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 SetupError(Exception):
  23     def __init__(self, message):
  24         self.message = message
  25
  26     def __str__(self):
  27         return self.message
  28
  29 class SetupSummary(Screen):
  30         skin = """
  31         <screen position="6,0" size="120,64">
  32                 <widget name="SetupTitle" position="6,0" size="120,16" font="Regular;12" />
  33                 <widget name="SetupEntry" position="6,16" size="120,32" font="Regular;12" />
  34                 <widget name="SetupValue" position="6,48" size="120,16" font="Regular;12" />
  35         </screen>"""
  36
  37         def __init__(self, session, parent):
  38                 Screen.__init__(self, session)
  39                 self["SetupTitle"] = Label(_(parent.setup_title))
  40                 self["SetupEntry"] = Label("")
  41                 self["SetupValue"] = Label("")
  42                 self.parent = parent
  43                 self.onShow.append(self.addWatcher)
  44                 self.onHide.append(self.removeWatcher)
  45
  46         def addWatcher(self):
  47                 self.parent.onChangedEntry.append(self.selectionChanged)
  48                 self.parent["config"].onSelectionChanged.append(self.selectionChanged)
  49                 self.selectionChanged()
  50
  51         def removeWatcher(self):
  52                 self.parent.onChangedEntry.remove(self.selectionChanged)
  53                 self.parent["config"].onSelectionChanged.remove(self.selectionChanged)
  54
  55         def selectionChanged(self):
  56                 self["SetupEntry"].text = self.parent.getCurrentEntry()
  57                 self["SetupValue"].text = self.parent.getCurrentValue()
  58
  59 class Setup(ConfigListScreen, Screen):
  60
  61         ALLOW_SUSPEND = True
  62
  63         def removeNotifier(self):
  64                 config.usage.setup_level.notifiers.remove(self.levelChanged)
  65
  66         def levelChanged(self, configElement):
  67                 list = []
  68                 self.refill(list)
  69                 self["config"].setList(list)
  70
  71         def refill(self, list):
  72                 xmldata = setupdom.getroot()
  73                 for x in xmldata.findall("setup"):
  74                         if x.get("key") != self.setup:
  75                                 continue
  76                         self.addItems(list, x);
  77                         self.setup_title = x.get("title", "").encode("UTF-8")
  78
  79         def __init__(self, session, setup):
  80                 Screen.__init__(self, session)
  81
  82                 # for the skin: first try a setup_<setupID>, then Setup
  83                 self.skinName = ["setup_" + setup, "Setup" ]
  84
  85                 self.onChangedEntry = [ ]
  86
  87                 self.setup = setup
  88                 list = []
  89                 self.refill(list)
  90
  91                 #check for list.entries > 0 else self.close
  92                 self["title"] = Label(_(self.setup_title))
  93
  94                 self["oktext"] = Label(_("OK"))
  95                 self["canceltext"] = Label(_("Cancel"))
  96                 self["ok"] = Pixmap()
  97                 self["cancel"] = Pixmap()
  98
  99                 self["actions"] = NumberActionMap(["SetupActions"],
 100                         {
 101                                 "cancel": self.keyCancel,
 102                                 "save": self.keySave,
 103                         }, -2)
 104
 105                 ConfigListScreen.__init__(self, list, session = session, on_change = self.changedEntry)
 106
 107                 self.changedEntry()
 108
 109         # for summary:
 110         def changedEntry(self):
 111                 for x in self.onChangedEntry:
 112                         x()
 113
 114         def getCurrentEntry(self):
 115                 return self["config"].getCurrent()[0]
 116
 117         def getCurrentValue(self):
 118                 return str(self["config"].getCurrent()[1].getText())
 119
 120         def createSummary(self):
 121                 return SetupSummary
 122
 123         def addItems(self, list, parentNode):
 124                 for x in parentNode:
 125                         if x.tag == 'item':
 126                                 item_level = int(x.get("level", 0))
 127
 128                                 if not self.levelChanged in config.usage.setup_level.notifiers:
 129                                         config.usage.setup_level.notifiers.append(self.levelChanged)
 130                                         self.onClose.append(self.removeNotifier)
 131
 132                                 if item_level > config.usage.setup_level.index:
 133                                         continue
 134
 135                                 requires = x.get("requires")
 136                                 if requires and not SystemInfo.get(requires, False):
 137                                         continue;
 138
 139                                 item_text = _(x.get("text", "??").encode("UTF-8"))
 140                                 b = eval(x.text or "");
 141                                 if b == "":
 142                                         continue
 143                                 #add to configlist
 144                                 item = b
 145                                 # the first b is the item itself, ignored by the configList.
 146                                 # the second one is converted to string.
 147                                 if not isinstance(item, ConfigNothing):
 148                                         list.append( (item_text, item) )
 149
 150 def getSetupTitle(id):
 151         xmldata = setupdom.getroot()
 152         for x in xmldata.findall("setup"):
 153                 if x.get("key") == id:
 154                         return x.get("title", "").encode("UTF-8")
 155         raise SetupError("unknown setup id '%s'!" % repr(id))