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