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