lib/python/Screens/Menu.py

   1 from Screen import Screen
   2 from Components.Sources.List import List
   3 from Components.ActionMap import NumberActionMap
   4 from Components.Sources.StaticText import StaticText
   5 from Components.config import configfile
   6 from Components.PluginComponent import plugins
   7 from Components.config import config
   8
   9 from Tools.Directories import resolveFilename, SCOPE_SKIN
  10
  11 import xml.dom.minidom
  12
  13 from Screens.Setup import Setup, getSetupTitle
  14
  15 from Tools import XMLTools
  16
  17 #               <item text="TV-Mode">self.setModeTV()</item>
  18 #               <item text="Radio-Mode">self.setModeRadio()</item>
  19 #               <item text="File-Mode">self.setModeFile()</item>
  20 #                       <item text="Sleep Timer"></item>
  21
  22
  23 # read the menu
  24 menufile = file(resolveFilename(SCOPE_SKIN, 'menu.xml'), 'r')
  25 mdom = xml.dom.minidom.parseString(menufile.read())
  26 menufile.close()
  27
  28 class boundFunction:
  29         def __init__(self, fnc, *args):
  30                 self.fnc = fnc
  31                 self.args = args
  32         def __call__(self):
  33                 self.fnc(*self.args)
  34
  35 class MenuUpdater:
  36         def __init__(self):
  37                 self.updatedMenuItems = {}
  38
  39         def addMenuItem(self, id, pos, text, module, screen, weight):
  40                 if not self.updatedMenuAvailable(id):
  41                         self.updatedMenuItems[id] = []
  42                 self.updatedMenuItems[id].append([text, pos, module, screen, weight])
  43
  44         def delMenuItem(self, id, pos, text, module, screen, weight):
  45                 self.updatedMenuItems[id].remove([text, pos, module, screen, weight])
  46
  47         def updatedMenuAvailable(self, id):
  48                 return self.updatedMenuItems.has_key(id)
  49
  50         def getUpdatedMenu(self, id):
  51                 return self.updatedMenuItems[id]
  52
  53 menuupdater = MenuUpdater()
  54
  55 class MenuSummary(Screen):
  56         skin = """
  57         <screen position="0,0" size="132,64">
  58                 <widget source="parent.title" render="Label" position="6,4" size="120,21" font="Regular;18" />
  59                 <widget source="parent.menu" render="Label" position="6,25" size="120,21" font="Regular;16">
  60                         <convert type="StringListSelection" />
  61                 </widget>
  62                 <widget source="global.CurrentTime" render="Label" position="56,46" size="82,18" font="Regular;16" >
  63                         <convert type="ClockToText">WithSeconds</convert>
  64                 </widget>
  65         </screen>"""
  66
  67         def __init__(self, session, parent):
  68                 Screen.__init__(self, session, parent)
  69
  70 class Menu(Screen):
  71
  72         ALLOW_SUSPEND = True
  73
  74         def okbuttonClick(self):
  75                 print "okbuttonClick"
  76                 selection = self["menu"].getCurrent()
  77                 selection[1]()
  78
  79         def execText(self, text):
  80                 exec text
  81
  82         def runScreen(self, arg):
  83                 # arg[0] is the module (as string)
  84                 # arg[1] is Screen inside this module
  85                 #        plus possible arguments, as
  86                 #        string (as we want to reference
  87                 #        stuff which is just imported)
  88                 # FIXME. somehow
  89                 if arg[0] != "":
  90                         exec "from " + arg[0] + " import *"
  91
  92                 self.openDialog(*eval(arg[1]))
  93
  94         def nothing(self): #dummy
  95                 pass
  96
  97         def openDialog(self, *dialog):                          # in every layer needed
  98                 self.session.openWithCallback(self.menuClosed, *dialog)
  99
 100         def openSetup(self, dialog):
 101                 self.session.openWithCallback(self.menuClosed, Setup, dialog)
 102
 103         def addMenu(self, destList, node):
 104                 MenuTitle = _(node.getAttribute("text").encode("UTF-8") or "??")
 105                 entryID = node.getAttribute("entryID") or "undefined"
 106                 weight = node.getAttribute("weight") or 50
 107                 x = node.getAttribute("flushConfigOnClose")
 108                 if x:
 109                         a = boundFunction(self.session.openWithCallback, self.menuClosedWithConfigFlush, Menu, node, node.childNodes)
 110                 else:
 111                         a = boundFunction(self.session.openWithCallback, self.menuClosed, Menu, node, node.childNodes)
 112                 #TODO add check if !empty(node.childNodes)
 113                 destList.append((MenuTitle, a, entryID, weight))
 114
 115         def menuClosedWithConfigFlush(self, *res):
 116                 configfile.save()
 117                 self.menuClosed(*res)
 118
 119         def menuClosed(self, *res):
 120                 if len(res) and res[0]:
 121                         self.close(True)
 122
 123         def addItem(self, destList, node):
 124                 item_text = node.getAttribute("text").encode("UTF-8")
 125                 entryID = node.getAttribute("entryID") or "undefined"
 126                 weight = node.getAttribute("weight") or 50
 127                 for x in node.childNodes:
 128                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 129                                 continue
 130                         elif x.tagName == 'screen':
 131                                 module = x.getAttribute("module") or None
 132                                 screen = x.getAttribute("screen") or None
 133
 134                                 if screen is None:
 135                                         screen = module
 136
 137                                 print module, screen
 138                                 if module:
 139                                         module = "Screens." + module
 140                                 else:
 141                                         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((_(item_text or "??"), boundFunction(self.runScreen, (module, screen)), entryID, weight))
 149                                 return
 150                         elif x.tagName == 'code':
 151                                 destList.append((_(item_text or "??"), boundFunction(self.execText, XMLTools.mergeText(x.childNodes)), entryID, weight))
 152                                 return
 153                         elif x.tagName == 'setup':
 154                                 id = x.getAttribute("id")
 155                                 if item_text == "":
 156                                         item_text = _(getSetupTitle(id)) + "..."
 157                                 else:
 158                                         item_text = _(item_text)
 159                                 destList.append((item_text, boundFunction(self.openSetup, id), entryID, weight))
 160                                 return
 161                 destList.append((item_text, self.nothing, entryID, weight))
 162
 163
 164         def __init__(self, session, parent, childNode):
 165                 Screen.__init__(self, session)
 166
 167                 list = []
 168
 169                 menuID = None
 170                 for x in childNode:                                             #walk through the actual nodelist
 171                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 172                             continue
 173                         elif x.tagName == 'item':
 174                                 item_level = int(x.getAttribute("level") or "0")
 175                                 if item_level <= config.usage.setup_level.index:
 176                                         self.addItem(list, x)
 177                                         count += 1
 178                         elif x.tagName == 'menu':
 179                                 self.addMenu(list, x)
 180                                 count += 1
 181                         elif x.tagName == "id":
 182                                 menuID = x.getAttribute("val")
 183                                 count = 0
 184
 185                         if menuID is not None:
 186                                 # menuupdater?
 187                                 if menuupdater.updatedMenuAvailable(menuID):
 188                                         for x in menuupdater.getUpdatedMenu(menuID):
 189                                                 if x[1] == count:
 190                                                         list.append((x[0], boundFunction(self.runScreen, (x[2], x[3] + ", ")), x[4]))
 191                                                         count += 1
 192
 193                 if menuID is not None:
 194                         # plugins
 195                         for l in plugins.getPluginsForMenu(menuID):
 196                                 list.append((l[0], boundFunction(l[1], self.session), l[2], l[3] or 50))
 197
 198
 199                 # for the skin: first try a menu_<menuID>, then Menu
 200                 self.skinName = [ ]
 201                 if menuID is not None:
 202                         self.skinName.append("menu_" + menuID)
 203                 self.skinName.append("Menu")
 204
 205                 # Sort by Weight
 206                 list.sort(key=lambda x: int(x[3]))
 207
 208                 self["menu"] = List(list)
 209
 210                 self["actions"] = NumberActionMap(["OkCancelActions", "MenuActions", "NumberActions"],
 211                         {
 212                                 "ok": self.okbuttonClick,
 213                                 "cancel": self.closeNonRecursive,
 214                                 "menu": self.closeRecursive,
 215                                 "1": self.keyNumberGlobal,
 216                                 "2": self.keyNumberGlobal,
 217                                 "3": self.keyNumberGlobal,
 218                                 "4": self.keyNumberGlobal,
 219                                 "5": self.keyNumberGlobal,
 220                                 "6": self.keyNumberGlobal,
 221                                 "7": self.keyNumberGlobal,
 222                                 "8": self.keyNumberGlobal,
 223                                 "9": self.keyNumberGlobal
 224                         })
 225
 226                 a = parent.getAttribute("title").encode("UTF-8") or None
 227                 if a is None:
 228                         a = _(parent.getAttribute("text").encode("UTF-8"))
 229                 self["title"] = StaticText(a)
 230                 self.menu_title = a
 231
 232         def keyNumberGlobal(self, number):
 233                 print "menu keyNumber:", number
 234                 # Calculate index
 235                 number -= 1
 236
 237                 if len(self["menu"].list) > number:
 238                         self["menu"].setIndex(number)
 239                         self.okbuttonClick()
 240
 241         def closeNonRecursive(self):
 242                 self.close(False)
 243
 244         def closeRecursive(self):
 245                 self.close(True)
 246
 247         def createSummary(self):
 248                 return MenuSummary
 249
 250 class MainMenu(Menu):
 251         #add file load functions for the xml-file
 252
 253         def __init__(self, *x):
 254                 self.skinName = "Menu"
 255                 Menu.__init__(self, *x)