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from Components.VariableText import VariableText
from Renderer import Renderer
from Tools.Event import Event
from enigma import eListbox
# the listbox renderer is the listbox, but no listbox content.
# the content will be provided by the source (or converter).
# the source should emit the 'changed' signal whenever
# it has a new listbox content.
# the source needs to have the 'content' property for the
# used listbox content
# it should expose exactly the non-content related functions
# of the eListbox class. more or less.
class Listbox(Renderer, object):
def __init__(self):
Renderer.__init__(self)
self.__content = None
self.__wrap_around = False
self.__selection_enabled = True
GUI_WIDGET = eListbox
def contentChanged(self):
self.content = self.source.content
def setContent(self, content):
self.__content = content
if self.instance is not None:
self.instance.setContent(self.__content)
content = property(lambda self: self.__content, setContent)
def postWidgetCreate(self, instance):
if self.__content is not None:
instance.setContent(self.__content)
instance.selectionChanged.get().append(self.selectionChanged)
self.wrap_around = self.wrap_around # trigger
self.selection_enabled = self.selection_enabled # trigger
def setWrapAround(self, wrap_around):
self.__wrap_around = wrap_around
if self.instance is not None:
self.instance.setWrapAround(self.__wrap_around)
wrap_around = property(lambda self: self.__wrap_around, setWrapAround)
def selectionChanged(self):
self.source.selectionChanged(self.index)
def getIndex(self):
if self.instance is None:
return None
return self.instance.getCurrentIndex()
def moveToIndex(self, index):
if self.instance is None:
return
self.instance.moveSelectionTo(index)
index = property(getIndex, moveToIndex)
def move(self, direction):
if self.instance is not None:
self.instance.moveSelection(direction)
def setSelectionEnabled(self, enabled):
self.__selection_enabled = enabled
if self.instance is not None:
self.instance.setSelectionEnable(enabled)
selection_enabled = property(lambda self: self.__selection_enabled, setSelectionEnabled)
def changed(self, what):
self.content = self.source.content
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