Wizard.py: add handling for async code
[enigma2.git] / lib / python / Screens / Wizard.py
index cee057d..53600df 100644 (file)
@@ -84,7 +84,7 @@ class Wizard(Screen):
                                        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"):
@@ -119,6 +119,7 @@ class Wizard(Screen):
                                        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:
@@ -129,10 +130,16 @@ class Wizard(Screen):
                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':
@@ -141,13 +148,19 @@ class Wizard(Screen):
                                                                
                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)
 
@@ -298,7 +311,7 @@ class Wizard(Screen):
 
                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"])()
@@ -317,16 +330,20 @@ class Wizard(Screen):
                        self.markDone()
                        self.close()
                else:
+                       self.codeafter=True
                        self.runCode(self.wizard[currStep]["codeafter"])
+                       async = self.runCode(self.wizard[currStep]["codeafter_async"])
                        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)
-
+                       if not async:
+                               self.currStep += 1
+                               self.updateValues()
+                               print "Now: " + str(self.currStep)
+                       else:
+                               self.onShown.remove(self.updateValues)
+                               print "Now: " + str(self.currStep+1), "(after async code finished)"
 
        def ok(self):
                print "OK"
@@ -371,7 +388,7 @@ class Wizard(Screen):
        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"):
@@ -415,7 +432,9 @@ class Wizard(Screen):
                if code != "":
                        print "code", code
                        exec(code)
-                       
+                       return True
+               return False
+
        def getTranslation(self, text):
                return _(text)
                        
@@ -470,8 +489,24 @@ class Wizard(Screen):
                                for x in self.lcdCallbacks:
                                        x(displaytext)
                                
+                       self.codeafter=False
                        self.runCode(self.wizard[self.currStep]["code"])
-                       
+                       self.async = self.runCode(self.wizard[self.currStep]["code_async"])
+                       if self.async:
+                               self.onShown.remove(self.updateValues)
+                       else:
+                               self.afterAsyncCode()
+               else:
+                       self.currStep += 1
+                       self.updateValues()
+
+       def afterAsyncCode(self):
+               if self.updateValues not in self.onShown:
+                       self.onShown.append(self.updateValues)
+               if self.codeafter:
+                       self.currStep += 1
+                       self.updateValues()
+               else:
                        if self.showList:
                                print "showing list,", self.currStep
                                for renderer in self.renderer:
@@ -482,7 +517,7 @@ class Wizard(Screen):
                                                        print "setZPosition"
                                                        rootrenderer.instance.setZPosition(1)
                                                renderer = renderer.source
-                                               
+
                                #self["list"].instance.setZPosition(1)
                                self.list = []
                                if (self.wizard[self.currStep].has_key("dynamiclist")):
@@ -524,7 +559,7 @@ class Wizard(Screen):
                                                self["config"].l.setList(self.configInstance["config"].list)
                                                callbacks = self.configInstance["config"].onSelectionChanged
                                                self.configInstance["config"].destroy()
-                                               print "clearConfigList", self.configInstance["config"], self["config"] 
+                                               print "clearConfigList", self.configInstance["config"], self["config"]
                                                self.configInstance["config"] = self["config"]
                                                self.configInstance["config"].onSelectionChanged = callbacks
                                                print "clearConfigList", self.configInstance["config"], self["config"]
@@ -533,10 +568,7 @@ class Wizard(Screen):
                        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