simplerss/src/RSSList.py

   1 from Components.GUIComponent import GUIComponent
   2 from Components.MultiContent import MultiContentEntryText
   3 from enigma import eListboxPythonMultiContent, eListbox, gFont, RT_HALIGN_LEFT, RT_WRAP
   4
   5 class RSSBaseList(GUIComponent):
   6         """Base List Component for RSSFeeds."""
   7         def __init__(self, entries, itemheight):
   8                 GUIComponent.__init__(self)
   9                 self.list = entries
  10                 self.itemheight = itemheight
  11                 self.l = eListboxPythonMultiContent()
  12                 self.l.setFont(0, gFont("Regular", 22))
  13                 self.l.setFont(1, gFont("Regular", 18))
  14                 self.l.setList(self.list)
  15
  16                 self.onSelectionChanged = [ ]
  17
  18         def connectSelChanged(self, fnc):
  19                 if not fnc in self.onSelectionChanged:
  20                         self.onSelectionChanged.append(fnc)
  21
  22         def disconnectSelChanged(self, fnc):
  23                 if fnc in self.onSelectionChanged:
  24                         self.onSelectionChanged.remove(fnc)
  25
  26         def selectionChanged(self):
  27                 for x in self.onSelectionChanged:
  28                         try:
  29                                 x()
  30                         except:
  31                                 pass
  32
  33         GUI_WIDGET = eListbox
  34
  35         def postWidgetCreate(self, instance):
  36                 instance.setContent(self.l)
  37                 instance.setItemHeight(self.itemheight)
  38                 instance.selectionChanged.get().append(self.selectionChanged)
  39
  40         def getCurrentEntry(self):
  41                 return self.l.getCurrentSelection()
  42
  43         def getCurrentIndex(self):
  44                 return self.instance.getCurrentIndex()
  45
  46         def moveToIndex(self, index):
  47                 self.instance.moveSelectionTo(index)
  48
  49         def moveToEntry(self, identifier):
  50                 pass
  51
  52         def moveDown(self):
  53                 self.instance.moveSelection(self.instance.moveDown)
  54
  55         def moveUp(self):
  56                 self.instance.moveSelection(self.instance.moveUp)
  57
  58         def invalidate(self):
  59                 self.l.invalidate()
  60
  61 class RSSFeedList(RSSBaseList):
  62         def __init__(self, entries):
  63                 RSSBaseList.__init__(self, entries, 100)
  64                 self.l.setBuildFunc(self.buildListboxEntry)
  65
  66         def moveToEntry(self, feed):
  67                 if feed is None:
  68                         return
  69
  70                 idx = 0
  71                 for x in self.list:
  72                         if feed.uri == x[0].uri:
  73                                 self.instance.moveSelectionTo(idx)
  74                                 break
  75                         idx += 1
  76
  77         def buildListboxEntry(self, feed):
  78                 res = [ None ]
  79                 width = self.l.getItemSize().width()
  80                 res.append(MultiContentEntryText(pos=(0, 0), size=(width, 75), font=0, flags = RT_HALIGN_LEFT|RT_WRAP, text = feed.title))
  81                 res.append(MultiContentEntryText(pos=(0, 75), size=(width, 20), font=1, flags = RT_HALIGN_LEFT, text = feed.description))
  82                 return res
  83
  84         def getCurrentEntry(self):
  85                 # We know that the list will never be empty...
  86                 return self.l.getCurrentSelection()[0]
  87
  88 class RSSEntryList(RSSBaseList):
  89         def __init__(self, entries):
  90                 RSSBaseList.__init__(self, entries, 50)
  91                 self.l.setBuildFunc(self.buildListboxEntry)
  92
  93         def moveToEntry(self, entry):
  94                 if entry is None:
  95                         return
  96
  97                 idx = 0
  98                 for x in self.list:
  99                         if entry[0] == x[0]:
 100                                 self.instance.moveSelectionTo(idx)
 101                                 break
 102                         idx += 1
 103
 104         def buildListboxEntry(self, title, link, summary, enclosures):
 105                 res = [ None ]
 106                 width = self.l.getItemSize().width()
 107                 res.append(MultiContentEntryText(pos=(0, 0), size=(width, 50), font=0, flags = RT_HALIGN_LEFT|RT_WRAP, text = title))
 108                 return res