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 Tools.Directories import resolveFilename, SCOPE_SKIN
  10
  11 from enigma import quitMainloop
  12
  13 import xml.dom.minidom
  14 from xml.dom import EMPTY_NAMESPACE
  15 from skin import elementsWithTag
  16
  17 from Screens.Setup import *
  18
  19 from Tools import XMLTools
  20
  21 # some screens
  22 def doGlobal(screen):
  23         screen["clock"] = Clock()
  24
  25
  26 #               <item text="TV-Mode">self.setModeTV()</item>
  27 #               <item text="Radio-Mode">self.setModeRadio()</item>
  28 #               <item text="File-Mode">self.setModeFile()</item>
  29 #               <item text="Scart">self.openDialog(ScartLoopThrough)</item>
  30 #                       <item text="Sleep Timer"></item>
  31
  32
  33 # read the menu
  34 menufile = file(resolveFilename(SCOPE_SKIN, 'menu.xml'), 'r')
  35 mdom = xml.dom.minidom.parseString(menufile.read())
  36 menufile.close()
  37
  38
  39 def getValbyAttr(x, attr):
  40         for p in range(x.attributes.length):
  41                 a = x.attributes.item(p)
  42                 attrib = str(a.name)
  43                 value = str(a.value)
  44                 if attrib == attr:
  45                         return value
  46
  47         return ""
  48
  49 class boundFunction:
  50         def __init__(self, fnc, *args):
  51                 self.fnc = fnc
  52                 self.args = args
  53         def __call__(self):
  54                 self.fnc(*self.args)
  55
  56 class MenuUpdater:
  57         def __init__(self):
  58                 self.updatedMenuItems = {}
  59
  60         def addMenuItem(self, id, pos, text, module, screen):
  61                 if not self.updatedMenuAvailable(id):
  62                         self.updatedMenuItems[id] = []
  63                 self.updatedMenuItems[id].append([text, pos, module, screen])
  64
  65         def delMenuItem(self, id, pos, text, module, screen):
  66                 self.updatedMenuItems[id].remove([text, pos, module, screen])
  67
  68         def updatedMenuAvailable(self, id):
  69                 return self.updatedMenuItems.has_key(id)
  70
  71         def getUpdatedMenu(self, id):
  72                 return self.updatedMenuItems[id]
  73
  74 menuupdater = MenuUpdater()
  75
  76 class Menu(Screen):
  77         def okbuttonClick(self):
  78                 print "okbuttonClick"
  79                 selection = self["menu"].getCurrent()
  80                 selection[1]()
  81
  82         def execText(self, text):
  83                 exec text
  84
  85         def runScreen(self, arg):
  86                 # arg[0] is the module (as string)
  87                 # arg[1] is Screen inside this module
  88                 #        plus possible arguments, as
  89                 #        string (as we want to reference
  90                 #        stuff which is just imported)
  91                 # FIXME. somehow
  92                 print arg
  93                 if arg[0] != "":
  94                         exec "from " + arg[0] + " import *"
  95
  96                 self.openDialog(*eval(arg[1]))
  97
  98         def nothing(self):                                                                                                                                      #dummy
  99                 pass
 100
 101         def openDialog(self, *dialog):                          # in every layer needed
 102                 self.session.open(*dialog)
 103
 104         def openSetup(self, dialog):
 105                 self.session.openWithCallback(self.menuClosed, Setup, dialog)
 106
 107         def addMenu(self, destList, node):
 108                 MenuTitle = _(getValbyAttr(node, "text"))
 109                 if MenuTitle != "":                                                                                                                                     #check for title
 110                         a = boundFunction(self.session.openWithCallback, self.menuClosed, Menu, node, node.childNodes)
 111                         #TODO add check if !empty(node.childNodes)
 112                         destList.append((MenuTitle, a))
 113
 114         def menuClosed(self, *res):
 115                 if len(res) and res[0]:
 116                         self.close(True)
 117
 118         def addItem(self, destList, node):
 119                 ItemText = _(getValbyAttr(node, "text"))
 120                 if ItemText != "":                                                                                                                                      #check for name
 121                         for x in node.childNodes:
 122                                 if x.nodeType != xml.dom.minidom.Element.nodeType:
 123                                         continue
 124                                 elif x.tagName == 'screen':
 125                                         module = getValbyAttr(x, "module")
 126                                         screen = getValbyAttr(x, "screen")
 127
 128                                         if len(screen) == 0:
 129                                                 screen = module
 130
 131                                         if module != "":
 132                                                 module = "Screens." + module
 133
 134                                         # check for arguments. they will be appended to the
 135                                         # openDialog call
 136                                         args = XMLTools.mergeText(x.childNodes)
 137                                         screen += ", " + args
 138
 139                                         destList.append((ItemText, boundFunction(self.runScreen, (module, screen))))
 140                                         return
 141                                 elif x.tagName == 'code':
 142                                         destList.append((ItemText, boundFunction(self.execText, XMLTools.mergeText(x.childNodes))))
 143                                         return
 144                                 elif x.tagName == 'setup':
 145                                         id = getValbyAttr(x, "id")
 146                                         destList.append((ItemText, boundFunction(self.openSetup, id)))
 147                                         return
 148
 149                         destList.append((ItemText,self.nothing))
 150
 151
 152         def __init__(self, session, parent, childNode):
 153                 Screen.__init__(self, session)
 154
 155                 list = []
 156                 menuID = ""
 157
 158                 menuID = -1
 159                 for x in childNode:                                             #walk through the actual nodelist
 160                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 161                             continue
 162                         elif x.tagName == 'item':
 163                                 self.addItem(list, x)
 164                                 count += 1
 165                         elif x.tagName == 'menu':
 166                                 self.addMenu(list, x)
 167                                 count += 1
 168                         elif x.tagName == "id":
 169                                 menuID = getValbyAttr(x, "val")
 170                                 count = 0
 171                         if menuID != -1:
 172                                 if menuupdater.updatedMenuAvailable(menuID):
 173                                         for x in menuupdater.getUpdatedMenu(menuID):
 174                                                 if x[1] == count:
 175                                                         list.append((x[0], boundFunction(self.runScreen, (x[2], x[3] + ", "))))
 176                                                         count += 1
 177
 178
 179                 self["menu"] = MenuList(list)
 180
 181                 self["actions"] = ActionMap(["OkCancelActions", "MenuActions"],
 182                         {
 183                                 "ok": self.okbuttonClick,
 184                                 "cancel": self.closeNonRecursive,
 185                                 "menu": self.closeRecursive
 186                         })
 187
 188                 a = getValbyAttr(parent, "title")
 189                 if a == "":                                                                                                             #if empty use name
 190                         a = _(getValbyAttr(parent, "text"))
 191                 self["title"] = Header(a)
 192
 193         def closeNonRecursive(self):
 194                 self.close(False)
 195
 196         def closeRecursive(self):
 197                 self.close(True)
 198
 199 class MainMenu(Menu):
 200         #add file load functions for the xml-file
 201
 202         def __init__(self, *x):
 203                 Menu.__init__(self, *x)
 204                 self.skinName = "Menu"
 205
 206         def openDialog(self, dialog):
 207                 self.session.open(dialog)
 208
 209         def openSetup(self, dialog):
 210                 self.session.open(Setup, dialog)
 211
 212         def setModeTV(self):
 213                 print "set Mode to TV"
 214                 pass
 215
 216         def setModeRadio(self):
 217                 print "set Mode to Radio"
 218                 pass
 219
 220         def setModeFile(self):
 221                 print "set Mode to File"
 222                 pass