delete all service references before playService .. otherwise the 2nd tuner is used...
[enigma2.git] / lib / python / Screens / Wizard.py
index 07c5f9afce98a18dc3c209bc3a340f2fea57c5bd..036c81de8ba21be74addca8180565eac8c0fdc31 100644 (file)
@@ -1,10 +1,11 @@
 from Screen import Screen
 
 from Screen import Screen
 
+import string
+
 from Screens.HelpMenu import HelpableScreen
 from Components.Label import Label
 from Components.Slider import Slider
 from Components.ActionMap import HelpableActionMap, NumberActionMap
 from Screens.HelpMenu import HelpableScreen
 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
 from Components.Pixmap import *
 from Components.MenuList import MenuList
 from Components.ConfigList import ConfigList
@@ -12,36 +13,31 @@ from Components.ConfigList import ConfigList
 from xml.sax import make_parser
 from xml.sax.handler import ContentHandler
 
 from xml.sax import make_parser
 from xml.sax.handler import ContentHandler
 
-config.misc.firstrun = configElementBoolean("config.misc.firstrun", 1);
-
-class WelcomeWizard(Screen, HelpableScreen):
-
-       skin = """
-               <screen position="0,0" size="720,560" title="Welcome..." flags="wfNoBorder" >
-                       <widget name="text" position="50,100" size="440,200" font="Arial;23" />
-                       <widget name="list" position="50,300" zPosition="1" size="440,200" />
-                       <widget name="config" position="50,300" zPosition="1" size="440,200" transparent="1" />                 
-                       <widget name="step" position="50,50" size="440,25" font="Arial;23" />
-                       <widget name="stepslider" position="50,500" zPosition="1" size="440,20" backgroundColor="dark" />
-                       <widget name="rc" pixmap="/usr/share/enigma2/rc.png" position="500,600" zPosition="10" size="154,475" transparent="1" alphatest="on"/>
-                       <widget name="arrowdown" pixmap="/usr/share/enigma2/arrowdown.png" position="0,0" zPosition="11" size="37,70" transparent="1" alphatest="on"/>
-                       <widget name="arrowup" pixmap="/usr/share/enigma2/arrowup.png" position="-100,-100" zPosition="11" size="37,70" transparent="1" alphatest="on"/>
-               </screen>"""
+class Wizard(Screen, HelpableScreen):
 
        class parseWizard(ContentHandler):
                def __init__(self, wizard):
                        self.isPointsElement, self.isReboundsElement = 0, 0
                        self.wizard = wizard
                        self.currContent = ""
 
        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):
                
                def startElement(self, name, attrs):
-                       print name
+                       print "startElement", name
                        self.currContent = name
                        if (name == "step"):
                        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"):
                        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"):
                        elif (name == "listentry"):
                                self.wizard[self.lastStep]["list"].append((str(attrs.get('caption')), str(attrs.get('step'))))
                        elif (name == "config"):
@@ -51,51 +47,76 @@ class WelcomeWizard(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'))
                                        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':
                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":
                def characters(self, ch):
                        if self.currContent == "code":
-                                self.wizard[self.lastStep]["code"] = self.wizard[self.lastStep]["code"] + ch
-                               
-       def __init__(self, session):
-               self.skin = WelcomeWizard.skin
+                               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)
 
                Screen.__init__(self, session)
                HelpableScreen.__init__(self)
 
+               self.stepHistory = []
+
                self.wizard = {}
                parser = make_parser()
                self.wizard = {}
                parser = make_parser()
-               print "Reading startwizard.xml"
+               print "Reading " + self.xmlfile
                wizardHandler = self.parseWizard(self.wizard)
                parser.setContentHandler(wizardHandler)
                wizardHandler = self.parseWizard(self.wizard)
                parser.setContentHandler(wizardHandler)
-               parser.parse('/usr/share/enigma2/startwizard.xml')
-               
+               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.numSteps = len(self.wizard)
                self.currStep = 1
 
                self["text"] = Label()
-               self["rc"] = MovingPixmap()
-               self["arrowdown"] = MovingPixmap()
-               self["arrowup"] = MovingPixmap()
 
 
-               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.onShown.append(self.updateValues)
+
+               self.configInstance = None
                
                self["actions"] = NumberActionMap(["WizardActions", "NumberActions"],
                {
                        "ok": self.ok,
                
                self["actions"] = NumberActionMap(["WizardActions", "NumberActions"],
                {
                        "ok": self.ok,
-                       #"cancel": self.keyCancel,
+                       "back": self.back,
                        "left": self.left,
                        "right": self.right,
                        "up": self.up,
                        "left": self.left,
                        "right": self.right,
                        "up": self.up,
@@ -111,34 +132,49 @@ class WelcomeWizard(Screen, HelpableScreen):
                        "9": self.keyNumberGlobal,
                        "0": self.keyNumberGlobal
                }, -1)
                        "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"
        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()
                                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:
                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()
                        
                        self.currStep += 1
                        self.updateValues()
                        
@@ -159,61 +195,90 @@ class WelcomeWizard(Screen, HelpableScreen):
                print "right"
 
        def up(self):
                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):
                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)
                        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"
                
                print "down"
                
+       def runCode(self, code):
+               if code != "":
+                       print "code", code
+                       exec(code)
+               
        def updateValues(self):
                print "Updating values in step " + str(self.currStep)
        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)
+       
+                       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:
                                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()
 
 
-
-def listActiveWizards():
-       wizards = [ ]
-
-       if config.misc.firstrun.value:
-               wizards.append(WelcomeWizard)
+class WizardManager:
+       def __init__(self):
+               self.wizards = []
        
        
-       return 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()