code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Screens/HelpMenu.py

   1 from Screen import Screen
   2
   3 from Components.Pixmap import *
   4 from Components.Pixmap import Pixmap
   5 from Components.Pixmap import MovingPixmap
   6 from Components.Label import Label
   7 from Components.Slider import Slider
   8 from Components.ActionMap import ActionMap
   9 from Components.HelpMenuList import HelpMenuList
  10 import string
  11 from xml.sax import make_parser
  12 from xml.sax.handler import ContentHandler
  13 from Components.MenuList import MenuList
  14
  15 class HelpMenu(Screen):
  16         def __init__(self, session, list):
  17                 Screen.__init__(self, session)
  18                 self.onSelChanged = [ ]
  19                 self["list"] = HelpMenuList(list, self.close)
  20                 self["list"].onSelChanged.append(self.SelectionChanged)
  21                 self["rc"] = Pixmap()
  22                 self["arrowup"] = MovingPixmap()
  23                 self["arrowup"].hide()
  24                 self["sh_arrowup"] = Pixmap()
  25                 self["sh_arrowup"].hide()
  26                 self["long_key"] = Label("")
  27
  28                 self["actions"] = ActionMap(["WizardActions"],
  29                 {
  30                         "ok": self["list"].ok,
  31                         "back": self.close,
  32                 }, -1)
  33
  34         def SelectionChanged(self):
  35                 selection = self["list"].getCurrent()
  36                 selection = selection and selection[3]
  37                 arrow = self["arrowup"]
  38                 sh_arrow = self["sh_arrowup"]
  39
  40                 if selection and selection[0][:3] == "sh_":
  41                         sh_arrow.show()
  42                 else:
  43                         sh_arrow.hide()
  44
  45                 if selection and selection[0][:2] == "l_":
  46                         self["long_key"].setText(_("Long Keypress"))
  47                 else:
  48                         self["long_key"].setText("")
  49
  50                 if selection is None:
  51                         arrow.hide()
  52                 else:
  53                         arrow.moveTo(selection[1], selection[2], 1)
  54                         arrow.startMoving()
  55                         arrow.show()
  56
  57 class HelpableScreen:
  58         def __init__(self):
  59                 self["helpActions"] = ActionMap( [ "HelpActions" ],
  60                         {
  61                                 "displayHelp": self.showHelp,
  62                         })
  63
  64         def showHelp(self):
  65                 self.session.openWithCallback(self.callHelpAction, HelpMenu, self.helpList)
  66
  67         def callHelpAction(self, *args):
  68                 if len(args):
  69                         (actionmap, context, action) = args
  70                         actionmap.action(context, action)