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.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):
  39                 if not self.updatedMenuAvailable(id):
  40                         self.updatedMenuItems[id] = []
  41                 self.updatedMenuItems[id].append([text, pos, module, screen])
  42
  43         def delMenuItem(self, id, pos, text, module, screen):
  44                 self.updatedMenuItems[id].remove([text, pos, module, screen])
  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                 x = node.getAttribute("flushConfigOnClose")
 106                 if x:
 107                         a = boundFunction(self.session.openWithCallback, self.menuClosedWithConfigFlush, Menu, node, node.childNodes)
 108                 else:
 109                         a = boundFunction(self.session.openWithCallback, self.menuClosed, Menu, node, node.childNodes)
 110                 #TODO add check if !empty(node.childNodes)
 111                 destList.append((MenuTitle, a, entryID))
 112
 113         def menuClosedWithConfigFlush(self, *res):
 114                 configfile.save()
 115                 self.menuClosed(*res)
 116
 117         def menuClosed(self, *res):
 118                 if len(res) and res[0]:
 119                         self.close(True)
 120
 121         def addItem(self, destList, node):
 122                 item_text = node.getAttribute("text").encode("UTF-8")
 123                 entryID = node.getAttribute("entryID") or "undefined"
 124                 for x in node.childNodes:
 125                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 126                                 continue
 127                         elif x.tagName == 'screen':
 128                                 module = x.getAttribute("module") or None
 129                                 screen = x.getAttribute("screen") or None
 130
 131                                 if screen is None:
 132                                         screen = module
 133
 134                                 print module, screen
 135                                 if module:
 136                                         module = "Screens." + module
 137                                 else:
 138                                         module = ""
 139
 140                                 # check for arguments. they will be appended to the
 141                                 # openDialog call
 142                                 args = XMLTools.mergeText(x.childNodes)
 143                                 screen += ", " + args
 144
 145                                 destList.append((_(item_text or "??"), boundFunction(self.runScreen, (module, screen)), entryID))
 146                                 return
 147                         elif x.tagName == 'code':
 148                                 destList.append((_(item_text or "??"), boundFunction(self.execText, XMLTools.mergeText(x.childNodes)), entryID))
 149                                 return
 150                         elif x.tagName == 'setup':
 151                                 id = x.getAttribute("id")
 152                                 if item_text == "":
 153                                         item_text = _(getSetupTitle(id)) + "..."
 154                                 else:
 155                                         item_text = _(item_text)
 156                                 destList.append((item_text, boundFunction(self.openSetup, id), entryID))
 157                                 return
 158                 destList.append((item_text, self.nothing, entryID))
 159
 160
 161         def __init__(self, session, parent, childNode):
 162                 Screen.__init__(self, session)
 163
 164                 list = []
 165
 166                 menuID = None
 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 = x.getAttribute("val")
 178                                 count = 0
 179
 180                         if menuID is not None:
 181                                 # menuupdater?
 182                                 if menuupdater.updatedMenuAvailable(menuID):
 183                                         for x in menuupdater.getUpdatedMenu(menuID):
 184                                                 if x[1] == count:
 185                                                         list.append((x[0], boundFunction(self.runScreen, (x[2], x[3] + ", "))))
 186                                                         count += 1
 187
 188                 if menuID is not None:
 189                         # plugins
 190                         for l in plugins.getPluginsForMenu(menuID):
 191                                 list.append((l[0], boundFunction(l[1], self.session), l[2]))
 192
 193                 # for the skin: first try a menu_<menuID>, then Menu
 194                 self.skinName = [ ]
 195                 if menuID is not None:
 196                         self.skinName.append("menu_" + menuID)
 197                 self.skinName.append("Menu")
 198
 199                 self["menu"] = List(list)
 200
 201                 self["actions"] = ActionMap(["OkCancelActions", "MenuActions"],
 202                         {
 203                                 "ok": self.okbuttonClick,
 204                                 "cancel": self.closeNonRecursive,
 205                                 "menu": self.closeRecursive
 206                         })
 207
 208                 a = parent.getAttribute("title").encode("UTF-8") or None
 209                 if a is None:
 210                         a = _(parent.getAttribute("text").encode("UTF-8"))
 211                 self["title"] = StaticText(a)
 212                 self.menu_title = a
 213
 214         def closeNonRecursive(self):
 215                 self.close(False)
 216
 217         def closeRecursive(self):
 218                 self.close(True)
 219
 220         def createSummary(self):
 221                 return MenuSummary
 222
 223 class MainMenu(Menu):
 224         #add file load functions for the xml-file
 225
 226         def __init__(self, *x):
 227                 self.skinName = "Menu"
 228                 Menu.__init__(self, *x)