lib/python/Components/MovieList.py

   1 from GUIComponent import GUIComponent
   2 from Tools.FuzzyDate import FuzzyTime
   3 from ServiceReference import ServiceReference
   4 from Components.MultiContent import MultiContentEntryText
   5 from Components.config import config
   6
   7 from enigma import eListboxPythonMultiContent, eListbox, gFont, iServiceInformation, \
   8         RT_HALIGN_LEFT, RT_HALIGN_RIGHT, eServiceReference, eServiceCenter
   9
  10 class MovieList(GUIComponent):
  11         SORT_ALPHANUMERIC = 1
  12         SORT_RECORDED = 2
  13
  14         LISTTYPE_ORIGINAL = 1
  15         LISTTYPE_COMPACT_DESCRIPTION = 2
  16         LISTTYPE_COMPACT = 3
  17         LISTTYPE_MINIMAL = 4
  18
  19         HIDE_DESCRIPTION = 1
  20         SHOW_DESCRIPTION = 2
  21
  22         def __init__(self, root, list_type=None, sort_type=None, descr_state=None):
  23                 GUIComponent.__init__(self)
  24                 self.list_type = list_type or self.LISTTYPE_ORIGINAL
  25                 self.descr_state = descr_state or self.HIDE_DESCRIPTION
  26                 self.sort_type = sort_type or self.SORT_RECORDED
  27
  28                 self.l = eListboxPythonMultiContent()
  29                 self.tags = set()
  30
  31                 if root is not None:
  32                         self.reload(root)
  33
  34                 self.redrawList()
  35                 self.l.setBuildFunc(self.buildMovieListEntry)
  36
  37                 self.onSelectionChanged = [ ]
  38
  39         def connectSelChanged(self, fnc):
  40                 if not fnc in self.onSelectionChanged:
  41                         self.onSelectionChanged.append(fnc)
  42
  43         def disconnectSelChanged(self, fnc):
  44                 if fnc in self.onSelectionChanged:
  45                         self.onSelectionChanged.remove(fnc)
  46
  47         def selectionChanged(self):
  48                 for x in self.onSelectionChanged:
  49                         x()
  50
  51         def setListType(self, type):
  52                 self.list_type = type
  53
  54         def setDescriptionState(self, val):
  55                 self.descr_state = val
  56
  57         def setSortType(self, type):
  58                 self.sort_type = type
  59
  60         def redrawList(self):
  61                 if self.list_type == MovieList.LISTTYPE_ORIGINAL:
  62                         self.l.setFont(0, gFont("Regular", 22))
  63                         self.l.setFont(1, gFont("Regular", 18))
  64                         self.l.setFont(2, gFont("Regular", 16))
  65                         self.l.setItemHeight(75)
  66                 elif self.list_type == MovieList.LISTTYPE_COMPACT_DESCRIPTION or self.list_type == MovieList.LISTTYPE_COMPACT:
  67                         self.l.setFont(0, gFont("Regular", 20))
  68                         self.l.setFont(1, gFont("Regular", 14))
  69                         self.l.setItemHeight(37)
  70                 else:
  71                         self.l.setFont(0, gFont("Regular", 20))
  72                         self.l.setFont(1, gFont("Regular", 16))
  73                         self.l.setItemHeight(25)
  74
  75         #
  76         # | name of movie              |
  77         #
  78         def buildMovieListEntry(self, serviceref, info, begin, len):
  79                 if serviceref.flags & eServiceReference.mustDescent:
  80                         return None
  81
  82                 width = self.l.getItemSize().width()
  83
  84                 if len <= 0: #recalc len when not already done
  85                         cur_idx = self.l.getCurrentSelectionIndex()
  86                         x = self.list[cur_idx]
  87                         if config.usage.load_length_of_movies_in_moviellist.value:
  88                                 len = x[1].getLength(x[0]) #recalc the movie length...
  89                         else:
  90                                 len = 0 #dont recalc movielist to speedup loading the list
  91                         self.list[cur_idx] = (x[0], x[1], x[2], len) #update entry in list... so next time we don't need to recalc
  92
  93                 if len > 0:
  94                         len = "%d:%02d" % (len / 60, len % 60)
  95                 else:
  96                         if config.usage.load_length_of_movies_in_moviellist.value:
  97                                 len = "?:??"
  98                         else:
  99                                 len = "X:XX"
 100
 101                 res = [ None ]
 102
 103                 txt = info.getName(serviceref)
 104                 service = ServiceReference(info.getInfoString(serviceref, iServiceInformation.sServiceref))
 105                 description = info.getInfoString(serviceref, iServiceInformation.sDescription)
 106
 107                 begin_string = ""
 108                 if begin > 0:
 109                         t = FuzzyTime(begin)
 110                         begin_string = t[0] + ", " + t[1]
 111
 112                 if self.list_type == MovieList.LISTTYPE_ORIGINAL:
 113                         res.append(MultiContentEntryText(pos=(0, 0), size=(width-182, 30), font = 0, flags = RT_HALIGN_LEFT, text=txt))
 114                         if service is not None:
 115                                 res.append(MultiContentEntryText(pos=(width-180, 0), size=(180, 30), font = 2, flags = RT_HALIGN_RIGHT, text = service.getServiceName()))
 116                         res.append(MultiContentEntryText(pos=(0, 30), size=(width, 20), font=1, flags=RT_HALIGN_LEFT, text=description))
 117                         res.append(MultiContentEntryText(pos=(0, 50), size=(width-270, 20), font=1, flags=RT_HALIGN_LEFT, text=begin_string))
 118                         res.append(MultiContentEntryText(pos=(width-200, 50), size=(200, 20), font=1, flags=RT_HALIGN_RIGHT, text=len))
 119                 elif self.list_type == MovieList.LISTTYPE_COMPACT_DESCRIPTION:
 120                         res.append(MultiContentEntryText(pos=(0, 0), size=(width-120, 20), font = 0, flags = RT_HALIGN_LEFT, text = txt))
 121                         if service is not None:
 122                                 res.append(MultiContentEntryText(pos=(width-212, 20), size=(154, 17), font = 1, flags = RT_HALIGN_RIGHT, text = service.getServiceName()))
 123                         res.append(MultiContentEntryText(pos=(0, 20), size=(width-212, 17), font=1, flags=RT_HALIGN_LEFT, text=description))
 124                         res.append(MultiContentEntryText(pos=(width-120, 6), size=(120, 20), font=1, flags=RT_HALIGN_RIGHT, text=begin_string))
 125                         res.append(MultiContentEntryText(pos=(width-58, 20), size=(58, 20), font=1, flags=RT_HALIGN_RIGHT, text=len))
 126                 elif self.list_type == MovieList.LISTTYPE_COMPACT:
 127                         res.append(MultiContentEntryText(pos=(0, 0), size=(width-77, 20), font = 0, flags = RT_HALIGN_LEFT, text = txt))
 128                         if service is not None:
 129                                 res.append(MultiContentEntryText(pos=(width-200, 20), size=(200, 17), font = 1, flags = RT_HALIGN_RIGHT, text = service.getServiceName()))
 130                         res.append(MultiContentEntryText(pos=(0, 20), size=(width-200, 17), font=1, flags=RT_HALIGN_LEFT, text=begin_string))
 131                         res.append(MultiContentEntryText(pos=(width-75, 0), size=(75, 20), font=0, flags=RT_HALIGN_RIGHT, text=len))
 132                 else:
 133                         assert(self.list_type == MovieList.LISTTYPE_MINIMAL)
 134                         if self.descr_state == MovieList.SHOW_DESCRIPTION:
 135                                 res.append(MultiContentEntryText(pos=(0, 0), size=(width-146, 20), font = 0, flags = RT_HALIGN_LEFT, text = txt))
 136                                 res.append(MultiContentEntryText(pos=(width-145, 4), size=(145, 20), font=1, flags=RT_HALIGN_RIGHT, text=begin_string))
 137                         else:
 138                                 res.append(MultiContentEntryText(pos=(0, 0), size=(width-77, 20), font = 0, flags = RT_HALIGN_LEFT, text = txt))
 139                                 res.append(MultiContentEntryText(pos=(width-75, 0), size=(75, 20), font=0, flags=RT_HALIGN_RIGHT, text=len))
 140
 141                 return res
 142
 143         def moveToIndex(self, index):
 144                 self.instance.moveSelectionTo(index)
 145
 146         def getCurrentIndex(self):
 147                 return self.instance.getCurrentIndex()
 148
 149         def getCurrentEvent(self):
 150                 l = self.l.getCurrentSelection()
 151                 return l and l[0] and l[1] and l[1].getEvent(l[0])
 152
 153         def getCurrent(self):
 154                 l = self.l.getCurrentSelection()
 155                 return l and l[0]
 156
 157         GUI_WIDGET = eListbox
 158
 159         def postWidgetCreate(self, instance):
 160                 instance.setContent(self.l)
 161                 instance.selectionChanged.get().append(self.selectionChanged)
 162
 163         def preWidgetRemove(self, instance):
 164                 instance.setContent(None)
 165                 instance.selectionChanged.get().remove(self.selectionChanged)
 166
 167         def reload(self, root = None, filter_tags = None):
 168                 if root is not None:
 169                         self.load(root, filter_tags)
 170                 else:
 171                         self.load(self.root, filter_tags)
 172                 self.l.setList(self.list)
 173
 174         def removeService(self, service):
 175                 for l in self.list[:]:
 176                         if l[0] == service:
 177                                 self.list.remove(l)
 178                 self.l.setList(self.list)
 179
 180         def __len__(self):
 181                 return len(self.list)
 182
 183         def load(self, root, filter_tags):
 184                 # this lists our root service, then building a
 185                 # nice list
 186
 187                 self.list = [ ]
 188                 self.serviceHandler = eServiceCenter.getInstance()
 189
 190                 self.root = root
 191                 list = self.serviceHandler.list(root)
 192                 if list is None:
 193                         print "listing of movies failed"
 194                         list = [ ]
 195                         return
 196                 tags = set()
 197
 198                 while 1:
 199                         serviceref = list.getNext()
 200                         if not serviceref.valid():
 201                                 break
 202                         if serviceref.flags & eServiceReference.mustDescent:
 203                                 continue
 204
 205                         info = self.serviceHandler.info(serviceref)
 206                         if info is None:
 207                                 continue
 208                         begin = info.getInfo(serviceref, iServiceInformation.sTimeCreate)
 209
 210                         # convert space-seperated list of tags into a set
 211                         this_tags = info.getInfoString(serviceref, iServiceInformation.sTags).split(' ')
 212                         if this_tags == ['']:
 213                                 this_tags = []
 214                         this_tags = set(this_tags)
 215
 216                         # filter_tags is either None (which means no filter at all), or
 217                         # a set. In this case, all elements of filter_tags must be present,
 218                         # otherwise the entry will be dropped.
 219                         if filter_tags is not None and not this_tags.issuperset(filter_tags):
 220                                 continue
 221
 222                         tags |= this_tags
 223                         self.list.append((serviceref, info, begin, -1))
 224
 225                 if self.sort_type == MovieList.SORT_ALPHANUMERIC:
 226                         self.list.sort(key=self.buildAlphaNumericSortKey)
 227                 else:
 228                         # sort: key is 'begin'
 229                         self.list.sort(key=lambda x: -x[2])
 230
 231                 # finally, store a list of all tags which were found. these can be presented
 232                 # to the user to filter the list
 233                 self.tags = tags
 234
 235         def buildAlphaNumericSortKey(self, x):
 236                 ref = x[0]
 237                 info = self.serviceHandler.info(ref)
 238                 name = info and info.getName(ref)
 239                 return (name and name.lower() or "", -x[2])
 240
 241         def moveTo(self, serviceref):
 242                 count = 0
 243                 for x in self.list:
 244                         if x[0] == serviceref:
 245                                 self.instance.moveSelectionTo(count)
 246                                 break
 247                         count += 1
 248
 249         def moveDown(self):
 250                 self.instance.moveSelection(self.instance.moveDown)