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, enable_input = True, msgBoxID = None):
  16                 self.type = type
  17                 Screen.__init__(self, session)
  18
  19                 self.msgBoxID = msgBoxID
  20
  21                 self["text"] = Label(text)
  22                 self["Text"] = StaticText(text)
  23                 self["selectedChoice"] = StaticText()
  24
  25                 self.text = text
  26                 self.close_on_any_key = close_on_any_key
  27
  28                 self["ErrorPixmap"] = Pixmap()
  29                 self["QuestionPixmap"] = Pixmap()
  30                 self["InfoPixmap"] = Pixmap()
  31                 self.timerRunning = False
  32                 self.initTimeout(timeout)
  33
  34                 self.list = []
  35                 if type != self.TYPE_ERROR:
  36                         self["ErrorPixmap"].hide()
  37                 if type != self.TYPE_YESNO:
  38                         self["QuestionPixmap"].hide()
  39                 if type != self.TYPE_INFO:
  40                         self["InfoPixmap"].hide()
  41
  42                 if type == self.TYPE_YESNO:
  43                         if default == True:
  44                                 self.list = [ (_("yes"), 0), (_("no"), 1) ]
  45                         else:
  46                                 self.list = [ (_("no"), 1), (_("yes"), 0) ]
  47
  48                 if self.list:
  49                         self["selectedChoice"].setText(self.list[0][0])
  50                 self["list"] = MenuList(self.list)
  51
  52                 if enable_input:
  53                         self["actions"] = ActionMap(["MsgBoxActions", "DirectionActions"],
  54                                 {
  55                                         "cancel": self.cancel,
  56                                         "ok": self.ok,
  57                                         "alwaysOK": self.alwaysOK,
  58                                         "up": self.up,
  59                                         "down": self.down,
  60                                         "left": self.left,
  61                                         "right": self.right,
  62                                         "upRepeated": self.up,
  63                                         "downRepeated": self.down,
  64                                         "leftRepeated": self.left,
  65                                         "rightRepeated": self.right
  66                                 }, -1)
  67
  68         def initTimeout(self, timeout):
  69                 self.timeout = timeout
  70                 if timeout > 0:
  71                         self.timer = eTimer()
  72                         self.timer.callback.append(self.timerTick)
  73                         self.onExecBegin.append(self.startTimer)
  74                         self.origTitle = None
  75                         if self.execing:
  76                                 self.timerTick()
  77                         else:
  78                                 self.onShown.append(self.__onShown)
  79                         self.timerRunning = True
  80                 else:
  81                         self.timerRunning = False
  82
  83         def __onShown(self):
  84                 self.onShown.remove(self.__onShown)
  85                 self.timerTick()
  86
  87         def startTimer(self):
  88                 self.timer.start(1000)
  89
  90         def stopTimer(self):
  91                 if self.timerRunning:
  92                         del self.timer
  93                         self.onExecBegin.remove(self.startTimer)
  94                         self.setTitle(self.origTitle)
  95                         self.timerRunning = False
  96
  97         def timerTick(self):
  98                 if self.execing:
  99                         self.timeout -= 1
 100                         if self.origTitle is None:
 101                                 self.origTitle = self.instance.getTitle()
 102                         self.setTitle(self.origTitle + " (" + str(self.timeout) + ")")
 103                         if self.timeout == 0:
 104                                 self.timer.stop()
 105                                 self.timerRunning = False
 106                                 self.timeoutCallback()
 107
 108         def timeoutCallback(self):
 109                 print "Timeout!"
 110                 self.ok()
 111
 112         def cancel(self):
 113                 self.close(False)
 114
 115         def ok(self):
 116                 if self.type == self.TYPE_YESNO:
 117                         self.close(self["list"].getCurrent()[1] == 0)
 118                 else:
 119                         self.close(True)
 120
 121         def alwaysOK(self):
 122                 self.close(True)
 123
 124         def up(self):
 125                 self.move(self["list"].instance.moveUp)
 126
 127         def down(self):
 128                 self.move(self["list"].instance.moveDown)
 129
 130         def left(self):
 131                 self.move(self["list"].instance.pageUp)
 132
 133         def right(self):
 134                 self.move(self["list"].instance.pageDown)
 135
 136         def move(self, direction):
 137                 if self.close_on_any_key:
 138                         self.close(True)
 139                 self["list"].instance.moveSelection(direction)
 140                 if self.list:
 141                         self["selectedChoice"].setText(self["list"].getCurrent()[0])
 142                 self.stopTimer()
 143
 144         def __repr__(self):
 145                 return str(type(self)) + "(" + self.text + ")"