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 getTitle(self):
  12                 return self.__title
  13         def getText(self):
  14                 return self.__text
  15
  16         def __getitem__(self, item):
  17                 if item == 0: return self.getTitle()
  18                 elif item == 1: return self.getText()
  19                 raise IndexError("no more items")
  20
  21 class MPHelp(Screen):
  22         skin = """
  23                 <screen name="MPHelp" flags="wfNoBorder" position="0,0" size="720,576">
  24                         <ePixmap pixmap="skin_default/buttons/red.png" position="75,10" size="140,40" alphatest="on" />
  25                         <ePixmap pixmap="skin_default/buttons/green.png" position="215,10" size="140,40" alphatest="on" />
  26                         <ePixmap pixmap="skin_default/buttons/yellow.png" position="355,10" size="140,40" alphatest="on" />
  27                         <ePixmap pixmap="skin_default/buttons/blue.png" position="495,10" size="140,40" alphatest="on" />
  28                         <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" />
  29                         <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" />
  30                         <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" />
  31                         <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" />
  32                         <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" />
  33                         <widget name="detailtext" position="60,120" size="610,370" zPosition="10" font="Regular;21" transparent="1" halign="left" valign="top"/>
  34                 </screen>"""
  35
  36         def __init__(self, session, pages, title="", additionalSkin=""):
  37                 Screen.__init__(self, session)
  38                 if additionalSkin:
  39                         self.skinName = [additionalSkin, "MPHelp"]
  40                 self.designatedTitle = title
  41
  42                 self["key_red"] = StaticText(_("Close"))
  43                 self["key_green"] = StaticText()
  44                 self["key_yellow"] = StaticText("")
  45                 if len(pages) > 1:
  46                         self["key_blue"] = StaticText(">>")
  47                 else:
  48                         self["key_blue"] = StaticText("")
  49                 self["title"] = StaticText()
  50                 self["detailtext"] = ScrollLabel()
  51
  52                 self.pages = pages
  53                 self.curPage = 0
  54
  55                 self["actions"] = ActionMap(["ShortcutActions", "WizardActions"],
  56                 {
  57                         "back": self.close,
  58                         "red": self.close,
  59                         "up": self.pageUp,
  60                         "down": self.pageDown,
  61                         "left": self.pageUp,
  62                         "right": self.pageDown,
  63                         "yellow": self.prevPage,
  64                         "blue": self.nextPage,
  65                 }, -2)
  66
  67                 self.onLayoutFinish.append(self.layoutFinished)
  68
  69         def layoutFinished(self):
  70                 if self.designatedTitle:
  71                         self.setTitle(self.designatedTitle)
  72                 self.setPage(0)
  73
  74         def setPage(self, newPage):
  75                 try:
  76                         title, text = self.pages[newPage]
  77                 except IndexError:
  78                         title = "Invalid Help Page"
  79                         text = "You managed to jump to an invalid page. Stop it :-)"
  80                         newPage = self.curPage
  81                 self["title"].text = title.encode('utf-8', 'ignore')
  82                 self["detailtext"].setText(text.encode('utf-8', 'ignore'))
  83                 self.curPage = newPage
  84
  85         def pageUp(self):
  86                 self["detailtext"].pageUp()
  87
  88         def pageDown(self):
  89                 self["detailtext"].pageDown()
  90
  91         def prevPage(self):
  92                 curPage = self.curPage
  93                 if curPage > 0:
  94                         self.setPage(curPage - 1)
  95
  96                 self["key_blue"].setText(">>")
  97                 if self.curPage > 0:
  98                         self["key_yellow"].setText("<<")
  99                 else:
 100                         self["key_yellow"].setText("")
 101
 102         def nextPage(self):
 103                 curPage = self.curPage
 104                 Len = len(self.pages) - 1
 105                 if curPage < Len:
 106                         self.setPage(curPage + 1)
 107
 108                 self["key_yellow"].setText("<<")
 109                 if self.curPage < Len:
 110                         self["key_blue"].setText(">>")
 111                 else:
 112                         self["key_blue"].setText("")
 113
 114 __all__ = ['HelpPage', 'MPHelp']