invert" in args
   9                 self.blink = "Blink" in args
  10                 if self.blink:
  11                         self.blinktime = 500
  12                         self.timer = eTimer()
  13                         self.timer.timeout.get().append(self.blinkFunc)
  14
  15         def blinkFunc(self):
  16                 if self.blinking == True:
  17                         for x in self.downstream_elements:
  18                                 x.visible = not x.visible
  19
  20         def startBlinking(self):
  21                 self.blinking = True
  22                 self.timer.start(self.blinktime)
  23
  24         def stopBlinking(self):
  25                 self.blinking = False
  26                 for x in self.downstream_elements:
  27                         if x.visible:
  28                                 x.hide()
  29                 self.timer.stop()
  30
  31         def calcVisibility(self):
  32                 b = self.source.boolean
  33                 if b is None:
  34                         return True
  35                 b ^= self.invert
  36                 return b
  37
  38         def changed(self, what):
  39                 vis = self.calcVisibility()
  40                 if self.blink:
  41                         if vis:
  42                                 self.startBlinking()
  43                         else:
  44                                 self.stopBlinking()
  45                 else:
  46                         for x in self.downstream_elements:
  47                                 x.visible = vis
  48
  49         def connectDownstream(self, downstream):
  50                 Converter.connectDownstream(self, downstream)
  51                 vis = self.calcVisibility()
  52                 if self.blink:
  53                         if vis:
  54                                 self.startBlinking()
  55                         else:
  56                                 self.stopBlinking()
  57                 else:
  58                         downstream.visible = self.calcVisibility()