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                 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                         x = getValbyAttr(node, "flushConfigOnClose")
 111                         if x == "1":
 112                                 a = boundFunction(self.session.openWithCallback, self.menuClosedWithConfigFlush, Menu, node, node.childNodes)
 113                         else:
 114                                 a = boundFunction(self.session.openWithCallback, self.menuClosed, Menu, node, node.childNodes)
 115                         #TODO add check if !empty(node.childNodes)
 116                         destList.append((MenuTitle, a))
 117
 118         def menuClosedWithConfigFlush(self, *res):
 119                 configfile.save()
 120                 self.menuClosed(*res)
 121
 122         def menuClosed(self, *res):
 123                 if len(res) and res[0]:
 124                         self.close(True)
 125
 126         def addItem(self, destList, node):
 127                 ItemText = _(getValbyAttr(node, "text"))
 128                 if ItemText != "":                                                                                                                                      #check for name
 129                         for x in node.childNodes:
 130                                 if x.nodeType != xml.dom.minidom.Element.nodeType:
 131                                         continue
 132                                 elif x.tagName == 'screen':
 133                                         module = getValbyAttr(x, "module")
 134                                         screen = getValbyAttr(x, "screen")
 135
 136                                         if len(screen) == 0:
 137                                                 screen = module
 138
 139                                         if module != "":
 140                                                 module = "Screens." + module
 141
 142                                         # check for arguments. they will be appended to the
 143                                         # openDialog call
 144                                         args = XMLTools.mergeText(x.childNodes)
 145                                         screen += ", " + args
 146
 147                                         destList.append((ItemText, boundFunction(self.runScreen, (module, screen))))
 148                                         return
 149                                 elif x.tagName == 'code':
 150                                         destList.append((ItemText, boundFunction(self.execText, XMLTools.mergeText(x.childNodes))))
 151                                         return
 152                                 elif x.tagName == 'setup':
 153                                         id = getValbyAttr(x, "id")
 154                                         destList.append((ItemText, boundFunction(self.openSetup, id)))
 155                                         return
 156
 157                         destList.append((ItemText,self.nothing))
 158
 159
 160         def __init__(self, session, parent, childNode):
 161                 Screen.__init__(self, session)
 162
 163                 list = []
 164                 menuID = ""
 165
 166                 menuID = -1
 167                 for x in childNode:                                             #walk through the actual nodelist
 168                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 169                             continue
 170                         elif x.tagName == 'item':
 171                                 self.addItem(list, x)
 172                                 count += 1
 173                         elif x.tagName == 'menu':
 174                                 self.addMenu(list, x)
 175                                 count += 1
 176                         elif x.tagName == "id":
 177                                 menuID = getValbyAttr(x, "val")
 178                                 count = 0
 179                         if menuID != -1:
 180                                 if menuupdater.updatedMenuAvailable(menuID):
 181                                         for x in menuupdater.getUpdatedMenu(menuID):
 182                                                 if x[1] == count:
 183                                                         list.append((x[0], boundFunction(self.runScreen, (x[2], x[3] + ", "))))
 184                                                         count += 1
 185
 186
 187                 self["menu"] = MenuList(list)
 188
 189                 self["actions"] = ActionMap(["OkCancelActions", "MenuActions"],
 190                         {
 191                                 "ok": self.okbuttonClick,
 192                                 "cancel": self.closeNonRecursive,
 193                                 "menu": self.closeRecursive
 194                         })
 195
 196                 a = getValbyAttr(parent, "title")
 197                 if a == "":                                                                                                             #if empty use name
 198                         a = _(getValbyAttr(parent, "text"))
 199                 self["title"] = Header(a)
 200
 201         def closeNonRecursive(self):
 202                 self.close(False)
 203
 204         def closeRecursive(self):
 205                 self.close(True)
 206
 207 class MainMenu(Menu):
 208         #add file load functions for the xml-file
 209
 210         def __init__(self, *x):
 211                 Menu.__init__(self, *x)
 212                 self.skinName = "Menu"
 213
 214         def openDialog(self, dialog):
 215                 self.session.open(dialog)
 216
 217         def openSetup(self, dialog):
 218                 self.session.open(Setup, dialog)
 219
 220         def setModeTV(self):
 221                 print "set Mode to TV"
 222                 pass
 223
 224         def setModeRadio(self):
 225                 print "set Mode to Radio"
 226                 pass
 227
 228         def setModeFile(self):
 229                 print "set Mode to File"
 230                 pass