add zapping history.. useable with < > buttons
[enigma2.git] / lib / python / Screens / ChannelSelection.py
index 7d93ff1004c716cd995e6b45b9ba11bae6d1f20b..476348f7d41388432a4fe2da6fc279beb305f6d7 100644 (file)
@@ -264,10 +264,10 @@ class ChannelSelectionEdit:
        def startMarkedEdit(self):
                self.mutableList = self.getMutableList()
                # add all services from the current list to internal marked set in listboxservicecontent
-               self.bouquetRoot = self.getRoot()
                self.clearMarks() # this clears the internal marked set in the listboxservicecontent
                self.saved_title = self.instance.getTitle()
-               new_title = self.saved_title
+               pos = self.saved_title.find(')')
+               new_title = self.saved_title[:pos+1]
                if self.bouquet_root.getPath().find('FROM BOUQUET "bouquets.') != -1:
                        new_title += ' ' + _("[bouquet edit]")
                else:
@@ -299,13 +299,12 @@ class ChannelSelectionEdit:
                self.__marked = []
                self.clearMarks()
                self.bouquet_mark_edit = False
-               self.bouquetRoot = None
                self.mutableList = None
                self.instance.setTitle(self.saved_title)
                self.saved_title = None
                self.servicePath = self.savedPath[:]
                del self.savedPath
-               self.setRoot(self.servicePath[len(self.servicePath-1)])
+               self.setRoot(self.servicePath[len(self.servicePath)-1])
 
        def clearMarks(self):
                self.servicelist.clearMarks()
@@ -357,7 +356,8 @@ class ChannelSelectionEdit:
                        self.pathChangedDisabled = True # no path change allowed in movemode
                        self.saved_title = self.instance.getTitle()
                        new_title = self.saved_title
-                       new_title += ' ' + _("[move mode]");
+                       pos = self.saved_title.find(')')
+                       new_title = self.saved_title[:pos+1] + ' ' + _("[move mode]") + self.saved_title[pos+1:]
                        self.instance.setTitle(new_title);
 
        def handleEditCancel(self):
@@ -479,26 +479,26 @@ class ChannelSelectionBase(Screen):
                self.bouquet_root = eServiceReference(self.bouquet_rootstr)
 
        def setTvMode(self):
+               self.mode = MODE_TV
+               self.servicePath = self.servicePathTV
+               self.recallBouquetMode()
                title = self.instance.getTitle()
                pos = title.find(" (")
                if pos != -1:
                        title = title[:pos]
                title += " (TV)"
                self.instance.setTitle(title)
-               self.mode = MODE_TV
-               self.servicePath = self.servicePathTV
-               self.recallBouquetMode()
 
        def setRadioMode(self):
+               self.mode = MODE_RADIO
+               self.servicePath = self.servicePathRadio
+               self.recallBouquetMode()
                title = self.instance.getTitle()
                pos = title.find(" (")
                if pos != -1:
                        title = title[:pos]
                title += " (Radio)"
                self.instance.setTitle(title)
-               self.mode = MODE_RADIO
-               self.servicePath = self.servicePathRadio
-               self.recallBouquetMode()
 
        def setRoot(self, root, justSet=False):
                path = root.getPath()
@@ -513,6 +513,53 @@ class ChannelSelectionBase(Screen):
                else:
                        self.servicelist.setMode(ServiceList.MODE_NORMAL)
                self.servicelist.setRoot(root, justSet)
+               self.buildTitleString()
+
+       def removeModeStr(self, str):
+               if self.mode == MODE_TV:
+                       pos = str.find(' (TV)')
+               else:
+                       pos = str.find(' (Radio)')
+               if pos != -1:
+                       return str[:pos]
+               return str
+
+       def getServiceName(self, ref):
+               str = self.removeModeStr(ServiceReference(ref).getServiceName())
+               if not len(str):
+                       pathstr = ref.getPath()
+                       if pathstr.find('FROM PROVIDERS') != -1:
+                               return _("Provider")
+                       if pathstr.find('FROM SATELLITES') != -1:
+                               return _("Satellites")
+                       if pathstr.find(') ORDER BY name') != -1:
+                               return _("All")
+               return str
+
+       def buildTitleString(self):
+               titleStr = self.instance.getTitle()
+               pos = titleStr.find(']')
+               if pos == -1:
+                       pos = titleStr.find(')')
+               if pos != -1:
+                       titleStr = titleStr[:pos+1]
+                       Len = len(self.servicePath)
+                       if Len > 0:
+                               base_ref = self.servicePath[0]
+                               if Len > 1:
+                                       end_ref = self.servicePath[Len-1]
+                               else:
+                                       end_ref = None
+                               nameStr = self.getServiceName(base_ref)
+                               titleStr += ' ' + nameStr
+                               if end_ref is not None:
+                                       if Len > 2:
+                                               titleStr += '/../'
+                                       else:
+                                               titleStr += '/'
+                                       nameStr = self.getServiceName(end_ref)
+                                       titleStr += nameStr
+                               self.instance.setTitle(titleStr)
 
        def moveUp(self):
                self.servicelist.moveUp()
@@ -699,6 +746,8 @@ class ChannelSelectionBase(Screen):
                        return bouquets
                return None
 
+HISTORYSIZE = 20
+
 class ChannelSelection(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelectionEPG):
        def __init__(self, session):
                ChannelSelectionBase.__init__(self,session)
@@ -723,13 +772,16 @@ class ChannelSelection(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelect
                self.lastChannelRootTimer.timeout.get().append(self.__onCreate)
                self.lastChannelRootTimer.start(100,True)
 
+               self.history = [ ]
+               self.history_pos = 0
+
        def __onCreate(self):
                self.setTvMode()
                self.restoreRoot()
                lastservice=eServiceReference(config.tv.lastservice.value)
                if lastservice.valid():
                        self.setCurrentSelection(lastservice)
-                       self.session.nav.playService(lastservice)
+                       self.zap()
 
        def __onShown(self):
                self.recallBouquetMode()
@@ -754,9 +806,46 @@ class ChannelSelection(ChannelSelectionBase, ChannelSelectionEdit, ChannelSelect
        #called from infoBar and channelSelected
        def zap(self):
                ref = self.session.nav.getCurrentlyPlayingServiceReference()
-               if ref is None or ref != self.getCurrentSelection():
-                       self.session.nav.playService(self.getCurrentSelection())
+               nref = self.getCurrentSelection()
+               if ref is None or ref != nref:
+                       self.session.nav.playService(nref)
+               self.saveRoot()
+               self.saveChannel()
+               tmp=self.servicePath[:]
+               tmp.append(nref)
+               try:
+                       del self.history[self.history_pos+1:]
+               except:
+                       pass
+               self.history.append(tmp)
+               hlen = len(self.history)
+               if hlen > HISTORYSIZE:
+                       del self.history[0]
+               self.history_pos = hlen-1
+
+       def historyBack(self):
+               hlen = len(self.history)
+               if hlen > 1 and self.history_pos > 0:
+                       self.history_pos -= 1
+                       self.setHistoryPath()
+
+       def historyNext(self):
+               hlen = len(self.history)
+               if hlen > 1 and self.history_pos < (hlen-1):
+                       self.history_pos += 1
+                       self.setHistoryPath()
+
+       def setHistoryPath(self):
+               path = self.history[self.history_pos][:]
+               ref = path.pop()
+               self.servicePath = path
                self.saveRoot()
+               plen = len(path)
+               root = path[plen-1]
+               if self.getRoot() != root:
+                       self.setRoot(root)
+               self.session.nav.playService(ref)
+               self.setCurrentSelection(ref)
                self.saveChannel()
 
        def saveRoot(self):