going back in the wizard should work better now
[enigma2.git] / lib / python / Screens / Wizard.py
index 38235b1264f07a2d92b2b2894830bf3fb5757220..ca5181921494af5afb46a9aa0c3e4a25d49cc422 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 +47,73 @@ 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()
+               
+               if self.showStepSlider:
+                       self["stepslider"] = Slider(1, self.numSteps)
                
                
-               self.list = []
-               self["list"] = MenuList(self.list)
+               if self.showList:
+                       self.list = []
+                       self["list"] = MenuList(self.list)
 
                self.onShown.append(self.updateValues)
                
                self["actions"] = NumberActionMap(["WizardActions", "NumberActions"],
                {
                        "ok": self.ok,
 
                self.onShown.append(self.updateValues)
                
                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,
@@ -111,32 +129,52 @@ 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):
        def ok(self):
-               if (self.wizard[self.currStep]["config"]["screen"] != None):
-                       self.configInstance.run()
+               print "OK"
+               currStep = self.currStep
+               if self.showConfig:
+                       if (self.wizard[currStep]["config"]["screen"] != None):
+                               try: # don't die, if no run() is available
+                                       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()
+               if (currStep == self.numSteps): # wizard finished
+                       self.markDone()
                        self.session.close()
                else:
                        self.session.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()
                        self.currStep += 1
                        self.updateValues()
+                       
+               print "Now: " + str(self.currStep)
 
        def keyNumberGlobal(self, number):
                if (self.wizard[self.currStep]["config"]["screen"] != None):
 
        def keyNumberGlobal(self, number):
                if (self.wizard[self.currStep]["config"]["screen"] != None):
@@ -153,59 +191,84 @@ class WelcomeWizard(Screen, HelpableScreen):
                print "right"
 
        def up(self):
                print "right"
 
        def up(self):
-               if (self.wizard[self.currStep]["config"]["screen"] != None):
-                       self[self.currConfig].instance.moveSelection(self[self.currConfig].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):
-                       self[self.currConfig].instance.moveSelection(self[self.currConfig].instance.moveDown)
-               elif (len(self.wizard[self.currStep]["list"]) > 0):
-                       self["list"].instance.moveSelection(self["config"].instance.moveDown)
+               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"
                
                print "down"
                
+       def runCode(self, code):
+               if code != "":
+                       print "code", code
+                       exec(code)
+               
        def updateValues(self):
        def updateValues(self):
-               self["step"].setText(_("Step ") + str(self.currStep) + "/" + str(self.numSteps))
-               self["stepslider"].setValue(self.currStep)
-
-               self["text"].setText(self.wizard[self.currStep]["text"])
+               print "Updating values in step " + str(self.currStep)
                
                
-               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"] == "ConfigList":
-                               self.currConfig = "config"
-                       elif self.wizard[self.currStep]["config"]["type"] == "MenuList":
-                               self.currConfig = "list"
-
-                       self[self.currConfig].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"])
-                       else:
-                               self.configInstance = self.session.instantiateDialog(self.wizard[self.currStep]["config"]["screen"], eval(self.wizard[self.currStep]["config"]["args"]))
-                       self[self.currConfig].l.setList(self.configInstance[self.currConfig].list)
-                       self.configInstance[self.currConfig] = self[self.currConfig]
-               else:
-                       self["config"].l.setList([])
-
-               if self.wizard[self.currStep]["code"] != "":
-                       print self.wizard[self.currStep]["code"]
-                       exec(self.wizard[self.currStep]["code"])
-
-def listActiveWizards():
-       wizards = [ ]
+               self.stepHistory.append(self.currStep)
+               
+               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"] = self["config"]
+                               else:
+                                       self["config"].l.setList([])
+               else: # condition false
+                               self.currStep += 1
+                               self.updateValues()
 
 
-       if config.misc.firstrun.value:
-               wizards.append(WelcomeWizard)
+class WizardManager:
+       def __init__(self):
+               self.wizards = []
+       
+       def registerWizard(self, wizard, precondition):
+               self.wizards.append((wizard, precondition))
        
        
-       return wizards
+       def getWizards(self):
+               list = []
+               for x in self.wizards:
+                       if x[1] == 1: # precondition
+                               list.append(x[0])
+               return list
+
+wizardManager = WizardManager()