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
   6 from enigma import eListboxPythonMultiContent, eListbox, gFont, iServiceInformation, \
   7         RT_HALIGN_LEFT, RT_HALIGN_RIGHT, eServiceReference, eServiceCenter
   8
   9 class MovieList(GUIComponent):
  10         def __init__(self, root):
  11                 GUIComponent.__init__(self)
  12                 self.l = eListboxPythonMultiContent()
  13                 self.tags = set()
  14                 if root is not None:
  15                         self.reload(root)
  16                 self.l.setFont(0, gFont("Regular", 22))
  17                 self.l.setFont(1, gFont("Regular", 18))
  18                 self.l.setFont(2, gFont("Regular", 16))
  19                 self.l.setBuildFunc(self.buildMovieListEntry)
  20                 self.l.setItemHeight(75)
  21
  22         #
  23         # | name of movie              |
  24         #
  25         def buildMovieListEntry(self, serviceref, info, begin, len):
  26                 if serviceref.flags & eServiceReference.mustDescent:
  27                         return None
  28
  29                 if len <= 0: #recalc len when not already done
  30                         cur_idx = self.l.getCurrentSelectionIndex()
  31                         x = self.list[cur_idx]
  32                         len = x[1].getLength(x[0]) #recalc the movie length...
  33                         self.list[cur_idx] = (x[0], x[1], x[2], len) #update entry in list... so next time we don't need to recalc
  34
  35                 if len > 0:
  36                         len = "%d:%02d" % (len / 60, len % 60)
  37                 else:
  38                         len = "?:??"
  39
  40                 res = [ None ]
  41
  42                 res.append(MultiContentEntryText(pos=(0, 0), size=(420, 30), font = 0, flags = RT_HALIGN_LEFT, text = info.getName(serviceref)))
  43                 service = ServiceReference(info.getInfoString(serviceref, iServiceInformation.sServiceref))
  44                 if service is not None:
  45                         res.append(MultiContentEntryText(pos=(420, 0), size=(140, 30), font = 2, flags = RT_HALIGN_RIGHT, text = service.getServiceName()))
  46
  47                 description = info.getInfoString(serviceref, iServiceInformation.sDescription)
  48
  49                 begin_string = ""
  50                 if begin > 0:
  51                         t = FuzzyTime(begin)
  52                         begin_string = t[0] + ", " + t[1]
  53
  54                 res.append(MultiContentEntryText(pos=(0, 30), size=(560, 20), font=1, flags=RT_HALIGN_LEFT, text=description))
  55                 res.append(MultiContentEntryText(pos=(0, 50), size=(270, 20), font=1, flags=RT_HALIGN_LEFT, text=begin_string))
  56                 res.append(MultiContentEntryText(pos=(290, 50), size=(270, 20), font=1, flags=RT_HALIGN_RIGHT, text=len))
  57
  58                 return res
  59
  60         def moveToIndex(self, index):
  61                 self.instance.moveSelectionTo(index)
  62
  63         def getCurrentIndex(self):
  64                 return self.instance.getCurrentIndex()
  65
  66         def getCurrentEvent(self):
  67                 l = self.l.getCurrentSelection()
  68                 return l and l[0] and l[1] and l[1].getEvent(l[0])
  69
  70         def getCurrent(self):
  71                 l = self.l.getCurrentSelection()
  72                 return l and l[0]
  73
  74         GUI_WIDGET = eListbox
  75
  76         def postWidgetCreate(self, instance):
  77                 instance.setContent(self.l)
  78
  79         def reload(self, root = None, filter_tags = None):
  80                 if root is not None:
  81                         self.load(root, filter_tags)
  82                 else:
  83                         self.load(self.root, filter_tags)
  84                 self.l.setList(self.list)
  85
  86         def removeService(self, service):
  87                 for l in self.list[:]:
  88                         if l[0] == service:
  89                                 self.list.remove(l)
  90                 self.l.setList(self.list)
  91
  92         def __len__(self):
  93                 return len(self.list)
  94
  95         def load(self, root, filter_tags):
  96                 # this lists our root service, then building a
  97                 # nice list
  98
  99                 self.list = [ ]
 100                 self.root = root
 101
 102                 self.serviceHandler = eServiceCenter.getInstance()
 103                 list = self.serviceHandler.list(root)
 104
 105                 tags = set()
 106
 107                 if list is None:
 108                         raise "listing of movies failed"
 109
 110                 while 1:
 111                         serviceref = list.getNext()
 112                         if not serviceref.valid():
 113                                 break
 114                         if serviceref.flags & eServiceReference.mustDescent:
 115                                 continue
 116                         info = self.serviceHandler.info(serviceref)
 117                         if info is None:
 118                                 continue
 119                         begin = info.getInfo(serviceref, iServiceInformation.sTimeCreate)
 120
 121                         # convert space-seperated list of tags into a set
 122                         this_tags = info.getInfoString(serviceref, iServiceInformation.sTags).split(' ')
 123                         if this_tags == ['']:
 124                                 this_tags = []
 125                         this_tags = set(this_tags)
 126
 127                         # filter_tags is either None (which means no filter at all), or
 128                         # a set. In this case, all elements of filter_tags must be present,
 129                         # otherwise the entry will be dropped.
 130                         if filter_tags is not None and not this_tags.issuperset(filter_tags):
 131                                 continue
 132
 133                         tags |= this_tags
 134                         self.list.append((serviceref, info, begin, -1))
 135
 136                 # sort: key is 'begin'
 137                 self.list.sort(key=lambda x: -x[2])
 138
 139                 # finally, store a list of all tags which were found. these can be presented
 140                 # to the user to filter the list
 141                 self.tags = tags
 142
 143         def moveTo(self, serviceref):
 144                 found = 0
 145                 count = 0
 146                 for x in self.list:
 147                         if x[0] == serviceref:
 148                                 found = count
 149                         count += 1
 150                 self.instance.moveSelectionTo(found)
 151
 152         def moveDown(self):
 153                 self.instance.moveSelection(self.instance.moveDown)