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from Screen import Screen
import string
from Screens.HelpMenu import HelpableScreen
from Components.config import config
from Components.Label import Label
from Components.Slider import Slider
from Components.ActionMap import HelpableActionMap, NumberActionMap
from Components.Pixmap import *
from Components.MenuList import MenuList
from Components.ConfigList import ConfigList
from xml.sax import make_parser
from xml.sax.handler import ContentHandler
class Wizard(Screen, HelpableScreen):
class parseWizard(ContentHandler):
def __init__(self, wizard):
self.isPointsElement, self.isReboundsElement = 0, 0
self.wizard = wizard
self.currContent = ""
self.lastStep = 0
def startElement(self, name, attrs):
print "startElement", name
self.currContent = name
if (name == "step"):
self.lastStep += 1
if attrs.has_key('id'):
id = str(attrs.get('id'))
else:
id = ""
if attrs.has_key('nextstep'):
nextstep = str(attrs.get('nextstep'))
else:
nextstep = None
self.wizard[self.lastStep] = {"id": id, "condition": "", "text": "", "list": [], "config": {"screen": None, "args": None, "type": "" }, "code": "", "codeafter": "", "nextstep": nextstep}
elif (name == "text"):
self.wizard[self.lastStep]["text"] = string.replace(str(attrs.get('value')), "\\n", "\n")
elif (name == "listentry"):
self.wizard[self.lastStep]["list"].append((str(attrs.get('caption')), str(attrs.get('step'))))
elif (name == "config"):
exec "from Screens." + str(attrs.get('module')) + " import *"
self.wizard[self.lastStep]["config"]["screen"] = eval(str(attrs.get('screen')))
if (attrs.has_key('args')):
print "has args"
self.wizard[self.lastStep]["config"]["args"] = str(attrs.get('args'))
self.wizard[self.lastStep]["config"]["type"] = str(attrs.get('type'))
elif (name == "code"):
if attrs.has_key('pos') and str(attrs.get('pos')) == "after":
self.codeafter = True
else:
self.codeafter = False
elif (name == "condition"):
pass
def endElement(self, name):
self.currContent = ""
if name == 'code':
if self.codeafter:
self.wizard[self.lastStep]["codeafter"] = self.wizard[self.lastStep]["codeafter"].strip()
else:
self.wizard[self.lastStep]["code"] = self.wizard[self.lastStep]["code"].strip()
elif name == 'condition':
self.wizard[self.lastStep]["condition"] = self.wizard[self.lastStep]["condition"].strip()
def characters(self, ch):
if self.currContent == "code":
if self.codeafter:
self.wizard[self.lastStep]["codeafter"] = self.wizard[self.lastStep]["codeafter"] + ch
else:
self.wizard[self.lastStep]["code"] = self.wizard[self.lastStep]["code"] + ch
elif self.currContent == "condition":
self.wizard[self.lastStep]["condition"] = self.wizard[self.lastStep]["condition"] + ch
def __init__(self, session, showSteps = True, showStepSlider = True, showList = True, showConfig = True):
Screen.__init__(self, session)
HelpableScreen.__init__(self)
self.stepHistory = []
self.wizard = {}
parser = make_parser()
print "Reading " + self.xmlfile
wizardHandler = self.parseWizard(self.wizard)
parser.setContentHandler(wizardHandler)
parser.parse('/usr/share/enigma2/' + self.xmlfile)
self.showSteps = showSteps
self.showStepSlider = showStepSlider
self.showList = showList
self.showConfig = showConfig
self.numSteps = len(self.wizard)
self.currStep = 1
self["text"] = Label()
if showConfig:
self["config"] = ConfigList([])
if self.showSteps:
self["step"] = Label()
if self.showStepSlider:
self["stepslider"] = Slider(1, self.numSteps)
if self.showList:
self.list = []
self["list"] = MenuList(self.list)
self.onShown.append(self.updateValues)
self.configInstance = None
self["actions"] = NumberActionMap(["WizardActions", "NumberActions"],
{
"ok": self.ok,
"back": self.back,
"left": self.left,
"right": self.right,
"up": self.up,
"down": self.down,
"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)
def back(self):
if len(self.stepHistory) > 1:
self.currStep = self.stepHistory[-2]
self.stepHistory = self.stepHistory[:-2]
if self.currStep < 1:
self.currStep = 1
self.updateValues()
def markDone(self):
pass
def getStepWithID(self, id):
count = 0
for x in self.wizard:
if self.wizard[x]["id"] == id:
return count
count += 1
return 0
def ok(self):
print "OK"
currStep = self.currStep
if self.showConfig:
if (self.wizard[currStep]["config"]["screen"] != None):
# TODO: don't die, if no run() is available
# there was a try/except here, but i can't see a reason
# for this. If there is one, please do a more specific check
# and/or a comment in which situation there is no run()
self.configInstance.run()
if self.showList:
if (len(self.wizard[currStep]["list"]) > 0):
nextStep = self.wizard[currStep]["list"][self["list"].l.getCurrentSelectionIndex()][1]
self.currStep = self.getStepWithID(nextStep)
if (currStep == self.numSteps): # wizard finished
self.markDone()
self.close()
else:
self.runCode(self.wizard[currStep]["codeafter"])
if self.wizard[currStep]["nextstep"] is not None:
self.currStep = self.getStepWithID(self.wizard[currStep]["nextstep"])
self.currStep += 1
self.updateValues()
print "Now: " + str(self.currStep)
def keyNumberGlobal(self, number):
if (self.wizard[self.currStep]["config"]["screen"] != None):
self.configInstance.keyNumberGlobal(number)
def left(self):
if (self.wizard[self.currStep]["config"]["screen"] != None):
self.configInstance.keyLeft()
print "left"
def right(self):
if (self.wizard[self.currStep]["config"]["screen"] != None):
self.configInstance.keyRight()
print "right"
def up(self):
if (self.showConfig and self.wizard[self.currStep]["config"]["screen"] != None):
self["config"].instance.moveSelection(self["config"].instance.moveUp)
elif (self.showList and len(self.wizard[self.currStep]["list"]) > 0):
self["list"].instance.moveSelection(self["list"].instance.moveUp)
print "up"
def down(self):
if (self.showConfig and self.wizard[self.currStep]["config"]["screen"] != None):
self["config"].instance.moveSelection(self["config"].instance.moveDown)
elif (self.showList and len(self.wizard[self.currStep]["list"]) > 0):
self["list"].instance.moveSelection(self["list"].instance.moveDown)
print "down"
def runCode(self, code):
if code != "":
print "code", code
exec(code)
def updateValues(self):
print "Updating values in step " + str(self.currStep)
self.stepHistory.append(self.currStep)
if self.configInstance is not None:
del self.configInstance["config"]
self.configInstance.doClose()
self.configInstance = None
self.condition = True
exec (self.wizard[self.currStep]["condition"])
if self.condition:
if self.showSteps:
self["step"].setText(_("Step ") + str(self.currStep) + "/" + str(self.numSteps))
if self.showStepSlider:
self["stepslider"].setValue(self.currStep)
print "wizard text", _(self.wizard[self.currStep]["text"])
self["text"].setText(_(self.wizard[self.currStep]["text"]))
self.runCode(self.wizard[self.currStep]["code"])
if self.showList:
self["list"].instance.setZPosition(1)
self.list = []
if (len(self.wizard[self.currStep]["list"]) > 0):
self["list"].instance.setZPosition(2)
for x in self.wizard[self.currStep]["list"]:
self.list.append((_(x[0]), None))
self["list"].l.setList(self.list)
self["list"].moveToIndex(0)
if self.showConfig:
self["config"].instance.setZPosition(1)
if (self.wizard[self.currStep]["config"]["screen"] != None):
if self.wizard[self.currStep]["config"]["type"] == "standalone":
print "Type is standalone"
self.session.openWithCallback(self.ok, self.wizard[self.currStep]["config"]["screen"])
else:
self["config"].instance.setZPosition(2)
print "wizard screen", self.wizard[self.currStep]["config"]["screen"]
if self.wizard[self.currStep]["config"]["args"] == None:
self.configInstance = self.session.instantiateDialog(self.wizard[self.currStep]["config"]["screen"])
else:
self.configInstance = self.session.instantiateDialog(self.wizard[self.currStep]["config"]["screen"], eval(self.wizard[self.currStep]["config"]["args"]))
self["config"].l.setList(self.configInstance["config"].list)
self.configInstance["config"].destroy()
self.configInstance["config"] = self["config"]
else:
self["config"].l.setList([])
else: # condition false
self.currStep += 1
self.updateValues()
class WizardManager:
def __init__(self):
self.wizards = []
def registerWizard(self, wizard, precondition):
self.wizards.append((wizard, precondition))
def getWizards(self):
list = []
for x in self.wizards:
if x[1] == 1: # precondition
list.append(x[0])
return list
wizardManager = WizardManager()
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