mphelp/src/MPHelp.py

   1 from Screens.Screen import Screen
   2 from Components.ActionMap import ActionMap
   3 from Components.ScrollLabel import ScrollLabel
   4 from Components.Sources.StaticText import StaticText
   5
   6 class HelpPage:
   7         def __init__(self, title, text):
   8                 self.title = title
   9                 self.text = text
  10
  11         def __getitem__(self, item):
  12                 if item == 0: return self.title
  13                 elif item == 1: return self.text
  14                 raise IndexError("no more items")
  15
  16 class MPHelp(Screen):
  17         skin = """
  18                 <screen name="MPHelp" flags="wfNoBorder" position="0,0" size="720,576">
  19                         <ePixmap pixmap="skin_default/buttons/red.png" position="75,10" size="140,40" alphatest="on" />
  20                         <ePixmap pixmap="skin_default/buttons/green.png" position="215,10" size="140,40" alphatest="on" />
  21                         <ePixmap pixmap="skin_default/buttons/yellow.png" position="355,10" size="140,40" alphatest="on" />
  22                         <ePixmap pixmap="skin_default/buttons/blue.png" position="495,10" size="140,40" alphatest="on" />
  23                         <widget render="Label" source="key_red" position="75,10" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#9f1313" transparent="1" />
  24                         <!--<widget render="Label" source="key_green" position="215,10" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#1f771f" transparent="1" />-->
  25                         <widget render="Label" source="key_yellow" position="355,10" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#a08500" transparent="1" />
  26                         <widget render="Label" source="key_blue" position="495,10" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#18188b" transparent="1" />
  27                         <widget render="Label" source="title" position="60,50" size="600,50" zPosition="5" valign="center" halign="left" font="Regular;21" transparent="1" foregroundColor="white" shadowColor="black" shadowOffset="-1,-1" />
  28                         <widget name="detailtext" position="60,120" size="610,370" zPosition="10" font="Regular;21" transparent="1" halign="left" valign="top"/>
  29                 </screen>"""
  30
  31         def __init__(self, session, pages, title="", additionalSkin=""):
  32                 Screen.__init__(self, session)
  33                 if additionalSkin:
  34                         self.skinName = [additionalSkin, "MPHelp"]
  35                 self.designatedTitle = title
  36
  37                 self["key_red"] = StaticText(_("Close"))
  38                 #self["key_green"] = StaticText()
  39                 self["key_yellow"] = StaticText("<<")
  40                 self["key_blue"] = StaticText(">>")
  41                 self["title"] = StaticText()
  42                 self["detailtext"] = ScrollLabel()
  43
  44                 self.pages = pages
  45                 self.curPage = 0
  46
  47                 self["actions"] = ActionMap(["ShortcutActions", "WizardActions"],
  48                 {
  49                         "back": self.close,
  50                         "red": self.close,
  51                         "up": self.pageUp,
  52                         "down": self.pageDown,
  53                         "left": self.pageUp,
  54                         "right": self.pageDown,
  55                         "yellow": self.prevPage,
  56                         "blue": self.nextPage,
  57                 }, -2)
  58
  59                 self.onLayoutFinish.append(self.layoutFinished)
  60
  61         def layoutFinished(self):
  62                 if self.designatedTitle:
  63                         self.setTitle(self.designatedTitle)
  64                 self.setPage(0)
  65
  66         def setPage(self, newPage):
  67                 try:
  68                         title, text = self.pages[newPage]
  69                 except IndexError:
  70                         title = "Invalid Help Page"
  71                         text = "You managed to jump to an invalid page. Stop it :-)"
  72                         newPage = self.curPage
  73                 self["title"].text = title
  74                 self["detailtext"].setText(text)
  75                 self.curPage = newPage
  76
  77         def pageUp(self):
  78                 self["detailtext"].pageUp()
  79
  80         def pageDown(self):
  81                 self["detailtext"].pageDown()
  82
  83         def prevPage(self):
  84                 if self.curPage > 0:
  85                         self.setPage(self.curPage - 1)
  86
  87         def nextPage(self):
  88                 if self.curPage < len(self.pages) - 1:
  89                         self.setPage(self.curPage + 1)
  90
  91 __all__ = ['HelpPage', 'MPHelp']