lib/python/Screens/Setup.py

   1 from Screen import Screen
   2 from Components.ActionMap import NumberActionMap
   3 from Components.config import config, ConfigNothing
   4 from Components.SystemInfo import SystemInfo
   5 from Components.ConfigList import ConfigListScreen
   6 from Components.Label import Label
   7 from Components.Pixmap import Pixmap
   8
   9 import xml.etree.cElementTree
  10
  11 # FIXME: use resolveFile!
  12 # read the setupmenu
  13 try:
  14         # first we search in the current path
  15         setupfile = file('data/setup.xml', 'r')
  16 except:
  17         # if not found in the current path, we use the global datadir-path
  18         setupfile = file('/usr/share/enigma2/setup.xml', 'r')
  19 setupdom = xml.etree.cElementTree.parse(setupfile)
  20 setupfile.close()
  21
  22 class SetupSummary(Screen):
  23         skin = """
  24         <screen position="6,0" size="120,64">
  25                 <widget name="SetupTitle" position="6,0" size="120,16" font="Regular;12" />
  26                 <widget name="SetupEntry" position="6,16" size="120,32" font="Regular;12" />
  27                 <widget name="SetupValue" position="6,48" size="120,16" font="Regular;12" />
  28         </screen>"""
  29
  30         def __init__(self, session, parent):
  31                 Screen.__init__(self, session)
  32                 self["SetupTitle"] = Label(_(parent.setup_title))
  33                 self["SetupEntry"] = Label("")
  34                 self["SetupValue"] = Label("")
  35                 self.parent = parent
  36                 self.onShow.append(self.addWatcher)
  37                 self.onHide.append(self.removeWatcher)
  38
  39         def addWatcher(self):
  40                 self.parent.onChangedEntry.append(self.selectionChanged)
  41                 self.parent["config"].onSelectionChanged.append(self.selectionChanged)
  42                 self.selectionChanged()
  43
  44         def removeWatcher(self):
  45                 self.parent.onChangedEntry.remove(self.selectionChanged)
  46                 self.parent["config"].onSelectionChanged.remove(self.selectionChanged)
  47
  48         def selectionChanged(self):
  49                 self["SetupEntry"].text = self.parent.getCurrentEntry()
  50                 self["SetupValue"].text = self.parent.getCurrentValue()
  51
  52 class Setup(ConfigListScreen, Screen):
  53
  54         ALLOW_SUSPEND = True
  55
  56         def removeNotifier(self):
  57                 config.usage.setup_level.notifiers.remove(self.levelChanged)
  58
  59         def levelChanged(self, configElement):
  60                 list = []
  61                 self.refill(list)
  62                 self["config"].setList(list)
  63
  64         def refill(self, list):
  65                 xmldata = setupdom.getroot()
  66                 for x in xmldata.findall("setup"):
  67                         if x.get("key") != self.setup:
  68                                 continue
  69                         self.addItems(list, x);
  70                         self.setup_title = x.get("title", "").encode("UTF-8")
  71
  72         def __init__(self, session, setup):
  73                 Screen.__init__(self, session)
  74
  75                 # for the skin: first try a setup_<setupID>, then Setup
  76                 self.skinName = ["setup_" + setup, "Setup" ]
  77
  78                 self.onChangedEntry = [ ]
  79
  80                 self.setup = setup
  81                 list = []
  82                 self.refill(list)
  83
  84                 #check for list.entries > 0 else self.close
  85                 self["title"] = Label(_(self.setup_title))
  86
  87                 self["oktext"] = Label(_("OK"))
  88                 self["canceltext"] = Label(_("Cancel"))
  89                 self["ok"] = Pixmap()
  90                 self["cancel"] = Pixmap()
  91
  92                 self["actions"] = NumberActionMap(["SetupActions"],
  93                         {
  94                                 "cancel": self.keyCancel,
  95                                 "save": self.keySave,
  96                         }, -2)
  97
  98                 ConfigListScreen.__init__(self, list, session = session, on_change = self.changedEntry)
  99
 100                 self.changedEntry()
 101
 102         # for summary:
 103         def changedEntry(self):
 104                 for x in self.onChangedEntry:
 105                         x()
 106
 107         def getCurrentEntry(self):
 108                 return self["config"].getCurrent()[0]
 109
 110         def getCurrentValue(self):
 111                 return str(self["config"].getCurrent()[1].getText())
 112
 113         def createSummary(self):
 114                 return SetupSummary
 115
 116         def addItems(self, list, parentNode):
 117                 for x in parentNode:
 118                         if x.tag == 'item':
 119                                 item_level = int(x.get("level", 0))
 120
 121                                 if not self.levelChanged in config.usage.setup_level.notifiers:
 122                                         config.usage.setup_level.notifiers.append(self.levelChanged)
 123                                         self.onClose.append(self.removeNotifier)
 124
 125                                 if item_level > config.usage.setup_level.index:
 126                                         continue
 127
 128                                 requires = x.get("requires")
 129                                 if requires and not SystemInfo.get(requires, False):
 130                                         continue;
 131
 132                                 item_text = _(x.get("text", "??").encode("UTF-8"))
 133                                 b = eval(x.text or "");
 134                                 if b == "":
 135                                         continue
 136                                 #add to configlist
 137                                 item = b
 138                                 # the first b is the item itself, ignored by the configList.
 139                                 # the second one is converted to string.
 140                                 if not isinstance(item, ConfigNothing):
 141                                         list.append( (item_text, item) )
 142
 143 def getSetupTitle(id):
 144         xmldata = setupdom.getroot()
 145         for x in xmldata.findall("setup"):
 146                 if x.get("key") == id:
 147                         return x.get("title", "").encode("UTF-8")
 148         raise "unknown setup id '%s'!" % repr(id)