lib/python/Screens/Menu.py

   1 from Screen import Screen
   2 from Components.Sources.List import List
   3 from Components.ActionMap import ActionMap
   4 from Components.Header import Header
   5 from Components.Label import Label
   6 from Components.config import configfile
   7 from Components.Sources.Clock import Clock
   8 from Components.PluginComponent import plugins
   9
  10 from Tools.Directories import resolveFilename, SCOPE_SKIN
  11
  12 import xml.dom.minidom
  13
  14 from Screens.Setup import Setup, getSetupTitle
  15
  16 from Tools import XMLTools
  17
  18 #               <item text="TV-Mode">self.setModeTV()</item>
  19 #               <item text="Radio-Mode">self.setModeRadio()</item>
  20 #               <item text="File-Mode">self.setModeFile()</item>
  21 #                       <item text="Sleep Timer"></item>
  22
  23
  24 # read the menu
  25 menufile = file(resolveFilename(SCOPE_SKIN, 'menu.xml'), 'r')
  26 mdom = xml.dom.minidom.parseString(menufile.read())
  27 menufile.close()
  28
  29 class boundFunction:
  30         def __init__(self, fnc, *args):
  31                 self.fnc = fnc
  32                 self.args = args
  33         def __call__(self):
  34                 self.fnc(*self.args)
  35
  36 class MenuUpdater:
  37         def __init__(self):
  38                 self.updatedMenuItems = {}
  39
  40         def addMenuItem(self, id, pos, text, module, screen):
  41                 if not self.updatedMenuAvailable(id):
  42                         self.updatedMenuItems[id] = []
  43                 self.updatedMenuItems[id].append([text, pos, module, screen])
  44
  45         def delMenuItem(self, id, pos, text, module, screen):
  46                 self.updatedMenuItems[id].remove([text, pos, module, screen])
  47
  48         def updatedMenuAvailable(self, id):
  49                 return self.updatedMenuItems.has_key(id)
  50
  51         def getUpdatedMenu(self, id):
  52                 return self.updatedMenuItems[id]
  53
  54 menuupdater = MenuUpdater()
  55
  56 class MenuSummary(Screen):
  57         skin = """
  58         <screen position="0,0" size="132,64">
  59                 <widget name="MenuTitle" position="6,4" size="120,21" font="Regular;18" />
  60                 <widget source="parent.menu" render="Label" position="6,25" size="120,21" font="Regular;16">
  61                         <convert type="StringListSelection" />
  62                 </widget>
  63                 <widget source="global.CurrentTime" render="Label" position="56,46" size="82,18" font="Regular;16" >
  64                         <convert type="ClockToText">WithSeconds</convert>
  65                 </widget>
  66         </screen>"""
  67
  68         def __init__(self, session, parent):
  69                 Screen.__init__(self, session, parent)
  70                 self["MenuTitle"] = Label(parent.menu_title)
  71
  72 class Menu(Screen):
  73
  74         ALLOW_SUSPEND = True
  75
  76         def okbuttonClick(self):
  77                 print "okbuttonClick"
  78                 selection = self["menu"].getCurrent()
  79                 selection[1]()
  80
  81         def execText(self, text):
  82                 exec text
  83
  84         def runScreen(self, arg):
  85                 # arg[0] is the module (as string)
  86                 # arg[1] is Screen inside this module
  87                 #        plus possible arguments, as
  88                 #        string (as we want to reference
  89                 #        stuff which is just imported)
  90                 # FIXME. somehow
  91                 if arg[0] != "":
  92                         exec "from " + arg[0] + " import *"
  93
  94                 self.openDialog(*eval(arg[1]))
  95
  96         def nothing(self): #dummy
  97                 pass
  98
  99         def openDialog(self, *dialog):                          # in every layer needed
 100                 self.session.openWithCallback(self.menuClosed, *dialog)
 101
 102         def openSetup(self, dialog):
 103                 self.session.openWithCallback(self.menuClosed, Setup, dialog)
 104
 105         def addMenu(self, destList, node):
 106                 MenuTitle = _(node.getAttribute("text").encode("UTF-8") or "??")
 107                 entryID = node.getAttribute("entryID") or "undefined"
 108                 x = node.getAttribute("flushConfigOnClose")
 109                 if x:
 110                         a = boundFunction(self.session.openWithCallback, self.menuClosedWithConfigFlush, Menu, node, node.childNodes)
 111                 else:
 112                         a = boundFunction(self.session.openWithCallback, self.menuClosed, Menu, node, node.childNodes)
 113                 #TODO add check if !empty(node.childNodes)
 114                 destList.append((MenuTitle, a, entryID))
 115
 116         def menuClosedWithConfigFlush(self, *res):
 117                 configfile.save()
 118                 self.menuClosed(*res)
 119
 120         def menuClosed(self, *res):
 121                 if len(res) and res[0]:
 122                         self.close(True)
 123
 124         def addItem(self, destList, node):
 125                 item_text = node.getAttribute("text").encode("UTF-8")
 126                 entryID = node.getAttribute("entryID") or "undefined"
 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))
 149                                 return
 150                         elif x.tagName == 'code':
 151                                 destList.append((_(item_text or "??"), boundFunction(self.execText, XMLTools.mergeText(x.childNodes)), entryID))
 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))
 160                                 return
 161                 destList.append((item_text, self.nothing, entryID))
 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                                 self.addItem(list, x)
 175                                 count += 1
 176                         elif x.tagName == 'menu':
 177                                 self.addMenu(list, x)
 178                                 count += 1
 179                         elif x.tagName == "id":
 180                                 menuID = x.getAttribute("val")
 181                                 count = 0
 182
 183                         if menuID is not None:
 184                                 # menuupdater?
 185                                 if menuupdater.updatedMenuAvailable(menuID):
 186                                         for x in menuupdater.getUpdatedMenu(menuID):
 187                                                 if x[1] == count:
 188                                                         list.append((x[0], boundFunction(self.runScreen, (x[2], x[3] + ", "))))
 189                                                         count += 1
 190
 191                 if menuID is not None:
 192                         # plugins
 193                         for l in plugins.getPluginsForMenu(menuID):
 194                                 list.append((l[0], boundFunction(l[1], self.session)))
 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                 self["menu"] = List(list)
 203
 204                 self["actions"] = ActionMap(["OkCancelActions", "MenuActions"],
 205                         {
 206                                 "ok": self.okbuttonClick,
 207                                 "cancel": self.closeNonRecursive,
 208                                 "menu": self.closeRecursive
 209                         })
 210
 211                 a = parent.getAttribute("title").encode("UTF-8") or None
 212                 if a is None:
 213                         a = _(parent.getAttribute("text").encode("UTF-8"))
 214                 self["title"] = Header(a)
 215                 self.menu_title = a
 216
 217         def closeNonRecursive(self):
 218                 self.close(False)
 219
 220         def closeRecursive(self):
 221                 self.close(True)
 222
 223         def createSummary(self):
 224                 return MenuSummary
 225
 226 class MainMenu(Menu):
 227         #add file load functions for the xml-file
 228
 229         def __init__(self, *x):
 230                 self.skinName = "Menu"
 231                 Menu.__init__(self, *x)