- self.instance won't be deleted but cleared - fix for VariableText
[enigma2.git] / components.py
index 63e5669..9513516 100644 (file)
@@ -38,6 +38,8 @@ class GUISkin:
                        except:
                                pass
                        
+                       # DIESER KOMMENTAR IST NUTZLOS UND MITTLERWEILE VERALTET! (glaub ich)
+                       # BITTE NICHT LESEN!
                        # note: you'll probably run into this assert. if this happens, don't panic!
                        # yes, it's evil. I told you that programming in python is just fun, and 
                        # suddently, you have to care about things you don't even know.
@@ -86,7 +88,13 @@ class GUIComponent:
 
        def __init__(self):
                pass
+               
+       def execBegin(self):
+               pass
        
+       def execEnd(self):
+               pass
+
 class VariableText:
        """VariableText can be used for components which have a variable text, based on any widget with setText call"""
        
@@ -108,7 +116,7 @@ class VariableText:
        
        def GUIdelete(self):
                self.removeWidget(self.instance)
-               del self.instance
+               self.instance = None
        
        def removeWidget(self, instance):
                pass
@@ -134,7 +142,7 @@ class VariableValue:
        
        def GUIdelete(self):
                self.removeWidget(self.instance)
-               del self.instance
+               self.instance = None
        
        def removeWidget(self, instance):
                pass
@@ -153,7 +161,8 @@ class Clock(HTMLComponent, GUIComponent, VariableText):
 
 # "funktionalitaet"    
        def doClock(self):
-               self.setText("clock: " + time.asctime())
+               t = time.localtime()
+               self.setText("%2d:%02d:%02d" % (t[3], t[4], t[5]))
 
 # realisierung als GUI
        def createWidget(self, parent, skindata):
@@ -264,26 +273,102 @@ class MenuList(HTMLComponent, GUIComponent):
        
        def GUIdelete(self):
                self.instance.setContent(None)
+               self.instance = None
+
+
+#  temp stuff :)
+class configBoolean:
+       def __init__(self, reg):
+               self.reg = reg
+               self.val = 0
+       
+       def toggle(self):
+               self.val += 1
+               self.val %= 3
+       
+       def __str__(self):
+               return ("NO", "YES", "MAYBE")[self.val]
+
+class configValue:
+       def __init__(self, obj):
+               self.obj = obj
+               
+       def __str__(self):
+               return self.obj
+
+def configEntry(obj):
+       # das hier ist ein zugriff auf die registry...
+       if obj == "HKEY_LOCAL_ENIGMA/IMPORTANT/USER_ANNOYING_STUFF/SDTV/FLASHES/GREEN":
+               return ("SDTV green flashes", configBoolean(obj))
+       elif obj == "HKEY_LOCAL_ENIGMA/IMPORTANT/USER_ANNOYING_STUFF/HDTV/FLASHES/GREEN":
+               return ("HDTV reen flashes", configBoolean(obj))
+       else:
+               return ("invalid", "")
+
+class ConfigList(HTMLComponent, GUIComponent):
+       def __init__(self, list):
+               GUIComponent.__init__(self)
+               self.l = eListboxPythonConfigContent()
+               self.l.setList(list)
+               self.l.setSeperation(100)
+       
+       def toggle(self):
+               selection = self.getCurrent()
+               selection[1].toggle()
+               self.invalidateCurrent()
+       
+       def getCurrent(self):
+               return self.l.getCurrentSelection()
+       
+       def invalidateCurrent(self):
+               self.l.invalidateEntry(self.l.getCurrentSelectionIndex())
+       
+       def GUIcreate(self, parent, skindata):
+               self.instance = eListbox(parent)
+               self.instance.setContent(self.l)
+       
+       def GUIdelete(self):
+               self.instance.setContent(None)
+               self.instance = None
 
 class ServiceList(HTMLComponent, GUIComponent):
        def __init__(self):
                GUIComponent.__init__(self)
                self.l = eListboxServiceContent()
-       
+               
        def getCurrent(self):
                r = eServiceReference()
                self.l.getCurrent(r)
                return r
+               
+       def moveUp(self):
+               self.instance.moveSelection(self.instance.moveUp)
+
+       def moveDown(self):
+               self.instance.moveSelection(self.instance.moveDown)
 
        def GUIcreate(self, parent, skindata):
                self.instance = eListbox(parent)
                self.instance.setContent(self.l)
        
        def GUIdelete(self):
-               del self.instance
+               self.instance = None
 
        def setRoot(self, root):
                self.l.setRoot(root)
+               
+               # mark stuff
+       def clearMarked(self):
+               self.l.clearMarked()
+       
+       def isMarked(self, ref):
+               return self.l.isMarked(ref)
+
+       def addMarked(self, ref):
+               self.l.addMarked(ref)
+       
+       def removeMarked(self, ref):
+               self.l.removeMarked(ref)
 
 class ServiceScan:
        
@@ -291,12 +376,25 @@ class ServiceScan:
        Running = 2
        Done = 3
        Error = 4
-               
+       
+       Errors = { 
+               0: "error starting scanning",
+               1: "error while scanning",
+               2: "no resource manager",
+               3: "no channel list"
+               }
+       
        def scanStatusChanged(self):
                if self.state == self.Running:
                        self.progressbar.setValue(self.scan.getProgress())
                        if self.scan.isDone():
-                               self.state = self.Done
+                               errcode = self.scan.getError()
+                               
+                               if errcode == 0:
+                                       self.state = self.Done
+                               else:
+                                       self.state = self.Error
+                                       self.errorcode = errcode
                        else:
                                self.text.setText("scan in progress - %d %% done!\n%d services found!" % (self.scan.getProgress(), self.scan.getNumServices()))
                
@@ -304,22 +402,131 @@ class ServiceScan:
                        self.text.setText("scan done!")
                
                if self.state == self.Error:
-                       self.text.setText("ERROR - failed to scan!")
+                       self.text.setText("ERROR - failed to scan (%s)!" % (self.Errors[self.errorcode]) )
        
        def __init__(self, progressbar, text):
                self.progressbar = progressbar
                self.text = text
                self.scan = eComponentScan()
-               if self.scan.start():
-                       self.state = self.Error
-               else:
-                       self.state = self.Running
+               self.state = self.Idle
+               self.scanStatusChanged()
+               
+       def execBegin(self):
                self.scan.statusChanged.get().append(self.scanStatusChanged)
+               self.state = self.Running
+               err = self.scan.start()
+               if err:
+                       self.state = self.Error
+                       self.errorcode = 0
+
                self.scanStatusChanged()
+       
+       def execEnd(self):
+               self.scan.statusChanged.get().remove(self.scanStatusChanged)
+               if not self.isDone():
+                       print "*** warning *** scan was not finished!"
 
        def isDone(self):
-               return self.state == self.Done
+               print "state is %d " % (self.state)
+               return self.state == self.Done or self.state == self.Error
+       
+class ActionMap:
+       def __init__(self, contexts = [ ], actions = { }, prio=0):
+               self.actions = actions
+               self.contexts = contexts
+               self.prio = prio
+               self.p = eActionMapPtr()
+               eActionMap.getInstance(self.p)
+
+       def execBegin(self):
+               for ctx in self.contexts:
+                       self.p.bindAction(ctx, self.prio, self.action)
+       
+       def execEnd(self):
+               for ctx in self.contexts:
+                       self.p.unbindAction(ctx, self.action)
+       
+       def action(self, context, action):
+               print " ".join(("action -> ", context, action))
+               if self.actions.has_key(action):
+                       self.actions[action]()
+               else:
+                       print "unknown action %s/%s! typo in keymap?" % (context, action)
+
+class PerServiceDisplay(GUIComponent, VariableText):
+       """Mixin for building components which display something which changes on navigation events, for example "service name" """
+       
+       def __init__(self, navcore, eventmap):
+               GUIComponent.__init__(self)
+               VariableText.__init__(self)
+               self.eventmap = eventmap
+               navcore.m_event.get().append(self.event)
+               self.navcore = navcore
+
+               # start with stopped state, so simulate that
+               self.event(pNavigation.evStopService)
+
+       def event(self, ev):
+               # loop up if we need to handle this event
+               if self.eventmap.has_key(ev):
+                       # call handler
+                       self.eventmap[ev]()
+       
+       def createWidget(self, parent, skindata):
+               # by default, we use a label to display our data.
+               g = eLabel(parent)
+               return g
+
+class EventInfo(PerServiceDisplay):
+       Now = 0
+       Next = 1
+       Now_Duration = 2
+       Next_Duration = 3
+       
+       def __init__(self, navcore, now_or_next):
+               # listen to evUpdatedEventInfo and evStopService
+               # note that evStopService will be called once to establish a known state
+               self.now_or_next = now_or_next
+               PerServiceDisplay.__init__(self, navcore, 
+                       { 
+                               pNavigation.evUpdatedEventInfo: self.ourEvent, 
+                               pNavigation.evStopService: self.stopEvent 
+                       })
+
+       def ourEvent(self):
+               info = iServiceInformationPtr()
+               service = iPlayableServicePtr()
+               
+               if not self.navcore.getCurrentService(service):
+                       if not service.info(info):
+                               ev = eServiceEventPtr()
+                               if info.getEvent(ev, self.now_or_next & 1) == 0:
+                                       if self.now_or_next & 2:
+                                               self.setText("%d min" % (ev.m_duration / 60))
+                                       else:
+                                               self.setText(ev.m_event_name)
+               print "new event info in EventInfo! yeah!"
+
+       def stopEvent(self):
+               self.setText(
+                       ("waiting for event data...", "", "--:--",  "--:--")[self.now_or_next]);
+
+class ServiceName(PerServiceDisplay):
+       def __init__(self, navcore):
+               PerServiceDisplay.__init__(self, navcore,
+                       {
+                               pNavigation.evNewService: self.newService,
+                               pNavigation.evStopService: self.stopEvent
+                       })
+
+       def newService(self):
+               info = iServiceInformationPtr()
+               service = iPlayableServicePtr()
+               
+               if not self.navcore.getCurrentService(service):
+                       if not service.info(info):
+                               self.setText("no name known, but it should be here :)")
+       
+       def stopEvent(self):
+                       self.setText("");
 
-       def fix(self):
-               self.scan.statusChanged.get().remove(self.scanStatusChanged)
-       
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