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from HTMLComponent import *
from GUIComponent import *
from config import KEY_LEFT, KEY_RIGHT, KEY_0, KEY_DELETE, KEY_OK, KEY_TIMEOUT, ConfigElement
from Components.ActionMap import NumberActionMap
from enigma import eListbox, eListboxPythonConfigContent, eTimer
from Screens.MessageBox import MessageBox
class ConfigList(HTMLComponent, GUIComponent, object):
def __init__(self, list, session = None):
GUIComponent.__init__(self)
self.l = eListboxPythonConfigContent()
self.l.setSeperation(100)
self.timer = eTimer()
self.list = list
self.onSelectionChanged = [ ]
self.current = None
self.help_window = None
self.setHelpWindowSession(session)
def execBegin(self):
self.timer.timeout.get().append(self.timeout)
def execEnd(self):
self.timer.timeout.get().remove(self.timeout)
def setHelpWindowSession(self, session):
assert self.help_window is None, "you can't move a help window to another session"
self.session = session
def toggle(self):
selection = self.getCurrent()
selection[1].toggle()
self.invalidateCurrent()
def handleKey(self, key):
selection = self.getCurrent()
if selection and selection[1].enabled:
selection[1].handleKey(key)
self.invalidateCurrent()
if self.help_window:
self.help_window.update(selection[1])
if key not in [KEY_TIMEOUT, KEY_LEFT, KEY_RIGHT, KEY_DELETE, KEY_OK]:
self.timer.start(1000, 1)
def getCurrent(self):
return self.l.getCurrentSelection()
def invalidateCurrent(self):
self.l.invalidateEntry(self.l.getCurrentSelectionIndex())
def invalidate(self, entry):
# when the entry to invalidate does not exist, just ignore the request.
# this eases up conditional setup screens a lot.
if entry in self.__list:
self.l.invalidateEntry(self.__list.index(entry))
GUI_WIDGET = eListbox
def selectionChanged(self):
n = self.getCurrent()
if self.help_window:
self.session.deleteDialog(self.help_window)
nh = n and n[1].helpWindow()
if nh is not None and self.session is not None:
self.help_window = self.session.instantiateDialog(*nh)
self.help_window.show()
self.current = n
for x in self.onSelectionChanged:
x()
def postWidgetCreate(self, instance):
instance.setContent(self.l)
instance.selectionChanged.get().append(self.selectionChanged)
def preWidgetRemove(self, instance):
instance.selectionChanged.get().remove(self.selectionChanged)
def setList(self, l):
self.timer.stop()
self.__list = l
self.l.setList(self.__list)
if l is not None:
for x in l:
assert isinstance(x[1], ConfigElement), "entry in ConfigList " + str(x[1]) + " must be a ConfigElement"
def getList(self):
return self.__list
list = property(getList, setList)
def timeout(self):
self.handleKey(KEY_TIMEOUT)
def isChanged(self):
is_changed = False
for x in self.list:
is_changed |= x[1].isChanged()
return is_changed
class ConfigListScreen:
def __init__(self, list, session = None, on_change = None):
self["config_actions"] = NumberActionMap(["SetupActions", "TextInputActions"],
{
"ok": self.keyOK,
"left": self.keyLeft,
"right": self.keyRight,
"delete": self.keyDelete,
"1": self.keyNumberGlobal,
"2": self.keyNumberGlobal,
"3": self.keyNumberGlobal,
"4": self.keyNumberGlobal,
"5": self.keyNumberGlobal,
"6": self.keyNumberGlobal,
"7": self.keyNumberGlobal,
"8": self.keyNumberGlobal,
"9": self.keyNumberGlobal,
"0": self.keyNumberGlobal
}, -1) # to prevent left/right overriding the listbox
self["config"] = ConfigList(list, session = session)
if on_change is not None:
self.__changed = on_change
else:
self.__changed = lambda: None
def keyOK(self):
self["config"].handleKey(KEY_OK)
def keyLeft(self):
self["config"].handleKey(KEY_LEFT)
self.__changed()
def keyRight(self):
self["config"].handleKey(KEY_RIGHT)
self.__changed()
def keyDelete(self):
self["config"].handleKey(KEY_DELETE)
self.__changed()
def keyNumberGlobal(self, number):
self["config"].handleKey(KEY_0 + number)
self.__changed()
# keySave and keyCancel are just provided in case you need them.
# you have to call them by yourself.
def keySave(self):
for x in self["config"].list:
x[1].save()
self.close()
def cancelConfirm(self, result):
if not result:
return
for x in self["config"].list:
x[1].cancel()
self.close()
def keyCancel(self):
if self["config"].isChanged():
self.session.openWithCallback(self.cancelConfirm, MessageBox, _("Really close without saving settings?"))
else:
self.close()
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