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from Converter import Converter
from enigma import eListboxPythonStringContent
from Components.Element import cached
class StringList(Converter):
"""Turns a simple python list into a list which can be used in a listbox."""
def __init__(self, type):
Converter.__init__(self, type)
self.content = None
def changed(self, what):
if not self.content:
self.content = eListboxPythonStringContent()
if self.source:
self.content.setList(self.source.list)
self.downstream_elements.changed(what)
def selectionChanged(self, index):
self.source.selectionChanged(index)
def setIndex(self, index):
# update all non-master targets
for x in self.downstream_elements:
if x is not self.master:
x.index = index
def getIndex(self, index):
return None
index = property(getIndex, setIndex)
@cached
def getCurrent(self):
if self.source is None or self.index is None or self.index >= len(self.source.list):
return None
return self.source.list[self.index]
current = property(getCurrent)
# pass through: getIndex / setIndex to master
@cached
def getIndex(self):
if self.master is None:
return None
return self.master.index
def setIndex(self, index):
if self.master is not None:
self.master.index = index
index = property(getIndex, setIndex)
def entry_changed(self, index):
if self.content:
self.content.invalidateEntry(index)
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