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):
  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 self.list:
  47                         self["selectedChoice"].setText(self.list[0][0])
  48                 self["list"] = MenuList(self.list)
  49
  50                 if enable_input:
  51                         self["actions"] = ActionMap(["MsgBoxActions", "DirectionActions"],
  52                                 {
  53                                         "cancel": self.cancel,
  54                                         "ok": self.ok,
  55                                         "alwaysOK": self.alwaysOK,
  56                                         "up": self.up,
  57                                         "down": self.down,
  58                                         "left": self.left,
  59                                         "right": self.right,
  60                                         "upRepeated": self.up,
  61                                         "downRepeated": self.down,
  62                                         "leftRepeated": self.left,
  63                                         "rightRepeated": self.right
  64                                 }, -1)
  65
  66         def initTimeout(self, timeout):
  67                 self.timeout = timeout
  68                 if timeout > 0:
  69                         self.timer = eTimer()
  70                         self.timer.callback.append(self.timerTick)
  71                         self.onExecBegin.append(self.startTimer)
  72                         self.origTitle = None
  73                         if self.execing:
  74                                 self.timerTick()
  75                         else:
  76                                 self.onShown.append(self.__onShown)
  77                         self.timerRunning = True
  78                 else:
  79                         self.timerRunning = False
  80
  81         def __onShown(self):
  82                 self.onShown.remove(self.__onShown)
  83                 self.timerTick()
  84
  85         def startTimer(self):
  86                 self.timer.start(1000)
  87
  88         def stopTimer(self):
  89                 if self.timerRunning:
  90                         del self.timer
  91                         self.onExecBegin.remove(self.startTimer)
  92                         self.setTitle(self.origTitle)
  93                         self.timerRunning = False
  94
  95         def timerTick(self):
  96                 if self.execing:
  97                         self.timeout -= 1
  98                         if self.origTitle is None:
  99                                 self.origTitle = self.instance.getTitle()
 100                         self.setTitle(self.origTitle + " (" + str(self.timeout) + ")")
 101                         if self.timeout == 0:
 102                                 self.timer.stop()
 103                                 self.timerRunning = False
 104                                 self.timeoutCallback()
 105
 106         def timeoutCallback(self):
 107                 print "Timeout!"
 108                 self.ok()
 109
 110         def cancel(self):
 111                 self.close(False)
 112
 113         def ok(self):
 114                 if self.type == self.TYPE_YESNO:
 115                         self.close(self["list"].getCurrent()[1] == 0)
 116                 else:
 117                         self.close(True)
 118
 119         def alwaysOK(self):
 120                 self.close(True)
 121
 122         def up(self):
 123                 self.move(self["list"].instance.moveUp)
 124
 125         def down(self):
 126                 self.move(self["list"].instance.moveDown)
 127
 128         def left(self):
 129                 self.move(self["list"].instance.pageUp)
 130
 131         def right(self):
 132                 self.move(self["list"].instance.pageDown)
 133
 134         def move(self, direction):
 135                 if self.close_on_any_key:
 136                         self.close(True)
 137                 self["list"].instance.moveSelection(direction)
 138                 if self.list:
 139                         self["selectedChoice"].setText(self["list"].getCurrent()[0])
 140                 self.stopTimer()
 141
 142         def __repr__(self):
 143                 return str(type(self)) + "(" + self.text + ")"