lib/python/Components/Converter/StringList.py

   1 from Converter import Converter
   2 from enigma import eListboxPythonStringContent
   3 from Components.Element import cached
   4
   5 class StringList(Converter):
   6         """Turns a simple python list into a list which can be used in a listbox."""
   7         def __init__(self, type):
   8                 Converter.__init__(self, type)
   9
  10         def changed(self, what):
  11                 self.content = eListboxPythonStringContent()
  12                 if self.source:
  13                         self.content.setList(self.source.list)
  14                 self.downstream_elements.changed(what)
  15
  16         def selectionChanged(self, index):
  17                 self.source.selectionChanged(index)
  18                 # update all non-master targets
  19                 for x in self.downstream_elements:
  20                         if x is not self.master:
  21                                 x.index = index
  22
  23         @cached
  24         def getCurrent(self):
  25                 if self.source is None:
  26                         return None
  27                 return self.source.list[self.index]
  28
  29         current = property(getCurrent)
  30
  31         # pass through: getIndex / setIndex to master
  32         @cached
  33         def getIndex(self):
  34                 if self.master is None:
  35                         return None
  36                 return self.master.index
  37
  38         def setIndex(self, index):
  39                 if self.master is not None:
  40                         self.master.index = index
  41
  42         index = property(getIndex, setIndex)