lib/python/Components/MovieList.py

   1 from HTMLComponent import *
   2 from GUIComponent import *
   3 from Tools.FuzzyDate import FuzzyTime
   4 from ServiceReference import ServiceReference
   5 from Components.MultiContent import MultiContentEntryText, RT_HALIGN_LEFT, RT_HALIGN_RIGHT
   6
   7 from enigma import eListboxPythonMultiContent, eListbox, gFont, iServiceInformation
   8
   9 from enigma import eServiceReference, eServiceCenter, \
  10         eServiceCenterPtr, iListableServicePtr, \
  11         iStaticServiceInformationPtr
  12
  13 class MovieList(HTMLComponent, GUIComponent):
  14         def __init__(self, root):
  15                 GUIComponent.__init__(self)
  16                 self.l = eListboxPythonMultiContent()
  17                 self.tags = set()
  18                 if root is not None:
  19                         self.reload(root)
  20                 self.l.setFont(0, gFont("Regular", 22))
  21                 self.l.setFont(1, gFont("Regular", 18))
  22                 self.l.setFont(2, gFont("Regular", 16))
  23                 self.l.setBuildFunc(self.buildMovieListEntry)
  24
  25         #
  26         # | name of movie              |
  27         #
  28         def buildMovieListEntry(self, serviceref, info, begin, len):
  29                 if serviceref.flags & eServiceReference.mustDescent:
  30                         return None
  31
  32                 if len > 0:
  33                         len = "%d:%02d" % (len / 60, len % 60)
  34                 else:
  35                         len = "?:??"
  36
  37                 res = [ None ]
  38
  39                 res.append(MultiContentEntryText(pos=(0, 0), size=(420, 30), font = 0, flags = RT_HALIGN_LEFT, text = info.getName(serviceref)))
  40                 service = ServiceReference(info.getInfoString(serviceref, iServiceInformation.sServiceref))
  41                 if service is not None:
  42                         res.append(MultiContentEntryText(pos=(420, 0), size=(140, 30), font = 2, flags = RT_HALIGN_RIGHT, text = service.getServiceName()))
  43
  44                 description = info.getInfoString(serviceref, iServiceInformation.sDescription)
  45
  46                 begin_string = ""
  47                 if begin > 0:
  48                         t = FuzzyTime(begin)
  49                         begin_string = t[0] + ", " + t[1]
  50
  51                 res.append(MultiContentEntryText(pos=(0, 30), size=(560, 20), font=1, flags=RT_HALIGN_LEFT, text=description))
  52                 res.append(MultiContentEntryText(pos=(0, 50), size=(270, 20), font=1, flags=RT_HALIGN_LEFT, text=begin_string))
  53                 res.append(MultiContentEntryText(pos=(290, 50), size=(270, 20), font=1, flags=RT_HALIGN_RIGHT, text=len))
  54
  55                 return res
  56
  57         def moveToIndex(self, index):
  58                 self.instance.moveSelectionTo(index)
  59
  60         def getCurrentIndex(self):
  61                 return self.instance.getCurrentIndex()
  62
  63         def getCurrentEvent(self):
  64                 l = self.l.getCurrentSelection()
  65                 return l and l[0] and l[1] and l[1].getEvent(l[0])
  66
  67         def getCurrent(self):
  68                 l = self.l.getCurrentSelection()
  69                 return l and l[0]
  70
  71         GUI_WIDGET = eListbox
  72
  73         def postWidgetCreate(self, instance):
  74                 instance.setContent(self.l)
  75                 instance.setItemHeight(75)
  76
  77         def reload(self, root = None, filter_tags = None):
  78                 if root is not None:
  79                         self.load(root, filter_tags)
  80                 else:
  81                         self.load(self.root, filter_tags)
  82                 self.l.setList(self.list)
  83
  84         def removeService(self, service):
  85                 for l in self.list[:]:
  86                         if l[0] == service:
  87                                 self.list.remove(l)
  88                 self.l.setList(self.list)
  89
  90         def __len__(self):
  91                 return len(self.list)
  92
  93         def updateLengthOfIndex(self, index):
  94                 if len(self.list) > index:
  95                         x = self.list[index]
  96                         self.list[index] = (x[0], x[1], x[2], x[1].getLength(x[0]))
  97                         self.l.invalidateEntry(index)
  98
  99         def load(self, root, filter_tags):
 100                 # this lists our root service, then building a
 101                 # nice list
 102
 103                 self.list = [ ]
 104                 self.root = root
 105
 106                 self.serviceHandler = eServiceCenter.getInstance()
 107                 list = self.serviceHandler.list(root)
 108
 109                 tags = set()
 110
 111                 if list is None:
 112                         raise "listing of movies failed"
 113
 114                 while 1:
 115                         serviceref = list.getNext()
 116                         if not serviceref.valid():
 117                                 break
 118                         if serviceref.flags & eServiceReference.mustDescent:
 119                                 continue
 120                         info = self.serviceHandler.info(serviceref)
 121                         if info is None:
 122                                 continue
 123                         begin = info.getInfo(serviceref, iServiceInformation.sTimeCreate)
 124
 125                         # convert space-seperated list of tags into a set
 126                         this_tags = info.getInfoString(serviceref, iServiceInformation.sTags).split(' ')
 127                         if this_tags == ['']:
 128                                 this_tags = []
 129                         this_tags = set(this_tags)
 130
 131                         # filter_tags is either None (which means no filter at all), or
 132                         # a set. In this case, all elements of filter_tags must be present,
 133                         # otherwise the entry will be dropped.
 134                         if filter_tags is not None and not this_tags.issuperset(filter_tags):
 135                                 continue
 136
 137                         tags |= this_tags
 138                         self.list.append((serviceref, info, begin, -1))
 139
 140                 # sort: key is 'begin'
 141                 self.list.sort(key=lambda x: -x[2])
 142
 143                 # finally, store a list of all tags which were found. these can be presented
 144                 # to the user to filter the list
 145                 self.tags = tags
 146
 147         def moveTo(self, serviceref):
 148                 found = 0
 149                 count = 0
 150                 for x in self.list:
 151                         if x[0] == serviceref:
 152                                 found = count
 153                         count += 1
 154                 self.instance.moveSelectionTo(found)
 155
 156         def moveDown(self):
 157                 self.instance.moveSelection(self.instance.moveDown)