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
  20                 self["list"] = HelpMenuList(list, self.close)
  21
  22                 self["rc"] = Pixmap()
  23                 self["arrowup"] = MovingPixmap()
  24
  25                 self["actions"] = ActionMap(["WizardActions"],
  26                 {
  27                         "ok": self["list"].ok,
  28                         "back": self.close,
  29                         "up": self.up,
  30                         "down": self.down
  31                 }, -1)
  32
  33         def up(self):
  34                 self["list"].instance.moveSelection(self["list"].instance.moveUp)
  35                 self.SelectionChanged()
  36
  37         def down(self):
  38                 self["list"].instance.moveSelection(self["list"].instance.moveDown)
  39                 self.SelectionChanged()
  40
  41         def SelectionChanged(self):
  42                 selection = self["list"].getCurrent()[3]
  43                 if selection is None:
  44                         self["arrowup"].instance.hide()
  45                 else:
  46                         self["arrowup"].moveTo(selection[1], selection[2], 1)
  47                         self["arrowup"].startMoving()
  48                         self["arrowup"].instance.show()
  49
  50 class HelpableScreen:
  51         def __init__(self):
  52                 self["helpActions"] = ActionMap( [ "HelpActions" ],
  53                         {
  54                                 "displayHelp": self.showHelp,
  55                         })
  56         def showHelp(self):
  57                 self.session.openWithCallback(self.callHelpAction, HelpMenu, self.helpList)
  58         def callHelpAction(self, *args):
  59                 if len(args):
  60                         (actionmap, context, action) = args
  61                         actionmap.action(context, action)