fix no more working displaying of used tuner for foreground service
[enigma2.git] / lib / python / Screens / Wizard.py
index 97b07bfd94f0db8b27c72872f3bff7124073b8fc..8c4f88677c2f045356408a4f59d9332190830897 100644 (file)
@@ -1,10 +1,12 @@
 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.config import config, configElementBoolean
 from Components.Pixmap import *
 from Components.MenuList import MenuList
 from Components.ConfigList import ConfigList
@@ -12,8 +14,6 @@ from Components.ConfigList import ConfigList
 from xml.sax import make_parser
 from xml.sax.handler import ContentHandler
 
-config.misc.firstrun = configElementBoolean("config.misc.firstrun", 1);
-
 class Wizard(Screen, HelpableScreen):
 
        class parseWizard(ContentHandler):
@@ -21,15 +21,24 @@ class Wizard(Screen, HelpableScreen):
                        self.isPointsElement, self.isReboundsElement = 0, 0
                        self.wizard = wizard
                        self.currContent = ""
+                       self.lastStep = 0
                
                def startElement(self, name, attrs):
-                       print name
+                       print "startElement", name
                        self.currContent = name
                        if (name == "step"):
-                               self.lastStep = int(attrs.get('number'))
-                               self.wizard[self.lastStep] = {"text": "", "list": [], "config": {"screen": None, "args": None, "type": "" }, "code": ""}
+                               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"] = str(attrs.get('value'))
+                               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"):
@@ -39,46 +48,76 @@ class Wizard(Screen, HelpableScreen):
                                        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':
-                               self.wizard[self.lastStep]["code"] = self.wizard[self.lastStep]["code"].strip()
-                               
+                               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":
-                                self.wizard[self.lastStep]["code"] = self.wizard[self.lastStep]["code"] + ch
-                               
-       def __init__(self, session):
+                               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()
 
-               self["config"] = ConfigList([])
+               if showConfig:
+                       self["config"] = ConfigList([])
 
-               self["step"] = Label()
-                               
-               self["stepslider"] = Slider(1, self.numSteps)
+               if self.showSteps:
+                       self["step"] = Label()
                
-               self.list = []
-               self["list"] = MenuList(self.list)
+               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,
-                       #"cancel": self.keyCancel,
+                       "back": self.back,
                        "left": self.left,
                        "right": self.right,
                        "up": self.up,
@@ -94,34 +133,50 @@ class Wizard(Screen, HelpableScreen):
                        "9": self.keyNumberGlobal,
                        "0": self.keyNumberGlobal
                }, -1)
-               
-               #self["actions"] = HelpableActionMap(self, "OkCancelActions",
-                       #{
-                               #"ok": (self.ok, _("Close this Screen...")),
-                       #})
 
+       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"
-               if (self.wizard[self.currStep]["config"]["screen"] != None):
-                       try: # don't die, if no run() is available
+               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()
-                       except:
-                               print "Failed to run configInstance"
-               
-               if (len(self.wizard[self.currStep]["list"]) > 0):
-                       nextStep = self.wizard[self.currStep]["list"][self["list"].l.getCurrentSelectionIndex()][1]
-                       if nextStep == "end":
-                               self.currStep = self.numSteps
-                       elif nextStep == "next":
-                               pass
-                       else:
-                               self.currStep = int(nextStep) - 1
+               
+               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 (self.currStep == self.numSteps): # wizard finished
-                       config.misc.firstrun.value = 0;
-                       config.misc.firstrun.save()
-                       self.session.close()
+               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()
                        
@@ -142,66 +197,91 @@ class Wizard(Screen, HelpableScreen):
                print "right"
 
        def up(self):
-               if (self.wizard[self.currStep]["config"]["screen"] != None):
-                       self["config"].instance.moveSelection(self["config"].instance.moveUp)
-               elif (len(self.wizard[self.currStep]["list"]) > 0):
-                       self["list"].instance.moveSelection(self["config"].instance.moveUp)
+               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.wizard[self.currStep]["config"]["screen"] != None):
+               if (self.showConfig and self.wizard[self.currStep]["config"]["screen"] != None):
                        self["config"].instance.moveSelection(self["config"].instance.moveDown)
-               elif (len(self.wizard[self.currStep]["list"]) > 0):
-                       self["list"].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["step"].setText(_("Step ") + str(self.currStep) + "/" + str(self.numSteps))
-               self["stepslider"].setValue(self.currStep)
-
-               self["text"].setText(self.wizard[self.currStep]["text"])
-
-               if self.wizard[self.currStep]["code"] != "":
-                       print self.wizard[self.currStep]["code"]
-                       exec(self.wizard[self.currStep]["code"])
                
-               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["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 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"])
+               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.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"] = self["config"]
-               else:
-                       self["config"].l.setList([])
+                                       self["config"].l.setList([])
+               else: # condition false
+                               self.currStep += 1
+                               self.updateValues()
 
 class WizardManager:
        def __init__(self):
                self.wizards = []
        
-       def registerWizard(self, wizard):
-               self.wizards.append(wizard)
+       def registerWizard(self, wizard, precondition):
+               self.wizards.append((wizard, precondition))
        
        def getWizards(self):
-               if config.misc.firstrun.value:
-                       return self.wizards
-               else:
-                       return []
+               list = []
+               for x in self.wizards:
+                       if x[1] == 1: # precondition
+                               list.append(x[0])
+               return list
 
 wizardManager = WizardManager()