code.vuplus.com Git - vuplus_dvbapp/blob - 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.Sources.StaticText import StaticText
   7 from enigma import eEnv
   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(eEnv.resolve('${datadir}/enigma2/setup.xml'), 'r')
  19 setupdom = xml.etree.cElementTree.parse(setupfile)
  20 setupfile.close()
  21
  22 class SetupError(Exception):
  23     def __init__(self, message):
  24         self.msg = message
  25
  26     def __str__(self):
  27         return self.msg
  28
  29 class SetupSummary(Screen):
  30
  31         def __init__(self, session, parent):
  32
  33                 Screen.__init__(self, session, parent = parent)
  34                 self["SetupTitle"] = StaticText(_(parent.setup_title))
  35                 self["SetupEntry"] = StaticText("")
  36                 self["SetupValue"] = StaticText("")
  37                 self.onShow.append(self.addWatcher)
  38                 self.onHide.append(self.removeWatcher)
  39
  40         def addWatcher(self):
  41                 self.parent.onChangedEntry.append(self.selectionChanged)
  42                 self.parent["config"].onSelectionChanged.append(self.selectionChanged)
  43                 self.selectionChanged()
  44
  45         def removeWatcher(self):
  46                 self.parent.onChangedEntry.remove(self.selectionChanged)
  47                 self.parent["config"].onSelectionChanged.remove(self.selectionChanged)
  48
  49         def selectionChanged(self):
  50                 self["SetupEntry"].text = self.parent.getCurrentEntry()
  51                 self["SetupValue"].text = self.parent.getCurrentValue()
  52
  53 class Setup(ConfigListScreen, Screen):
  54
  55         ALLOW_SUSPEND = True
  56
  57         def removeNotifier(self):
  58                 config.usage.setup_level.notifiers.remove(self.levelChanged)
  59
  60         def levelChanged(self, configElement):
  61                 list = []
  62                 self.refill(list)
  63                 self["config"].setList(list)
  64
  65         def removeEntryNotifier(self):
  66                 if self.needEntryChange:
  67                         for item in self.needEntryChange:
  68                                 if self.entryChanged in item.notifiers:
  69                                         item.notifiers.remove(self.entryChanged)
  70
  71         def entryChanged(self, configElement):
  72                 list = []
  73                 self.refill(list)
  74                 self["config"].setList(list)
  75
  76         def refill(self, list):
  77                 xmldata = setupdom.getroot()
  78                 for x in xmldata.findall("setup"):
  79                         if x.get("key") != self.setup:
  80                                 continue
  81                         self.addItems(list, x);
  82                         self.setup_title = x.get("title", "").encode("UTF-8")
  83
  84         def __init__(self, session, setup):
  85                 Screen.__init__(self, session)
  86                 # for the skin: first try a setup_<setupID>, then Setup
  87                 self.skinName = ["setup_" + setup, "Setup" ]
  88
  89                 self.onChangedEntry = [ ]
  90
  91                 self.needEntryChange = [ ]
  92
  93                 self.setup = setup
  94                 list = []
  95                 self.refill(list)
  96
  97                 #check for list.entries > 0 else self.close
  98                 self["key_red"] = StaticText(_("Cancel"))
  99                 self["key_green"] = StaticText(_("OK"))
 100
 101                 self["actions"] = NumberActionMap(["SetupActions"],
 102                         {
 103                                 "cancel": self.keyCancel,
 104                                 "save": self.keySave,
 105                         }, -2)
 106
 107                 ConfigListScreen.__init__(self, list, session = session, on_change = self.changedEntry)
 108
 109                 self.changedEntry()
 110                 self.onLayoutFinish.append(self.layoutFinished)
 111
 112         def layoutFinished(self):
 113                 self.setTitle(_(self.setup_title))
 114
 115         # for summary:
 116         def changedEntry(self):
 117                 for x in self.onChangedEntry:
 118                         x()
 119
 120         def getCurrentEntry(self):
 121                 return self["config"].getCurrent()[0]
 122
 123         def getCurrentValue(self):
 124                 return str(self["config"].getCurrent()[1].getText())
 125
 126         def createSummary(self):
 127                 return SetupSummary
 128
 129         def addItems(self, list, parentNode):
 130                 self.needEntryChange = [ ]
 131                 for x in parentNode:
 132                         if x.tag == 'item':
 133                                 item_level = int(x.get("level", 0))
 134
 135                                 if not self.levelChanged in config.usage.setup_level.notifiers:
 136                                         config.usage.setup_level.notifiers.append(self.levelChanged)
 137                                         self.onClose.append(self.removeNotifier)
 138
 139                                 if item_level > config.usage.setup_level.index:
 140                                         continue
 141
 142                                 requires = x.get("requires")
 143                                 if requires and not SystemInfo.get(requires, False):
 144                                         continue;
 145
 146                                 item_text = _(x.get("text", "??").encode("UTF-8"))
 147                                 b = eval(x.text or "");
 148                                 if b == "":
 149                                         continue
 150                                 #add to configlist
 151                                 item = b
 152                                 # the first b is the item itself, ignored by the configList.
 153                                 # the second one is converted to string.
 154                                 if not isinstance(item, ConfigNothing):
 155                                         list.append( (item_text, item) )
 156
 157                                         needentrychange = x.get("entrychange")
 158                                         if needentrychange == "yes":
 159                                                 self.needEntryChange.append(item)
 160                                                 if not self.entryChanged in item.notifiers:
 161                                                         item.notifiers.append(self.entryChanged)
 162                                                 if not self.removeEntryNotifier in self.onClose:
 163                                                         self.onClose.append(self.removeEntryNotifier)
 164
 165 def getSetupTitle(id):
 166         xmldata = setupdom.getroot()
 167         for x in xmldata.findall("setup"):
 168                 if x.get("key") == id:
 169                         return x.get("title", "").encode("UTF-8")
 170         raise SetupError("unknown setup id '%s'!" % repr(id))