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                         len = ""
  97
  98                 res = [ None ]
  99
 100                 txt = info.getName(serviceref)
 101                 service = ServiceReference(info.getInfoString(serviceref, iServiceInformation.sServiceref))
 102                 description = info.getInfoString(serviceref, iServiceInformation.sDescription)
 103                 tags = info.getInfoString(serviceref, iServiceInformation.sTags)
 104
 105                 begin_string = ""
 106                 if begin > 0:
 107                         t = FuzzyTime(begin)
 108                         begin_string = t[0] + ", " + t[1]
 109
 110                 if self.list_type == MovieList.LISTTYPE_ORIGINAL:
 111                         res.append(MultiContentEntryText(pos=(0, 0), size=(width-182, 30), font = 0, flags = RT_HALIGN_LEFT, text=txt))
 112                         if self.tags:
 113                                 res.append(MultiContentEntryText(pos=(width-180, 0), size=(180, 30), font = 2, flags = RT_HALIGN_RIGHT, text = tags))
 114                                 if service is not None:
 115                                         res.append(MultiContentEntryText(pos=(200, 50), size=(200, 20), font = 1, flags = RT_HALIGN_LEFT, text = service.getServiceName()))
 116                         else:
 117                                 if service is not None:
 118                                         res.append(MultiContentEntryText(pos=(width-180, 0), size=(180, 30), font = 2, flags = RT_HALIGN_RIGHT, text = service.getServiceName()))
 119                         res.append(MultiContentEntryText(pos=(0, 30), size=(width, 20), font=1, flags=RT_HALIGN_LEFT, text=description))
 120                         res.append(MultiContentEntryText(pos=(0, 50), size=(200, 20), font=1, flags=RT_HALIGN_LEFT, text=begin_string))
 121                         res.append(MultiContentEntryText(pos=(width-200, 50), size=(198, 20), font=1, flags=RT_HALIGN_RIGHT, text=len))
 122                 elif self.list_type == MovieList.LISTTYPE_COMPACT_DESCRIPTION:
 123                         res.append(MultiContentEntryText(pos=(0, 0), size=(width-120, 20), font = 0, flags = RT_HALIGN_LEFT, text = txt))
 124                         res.append(MultiContentEntryText(pos=(0, 20), size=(width-212, 17), font=1, flags=RT_HALIGN_LEFT, text=description))
 125                         res.append(MultiContentEntryText(pos=(width-120, 6), size=(120, 20), font=1, flags=RT_HALIGN_RIGHT, text=begin_string))
 126                         if service is not None:
 127                                 res.append(MultiContentEntryText(pos=(width-212, 20), size=(154, 17), font = 1, flags = RT_HALIGN_RIGHT, text = service.getServiceName()))
 128                         res.append(MultiContentEntryText(pos=(width-58, 20), size=(58, 20), font=1, flags=RT_HALIGN_RIGHT, text=len))
 129                 elif self.list_type == MovieList.LISTTYPE_COMPACT:
 130                         res.append(MultiContentEntryText(pos=(0, 0), size=(width-77, 20), font = 0, flags = RT_HALIGN_LEFT, text = txt))
 131                         if self.tags:
 132                                 res.append(MultiContentEntryText(pos=(width-200, 20), size=(200, 17), font = 1, flags = RT_HALIGN_RIGHT, text = tags))
 133                                 if service is not None:
 134                                         res.append(MultiContentEntryText(pos=(200, 20), size=(200, 17), font = 1, flags = RT_HALIGN_LEFT, text = service.getServiceName()))
 135                         else:
 136                                 if service is not None:
 137                                         res.append(MultiContentEntryText(pos=(width-200, 20), size=(200, 17), font = 1, flags = RT_HALIGN_RIGHT, text = service.getServiceName()))
 138                         res.append(MultiContentEntryText(pos=(0, 20), size=(200, 17), font=1, flags=RT_HALIGN_LEFT, text=begin_string))
 139                         res.append(MultiContentEntryText(pos=(width-75, 0), size=(75, 20), font=0, flags=RT_HALIGN_RIGHT, text=len))
 140                 else:
 141                         assert(self.list_type == MovieList.LISTTYPE_MINIMAL)
 142                         if self.descr_state == MovieList.SHOW_DESCRIPTION:
 143                                 res.append(MultiContentEntryText(pos=(0, 0), size=(width-146, 20), font = 0, flags = RT_HALIGN_LEFT, text = txt))
 144                                 res.append(MultiContentEntryText(pos=(width-145, 4), size=(145, 20), font=1, flags=RT_HALIGN_RIGHT, text=begin_string))
 145                         else:
 146                                 res.append(MultiContentEntryText(pos=(0, 0), size=(width-77, 20), font = 0, flags = RT_HALIGN_LEFT, text = txt))
 147                                 res.append(MultiContentEntryText(pos=(width-75, 0), size=(75, 20), font=0, flags=RT_HALIGN_RIGHT, text=len))
 148
 149                 return res
 150
 151         def moveToIndex(self, index):
 152                 self.instance.moveSelectionTo(index)
 153
 154         def getCurrentIndex(self):
 155                 return self.instance.getCurrentIndex()
 156
 157         def getCurrentEvent(self):
 158                 l = self.l.getCurrentSelection()
 159                 return l and l[0] and l[1] and l[1].getEvent(l[0])
 160
 161         def getCurrent(self):
 162                 l = self.l.getCurrentSelection()
 163                 return l and l[0]
 164
 165         GUI_WIDGET = eListbox
 166
 167         def postWidgetCreate(self, instance):
 168                 instance.setContent(self.l)
 169                 instance.selectionChanged.get().append(self.selectionChanged)
 170
 171         def preWidgetRemove(self, instance):
 172                 instance.setContent(None)
 173                 instance.selectionChanged.get().remove(self.selectionChanged)
 174
 175         def reload(self, root = None, filter_tags = None):
 176                 if root is not None:
 177                         self.load(root, filter_tags)
 178                 else:
 179                         self.load(self.root, filter_tags)
 180                 self.l.setList(self.list)
 181
 182         def removeService(self, service):
 183                 for l in self.list[:]:
 184                         if l[0] == service:
 185                                 self.list.remove(l)
 186                 self.l.setList(self.list)
 187
 188         def __len__(self):
 189                 return len(self.list)
 190
 191         def load(self, root, filter_tags):
 192                 # this lists our root service, then building a
 193                 # nice list
 194
 195                 self.list = [ ]
 196                 self.serviceHandler = eServiceCenter.getInstance()
 197
 198                 self.root = root
 199                 list = self.serviceHandler.list(root)
 200                 if list is None:
 201                         print "listing of movies failed"
 202                         list = [ ]
 203                         return
 204                 tags = set()
 205
 206                 while 1:
 207                         serviceref = list.getNext()
 208                         if not serviceref.valid():
 209                                 break
 210                         if serviceref.flags & eServiceReference.mustDescent:
 211                                 continue
 212
 213                         info = self.serviceHandler.info(serviceref)
 214                         if info is None:
 215                                 continue
 216                         begin = info.getInfo(serviceref, iServiceInformation.sTimeCreate)
 217
 218                         # convert space-seperated list of tags into a set
 219                         this_tags = info.getInfoString(serviceref, iServiceInformation.sTags).split(' ')
 220                         if this_tags == ['']:
 221                                 this_tags = []
 222                         this_tags = set(this_tags)
 223                         tags |= this_tags
 224
 225                         # filter_tags is either None (which means no filter at all), or
 226                         # a set. In this case, all elements of filter_tags must be present,
 227                         # otherwise the entry will be dropped.
 228                         if filter_tags is not None and not this_tags.issuperset(filter_tags):
 229                                 continue
 230
 231                         self.list.append((serviceref, info, begin, -1))
 232
 233                 if self.sort_type == MovieList.SORT_ALPHANUMERIC:
 234                         self.list.sort(key=self.buildAlphaNumericSortKey)
 235                 else:
 236                         # sort: key is 'begin'
 237                         self.list.sort(key=lambda x: -x[2])
 238
 239                 # finally, store a list of all tags which were found. these can be presented
 240                 # to the user to filter the list
 241                 self.tags = tags
 242
 243         def buildAlphaNumericSortKey(self, x):
 244                 ref = x[0]
 245                 info = self.serviceHandler.info(ref)
 246                 name = info and info.getName(ref)
 247                 return (name and name.lower() or "", -x[2])
 248
 249         def moveTo(self, serviceref):
 250                 count = 0
 251                 for x in self.list:
 252                         if x[0] == serviceref:
 253                                 self.instance.moveSelectionTo(count)
 254                                 return True
 255                         count += 1
 256                 return False
 257
 258         def moveDown(self):
 259                 self.instance.moveSelection(self.instance.moveDown)