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 Components.Sources.StaticText import StaticText
   8 from enigma import eTimer
   9
  10 class MessageBox(Screen):
  11         TYPE_YESNO = 0
  12         TYPE_INFO = 1
  13         TYPE_WARNING = 2
  14         TYPE_ERROR = 3
  15
  16         def __init__(self, session, text, type = TYPE_YESNO, timeout = -1, close_on_any_key = False, default = True):
  17                 self.type = type
  18                 Screen.__init__(self, session)
  19
  20                 self["text"] = Label(text)
  21                 self["Text"] = StaticText(text)
  22                 self["selectedChoice"] = StaticText()
  23
  24                 self.text = text
  25                 self.close_on_any_key = close_on_any_key
  26
  27                 self["ErrorPixmap"] = Pixmap()
  28                 self["QuestionPixmap"] = Pixmap()
  29                 self["InfoPixmap"] = Pixmap()
  30                 self.timerRunning = False
  31                 self.initTimeout(timeout)
  32
  33                 self.list = []
  34                 if type != self.TYPE_ERROR:
  35                         self["ErrorPixmap"].hide()
  36                 if type != self.TYPE_YESNO:
  37                         self["QuestionPixmap"].hide()
  38                 if type != self.TYPE_INFO:
  39                         self["InfoPixmap"].hide()
  40
  41                 if type == self.TYPE_YESNO:
  42                         if default == True:
  43                                 self.list = [ (_("yes"), 0), (_("no"), 1) ]
  44                         else:
  45                                 self.list = [ (_("no"), 1), (_("yes"), 0) ]
  46
  47                 if len(self.list):
  48                         self["selectedChoice"].setText(self.list[0][0])
  49                 self["list"] = MenuList(self.list)
  50
  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.setTitle(self.origTitle)
  92                         self.timerRunning = False
  93
  94         def timerTick(self):
  95                 if self.execing:
  96                         self.timeout -= 1
  97                         if self.origTitle is None:
  98                                 self.origTitle = self.instance.getTitle()
  99                         self.setTitle(self.origTitle + " (" + str(self.timeout) + ")")
 100                         if self.timeout == 0:
 101                                 self.timer.stop()
 102                                 self.timerRunning = False
 103                                 self.timeoutCallback()
 104
 105         def timeoutCallback(self):
 106                 print "Timeout!"
 107                 self.ok()
 108
 109         def cancel(self):
 110                 self.close(False)
 111
 112         def ok(self):
 113                 if self.type == self.TYPE_YESNO:
 114                         self.close(self["list"].getCurrent()[1] == 0)
 115                 else:
 116                         self.close(True)
 117
 118         def alwaysOK(self):
 119                 self.close(True)
 120
 121         def up(self):
 122                 self.move(self["list"].instance.moveUp)
 123
 124         def down(self):
 125                 self.move(self["list"].instance.moveDown)
 126
 127         def left(self):
 128                 self.move(self["list"].instance.pageUp)
 129
 130         def right(self):
 131                 self.move(self["list"].instance.pageDown)
 132
 133         def move(self, direction):
 134                 if self.close_on_any_key:
 135                         self.close(True)
 136                 self["list"].instance.moveSelection(direction)
 137                 if len(self.list):
 138                         self["selectedChoice"].setText(self["list"].getCurrent()[0])
 139                 self.stopTimer()
 140
 141         def __repr__(self):
 142                 return str(type(self)) + "(" + self.text + ")"