lib/python/Screens/MessageBox.py

   1 from Screen import Screen
   2 from Components.ActionMap import ActionMap
   3 from Components.Label import Label
   4 from Components.Pixmap import Pixmap
   5 from Components.Sources.StaticText import StaticText
   6 from Components.MenuList import MenuList
   7 from enigma import eTimer
   8
   9 class MessageBox(Screen):
  10         TYPE_YESNO = 0
  11         TYPE_INFO = 1
  12         TYPE_WARNING = 2
  13         TYPE_ERROR = 3
  14
  15         def __init__(self, session, text, type = TYPE_YESNO, timeout = -1, close_on_any_key = False, default = True):
  16                 self.type = type
  17                 Screen.__init__(self, session)
  18
  19                 self["text"] = Label(text)
  20                 self["Text"] = StaticText(text)
  21                 self["selectedChoice"] = StaticText()
  22
  23                 self.text = text
  24                 self.close_on_any_key = close_on_any_key
  25
  26                 self["ErrorPixmap"] = Pixmap()
  27                 self["QuestionPixmap"] = Pixmap()
  28                 self["InfoPixmap"] = Pixmap()
  29                 self.timerRunning = False
  30                 self.initTimeout(timeout)
  31
  32                 self.list = []
  33                 if type != self.TYPE_ERROR:
  34                         self["ErrorPixmap"].hide()
  35                 if type != self.TYPE_YESNO:
  36                         self["QuestionPixmap"].hide()
  37                 if type != self.TYPE_INFO:
  38                         self["InfoPixmap"].hide()
  39
  40                 if type == self.TYPE_YESNO:
  41                         if default == True:
  42                                 self.list = [ (_("yes"), 0), (_("no"), 1) ]
  43                         else:
  44                                 self.list = [ (_("no"), 1), (_("yes"), 0) ]
  45
  46                 if len(self.list):
  47                         self["selectedChoice"].setText(self.list[0][0])
  48                 self["list"] = MenuList(self.list)
  49
  50                 self["actions"] = ActionMap(["MsgBoxActions", "DirectionActions"],
  51                         {
  52                                 "cancel": self.cancel,
  53                                 "ok": self.ok,
  54                                 "alwaysOK": self.alwaysOK,
  55                                 "up": self.up,
  56                                 "down": self.down,
  57                                 "left": self.left,
  58                                 "right": self.right,
  59                                 "upRepeated": self.up,
  60                                 "downRepeated": self.down,
  61                                 "leftRepeated": self.left,
  62                                 "rightRepeated": self.right
  63                         }, -1)
  64
  65         def initTimeout(self, timeout):
  66                 self.timeout = timeout
  67                 if timeout > 0:
  68                         self.timer = eTimer()
  69                         self.timer.callback.append(self.timerTick)
  70                         self.onExecBegin.append(self.startTimer)
  71                         self.origTitle = None
  72                         if self.execing:
  73                                 self.timerTick()
  74                         else:
  75                                 self.onShown.append(self.__onShown)
  76                         self.timerRunning = True
  77                 else:
  78                         self.timerRunning = False
  79
  80         def __onShown(self):
  81                 self.onShown.remove(self.__onShown)
  82                 self.timerTick()
  83
  84         def startTimer(self):
  85                 self.timer.start(1000)
  86
  87         def stopTimer(self):
  88                 if self.timerRunning:
  89                         del self.timer
  90                         self.setTitle(self.origTitle)
  91                         self.timerRunning = False
  92
  93         def timerTick(self):
  94                 if self.execing:
  95                         self.timeout -= 1
  96                         if self.origTitle is None:
  97                                 self.origTitle = self.instance.getTitle()
  98                         self.setTitle(self.origTitle + " (" + str(self.timeout) + ")")
  99                         if self.timeout == 0:
 100                                 self.timer.stop()
 101                                 self.timerRunning = False
 102                                 self.timeoutCallback()
 103
 104         def timeoutCallback(self):
 105                 print "Timeout!"
 106                 self.ok()
 107
 108         def cancel(self):
 109                 self.close(False)
 110
 111         def ok(self):
 112                 if self.type == self.TYPE_YESNO:
 113                         self.close(self["list"].getCurrent()[1] == 0)
 114                 else:
 115                         self.close(True)
 116
 117         def alwaysOK(self):
 118                 self.close(True)
 119
 120         def up(self):
 121                 self.move(self["list"].instance.moveUp)
 122
 123         def down(self):
 124                 self.move(self["list"].instance.moveDown)
 125
 126         def left(self):
 127                 self.move(self["list"].instance.pageUp)
 128
 129         def right(self):
 130                 self.move(self["list"].instance.pageDown)
 131
 132         def move(self, direction):
 133                 if self.close_on_any_key:
 134                         self.close(True)
 135                 self["list"].instance.moveSelection(direction)
 136                 if len(self.list):
 137                         self["selectedChoice"].setText(self["list"].getCurrent()[0])
 138                 self.stopTimer()
 139
 140         def __repr__(self):
 141                 return str(type(self)) + "(" + self.text + ")"