remove onSelectionChanged callbacks before deleting the configInstance["config"]...
[enigma2.git] / lib / python / Screens / Wizard.py
index e574f86..9f87ee3 100644 (file)
@@ -3,7 +3,7 @@ from Screen import Screen
 import string
 
 from Screens.HelpMenu import HelpableScreen
-from Components.config import config
+from Components.config import config, KEY_LEFT, KEY_RIGHT, KEY_DELETE, KEY_BACKSPACE
 from Components.Label import Label
 from Components.Slider import Slider
 from Components.ActionMap import NumberActionMap
@@ -45,21 +45,20 @@ class WizardSummary(Screen):
        def setText(self, text):
                self["text"].setText(text)
 
-class Wizard(Screen, HelpableScreen):
+class Wizard(Screen):
+       def createSummary(self):
+                       print "WizardCreateSummary"
+                       return WizardSummary
 
        class parseWizard(ContentHandler):
                def __init__(self, wizard):
                        self.isPointsElement, self.isReboundsElement = 0, 0
                        self.wizard = wizard
                        self.currContent = ""
-                       self.lastStep = 0
-                       
-               def createSummary(self):
-                       print "WizardCreateSummary"
-                       return WizardSummary
-               
+                       self.lastStep = 0       
+
                def startElement(self, name, attrs):
-                       print "startElement", name
+                       #print "startElement", name
                        self.currContent = name
                        if (name == "step"):
                                self.lastStep += 1
@@ -67,7 +66,7 @@ class Wizard(Screen, HelpableScreen):
                                        id = str(attrs.get('id'))
                                else:
                                        id = ""
-                               print "id:", id
+                               #print "id:", id
                                if attrs.has_key('nextstep'):
                                        nextstep = str(attrs.get('nextstep'))
                                else:
@@ -96,19 +95,29 @@ class Wizard(Screen, HelpableScreen):
                                                self.wizard[self.lastStep]["dynamiclist"] = attrs.get("source")
                                        #self.wizard[self.lastStep]["list"].append(("Hallo", "test"))
                                if (attrs.has_key("evaluation")):
-                                       print "evaluation"
+                                       #print "evaluation"
                                        self.wizard[self.lastStep]["listevaluation"] = attrs.get("evaluation")
                                if (attrs.has_key("onselect")):
                                        self.wizard[self.lastStep]["onselect"] = attrs.get("onselect")                  
                        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'))
+                               type = str(attrs.get('type'))
+                               self.wizard[self.lastStep]["config"]["type"] = type
+                               if type == "ConfigList" or type == "standalone":
+                                       try:
+                                               exec "from Screens." + str(attrs.get('module')) + " import *"
+                                       except:
+                                               exec "from " + 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'))
+                               elif type == "dynamic":
+                                       self.wizard[self.lastStep]["config"]["source"] = str(attrs.get('source'))
+                                       if (attrs.has_key('evaluation')):
+                                               self.wizard[self.lastStep]["config"]["evaluation"] = str(attrs.get('evaluation'))
                        elif (name == "code"):
                                if attrs.has_key('pos') and str(attrs.get('pos')) == "after":
                                        self.codeafter = True
@@ -116,6 +125,7 @@ class Wizard(Screen, HelpableScreen):
                                        self.codeafter = False
                        elif (name == "condition"):
                                pass
+                       
                def endElement(self, name):
                        self.currContent = ""
                        if name == 'code':
@@ -126,7 +136,8 @@ class Wizard(Screen, HelpableScreen):
                        elif name == 'condition':
                                self.wizard[self.lastStep]["condition"] = self.wizard[self.lastStep]["condition"].strip()
                        elif name == 'step':
-                               print "Step number", self.lastStep, ":", self.wizard[self.lastStep]
+                               #print "Step number", self.lastStep, ":", self.wizard[self.lastStep]
+                               pass
                                                                
                def characters(self, ch):
                        if self.currContent == "code":
@@ -139,19 +150,21 @@ class Wizard(Screen, HelpableScreen):
 
        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
+               if not isinstance(self.xmlfile, list):
+                       self.xmlfile = [self.xmlfile]
+               print "Reading ", self.xmlfile
                wizardHandler = self.parseWizard(self.wizard)
                parser.setContentHandler(wizardHandler)
-               if self.xmlfile[0] != '/':
-                       parser.parse('/usr/share/enigma2/' + self.xmlfile)
-               else:
-                       parser.parse(self.xmlfile)
+               for xmlfile in self.xmlfile:
+                       if xmlfile[0] != '/':
+                               parser.parse('/usr/share/enigma2/' + xmlfile)
+                       else:
+                               parser.parse(xmlfile)
 
                self.showSteps = showSteps
                self.showStepSlider = showStepSlider
@@ -159,15 +172,15 @@ class Wizard(Screen, HelpableScreen):
                self.showConfig = showConfig
 
                self.numSteps = len(self.wizard)
-               self.currStep = 1
+               self.currStep = self.getStepWithID("start") + 1
                
                self.timeoutTimer = eTimer()
-               self.timeoutTimer.timeout.get().append(self.timeoutCounterFired)
+               self.timeoutTimer.callback.append(self.timeoutCounterFired)
 
                self["text"] = Label()
 
                if showConfig:
-                       self["config"] = ConfigList([])
+                       self["config"] = ConfigList([], session = session)
 
                if self.showSteps:
                        self["step"] = Label()
@@ -187,7 +200,9 @@ class Wizard(Screen, HelpableScreen):
                
                self.lcdCallbacks = []
                
-               self["actions"] = NumberActionMap(["WizardActions", "NumberActions"],
+               self.disableKeys = False
+               
+               self["actions"] = NumberActionMap(["WizardActions", "NumberActions", "ColorActions", "SetupActions"],
                {
                        "ok": self.ok,
                        "back": self.back,
@@ -195,6 +210,12 @@ class Wizard(Screen, HelpableScreen):
                        "right": self.right,
                        "up": self.up,
                        "down": self.down,
+                       "red": self.red,
+                       "green": self.green,
+                       "yellow": self.yellow,
+                       "blue":self.blue,
+                       "deleteBackward": self.deleteBackward,
+                       "deleteForward": self.deleteForward,
                        "1": self.keyNumberGlobal,
                        "2": self.keyNumberGlobal,
                        "3": self.keyNumberGlobal,
@@ -206,17 +227,56 @@ class Wizard(Screen, HelpableScreen):
                        "9": self.keyNumberGlobal,
                        "0": self.keyNumberGlobal
                }, -1)
+               
+       def red(self):
+               print "red"
+               pass
 
+       def green(self):
+               print "green"
+               pass
+       
+       def yellow(self):
+               print "yellow"
+               pass
+       
+       def blue(self):
+               print "blue"
+               pass
+       
+       def deleteForward(self):
+               self.resetCounter()
+               if (self.wizard[self.currStep]["config"]["screen"] != None):
+                       self.configInstance.keyDelete()
+               elif (self.wizard[self.currStep]["config"]["type"] == "dynamic"):
+                       self["config"].handleKey(KEY_DELETE)
+               print "deleteForward"
+
+       def deleteBackward(self):
+               self.resetCounter()
+               if (self.wizard[self.currStep]["config"]["screen"] != None):
+                       self.configInstance.keyBackspace()
+               elif (self.wizard[self.currStep]["config"]["type"] == "dynamic"):
+                       self["config"].handleKey(KEY_BACKSPACE)
+               print "deleteBackward"
+       
        def setLCDTextCallback(self, callback):
                self.lcdCallbacks.append(callback)
 
        def back(self):
+               if self.disableKeys:
+                       return
+               print "getting back..."
+               print "stepHistory:", self.stepHistory
                if len(self.stepHistory) > 1:
                        self.currStep = self.stepHistory[-2]
                        self.stepHistory = self.stepHistory[:-2]
                if self.currStep < 1:
                        self.currStep = 1
+               print "currStep:", self.currStep
+               print "new stepHistory:", self.stepHistory
                self.updateValues()
+               print "after updateValues stepHistory:", self.stepHistory
                
        def markDone(self):
                pass
@@ -224,7 +284,7 @@ class Wizard(Screen, HelpableScreen):
        def getStepWithID(self, id):
                print "getStepWithID:", id
                count = 0
-               for x in self.wizard:
+               for x in self.wizard.keys():
                        if self.wizard[x]["id"] == id:
                                print "result:", count
                                return count
@@ -238,6 +298,10 @@ class Wizard(Screen, HelpableScreen):
 
                if self.updateValues not in self.onShown:
                        self.onShown.append(self.updateValues)
+                       
+               if self.showConfig:
+                       if self.wizard[currStep]["config"]["type"] == "dynamic":
+                               eval("self." + self.wizard[currStep]["config"]["evaluation"])()
 
                if self.showList:
                        if (len(self.wizard[currStep]["evaluatedlist"]) > 0):
@@ -248,7 +312,8 @@ class Wizard(Screen, HelpableScreen):
                                else:
                                        self.currStep = self.getStepWithID(nextStep)
 
-               if (currStep == self.numSteps): # wizard finished
+               if ((currStep == self.numSteps and self.wizard[currStep]["nextstep"] is None) or self.wizard[currStep]["id"] == "end"): # wizard finished
+                       print "wizard finished"
                        self.markDone()
                        self.close()
                else:
@@ -265,6 +330,8 @@ class Wizard(Screen, HelpableScreen):
 
        def ok(self):
                print "OK"
+               if self.disableKeys:
+                       return
                currStep = self.currStep
                
                if self.showConfig:
@@ -289,30 +356,34 @@ class Wizard(Screen, HelpableScreen):
                self.resetCounter()
                if (self.wizard[self.currStep]["config"]["screen"] != None):
                        self.configInstance.keyLeft()
+               elif (self.wizard[self.currStep]["config"]["type"] == "dynamic"):
+                       self["config"].handleKey(KEY_LEFT)
                print "left"
        
        def right(self):
                self.resetCounter()
                if (self.wizard[self.currStep]["config"]["screen"] != None):
                        self.configInstance.keyRight()
+               elif (self.wizard[self.currStep]["config"]["type"] == "dynamic"):
+                       self["config"].handleKey(KEY_RIGHT)     
                print "right"
 
        def up(self):
                self.resetCounter()
-               if (self.showConfig and self.wizard[self.currStep]["config"]["screen"] != None):
+               if (self.showConfig and self.wizard[self.currStep]["config"]["screen"] != None  or self.wizard[self.currStep]["config"]["type"] == "dynamic"):
                                self["config"].instance.moveSelection(self["config"].instance.moveUp)
                elif (self.showList and len(self.wizard[self.currStep]["evaluatedlist"]) > 0):
                        self["list"].selectPrevious()
                        if self.wizard[self.currStep].has_key("onselect"):
                                print "current:", self["list"].current
-                               self.selection = self["list"].current[1]
+                               self.selection = self["list"].current[-1]
                                #self.selection = self.wizard[self.currStep]["evaluatedlist"][self["list"].l.getCurrentSelectionIndex()][1]
                                exec("self." + self.wizard[self.currStep]["onselect"] + "()")
                print "up"
                
        def down(self):
                self.resetCounter()
-               if (self.showConfig and self.wizard[self.currStep]["config"]["screen"] != None):
+               if (self.showConfig and self.wizard[self.currStep]["config"]["screen"] != None  or self.wizard[self.currStep]["config"]["type"] == "dynamic"):
                        self["config"].instance.moveSelection(self["config"].instance.moveDown)
                elif (self.showList and len(self.wizard[self.currStep]["evaluatedlist"]) > 0):
                        #self["list"].instance.moveSelection(self["list"].instance.moveDown)
@@ -321,7 +392,7 @@ class Wizard(Screen, HelpableScreen):
                                print "current:", self["list"].current
                                #self.selection = self.wizard[self.currStep]["evaluatedlist"][self["list"].l.getCurrentSelectionIndex()][1]
                                #exec("self." + self.wizard[self.currStep]["onselect"] + "()")
-                               self.selection = self["list"].current[1]
+                               self.selection = self["list"].current[-1]
                                #self.selection = self.wizard[self.currStep]["evaluatedlist"][self["list"].l.getCurrentSelectionIndex()][1]
                                exec("self." + self.wizard[self.currStep]["onselect"] + "()")
                print "down"
@@ -330,10 +401,10 @@ class Wizard(Screen, HelpableScreen):
                self.resetCounter()
                
                if (self.showConfig and self.wizard[self.currStep]["config"]["screen"] != None):
-                               self["config"].instance.moveSelection(self["config"].instance.moveUp)
+                       self["config"].instance.moveSelection(self["config"].instance.moveUp)
                elif (self.showList and len(self.wizard[self.currStep]["evaluatedlist"]) > 0):
                        if self.wizard[self.currStep].has_key("onselect"):
-                               self.selection = self["list"].current[1]
+                               self.selection = self["list"].current[-1]
                                print "self.selection:", self.selection
                                exec("self." + self.wizard[self.currStep]["onselect"] + "()")
                
@@ -345,8 +416,11 @@ class Wizard(Screen, HelpableScreen):
                        print "code", code
                        exec(code)
                        
+       def getTranslation(self, text):
+               return _(text)
+                       
        def updateText(self, firstset = False):
-               text = _(self.wizard[self.currStep]["text"])
+               text = self.getTranslation(self.wizard[self.currStep]["text"])
                if text.find("[timeout]") != -1:
                        text = text.replace("[timeout]", str(self.timeoutCounter))
                        self["text"].setText(text)
@@ -356,9 +430,18 @@ class Wizard(Screen, HelpableScreen):
                
        def updateValues(self):
                print "Updating values in step " + str(self.currStep)
+               # calling a step which doesn't exist can only happen if the condition in the last step is not fulfilled
+               # if a non-existing step is called, end the wizard 
+               if self.currStep > len(self.wizard):
+                       self.markDone()
+                       self.close()
+                       return
+
                self.timeoutTimer.stop()
                
                if self.configInstance is not None:
+                       # remove callbacks
+                       self.configInstance["config"].onSelectionChanged = []
                        del self.configInstance["config"]
                        self.configInstance.doClose()
                        self.configInstance = None
@@ -366,11 +449,12 @@ class Wizard(Screen, HelpableScreen):
                self.condition = True
                exec (self.wizard[self.currStep]["condition"])
                if self.condition:
-                       self.stepHistory.append(self.currStep)
+                       if len(self.stepHistory) == 0 or self.stepHistory[-1] != self.currStep:
+                               self.stepHistory.append(self.currStep)
                        print "wizard step:", self.wizard[self.currStep]
                        
                        if self.showSteps:
-                               self["step"].setText(_("Step ") + str(self.currStep) + "/" + str(self.numSteps))
+                               self["step"].setText(self.getTranslation("Step ") + str(self.currStep) + "/" + str(self.numSteps))
                        if self.showStepSlider:
                                self["stepslider"].setValue(self.currStep)
                
@@ -378,7 +462,7 @@ class Wizard(Screen, HelpableScreen):
                                self.resetCounter() 
                                self.timeoutTimer.start(1000)
                        
-                       print "wizard text", _(self.wizard[self.currStep]["text"])
+                       print "wizard text", self.getTranslation(self.wizard[self.currStep]["text"])
                        self.updateText(firstset = True)
                        if self.wizard[self.currStep].has_key("displaytext"):
                                displaytext = self.wizard[self.currStep]["displaytext"]
@@ -412,7 +496,7 @@ class Wizard(Screen, HelpableScreen):
                                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]), x[1]))
+                                               self.list.append((self.getTranslation(x[0]), x[1]))
                                self.wizard[self.currStep]["evaluatedlist"] = self.list
                                self["list"].list = self.list
                                self["list"].index = 0
@@ -420,8 +504,13 @@ class Wizard(Screen, HelpableScreen):
                                self["list"].hide()
        
                        if self.showConfig:
+                               print "showing config"
                                self["config"].instance.setZPosition(1)
-                               if (self.wizard[self.currStep]["config"]["screen"] != None):
+                               if self.wizard[self.currStep]["config"]["type"] == "dynamic":
+                                               print "config type is dynamic"
+                                               self["config"].instance.setZPosition(2)
+                                               self["config"].l.setList(eval("self." + self.wizard[self.currStep]["config"]["source"])())
+                               elif (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"])
@@ -434,11 +523,14 @@ class Wizard(Screen, HelpableScreen):
                                                        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()
+                                               print "clearConfigList", self.configInstance["config"], self["config"] 
                                                self.configInstance["config"] = self["config"]
+                                               print "clearConfigList", self.configInstance["config"], self["config"]
                                else:
                                        self["config"].l.setList([])
                        else:
-                               self["config"].hide()
+                               if self.has_key("config"):
+                                       self["config"].hide()
                else: # condition false
                                self.currStep += 1
                                self.updateValues()
@@ -459,14 +551,14 @@ class WizardManager:
        def __init__(self):
                self.wizards = []
        
-       def registerWizard(self, wizard, precondition):
-               self.wizards.append((wizard, precondition))
+       def registerWizard(self, wizard, precondition, priority = 0):
+               self.wizards.append((wizard, precondition, priority))
        
        def getWizards(self):
                list = []
                for x in self.wizards:
                        if x[1] == 1: # precondition
-                               list.append(x[0])
+                               list.append((x[2], x[0]))
                return list
 
 wizardManager = WizardManager()