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