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