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 from Components.config import config
   8
   9 from Screens.FixedMenu import FixedMenu
  10
  11 import xml.dom.minidom
  12
  13 class ChannelContextMenu(FixedMenu):
  14         def __init__(self, session, csel):
  15                 self.csel = csel
  16
  17                 menu = [ ]
  18
  19                 if csel.mutableList is not None:
  20                         if not csel.bouquet_mark_edit:
  21                                 if csel.movemode:
  22                                         menu.append(("disable move mode", self.toggleMoveMode))
  23                                 else:
  24                                         menu.append(("enable move mode", self.toggleMoveMode))
  25
  26                         if not csel.movemode:
  27                                 if csel.bouquet_mark_edit:
  28                                         menu.append(("end bouquet edit", self.bouquetMarkEnd))
  29                                         menu.append(("abort bouquet edit", self.bouquetMarkAbort))
  30                                 else:
  31                                         menu.append(("edit bouquet...", self.bouquetMarkStart))
  32
  33                         if not csel.bouquet_mark_edit and not csel.movemode:
  34                                 menu.append(("remove service", self.removeCurrentService))
  35                         menu.append(("back", self.close))
  36                 else:
  37                         menu.append(("back", self.close))
  38
  39                 FixedMenu.__init__(self, session, "Channel Selection", menu)
  40                 self.skinName = "Menu"
  41
  42         def removeCurrentService(self):
  43                 self.close()
  44                 self.csel.removeCurrentService()
  45
  46         def toggleMoveMode(self):
  47                 self.csel.toggleMoveMode()
  48                 self.close()
  49
  50         def bouquetMarkStart(self):
  51                 self.close()
  52                 self.csel.startMarkedEdit()
  53
  54         def bouquetMarkEnd(self):
  55                 self.csel.endMarkedEdit(abort=False)
  56                 self.close()
  57
  58         def bouquetMarkAbort(self):
  59                 self.csel.endMarkedEdit(abort=True)
  60                 self.close()
  61
  62 class ChannelSelection(Screen):
  63         def __init__(self, session):
  64                 Screen.__init__(self, session)
  65
  66                 self.entry_marked = False
  67                 self.movemode = False
  68                 self.bouquet_mark_edit = False
  69
  70                 ## FIXME
  71                 self.__marked = [ ]
  72
  73                 self["key_red"] = Button("All")
  74                 self["key_green"] = Button("Provider")
  75                 self["key_yellow"] = Button("Satellite")
  76                 self["key_blue"] = Button("Favourites")
  77
  78                 self["list"] = ServiceList()
  79                 self.setRoot(eServiceReference("""1:0:1:0:0:0:0:0:0:0:(type == 1)"""))
  80
  81                 #self["okbutton"] = Button("ok", [self.channelSelected])
  82
  83                 class ChannelActionMap(ActionMap):
  84                         def action(self, contexts, action):
  85                                 if action[:7] == "bouquet":
  86                                         l = self.csel
  87                                         list = l["list"]
  88                                         list.setMode(list.MODE_NORMAL)
  89                                         l.setRoot(eServiceReference("1:7:1:0:0:0:0:0:0:0:" + action[8:]))
  90                                 else:
  91                                         if action == "cancel":
  92                                                 l = self.csel
  93                                                 if l.movemode: #movemode active?
  94                                                         l.channelSelected() # unmark
  95                                                         l.toggleMoveMode() # disable move mode
  96                                                 elif l.bouquet_mark_edit:
  97                                                         l.endMarkedEdit(True) # abort edit mode
  98                                         ActionMap.action(self, contexts, action)
  99
 100                 self["actions"] = ChannelActionMap(["ChannelSelectActions", "OkCancelActions", "ContextMenuActions"],
 101                         {
 102                                 "cancel": self.close,
 103                                 "ok": self.channelSelected,
 104                                 "mark": self.doMark,
 105                                 "contextMenu": self.doContext,
 106                                 "showFavourites": self.showFavourites,
 107                     "showEPGList": self.showEPGList
 108                         })
 109                 self["actions"].csel = self
 110
 111         def showEPGList(self):
 112                 ref=self["list"].getCurrent()
 113                 ptr=eEPGCache.getInstance()
 114                 if ptr.startTimeQuery(ref) != -1:
 115                         self.session.open(EPGSelection, ref)
 116                 else:
 117                         print 'no epg for service', ref.toString()
 118
 119 #  multiple marked entry stuff ( edit mode, later multiepg selection )
 120         def startMarkedEdit(self):
 121                 l = self["list"]
 122                 # add all services from the current list to internal marked set in listboxservicecontent
 123                 if self.mutableList is not None:
 124                         self.bouquetRoot = l.getRoot()
 125                         self.clearMarks() # this clears the internal marked set in the listboxservicecontent
 126                         self.bouquet_mark_edit = True
 127                         self.__marked = l.getRootServices()
 128                         for x in self.__marked:
 129                                 l.addMarked(eServiceReference(x))
 130
 131         def removeCurrentService(self):
 132                 l = self["list"]
 133                 ref=l.getCurrent()
 134                 if ref.valid() and self.mutableList is not None:
 135                         self.mutableList.removeService(ref)
 136                         self.mutableList.flushChanges() #FIXME dont flush on each single removed service
 137                         self.setRoot(l.getRoot())
 138
 139         def endMarkedEdit(self, abort):
 140                 l = self["list"]
 141                 if not abort and self.mutableList is not None:
 142                         new_marked = set(l.getMarked())
 143                         old_marked = set(self.__marked)
 144                         removed = old_marked - new_marked
 145                         added = new_marked - old_marked
 146                         changed = False
 147                         for x in removed:
 148                                 changed = True
 149                                 self.mutableList.removeService(eServiceReference(x))
 150                         for x in added:
 151                                 changed = True
 152                                 self.mutableList.addService(eServiceReference(x))
 153                         if changed:
 154                                 self.mutableList.flushChanges()
 155                                 #self.setRoot(self.bouquetRoot)
 156                                 self.showFavourites()
 157                 self.__marked = []
 158                 self.clearMarks()
 159                 self.bouquet_mark_edit = False
 160                 self.bouquetRoot = None
 161
 162         def setRoot(self, root):
 163                 if not self.movemode:
 164                         if not self.bouquet_mark_edit:
 165                                 serviceHandler = eServiceCenter.getInstance()
 166                                 list = serviceHandler.list(root)
 167                                 if list is not None:
 168                                         self.mutableList = list.startEdit()
 169                                 else:
 170                                         self.mutableList = None
 171                         self["list"].setRoot(root)
 172
 173         def clearMarks(self):
 174                 self["list"].clearMarks()
 175
 176         def doMark(self):
 177                 if not self.bouquet_mark_edit:
 178                         return
 179                 ref = self["list"].getCurrent()
 180                 if self["list"].isMarked(ref):
 181                         self["list"].removeMarked(ref)
 182                 else:
 183                         self["list"].addMarked(ref)
 184
 185         def channelSelected(self):
 186                 ref = self["list"].getCurrent()
 187                 if self.movemode:
 188                         if self.entry_marked:
 189                                 self["list"].setCurrentMarked(False)
 190                                 self.entry_marked = False
 191                         else:
 192                                 self["list"].setCurrentMarked(True)
 193                                 self.entry_marked = True
 194                 elif (ref.flags & 7) == 7:
 195                         self.setRoot(ref)
 196                 elif self.bouquet_mark_edit:
 197                         self.doMark()
 198                 else:
 199                         self.session.nav.playService(ref)
 200                         self.saveChannel()
 201                         self.close()
 202
 203         #called from infoBar
 204         def zap(self):
 205                 self.session.nav.playService(self["list"].getCurrent())
 206                 self.saveChannel()
 207
 208         def moveUp(self):
 209                 self["list"].moveUp()
 210
 211         def moveDown(self):
 212                 self["list"].moveDown()
 213
 214         def doContext(self):
 215                 self.session.open(ChannelContextMenu, self)
 216
 217         def toggleMoveMode(self):
 218                 if self.movemode:
 219                         if self.entry_marked:
 220                                 self.channelSelected() # unmark current entry
 221                         self.movemode = False
 222                         self.mutableList.flushChanges() # FIXME add check if changes was made
 223                 else:
 224                         self.movemode = True
 225
 226         def showFavourites(self):
 227                 self.setRoot(eServiceReference('1:7:1:0:0:0:0:0:0:0:(type == 1) FROM BOUQUET "userbouquet.favourites.tv" ORDER BY bouquet'))
 228                 list = self["list"]
 229                 list.setMode(list.MODE_FAVOURITES)
 230
 231         def saveChannel(self):
 232                 ref = self.session.nav.getCurrentlyPlayingServiceReference()
 233                 if ref is not None:
 234                         refstr = ref.toString()
 235                 else:
 236                         refstr = ""
 237                 config.tv.lastservice.value = refstr
 238                 config.tv.lastservice.save()