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.dom.minidom
  10 from skin import elementsWithTag
  11
  12 from Tools import XMLTools
  13
  14 # FIXME: use resolveFile!
  15 # read the setupmenu
  16 try:
  17         # first we search in the current path
  18         setupfile = file('data/setup.xml', 'r')
  19 except:
  20         # if not found in the current path, we use the global datadir-path
  21         setupfile = file('/usr/share/enigma2/setup.xml', 'r')
  22 setupdom = xml.dom.minidom.parseString(setupfile.read())
  23 setupfile.close()
  24
  25 class SetupSummary(Screen):
  26         skin = """
  27         <screen position="6,0" size="120,64">
  28                 <widget name="SetupTitle" position="6,0" size="120,16" font="Regular;12" />
  29                 <widget name="SetupEntry" position="6,16" size="120,32" font="Regular;12" />
  30                 <widget name="SetupValue" position="6,48" size="120,16" font="Regular;12" />
  31         </screen>"""
  32
  33         def __init__(self, session, parent):
  34                 Screen.__init__(self, session)
  35                 self["SetupTitle"] = Label(_(parent.setup_title))
  36                 self["SetupEntry"] = Label("")
  37                 self["SetupValue"] = Label("")
  38                 self.parent = parent
  39                 self.onShow.append(self.addWatcher)
  40                 self.onHide.append(self.removeWatcher)
  41
  42         def addWatcher(self):
  43                 self.parent.onChangedEntry.append(self.selectionChanged)
  44                 self.parent["config"].onSelectionChanged.append(self.selectionChanged)
  45                 self.selectionChanged()
  46
  47         def removeWatcher(self):
  48                 self.parent.onChangedEntry.remove(self.selectionChanged)
  49                 self.parent["config"].onSelectionChanged.remove(self.selectionChanged)
  50
  51         def selectionChanged(self):
  52                 self["SetupEntry"].text = self.parent.getCurrentEntry()
  53                 self["SetupValue"].text = self.parent.getCurrentValue()
  54
  55 class Setup(ConfigListScreen, Screen):
  56
  57         ALLOW_SUSPEND = True
  58
  59         def removeNotifier(self):
  60                 config.usage.setup_level.notifiers.remove(self.levelChanged)
  61
  62         def levelChanged(self, configElement):
  63                 list = []
  64                 self.refill(list)
  65                 self["config"].setList(list)
  66
  67         def refill(self, list):
  68                 xmldata = setupdom.childNodes[0]
  69                 entries = xmldata.childNodes
  70                 for x in entries:             #walk through the actual nodelist
  71                         if x.nodeType != xml.dom.minidom.Element.nodeType:
  72                                 continue
  73                         elif x.tagName == 'setup':
  74                                 if x.getAttribute("key") != self.setup:
  75                                         continue
  76                                 self.addItems(list, x.childNodes);
  77                                 self.setup_title = x.getAttribute("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, childNode):
 124                 for x in childNode:
 125                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 126                                 continue
 127                         elif x.tagName == 'item':
 128                                 item_level = int(x.getAttribute("level") or "0")
 129
 130                                 if not self.levelChanged in config.usage.setup_level.notifiers:
 131                                         config.usage.setup_level.notifiers.append(self.levelChanged)
 132                                         self.onClose.append(self.removeNotifier)
 133
 134                                 if item_level > config.usage.setup_level.index:
 135                                         continue
 136
 137                                 requires = x.getAttribute("requires")
 138                                 if requires and not SystemInfo.get(requires, False):
 139                                         continue;
 140
 141                                 item_text = _(x.getAttribute("text").encode("UTF-8") or "??")
 142                                 b = eval(XMLTools.mergeText(x.childNodes));
 143                                 if b == "":
 144                                         continue
 145                                 #add to configlist
 146                                 item = b
 147                                 # the first b is the item itself, ignored by the configList.
 148                                 # the second one is converted to string.
 149                                 if not isinstance(item, ConfigNothing):
 150                                         list.append( (item_text, item) )
 151
 152 def getSetupTitle(id):
 153         xmldata = setupdom.childNodes[0].childNodes
 154         for x in elementsWithTag(xmldata, "setup"):
 155                 if x.getAttribute("key") == id:
 156                         return x.getAttribute("title").encode("UTF-8")
 157         raise "unknown setup id '%s'!" % repr(id)