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 from Components.config import configfile
   9
  10 from Tools.Directories import resolveFilename, SCOPE_SKIN
  11
  12 from enigma import quitMainloop
  13
  14 import xml.dom.minidom
  15 from xml.dom import EMPTY_NAMESPACE
  16 from skin import elementsWithTag
  17
  18 from Screens.Setup import *
  19
  20 from Tools import XMLTools
  21
  22 # some screens
  23 def doGlobal(screen):
  24         screen["clock"] = Clock()
  25
  26
  27 #               <item text="TV-Mode">self.setModeTV()</item>
  28 #               <item text="Radio-Mode">self.setModeRadio()</item>
  29 #               <item text="File-Mode">self.setModeFile()</item>
  30 #               <item text="Scart">self.openDialog(ScartLoopThrough)</item>
  31 #                       <item text="Sleep Timer"></item>
  32
  33
  34 # read the menu
  35 menufile = file(resolveFilename(SCOPE_SKIN, 'menu.xml'), 'r')
  36 mdom = xml.dom.minidom.parseString(menufile.read())
  37 menufile.close()
  38
  39
  40 def getValbyAttr(x, attr):
  41         for p in range(x.attributes.length):
  42                 a = x.attributes.item(p)
  43                 attrib = str(a.name)
  44                 value = str(a.value)
  45                 if attrib == attr:
  46                         return value
  47
  48         return ""
  49
  50 class boundFunction:
  51         def __init__(self, fnc, *args):
  52                 self.fnc = fnc
  53                 self.args = args
  54         def __call__(self):
  55                 self.fnc(*self.args)
  56
  57 class MenuUpdater:
  58         def __init__(self):
  59                 self.updatedMenuItems = {}
  60
  61         def addMenuItem(self, id, pos, text, module, screen):
  62                 if not self.updatedMenuAvailable(id):
  63                         self.updatedMenuItems[id] = []
  64                 self.updatedMenuItems[id].append([text, pos, module, screen])
  65
  66         def delMenuItem(self, id, pos, text, module, screen):
  67                 self.updatedMenuItems[id].remove([text, pos, module, screen])
  68
  69         def updatedMenuAvailable(self, id):
  70                 return self.updatedMenuItems.has_key(id)
  71
  72         def getUpdatedMenu(self, id):
  73                 return self.updatedMenuItems[id]
  74
  75 menuupdater = MenuUpdater()
  76
  77 class Menu(Screen):
  78         def okbuttonClick(self):
  79                 print "okbuttonClick"
  80                 selection = self["menu"].getCurrent()
  81                 selection[1]()
  82
  83         def execText(self, text):
  84                 exec text
  85
  86         def runScreen(self, arg):
  87                 # arg[0] is the module (as string)
  88                 # arg[1] is Screen inside this module
  89                 #        plus possible arguments, as
  90                 #        string (as we want to reference
  91                 #        stuff which is just imported)
  92                 # FIXME. somehow
  93                 print arg
  94                 if arg[0] != "":
  95                         exec "from " + arg[0] + " import *"
  96
  97                 self.openDialog(*eval(arg[1]))
  98
  99         def nothing(self):                                                                                                                                      #dummy
 100                 pass
 101
 102         def openDialog(self, *dialog):                          # in every layer needed
 103                 self.session.open(*dialog)
 104
 105         def openSetup(self, dialog):
 106                 self.session.openWithCallback(self.menuClosed, Setup, dialog)
 107
 108         def addMenu(self, destList, node):
 109                 MenuTitle = _(getValbyAttr(node, "text"))
 110                 if MenuTitle != "":                                                                                                                                     #check for title
 111                         x = getValbyAttr(node, "flushConfigOnClose")
 112                         if x == "1":
 113                                 a = boundFunction(self.session.openWithCallback, self.menuClosedWithConfigFlush, Menu, node, node.childNodes)
 114                         else:
 115                                 a = boundFunction(self.session.openWithCallback, self.menuClosed, Menu, node, node.childNodes)
 116                         #TODO add check if !empty(node.childNodes)
 117                         destList.append((MenuTitle, a))
 118
 119         def menuClosedWithConfigFlush(self, *res):
 120                 configfile.save()
 121                 self.menuClosed(res)
 122
 123         def menuClosed(self, *res):
 124                 if len(res) and res[0]:
 125                         self.close(True)
 126
 127         def addItem(self, destList, node):
 128                 ItemText = _(getValbyAttr(node, "text"))
 129                 if ItemText != "":                                                                                                                                      #check for name
 130                         for x in node.childNodes:
 131                                 if x.nodeType != xml.dom.minidom.Element.nodeType:
 132                                         continue
 133                                 elif x.tagName == 'screen':
 134                                         module = getValbyAttr(x, "module")
 135                                         screen = getValbyAttr(x, "screen")
 136
 137                                         if len(screen) == 0:
 138                                                 screen = module
 139
 140                                         if module != "":
 141                                                 module = "Screens." + module
 142
 143                                         # check for arguments. they will be appended to the
 144                                         # openDialog call
 145                                         args = XMLTools.mergeText(x.childNodes)
 146                                         screen += ", " + args
 147
 148                                         destList.append((ItemText, boundFunction(self.runScreen, (module, screen))))
 149                                         return
 150                                 elif x.tagName == 'code':
 151                                         destList.append((ItemText, boundFunction(self.execText, XMLTools.mergeText(x.childNodes))))
 152                                         return
 153                                 elif x.tagName == 'setup':
 154                                         id = getValbyAttr(x, "id")
 155                                         destList.append((ItemText, boundFunction(self.openSetup, id)))
 156                                         return
 157
 158                         destList.append((ItemText,self.nothing))
 159
 160
 161         def __init__(self, session, parent, childNode):
 162                 Screen.__init__(self, session)
 163
 164                 list = []
 165                 menuID = ""
 166
 167                 menuID = -1
 168                 for x in childNode:                                             #walk through the actual nodelist
 169                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 170                             continue
 171                         elif x.tagName == 'item':
 172                                 self.addItem(list, x)
 173                                 count += 1
 174                         elif x.tagName == 'menu':
 175                                 self.addMenu(list, x)
 176                                 count += 1
 177                         elif x.tagName == "id":
 178                                 menuID = getValbyAttr(x, "val")
 179                                 count = 0
 180                         if menuID != -1:
 181                                 if menuupdater.updatedMenuAvailable(menuID):
 182                                         for x in menuupdater.getUpdatedMenu(menuID):
 183                                                 if x[1] == count:
 184                                                         list.append((x[0], boundFunction(self.runScreen, (x[2], x[3] + ", "))))
 185                                                         count += 1
 186
 187
 188                 self["menu"] = MenuList(list)
 189
 190                 self["actions"] = ActionMap(["OkCancelActions", "MenuActions"],
 191                         {
 192                                 "ok": self.okbuttonClick,
 193                                 "cancel": self.closeNonRecursive,
 194                                 "menu": self.closeRecursive
 195                         })
 196
 197                 a = getValbyAttr(parent, "title")
 198                 if a == "":                                                                                                             #if empty use name
 199                         a = _(getValbyAttr(parent, "text"))
 200                 self["title"] = Header(a)
 201
 202         def closeNonRecursive(self):
 203                 self.close(False)
 204
 205         def closeRecursive(self):
 206                 self.close(True)
 207
 208 class MainMenu(Menu):
 209         #add file load functions for the xml-file
 210
 211         def __init__(self, *x):
 212                 Menu.__init__(self, *x)
 213                 self.skinName = "Menu"
 214
 215         def openDialog(self, dialog):
 216                 self.session.open(dialog)
 217
 218         def openSetup(self, dialog):
 219                 self.session.open(Setup, dialog)
 220
 221         def setModeTV(self):
 222                 print "set Mode to TV"
 223                 pass
 224
 225         def setModeRadio(self):
 226                 print "set Mode to Radio"
 227                 pass
 228
 229         def setModeFile(self):
 230                 print "set Mode to File"
 231                 pass