code.vuplus.com Git - vuplus_dvbapp/blob - 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 from Components.PluginComponent import plugins
  11
  12 from Tools.Directories import resolveFilename, SCOPE_SKIN
  13
  14 from enigma import quitMainloop
  15
  16 import xml.dom.minidom
  17 from xml.dom import EMPTY_NAMESPACE
  18 from skin import elementsWithTag
  19
  20 from Screens.Setup import Setup, getSetupTitle
  21
  22 from Tools import XMLTools
  23
  24 #               <item text="TV-Mode">self.setModeTV()</item>
  25 #               <item text="Radio-Mode">self.setModeRadio()</item>
  26 #               <item text="File-Mode">self.setModeFile()</item>
  27 #               <item text="Scart">self.openDialog(ScartLoopThrough)</item>
  28 #                       <item text="Sleep Timer"></item>
  29
  30
  31 # read the menu
  32 menufile = file(resolveFilename(SCOPE_SKIN, 'menu.xml'), 'r')
  33 mdom = xml.dom.minidom.parseString(menufile.read())
  34 menufile.close()
  35
  36 class boundFunction:
  37         def __init__(self, fnc, *args):
  38                 self.fnc = fnc
  39                 self.args = args
  40         def __call__(self):
  41                 self.fnc(*self.args)
  42
  43 class MenuUpdater:
  44         def __init__(self):
  45                 self.updatedMenuItems = {}
  46
  47         def addMenuItem(self, id, pos, text, module, screen):
  48                 if not self.updatedMenuAvailable(id):
  49                         self.updatedMenuItems[id] = []
  50                 self.updatedMenuItems[id].append([text, pos, module, screen])
  51
  52         def delMenuItem(self, id, pos, text, module, screen):
  53                 self.updatedMenuItems[id].remove([text, pos, module, screen])
  54
  55         def updatedMenuAvailable(self, id):
  56                 return self.updatedMenuItems.has_key(id)
  57
  58         def getUpdatedMenu(self, id):
  59                 return self.updatedMenuItems[id]
  60
  61 menuupdater = MenuUpdater()
  62
  63 class MenuSummary(Screen):
  64         skin = """
  65         <screen position="0,0" size="132,64">
  66                 <widget name="MenuTitle" position="6,4" size="120,21" font="Regular;18" />
  67                 <widget name="MenuEntry" position="6,25" size="120,21" font="Regular;16" />
  68                 <widget source="CurrentTime" render="Label" position="56,46" size="82,18" font="Regular;16" >
  69                         <convert type="ClockToText">WithSeconds</convert>
  70                 </widget>
  71         </screen>"""
  72
  73         def __init__(self, session, parent):
  74                 Screen.__init__(self, session)
  75                 self["MenuTitle"] = Label(parent.menu_title)
  76                 self["MenuEntry"] = Label("")
  77                 self["CurrentTime"] = Clock()
  78                 self.parent = parent
  79                 self.onShow.append(self.addWatcher)
  80                 self.onHide.append(self.removeWatcher)
  81
  82         def addWatcher(self):
  83                 self.parent["menu"].onSelectionChanged.append(self.selectionChanged)
  84                 self.selectionChanged()
  85
  86         def removeWatcher(self):
  87                 self.parent["menu"].onSelectionChanged.remove(self.selectionChanged)
  88
  89         def selectionChanged(self):
  90                 self["MenuEntry"].setText(self.parent["menu"].getCurrent()[0])
  91
  92 class Menu(Screen):
  93
  94         ALLOW_SUSPEND = True
  95
  96         def okbuttonClick(self):
  97                 print "okbuttonClick"
  98                 selection = self["menu"].getCurrent()
  99                 selection[1]()
 100
 101         def execText(self, text):
 102                 exec text
 103
 104         def runScreen(self, arg):
 105                 # arg[0] is the module (as string)
 106                 # arg[1] is Screen inside this module
 107                 #        plus possible arguments, as
 108                 #        string (as we want to reference
 109                 #        stuff which is just imported)
 110                 # FIXME. somehow
 111                 if arg[0] != "":
 112                         exec "from " + arg[0] + " import *"
 113
 114                 self.openDialog(*eval(arg[1]))
 115
 116         def nothing(self):                                                                                                                                      #dummy
 117                 pass
 118
 119         def openDialog(self, *dialog):                          # in every layer needed
 120                 self.session.open(*dialog)
 121
 122         def openSetup(self, dialog):
 123                 self.session.openWithCallback(self.menuClosed, Setup, dialog)
 124
 125         def addMenu(self, destList, node):
 126                 MenuTitle = _(node.getAttribute("text").encode("UTF-8") or "??")
 127                 x = node.getAttribute("flushConfigOnClose")
 128                 if x:
 129                         a = boundFunction(self.session.openWithCallback, self.menuClosedWithConfigFlush, Menu, node, node.childNodes)
 130                 else:
 131                         a = boundFunction(self.session.openWithCallback, self.menuClosed, Menu, node, node.childNodes)
 132                 #TODO add check if !empty(node.childNodes)
 133                 destList.append((MenuTitle, a))
 134
 135         def menuClosedWithConfigFlush(self, *res):
 136                 configfile.save()
 137                 self.menuClosed(*res)
 138
 139         def menuClosed(self, *res):
 140                 if len(res) and res[0]:
 141                         self.close(True)
 142
 143         def addItem(self, destList, node):
 144                 item_text = node.getAttribute("text").encode("UTF-8")
 145                 for x in node.childNodes:
 146                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 147                                 continue
 148                         elif x.tagName == 'screen':
 149                                 module = x.getAttribute("module") or None
 150                                 screen = x.getAttribute("screen") or None
 151
 152                                 if screen is None:
 153                                         screen = module
 154
 155                                 print module, screen
 156                                 if module:
 157                                         module = "Screens." + module
 158                                 else:
 159                                         module = ""
 160
 161                                 # check for arguments. they will be appended to the
 162                                 # openDialog call
 163                                 args = XMLTools.mergeText(x.childNodes)
 164                                 screen += ", " + args
 165
 166                                 destList.append((_(item_text or "??"), boundFunction(self.runScreen, (module, screen))))
 167                                 return
 168                         elif x.tagName == 'code':
 169                                 destList.append((_(item_text or "??"), boundFunction(self.execText, XMLTools.mergeText(x.childNodes))))
 170                                 return
 171                         elif x.tagName == 'setup':
 172                                 id = x.getAttribute("id")
 173                                 if item_text == "":
 174                                         item_text = _(getSetupTitle(id)) + "..."
 175                                 else:
 176                                         item_text = _(item_text)
 177                                 destList.append((item_text, boundFunction(self.openSetup, id)))
 178                                 return
 179
 180                 destList.append((item_text,self.nothing))
 181
 182
 183         def __init__(self, session, parent, childNode):
 184                 Screen.__init__(self, session)
 185
 186                 list = []
 187
 188                 menuID = None
 189                 for x in childNode:                                             #walk through the actual nodelist
 190                         if x.nodeType != xml.dom.minidom.Element.nodeType:
 191                             continue
 192                         elif x.tagName == 'item':
 193                                 self.addItem(list, x)
 194                                 count += 1
 195                         elif x.tagName == 'menu':
 196                                 self.addMenu(list, x)
 197                                 count += 1
 198                         elif x.tagName == "id":
 199                                 menuID = x.getAttribute("val")
 200                                 count = 0
 201
 202                         if menuID is not None:
 203                                 # menuupdater?
 204                                 if menuupdater.updatedMenuAvailable(menuID):
 205                                         for x in menuupdater.getUpdatedMenu(menuID):
 206                                                 if x[1] == count:
 207                                                         list.append((x[0], boundFunction(self.runScreen, (x[2], x[3] + ", "))))
 208                                                         count += 1
 209
 210                 if menuID is not None:
 211                         # plugins
 212                         for l in plugins.getPluginsForMenu(menuID):
 213                                 list.append((l[0], boundFunction(l[1], self.session)))
 214
 215                 self["menu"] = MenuList(list)
 216
 217                 self["actions"] = ActionMap(["OkCancelActions", "MenuActions"],
 218                         {
 219                                 "ok": self.okbuttonClick,
 220                                 "cancel": self.closeNonRecursive,
 221                                 "menu": self.closeRecursive
 222                         })
 223
 224                 a = parent.getAttribute("title").encode("UTF-8") or None
 225                 if a is None:
 226                         a = _(parent.getAttribute("text").encode("UTF-8"))
 227                 self["title"] = Header(a)
 228                 self.menu_title = a
 229
 230         def closeNonRecursive(self):
 231                 self.close(False)
 232
 233         def closeRecursive(self):
 234                 self.close(True)
 235
 236         def createSummary(self):
 237                 return MenuSummary
 238
 239 class MainMenu(Menu):
 240         #add file load functions for the xml-file
 241
 242         def __init__(self, *x):
 243                 Menu.__init__(self, *x)
 244                 self.skinName = "Menu"
 245
 246         def openDialog(self, dialog):
 247                 self.session.open(dialog)
 248
 249         def openSetup(self, dialog):
 250                 self.session.open(Setup, dialog)
 251
 252         def setModeTV(self):
 253                 print "set Mode to TV"
 254                 pass
 255
 256         def setModeRadio(self):
 257                 print "set Mode to Radio"
 258                 pass
 259
 260         def setModeFile(self):
 261                 print "set Mode to File"
 262                 pass