lib/python/Screens/ChannelSelection.py

   1 from Screen import Screen
   2 from Components.Button import Button
   3 from Components.ServiceList import ServiceList
   4 from Components.ActionMap import ActionMap
   5 from EpgSelection import EPGSelection
   6 from enigma import eServiceReference, eEPGCache, eEPGCachePtr, eServiceCenter, eServiceCenterPtr, iMutableServiceListPtr
   7
   8 from Screens.FixedMenu import FixedMenu
   9
  10 import xml.dom.minidom
  11
  12 class ChannelContextMenu(FixedMenu):
  13         def __init__(self, session, csel):
  14                 self.csel = csel
  15
  16                 menu = [ ]
  17
  18                 if csel.mutableList is not None:
  19                         if not csel.bouquet_mark_edit:
  20                                 if csel.movemode:
  21                                         menu.append(("disable move mode", self.toggleMoveMode))
  22                                 else:
  23                                         menu.append(("enable move mode", self.toggleMoveMode))
  24
  25                         if not csel.movemode:
  26                                 if csel.bouquet_mark_edit:
  27                                         menu.append(("end bouquet edit", self.bouquetMarkEnd))
  28                                         menu.append(("abort bouquet edit", self.bouquetMarkAbort))
  29                                 else:
  30                                         menu.append(("edit bouquet...", self.bouquetMarkStart))
  31
  32                         if not csel.bouquet_mark_edit and not csel.movemode:
  33                                 menu.append(("remove service", self.removeCurrentService))
  34                         menu.append(("back", self.close))
  35                 else:
  36                         menu.append(("back", self.close))
  37
  38                 FixedMenu.__init__(self, session, "Channel Selection", menu)
  39                 self.skinName = "Menu"
  40
  41         def removeCurrentService(self):
  42                 self.close()
  43                 self.csel.removeCurrentService()
  44
  45         def toggleMoveMode(self):
  46                 self.csel.toggleMoveMode()
  47                 self.close()
  48
  49         def bouquetMarkStart(self):
  50                 self.close()
  51                 self.csel.startMarkedEdit()
  52
  53         def bouquetMarkEnd(self):
  54                 self.csel.endMarkedEdit(abort=False)
  55                 self.close()
  56
  57         def bouquetMarkAbort(self):
  58                 self.csel.endMarkedEdit(abort=True)
  59                 self.close()
  60
  61 class ChannelSelection(Screen):
  62         def __init__(self, session):
  63                 Screen.__init__(self, session)
  64
  65                 self.entry_marked = False
  66                 self.movemode = False
  67                 self.bouquet_mark_edit = False
  68
  69                 ## FIXME
  70                 self.__marked = [ ]
  71
  72                 self["key_red"] = Button("All")
  73                 self["key_green"] = Button("Provider")
  74                 self["key_yellow"] = Button("Satellite")
  75                 self["key_blue"] = Button("Favourites")
  76
  77                 self["list"] = ServiceList()
  78                 self.setRoot(eServiceReference("""1:0:1:0:0:0:0:0:0:0:(type == 1)"""))
  79
  80                 #self["okbutton"] = Button("ok", [self.channelSelected])
  81
  82                 class ChannelActionMap(ActionMap):
  83                         def action(self, contexts, action):
  84                                 if action[:7] == "bouquet":
  85                                         l = self.csel
  86                                         list = l["list"]
  87                                         list.setMode(list.MODE_NORMAL)
  88                                         l.setRoot(eServiceReference("1:7:1:0:0:0:0:0:0:0:" + action[8:]))
  89                                 else:
  90                                         if action == "cancel":
  91                                                 l = self.csel
  92                                                 if l.movemode: #movemode active?
  93                                                         l.channelSelected() # unmark
  94                                                         l.toggleMoveMode() # disable move mode
  95                                                 elif l.bouquet_mark_edit:
  96                                                         l.endMarkedEdit(True) # abort edit mode
  97                                         ActionMap.action(self, contexts, action)
  98
  99                 self["actions"] = ChannelActionMap(["ChannelSelectActions", "OkCancelActions", "ContextMenuActions"],
 100                         {
 101                                 "cancel": self.close,
 102                                 "ok": self.channelSelected,
 103                                 "mark": self.doMark,
 104                                 "contextMenu": self.doContext,
 105                                 "showFavourites": self.showFavourites,
 106                     "showEPGList": self.showEPGList
 107                         })
 108                 self["actions"].csel = self
 109
 110         def showEPGList(self):
 111                 ref=self["list"].getCurrent()
 112                 ptr=eEPGCache.getInstance()
 113                 if ptr.startTimeQuery(ref) != -1:
 114                         self.session.open(EPGSelection, ref)
 115                 else:
 116                         print 'no epg for service', ref.toString()
 117
 118 #  multiple marked entry stuff ( edit mode, later multiepg selection )
 119         def startMarkedEdit(self):
 120                 l = self["list"]
 121                 # add all services from the current list to internal marked set in listboxservicecontent
 122                 if self.mutableList is not None:
 123                         self.bouquetRoot = l.getRoot()
 124                         self.clearMarks() # this clears the internal marked set in the listboxservicecontent
 125                         self.bouquet_mark_edit = True
 126                         self.__marked = l.getRootServices()
 127                         for x in self.__marked:
 128                                 l.addMarked(eServiceReference(x))
 129
 130         def removeCurrentService(self):
 131                 l = self["list"]
 132                 ref=l.getCurrent()
 133                 if ref.valid() and self.mutableList is not None:
 134                         self.mutableList.removeService(ref)
 135                         self.mutableList.flushChanges() #FIXME dont flush on each single removed service
 136                         self.setRoot(l.getRoot())
 137
 138         def endMarkedEdit(self, abort):
 139                 l = self["list"]
 140                 if not abort and self.mutableList is not None:
 141                         new_marked = set(l.getMarked())
 142                         old_marked = set(self.__marked)
 143                         removed = old_marked - new_marked
 144                         added = new_marked - old_marked
 145                         changed = False
 146                         for x in removed:
 147                                 changed = True
 148                                 self.mutableList.removeService(eServiceReference(x))
 149                         for x in added:
 150                                 changed = True
 151                                 self.mutableList.addService(eServiceReference(x))
 152                         if changed:
 153                                 self.mutableList.flushChanges()
 154                                 #self.setRoot(self.bouquetRoot)
 155                                 self.showFavourites()
 156                 self.__marked = []
 157                 self.clearMarks()
 158                 self.bouquet_mark_edit = False
 159                 self.bouquetRoot = None
 160
 161         def setRoot(self, root):
 162                 if not self.movemode:
 163                         if not self.bouquet_mark_edit:
 164                                 serviceHandler = eServiceCenter.getInstance()
 165                                 list = serviceHandler.list(root)
 166                                 if list is not None:
 167                                         self.mutableList = list.startEdit()
 168                                 else:
 169                                         self.mutableList = None
 170                         self["list"].setRoot(root)
 171
 172         def clearMarks(self):
 173                 self["list"].clearMarks()
 174
 175         def doMark(self):
 176                 if not self.bouquet_mark_edit:
 177                         return
 178                 ref = self["list"].getCurrent()
 179                 if self["list"].isMarked(ref):
 180                         self["list"].removeMarked(ref)
 181                 else:
 182                         self["list"].addMarked(ref)
 183
 184         def channelSelected(self):
 185                 ref = self["list"].getCurrent()
 186                 if self.movemode:
 187                         if self.entry_marked:
 188                                 self["list"].setCurrentMarked(False)
 189                                 self.entry_marked = False
 190                         else:
 191                                 self["list"].setCurrentMarked(True)
 192                                 self.entry_marked = True
 193                 elif (ref.flags & 7) == 7:
 194                         self.setRoot(ref)
 195                 elif self.bouquet_mark_edit:
 196                         self.doMark()
 197                 else:
 198                         self.session.nav.playService(ref)
 199                         self.close()
 200
 201         #called from infoBar
 202         def zap(self):
 203                 self.session.nav.playService(self["list"].getCurrent())
 204
 205         def moveUp(self):
 206                 self["list"].moveUp()
 207
 208         def moveDown(self):
 209                 self["list"].moveDown()
 210
 211         def doContext(self):
 212                 self.session.open(ChannelContextMenu, self)
 213
 214         def toggleMoveMode(self):
 215                 if self.movemode:
 216                         if self.entry_marked:
 217                                 self.channelSelected() # unmark current entry
 218                         self.movemode = False
 219                         self.mutableList.flushChanges() # FIXME add check if changes was made
 220                 else:
 221                         self.movemode = True
 222
 223         def showFavourites(self):
 224                 self.setRoot(eServiceReference('1:7:1:0:0:0:0:0:0:0:(type == 1) FROM BOUQUET "userbouquet.favourites.tv" ORDER BY bouquet'))
 225                 list = self["list"]
 226                 list.setMode(list.MODE_FAVOURITES)