lib/python/Screens/Setup.py

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