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.Setup import *
  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 IOError:
  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 def getValbyAttr(x, attr):
  43         for p in range(x.attributes.length):
  44                 a = x.attributes.item(p)
  45                 attrib = str(a.name)
  46                 value = str(a.value)
  47                 if attrib == attr:
  48                         return value
  49
  50         return ""
  51
  52 class boundFunction:
  53         def __init__(self, fnc, *args):
  54                 self.fnc = fnc
  55                 self.args = args
  56         def __call__(self):
  57                 self.fnc(*self.args)
  58
  59 class Menu(Screen):
  60         def okbuttonClick(self):
  61                 print "okbuttonClick"
  62                 selection = self["menu"].getCurrent()
  63                 selection[1]()
  64
  65         def execText(self, text):
  66                 exec text
  67
  68         def runScreen(self, arg):
  69                 # arg[0] is the module (as string)
  70                 # arg[1] is Screen inside this module
  71                 #        plus possible arguments, as
  72                 #        string (as we want to reference
  73                 #        stuff which is just imported)
  74                 # FIXME. somehow.
  75                 if arg[0] != "":
  76                         exec "from Screens." + arg[0] + " import *"
  77
  78                 self.openDialog(*eval(arg[1]))
  79
  80         def nothing(self):                                                                                                                                      #dummy
  81                 pass
  82
  83         def openDialog(self, *dialog):                          # in every layer needed
  84                 self.session.open(*dialog)
  85
  86         def openSetup(self, dialog):
  87                 self.session.open(Setup, dialog)
  88
  89         def addMenu(self, destList, node):
  90                 MenuTitle = _(getValbyAttr(node, "text"))
  91                 if MenuTitle != "":                                                                                                                                     #check for title
  92                         a = boundFunction(self.session.open, Menu, node, node.childNodes)
  93                         #TODO add check if !empty(node.childNodes)
  94                         destList.append((MenuTitle, a))
  95
  96         def addItem(self, destList, node):
  97                 ItemText = _(getValbyAttr(node, "text"))
  98                 if ItemText != "":                                                                                                                                      #check for name
  99                         for x in node.childNodes:
 100                                 if x.nodeType != xml.dom.minidom.Element.nodeType:
 101                                         continue
 102                                 elif x.tagName == 'screen':
 103                                         module = getValbyAttr(x, "module")
 104                                         screen = getValbyAttr(x, "screen")
 105
 106                                         if len(screen) == 0:
 107                                                 screen = module
 108
 109                                         # check for arguments. they will be appended to the
 110                                         # openDialog call
 111                                         args = XMLTools.mergeText(x.childNodes)
 112                                         screen += ", " + args
 113
 114                                         destList.append((ItemText, boundFunction(self.runScreen, (module, screen))))
 115                                         return
 116                                 elif x.tagName == 'code':
 117                                         destList.append((ItemText, boundFunction(self.execText, XMLTools.mergeText(x.childNodes))))
 118                                         return
 119                                 elif x.tagName == 'setup':
 120                                         id = getValbyAttr(x, "id")
 121                                         destList.append((ItemText, boundFunction(self.openSetup, id)))
 122                                         return
 123
 124                         destList.append((ItemText,self.nothing))
 125
 126
 127         def __init__(self, session, parent, childNode):
 128                 Screen.__init__(self, session)
 129
 130                 list = []
 131
 132                 for x in childNode:                                                     #walk through the actual nodelist
 133                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 134                             continue
 135                         elif x.tagName == 'item':
 136                                 self.addItem(list, x)
 137                         elif x.tagName == 'menu':
 138                                 self.addMenu(list, x)
 139
 140                 self["menu"] = MenuList(list)
 141
 142                 self["actions"] = ActionMap(["OkCancelActions", "MenuActions"],
 143                         {
 144                                 "ok": self.okbuttonClick,
 145                                 "cancel": self.close,
 146                                 "menu": self.close
 147                         })
 148
 149                 a = getValbyAttr(parent, "title")
 150                 if a == "":                                                                                                             #if empty use name
 151                         a = _(getValbyAttr(parent, "text"))
 152                 self["title"] = Header(a)
 153
 154 class MainMenu(Menu):
 155         #add file load functions for the xml-file
 156
 157         def __init__(self, *x):
 158                 Menu.__init__(self, *x)
 159                 self.skinName = "Menu"
 160
 161         def openDialog(self, dialog):
 162                 self.session.open(dialog)
 163
 164         def openSetup(self, dialog):
 165                 self.session.open(Setup, dialog)
 166
 167         def setModeTV(self):
 168                 print "set Mode to TV"
 169                 pass
 170
 171         def setModeRadio(self):
 172                 print "set Mode to Radio"
 173                 pass
 174
 175         def setModeFile(self):
 176                 print "set Mode to File"
 177                 pass