fix movielist selection when there is no (selected) item

[enigma2.git] / lib / python / Screens / Wizard.py

diff --git a/lib/python/Screens/Wizard.py b/lib/python/Screens/Wizard.py
index e04b21608dbe999ded6af0d2853b7134ae915a31..ca5181921494af5afb46a9aa0c3e4a25d49cc422 100644 (file)
--- a/lib/python/Screens/Wizard.py
+++ b/lib/python/Screens/Wizard.py
@@ -1,101 +1,274 @@
 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 Screens.HelpMenu import HelpableScreen
 from Components.Label import Label
 from Components.Slider import Slider

-from Components.ActionMap import HelpableActionMap
-from Components.config import config, configElementBoolean
+from Components.ActionMap import HelpableActionMap, NumberActionMap

 from Components.Pixmap import *
 from Components.MenuList import MenuList
 from Components.Pixmap import *
 from Components.MenuList import MenuList

+from Components.ConfigList import ConfigList

 
 

-config.misc.firstrun = configElementBoolean("config.misc.firstrun", 1);
+from xml.sax import make_parser
+from xml.sax.handler import ContentHandler

 
 

-class WelcomeWizard(Screen, HelpableScreen):
+class Wizard(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" size="440,200" />
-                       <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="500,50" size="154,475" transparent="1" alphatest="on"/>
-                       <widget name="arrowdown" pixmap="/usr/share/enigma2/arrowdown.png" position="0,0" zPosition="1" size="37,70" transparent="1" alphatest="on"/>
-                       <widget name="arrowup" pixmap="/usr/share/enigma2/arrowup.png" position="-100,-100" zPosition="1" size="37,70" transparent="1" alphatest="on"/>
-               </screen>"""
+       class parseWizard(ContentHandler):
+               def __init__(self, wizard):
+                       self.isPointsElement, self.isReboundsElement = 0, 0
+                       self.wizard = wizard
+                       self.currContent = ""
+                       self.lastStep = 0

                
                

-       text = [_("Hello User.\n\nThis start-wizard will guide you through the basic setup of your Dreambox.\n\nPress the OK button on your remote control to move to the next step."), 
-                       _("You can use the Up and Down buttons on your remote control to select your choice.\n\nWhat do you want to do?"),
-                       _("Blub")]
-                       
-       listEntries = [[],
-                                   ["Use wizard to set up basic features", "Exit wizard"],
-                                       []]
-
-       def __init__(self, session):
-               self.skin = WelcomeWizard.skin
-               self.numSteps = 3
-               self.currStep = 1
-
+               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)
 
                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["text"] = Label()

-               self["rc"] = Pixmap()
-               self["arrowdown"] = MovingPixmap()
-               self["arrowdown"].moveTo(557, 232, 100)
-               self["arrowup"] = MovingPixmap()
-               
-               self.onShown.append(self["arrowdown"].startMoving)

 
 

-               self["step"] = Label()
-                               
-               self["stepslider"] = Slider(1, self.numSteps)
+               if showConfig:
+                       self["config"] = ConfigList([])
+
+               if self.showSteps:
+                       self["step"] = Label()
+               
+               if self.showStepSlider:
+                       self["stepslider"] = Slider(1, self.numSteps)

                
                

-               self.list = []
-               #list.append(("Use wizard to set up basic features", None))
-               #list.append(("Exit wizard", None))
-               self["list"] = MenuList(self.list)
+               if self.showList:
+                       self.list = []
+                       self["list"] = MenuList(self.list)

 
 

-               self.updateValues()
+               self.onShown.append(self.updateValues)

                
                

-               self["actions"] = HelpableActionMap(self, "OkCancelActions",
-                       {
-                               "ok": (self.ok, _("Close this Screen...")),
-                       })
+               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 updateValues(self):
-               self["text"].setText(self.text[self.currStep - 1])
-               self["step"].setText(_("Step ") + str(self.currStep) + "/" + str(self.numSteps))
-               self["stepslider"].setValue(self.currStep)
-               self.list = []
+       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()

                
                

-               print "Len list: " + str(len(self.listEntries[self.currStep - 1]))
-               if (len(self.listEntries[self.currStep - 1]) > 0):
-                       for x in self.listEntries[self.currStep - 1]:
-                               self.list.append((x, None))
-               self["list"].l.setList(self.list)
+       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.currStep == self.numSteps): # wizard finished
-                       config.misc.firstrun.value = 0;
-                       config.misc.firstrun.save()
+               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 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.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()
                        

-                       if (self.currStep == 2):
-                               self["arrowdown"].moveTo(557, 200, 100)
-                               self["arrowup"].moveTo(557, 355, 100)
-                               self["arrowdown"].startMoving()
-                               self["arrowup"].startMoving()
-                               
-
-def listActiveWizards():
-       wizards = [ ]
-
-       if config.misc.firstrun.value:
-               wizards.append(WelcomeWizard)
+               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"

        
        

-       return wizards
+       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)
+               
+               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()
+
+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()