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.Button import Button
   5 from Components.Pixmap import Pixmap
   6 from Components.MenuList import MenuList
   7 from enigma import eSize, ePoint, 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):
  16                 self.type = type
  17                 Screen.__init__(self, session)
  18
  19                 self["text"] = Label(text)
  20
  21                 self.text = text
  22                 self.close_on_any_key = close_on_any_key
  23
  24                 self["ErrorPixmap"] = Pixmap()
  25                 self["QuestionPixmap"] = Pixmap()
  26                 self["InfoPixmap"] = Pixmap()
  27                 self.timerRunning = False
  28                 if timeout > 0:
  29                         self.timer = eTimer()
  30                         self.timer.timeout.get().append(self.timerTick)
  31                         self.onExecBegin.append(self.startTimer)
  32                         self.origTitle = None
  33                         self.onShown.append(self.timerTick)
  34                         self.timerRunning = True
  35                 self.timeout = timeout
  36
  37                 self.list = []
  38                 if type != self.TYPE_ERROR:
  39                         self["ErrorPixmap"].hide()
  40                 if type != self.TYPE_YESNO:
  41                         self["QuestionPixmap"].hide()
  42                 if type != self.TYPE_INFO:
  43                         self["InfoPixmap"].hide()
  44
  45                 if type == self.TYPE_YESNO:
  46                         self.list = [ (_("yes"), 0), (_("no"), 1) ]
  47
  48
  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 startTimer(self):
  67                 self.timer.start(1000)
  68
  69         def timerTick(self):
  70                 if self.execing:
  71                         self.timeout -= 1
  72                         if self.origTitle is None:
  73                                 self.origTitle = self.instance.getTitle()
  74                         self.setTitle(self.origTitle + " (" + str(self.timeout) + ")")
  75                         if self.timeout == 0:
  76                                 self.timer.stop()
  77                                 self.timerRunning = False
  78                                 self.timeoutCallback()
  79
  80         def timeoutCallback(self):
  81                 print "Timeout!"
  82                 self.ok()
  83
  84         def cancel(self):
  85                 self.close(False)
  86
  87         def ok(self):
  88                 if self.type == self.TYPE_YESNO:
  89                         self.close(self["list"].getCurrent()[1] == 0)
  90                 else:
  91                         self.close(True)
  92
  93         def alwaysOK(self):
  94                 self.close(True)
  95
  96         def up(self):
  97                 self.move(self["list"].instance.moveUp)
  98
  99         def down(self):
 100                 self.move(self["list"].instance.moveDown)
 101
 102         def left(self):
 103                 self.move(self["list"].instance.pageUp)
 104
 105         def right(self):
 106                 self.move(self["list"].instance.pageDown)
 107
 108         def move(self, direction):
 109                 if self.close_on_any_key:
 110                         self.close(True)
 111
 112                 self["list"].instance.moveSelection(direction)
 113                 if self.timerRunning:
 114                         self.timer.stop()
 115                         self.setTitle(self.origTitle)
 116                         self.timerRunning = False
 117
 118         def __repr__(self):
 119                 return str(type(self)) + "(" + self.text + ")"