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