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 # hack.... dynamically importing all screens
  10 from __init__ import __all__
  11 for i in __all__:
  12         print "import " + i
  13         if (i is not "Menu" ):
  14                 exec "from " + i + " import *"
  15
  16 from enigma import quitMainloop
  17
  18 import xml.dom.minidom
  19 from xml.dom import EMPTY_NAMESPACE
  20 from skin import elementsWithTag
  21
  22 from Tools import XMLTools
  23
  24 # some screens
  25 def doGlobal(screen):
  26         screen["clock"] = Clock()
  27
  28
  29 #               <item text="TV-Mode">self.setModeTV()</item>
  30 #               <item text="Radio-Mode">self.setModeRadio()</item>
  31 #               <item text="File-Mode">self.setModeFile()</item>
  32 #               <item text="Scart">self.openDialog(ScartLoopThrough)</item>
  33 #                       <item text="Sleep Timer"></item>
  34
  35
  36 # read the menu
  37 try:
  38         # first we search in the current path
  39         menufile = file('data/menu.xml', 'r')
  40 except:
  41         # if not found in the current path, we use the global datadir-path
  42         menufile = file('/usr/share/enigma2/menu.xml', 'r')
  43 mdom = xml.dom.minidom.parseString(menufile.read())
  44 menufile.close()
  45
  46
  47
  48 def getValbyAttr(x, attr):
  49         for p in range(x.attributes.length):
  50                 a = x.attributes.item(p)
  51                 attrib = str(a.name)
  52                 value = str(a.value)
  53                 if attrib == attr:
  54                         return value
  55
  56         return ""
  57
  58 class boundFunction:
  59         def __init__(self, fnc, *args):
  60                 self.fnc = fnc
  61                 self.args = args
  62         def __call__(self):
  63                 self.fnc(*self.args)
  64
  65 class Menu(Screen):
  66         def okbuttonClick(self):
  67                 print "okbuttonClick"
  68                 selection = self["menu"].getCurrent()
  69                 selection[1]()
  70
  71         def evalText(self, text):
  72                 eval(text)
  73
  74         def nothing(self):                                                                                                                                      #dummy
  75                 pass
  76
  77         def openDialog(self, dialog):                           # in every layer needed
  78                 self.session.open(dialog)
  79
  80         def openSetup(self, dialog):
  81                 self.session.open(Setup, dialog)
  82
  83         def addMenu(self, destList, node):
  84                 MenuTitle = getValbyAttr(node, "text")
  85                 if MenuTitle != "":                                                                                                                                     #check for title
  86                         a = boundFunction(self.session.open, Menu, node, node.childNodes)
  87                         #TODO add check if !empty(node.childNodes)
  88                         destList.append((MenuTitle, a))
  89
  90         def addItem(self, destList, node):
  91                 ItemText = getValbyAttr(node, "text")
  92                 if ItemText != "":                                                                                                                                      #check for name
  93                         b = XMLTools.mergeText(node.childNodes)
  94                         if b != "":                                                                                                                                                             #check for function
  95                                 destList.append((ItemText,boundFunction(self.evalText,b)))
  96                         else:
  97                                 destList.append((ItemText,self.nothing))                                #use dummy as function
  98
  99         def __init__(self, session, parent, childNode):
 100                 Screen.__init__(self, session)
 101
 102                 list = []
 103
 104                 for x in childNode:                                                     #walk through the actual nodelist
 105                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 106                             continue
 107                         elif x.tagName == 'item':
 108                                 self.addItem(list, x)
 109                         elif x.tagName == 'menu':
 110                                 self.addMenu(list, x)
 111
 112                 self["menu"] = MenuList(list)
 113
 114                 self["actions"] = ActionMap(["OkCancelActions"],
 115                         {
 116                                 "ok": self.okbuttonClick,
 117                                 "cancel": self.close
 118                         })
 119
 120                 a = getValbyAttr(parent, "title")
 121                 if a == "":                                                                                                             #if empty use name
 122                         a = getValbyAttr(parent, "text")
 123                 self["title"] = Header(a)
 124
 125 class FixedMenu(Screen):
 126         def okbuttonClick(self):
 127                 selection = self["menu"].getCurrent()
 128                 selection[1]()
 129
 130         def __init__(self, session, title, list):
 131                 Screen.__init__(self, session)
 132
 133                 self["menu"] = MenuList(list)
 134
 135                 self["actions"] = ActionMap(["OkCancelActions"],
 136                         {
 137                                 "ok": self.okbuttonClick,
 138                                 "cancel": self.close
 139                         })
 140
 141                 self["title"] = Header(title)
 142
 143
 144 class MainMenu(Menu):
 145         #add file load functions for the xml-file
 146
 147         def __init__(self, *x):
 148                 Menu.__init__(self, *x)
 149                 self.skinName = "Menu"
 150
 151         def openDialog(self, dialog):
 152                 self.session.open(dialog)
 153
 154         def openSetup(self, dialog):
 155                 self.session.open(Setup, dialog)
 156
 157         def setModeTV(self):
 158                 print "set Mode to TV"
 159                 pass
 160
 161         def setModeRadio(self):
 162                 print "set Mode to Radio"
 163                 pass
 164
 165         def setModeFile(self):
 166                 print "set Mode to File"
 167                 pass