lib/python/Screens/Menu.py

   1 from Screen import *
   2 from Components.MenuList import MenuList
   3 from Components.ActionMap import ActionMap
   4 from Components.Header import Header
   5 from Components.Button import Button
   6 from Components.Label import Label
   7 from Components.ProgressBar import ProgressBar
   8
   9 from enigma import quitMainloop
  10
  11 import xml.dom.minidom
  12 from xml.dom import EMPTY_NAMESPACE
  13 from skin import elementsWithTag
  14
  15 from Screens.Satconfig import NimSelection
  16
  17 from Tools import XMLTools
  18
  19 # some screens
  20 def doGlobal(screen):
  21         screen["clock"] = Clock()
  22
  23
  24 #               <item text="TV-Mode">self.setModeTV()</item>
  25 #               <item text="Radio-Mode">self.setModeRadio()</item>
  26 #               <item text="File-Mode">self.setModeFile()</item>
  27 #               <item text="Scart">self.openDialog(ScartLoopThrough)</item>
  28 #                       <item text="Sleep Timer"></item>
  29
  30
  31 # read the menu
  32 try:
  33         # first we search in the current path
  34         menufile = file('data/menu.xml', 'r')
  35 except:
  36         # if not found in the current path, we use the global datadir-path
  37         menufile = file('/usr/share/enigma2/menu.xml', 'r')
  38 mdom = xml.dom.minidom.parseString(menufile.read())
  39 menufile.close()
  40
  41
  42
  43 def getValbyAttr(x, attr):
  44         for p in range(x.attributes.length):
  45                 a = x.attributes.item(p)
  46                 attrib = str(a.name)
  47                 value = str(a.value)
  48                 if attrib == attr:
  49                         return value
  50
  51         return ""
  52
  53 class boundFunction:
  54         def __init__(self, fnc, *args):
  55                 self.fnc = fnc
  56                 self.args = args
  57         def __call__(self):
  58                 self.fnc(*self.args)
  59
  60 class Menu(Screen):
  61         def okbuttonClick(self):
  62                 print "okbuttonClick"
  63                 selection = self["menu"].getCurrent()
  64                 selection[1]()
  65
  66         def evalText(self, text):
  67                 eval(text)
  68
  69         def nothing(self):                                                                                                                                      #dummy
  70                 pass
  71
  72         def openDialog(self, dialog):                           # in every layer needed
  73                 self.session.open(dialog)
  74
  75         def openSetup(self, dialog):
  76                 self.session.open(Setup, dialog)
  77
  78         def addMenu(self, destList, node):
  79                 MenuTitle = getValbyAttr(node, "text")
  80                 if MenuTitle != "":                                                                                                                                     #check for title
  81                         a = boundFunction(self.session.open, Menu, node, node.childNodes)
  82                         #TODO add check if !empty(node.childNodes)
  83                         destList.append((MenuTitle, a))
  84
  85         def addItem(self, destList, node):
  86                 ItemText = getValbyAttr(node, "text")
  87                 if ItemText != "":                                                                                                                                      #check for name
  88                         b = XMLTools.mergeText(node.childNodes)
  89                         if b != "":                                                                                                                                                             #check for function
  90                                 destList.append((ItemText,boundFunction(self.evalText,b)))
  91                         else:
  92                                 destList.append((ItemText,self.nothing))                                #use dummy as function
  93
  94         def __init__(self, session, parent, childNode):
  95                 Screen.__init__(self, session)
  96
  97                 list = []
  98
  99                 for x in childNode:                                                     #walk through the actual nodelist
 100                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 101                             continue
 102                         elif x.tagName == 'item':
 103                                 self.addItem(list, x)
 104                         elif x.tagName == 'menu':
 105                                 self.addMenu(list, x)
 106
 107                 self["menu"] = MenuList(list)
 108
 109                 self["actions"] = ActionMap(["OkCancelActions"],
 110                         {
 111                                 "ok": self.okbuttonClick,
 112                                 "cancel": self.close
 113                         })
 114
 115                 a = getValbyAttr(parent, "title")
 116                 if a == "":                                                                                                             #if empty use name
 117                         a = getValbyAttr(parent, "text")
 118                 self["title"] = Header(a)
 119
 120 class MainMenu(Menu):
 121         #add file load functions for the xml-file
 122
 123         def __init__(self, *x):
 124                 Menu.__init__(self, *x)
 125                 self.skinName = "Menu"
 126
 127         def openDialog(self, dialog):
 128                 self.session.open(dialog)
 129
 130         def openSetup(self, dialog):
 131                 self.session.open(Setup, dialog)
 132
 133         def setModeTV(self):
 134                 print "set Mode to TV"
 135                 pass
 136
 137         def setModeRadio(self):
 138                 print "set Mode to Radio"
 139                 pass
 140
 141         def setModeFile(self):
 142                 print "set Mode to File"
 143                 pass