lib/python/Components/ConditionalWidget.py

   1 import skin
   2 from GUIComponent import *
   3
   4 from enigma import *
   5
   6 class Widget(GUIComponent):
   7         def __init__(self):
   8                 GUIComponent.__init__(self)
   9
  10         def GUIcreate(self, parent):
  11                 self.instance = self.createWidget(parent)
  12                 if self.state == self.HIDDEN:
  13                         self.instance.hide()
  14
  15         def GUIdelete(self):
  16                 self.removeWidget(self.instance)
  17                 self.instance = None
  18
  19         def removeWidget(self, w):
  20                 pass
  21
  22         def move(self, x, y):
  23                 self.instance.move(ePoint(int(x), int(y)))
  24
  25 class ConditionalWidget(Widget):
  26         def __init__(self, withTimer = True):
  27                 Widget.__init__(self)
  28
  29                 self.setConnect(None)
  30
  31                 if (withTimer):
  32                         self.conditionCheckTimer = eTimer()
  33                         self.conditionCheckTimer.timeout.get().append(self.update)
  34                         self.conditionCheckTimer.start(1000)
  35
  36         def setConnect(self, conditionalFunction):
  37                 self.conditionalFunction = conditionalFunction
  38
  39         def activateCondition(self, condition):
  40                 if (condition):
  41                         if self.state == self.HIDDEN:
  42                                 self.show()
  43                 else:
  44                         if self.state == self.SHOWN:
  45                                 self.hide()
  46
  47         def update(self):
  48                 if (self.conditionalFunction != None):
  49                         try:
  50                                 self.conditionalFunction() # check, if the conditionalfunction is still valid
  51                                 self.activateCondition(self.conditionalFunction())
  52                         except:
  53                                 self.conditionalFunction = None
  54                                 self.activateCondition(False)
  55
  56 import time
  57
  58 class BlinkingWidget(Widget):
  59         def __init__(self):
  60                 Widget.__init__(self)
  61
  62                 self.blinking = True
  63
  64                 self.setBlinkTime(500)
  65
  66                 self.timer = eTimer()
  67                 self.timer.timeout.get().append(self.blink)
  68
  69         def setBlinkTime(self, time):
  70                 self.blinktime = time
  71
  72         def blink(self):
  73                 if self.blinking == True:
  74                         if self.state == self.SHOWN:
  75                                 self.hide()
  76                         elif self.state == self.HIDDEN:
  77                                 self.show()
  78
  79         def startBlinking(self):
  80                 self.blinking = True
  81                 self.timer.start(self.blinktime)
  82
  83         def stopBlinking(self):
  84                 self.blinking = False
  85                 if self.state == self.SHOWN:
  86                         self.hide()
  87                 self.timer.stop()
  88
  89 class BlinkingWidgetConditional(BlinkingWidget, ConditionalWidget):
  90         def __init__(self):
  91                 BlinkingWidget.__init__(self)
  92                 ConditionalWidget.__init__(self)
  93
  94         def activateCondition(self, condition):
  95                 if (condition):
  96                         if not self.blinking: # we are already blinking
  97                                 self.startBlinking()
  98                 else:
  99                         if self.blinking: # we are blinking
 100                                 self.stopBlinking()