Wizard.py: async fixes
[enigma2.git] / lib / python / Screens / Wizard.py
index 9c9cbd30e97b8986b80a4878c07447e29ab04593..23d6253aff29b0696d7cc9debdab9829a4eb66bb 100644 (file)
@@ -3,7 +3,7 @@ from Screen import Screen
 import string
 
 from Screens.HelpMenu import HelpableScreen
-from Components.config import config, KEY_LEFT, KEY_RIGHT
+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
@@ -45,7 +45,7 @@ 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
@@ -84,7 +84,7 @@ class Wizard(Screen, HelpableScreen):
                                        timeoutstep = str(attrs.get('timeoutstep'))
                                else:
                                        timeoutstep = ''
-                               self.wizard[self.lastStep] = {"id": id, "condition": "", "text": "", "timeout": timeout, "timeoutaction": timeoutaction, "timeoutstep": timeoutstep, "list": [], "config": {"screen": None, "args": None, "type": "" }, "code": "", "codeafter": "", "nextstep": nextstep}
+                               self.wizard[self.lastStep] = {"id": id, "condition": "", "text": "", "timeout": timeout, "timeoutaction": timeoutaction, "timeoutstep": timeoutstep, "list": [], "config": {"screen": None, "args": None, "type": "" }, "code": "", "codeafter": "", "code_async": "", "codeafter_async": "", "nextstep": nextstep}
                        elif (name == "text"):
                                self.wizard[self.lastStep]["text"] = string.replace(str(attrs.get('value')), "\\n", "\n")
                        elif (name == "displaytext"):
@@ -105,7 +105,10 @@ class Wizard(Screen, HelpableScreen):
                                type = str(attrs.get('type'))
                                self.wizard[self.lastStep]["config"]["type"] = type
                                if type == "ConfigList" or type == "standalone":
-                                       exec "from Screens." + str(attrs.get('module')) + " import *"
+                                       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')):
@@ -116,6 +119,7 @@ class Wizard(Screen, HelpableScreen):
                                        if (attrs.has_key('evaluation')):
                                                self.wizard[self.lastStep]["config"]["evaluation"] = str(attrs.get('evaluation'))
                        elif (name == "code"):
+                               self.async_code = attrs.has_key('async') and str(attrs.get('async')) == "yes"
                                if attrs.has_key('pos') and str(attrs.get('pos')) == "after":
                                        self.codeafter = True
                                else:
@@ -126,10 +130,16 @@ class Wizard(Screen, HelpableScreen):
                def endElement(self, name):
                        self.currContent = ""
                        if name == 'code':
-                               if self.codeafter:
-                                       self.wizard[self.lastStep]["codeafter"] = self.wizard[self.lastStep]["codeafter"].strip()
+                               if self.async_code:
+                                       if self.codeafter:
+                                               self.wizard[self.lastStep]["codeafter_async"] = self.wizard[self.lastStep]["codeafter_async"].strip()
+                                       else:
+                                               self.wizard[self.lastStep]["code_async"] = self.wizard[self.lastStep]["code_async"].strip()
                                else:
-                                       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()
                        elif name == 'step':
@@ -138,16 +148,21 @@ class Wizard(Screen, HelpableScreen):
                                                                
                def characters(self, ch):
                        if self.currContent == "code":
-                               if self.codeafter:
-                                       self.wizard[self.lastStep]["codeafter"] = self.wizard[self.lastStep]["codeafter"] + ch
+                               if self.async_code:
+                                       if self.codeafter:
+                                               self.wizard[self.lastStep]["codeafter_async"] = self.wizard[self.lastStep]["codeafter_async"] + ch
+                                       else:
+                                               self.wizard[self.lastStep]["code_async"] = self.wizard[self.lastStep]["code_async"] + ch
                                else:
-                                       self.wizard[self.lastStep]["code"] = self.wizard[self.lastStep]["code"] + ch
+                                       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 = []
 
@@ -178,7 +193,7 @@ class Wizard(Screen, HelpableScreen):
                self["text"] = Label()
 
                if showConfig:
-                       self["config"] = ConfigList([])
+                       self["config"] = ConfigList([], session = session)
 
                if self.showSteps:
                        self["step"] = Label()
@@ -200,7 +215,7 @@ class Wizard(Screen, HelpableScreen):
                
                self.disableKeys = False
                
-               self["actions"] = NumberActionMap(["WizardActions", "NumberActions", "ColorActions"],
+               self["actions"] = NumberActionMap(["WizardActions", "NumberActions", "ColorActions", "SetupActions"],
                {
                        "ok": self.ok,
                        "back": self.back,
@@ -212,6 +227,8 @@ class Wizard(Screen, HelpableScreen):
                        "green": self.green,
                        "yellow": self.yellow,
                        "blue":self.blue,
+                       "deleteBackward": self.deleteBackward,
+                       "deleteForward": self.deleteForward,
                        "1": self.keyNumberGlobal,
                        "2": self.keyNumberGlobal,
                        "3": self.keyNumberGlobal,
@@ -240,6 +257,22 @@ class Wizard(Screen, HelpableScreen):
                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)
 
@@ -282,7 +315,7 @@ class Wizard(Screen, HelpableScreen):
                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):
                                print "current:", self["list"].current
@@ -292,21 +325,24 @@ class Wizard(Screen, HelpableScreen):
                                else:
                                        self.currStep = self.getStepWithID(nextStep)
 
+               print_now = True
                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:
+                       self.codeafter = True
                        self.runCode(self.wizard[currStep]["codeafter"])
-                       if self.wizard[currStep]["nextstep"] is not None:
-                               self.currStep = self.getStepWithID(self.wizard[currStep]["nextstep"])
-                       if gotoStep is not None:
-                               self.currStep = self.getStepWithID(gotoStep)
-                       self.currStep += 1
-                       self.updateValues()
-
-               print "Now: " + str(self.currStep)
+                       self.prevStep = currStep
+                       self.gotoStep = gotoStep
+                       if not self.runCode(self.wizard[currStep]["codeafter_async"]):
+                               self.afterAsyncCode()
+                       else:
+                               if self.updateValues in self.onShown:
+                                       self.onShown.remove(self.updateValues)
 
+               if print_now:
+                       print "Now: " + str(self.currStep)
 
        def ok(self):
                print "OK"
@@ -321,7 +357,8 @@ class Wizard(Screen, HelpableScreen):
                                # for this. If there is one, please do a more specific check
                                # and/or a comment in which situation there is no run()
                                if callable(getattr(self.configInstance, "runAsync", None)):
-                                       self.onShown.remove(self.updateValues)
+                                       if self.updateValues in self.onShown:
+                                               self.onShown.remove(self.updateValues)
                                        self.configInstance.runAsync(self.finished)
                                        return
                                else:
@@ -351,7 +388,7 @@ class Wizard(Screen, HelpableScreen):
        def up(self):
                self.resetCounter()
                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)
+                       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"):
@@ -381,7 +418,7 @@ 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]
@@ -395,9 +432,14 @@ class Wizard(Screen, HelpableScreen):
                if code != "":
                        print "code", code
                        exec(code)
+                       return True
+               return False
+
+       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)
@@ -417,19 +459,24 @@ class Wizard(Screen, HelpableScreen):
                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
-               
+
                self.condition = True
                exec (self.wizard[self.currStep]["condition"])
-               if self.condition:
+               if not self.condition:
+                       self.currStep += 1
+                       self.updateValues()
+               else:
                        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)
                
@@ -437,7 +484,7 @@ 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"]
@@ -445,8 +492,27 @@ class Wizard(Screen, HelpableScreen):
                                for x in self.lcdCallbacks:
                                        x(displaytext)
                                
+                       self.codeafter=False
                        self.runCode(self.wizard[self.currStep]["code"])
-                       
+                       if self.runCode(self.wizard[self.currStep]["code_async"]):
+                               if self.updateValues in self.onShown:
+                                       self.onShown.remove(self.updateValues)
+                       else:
+                               self.afterAsyncCode()
+
+       def afterAsyncCode(self):
+               if not self.updateValues in self.onShown:
+                       self.onShown.append(self.updateValues)
+
+               if self.codeafter:
+                       if self.wizard[self.prevStep]["nextstep"] is not None:
+                               self.currStep = self.getStepWithID(self.wizard[self.prevStep]["nextstep"])
+                       if self.gotoStep is not None:
+                               self.currStep = self.getStepWithID(self.gotoStep)
+                       self.currStep += 1
+                       self.updateValues()
+                       print "Now: " + str(self.currStep)
+               else:
                        if self.showList:
                                print "showing list,", self.currStep
                                for renderer in self.renderer:
@@ -457,7 +523,7 @@ class Wizard(Screen, HelpableScreen):
                                                        print "setZPosition"
                                                        rootrenderer.instance.setZPosition(1)
                                                renderer = renderer.source
-                                               
+
                                #self["list"].instance.setZPosition(1)
                                self.list = []
                                if (self.wizard[self.currStep].has_key("dynamiclist")):
@@ -471,7 +537,7 @@ 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
@@ -497,17 +563,18 @@ class Wizard(Screen, HelpableScreen):
                                                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)
+                                               callbacks = self.configInstance["config"].onSelectionChanged
                                                self.configInstance["config"].destroy()
+                                               print "clearConfigList", self.configInstance["config"], self["config"]
                                                self.configInstance["config"] = self["config"]
+                                               self.configInstance["config"].onSelectionChanged = callbacks
+                                               print "clearConfigList", self.configInstance["config"], self["config"]
                                else:
                                        self["config"].l.setList([])
                        else:
                                if self.has_key("config"):
                                        self["config"].hide()
-               else: # condition false
-                               self.currStep += 1
-                               self.updateValues()
-                               
+
        def timeoutCounterFired(self):
                self.timeoutCounter -= 1
                print "timeoutCounter:", self.timeoutCounter