lib/python/Screens/Menu.py

   1 from Screen import Screen
   2 from Components.Sources.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 from Components.Sources.Clock import Clock
  10
  11 from Tools.Directories import resolveFilename, SCOPE_SKIN
  12
  13 from enigma import quitMainloop
  14
  15 import xml.dom.minidom
  16 from xml.dom import EMPTY_NAMESPACE
  17 from skin import elementsWithTag
  18
  19 from Screens.Setup import Setup, getSetupTitle
  20
  21 from Tools import XMLTools
  22
  23 #               <item text="TV-Mode">self.setModeTV()</item>
  24 #               <item text="Radio-Mode">self.setModeRadio()</item>
  25 #               <item text="File-Mode">self.setModeFile()</item>
  26 #               <item text="Scart">self.openDialog(ScartLoopThrough)</item>
  27 #                       <item text="Sleep Timer"></item>
  28
  29
  30 # read the menu
  31 menufile = file(resolveFilename(SCOPE_SKIN, 'menu.xml'), 'r')
  32 mdom = xml.dom.minidom.parseString(menufile.read())
  33 menufile.close()
  34
  35 class boundFunction:
  36         def __init__(self, fnc, *args):
  37                 self.fnc = fnc
  38                 self.args = args
  39         def __call__(self):
  40                 self.fnc(*self.args)
  41
  42 class MenuUpdater:
  43         def __init__(self):
  44                 self.updatedMenuItems = {}
  45
  46         def addMenuItem(self, id, pos, text, module, screen):
  47                 if not self.updatedMenuAvailable(id):
  48                         self.updatedMenuItems[id] = []
  49                 self.updatedMenuItems[id].append([text, pos, module, screen])
  50
  51         def delMenuItem(self, id, pos, text, module, screen):
  52                 self.updatedMenuItems[id].remove([text, pos, module, screen])
  53
  54         def updatedMenuAvailable(self, id):
  55                 return self.updatedMenuItems.has_key(id)
  56
  57         def getUpdatedMenu(self, id):
  58                 return self.updatedMenuItems[id]
  59
  60 menuupdater = MenuUpdater()
  61
  62 class MenuSummary(Screen):
  63         skin = """
  64         <screen position="0,0" size="132,64">
  65                 <widget name="MenuTitle" position="0,4" size="132,21" font="Regular;18" />
  66                 <widget name="MenuEntry" position="0,25" size="132,21" font="Regular;16" />
  67                 <widget source="CurrentTime" render="Label" position="50,46" size="82,18" font="Regular;16" >
  68                         <convert type="ClockToText">WithSeconds</convert>
  69                 </widget>
  70         </screen>"""
  71
  72         def __init__(self, session, parent):
  73                 Screen.__init__(self, session)
  74                 self["MenuTitle"] = Label(parent.menu_title)
  75                 self["MenuEntry"] = Label("")
  76                 self["CurrentTime"] = Clock()
  77                 self.parent = parent
  78                 self.onShow.append(self.addWatcher)
  79                 self.onHide.append(self.removeWatcher)
  80
  81         def addWatcher(self):
  82                 self.parent["menu"].onSelectionChanged.append(self.selectionChanged)
  83                 self.selectionChanged()
  84
  85         def removeWatcher(self):
  86                 self.parent["menu"].onSelectionChanged.remove(self.selectionChanged)
  87
  88         def selectionChanged(self):
  89                 self["MenuEntry"].setText(self.parent["menu"].getCurrent()[0])
  90
  91 class Menu(Screen):
  92         def okbuttonClick(self):
  93                 print "okbuttonClick"
  94                 selection = self["menu"].getCurrent()
  95                 selection[1]()
  96
  97         def execText(self, text):
  98                 exec text
  99
 100         def runScreen(self, arg):
 101                 # arg[0] is the module (as string)
 102                 # arg[1] is Screen inside this module
 103                 #        plus possible arguments, as
 104                 #        string (as we want to reference
 105                 #        stuff which is just imported)
 106                 # FIXME. somehow
 107                 if arg[0] != "":
 108                         exec "from " + arg[0] + " import *"
 109
 110                 self.openDialog(*eval(arg[1]))
 111
 112         def nothing(self):                                                                                                                                      #dummy
 113                 pass
 114
 115         def openDialog(self, *dialog):                          # in every layer needed
 116                 self.session.open(*dialog)
 117
 118         def openSetup(self, dialog):
 119                 self.session.openWithCallback(self.menuClosed, Setup, dialog)
 120
 121         def addMenu(self, destList, node):
 122                 MenuTitle = _(node.getAttribute("text").encode("UTF-8") or "??")
 123                 x = node.getAttribute("flushConfigOnClose")
 124                 if x:
 125                         a = boundFunction(self.session.openWithCallback, self.menuClosedWithConfigFlush, Menu, node, node.childNodes)
 126                 else:
 127                         a = boundFunction(self.session.openWithCallback, self.menuClosed, Menu, node, node.childNodes)
 128                 #TODO add check if !empty(node.childNodes)
 129                 destList.append((MenuTitle, a))
 130
 131         def menuClosedWithConfigFlush(self, *res):
 132                 configfile.save()
 133                 self.menuClosed(*res)
 134
 135         def menuClosed(self, *res):
 136                 if len(res) and res[0]:
 137                         self.close(True)
 138
 139         def addItem(self, destList, node):
 140                 item_text = node.getAttribute("text").encode("UTF-8")
 141                 for x in node.childNodes:
 142                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 143                                 continue
 144                         elif x.tagName == 'screen':
 145                                 module = x.getAttribute("module") or None
 146                                 screen = x.getAttribute("screen") or None
 147
 148                                 if screen is None:
 149                                         screen = module
 150
 151                                 print module, screen
 152                                 if module:
 153                                         module = "Screens." + module
 154                                 else:
 155                                         module = ""
 156
 157                                 # check for arguments. they will be appended to the
 158                                 # openDialog call
 159                                 args = XMLTools.mergeText(x.childNodes)
 160                                 screen += ", " + args
 161
 162                                 destList.append((_(item_text or "??"), boundFunction(self.runScreen, (module, screen))))
 163                                 return
 164                         elif x.tagName == 'code':
 165                                 destList.append((_(item_text or "??"), boundFunction(self.execText, XMLTools.mergeText(x.childNodes))))
 166                                 return
 167                         elif x.tagName == 'setup':
 168                                 id = x.getAttribute("id")
 169                                 if item_text == "":
 170                                         item_text = _(getSetupTitle(id)) + "..."
 171                                 else:
 172                                         item_text = _(item_text)
 173                                 destList.append((item_text, boundFunction(self.openSetup, id)))
 174                                 return
 175
 176                 destList.append((item_text,self.nothing))
 177
 178
 179         def __init__(self, session, parent, childNode):
 180                 Screen.__init__(self, session)
 181
 182                 list = []
 183                 menuID = ""
 184
 185                 menuID = -1
 186                 for x in childNode:                                             #walk through the actual nodelist
 187                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 188                             continue
 189                         elif x.tagName == 'item':
 190                                 self.addItem(list, x)
 191                                 count += 1
 192                         elif x.tagName == 'menu':
 193                                 self.addMenu(list, x)
 194                                 count += 1
 195                         elif x.tagName == "id":
 196                                 menuID = x.getAttribute("val")
 197                                 count = 0
 198                         if menuID != -1:
 199                                 if menuupdater.updatedMenuAvailable(menuID):
 200                                         for x in menuupdater.getUpdatedMenu(menuID):
 201                                                 if x[1] == count:
 202                                                         list.append((x[0], boundFunction(self.runScreen, (x[2], x[3] + ", "))))
 203                                                         count += 1
 204
 205
 206                 self["menu"] = MenuList(list)
 207
 208                 self["actions"] = ActionMap(["OkCancelActions", "MenuActions"],
 209                         {
 210                                 "ok": self.okbuttonClick,
 211                                 "cancel": self.closeNonRecursive,
 212                                 "menu": self.closeRecursive
 213                         })
 214
 215                 a = parent.getAttribute("title").encode("UTF-8") or None
 216                 if a is None:
 217                         a = _(parent.getAttribute("text").encode("UTF-8"))
 218                 self["title"] = Header(a)
 219                 self.menu_title = a
 220
 221         def closeNonRecursive(self):
 222                 self.close(False)
 223
 224         def closeRecursive(self):
 225                 self.close(True)
 226
 227         def createSummary(self):
 228                 return MenuSummary
 229
 230 class MainMenu(Menu):
 231         #add file load functions for the xml-file
 232
 233         def __init__(self, *x):
 234                 Menu.__init__(self, *x)
 235                 self.skinName = "Menu"
 236
 237         def openDialog(self, dialog):
 238                 self.session.open(dialog)
 239
 240         def openSetup(self, dialog):
 241                 self.session.open(Setup, dialog)
 242
 243         def setModeTV(self):
 244                 print "set Mode to TV"
 245                 pass
 246
 247         def setModeRadio(self):
 248                 print "set Mode to Radio"
 249                 pass
 250
 251         def setModeFile(self):
 252                 print "set Mode to File"
 253                 pass