do not try to scan, when no scan is possible.. (show a messagebox)

this fixes "self.feid = self.scanList[self.run]["feid"]"
IndexError: list index out of range (ServiceScan.py line 64)

diff --git a/lib/python/Screens/ScanSetup.py b/lib/python/Screens/ScanSetup.py
index 67ea1b19a463b2951ed0b26dde6948247a481006..0b299f7a5075a4894981a896a2be729ed99fed99 100644 (file)
--- a/lib/python/Screens/ScanSetup.py
+++ b/lib/python/Screens/ScanSetup.py
@@ -5,6 +5,7 @@ from Components.ActionMap import NumberActionMap
 from Components.ConfigList import ConfigList
 from Components.NimManager import nimmanager
 from Components.Label import Label
+from Screens.MessageBox import MessageBox
 from enigma import eDVBFrontendParametersSatellite, eComponentScan, eDVBSatelliteEquipmentControl, eDVBFrontendParametersTerrestrial
 
 def buildTerTransponder(frequency, 
@@ -477,6 +478,7 @@ class ScanSimple(Screen):
                        slotid = x[1].parent.configPath
                        print "Scan Tuner", slotid, "-", currentConfigSelectionElement(x[1].parent)
                        if currentConfigSelectionElement(x[1].parent) == "yes":
+                               scanPossible = False
                                tlist = [ ]
                                if nimmanager.getNimType(x[1].parent.configPath) == nimmanager.nimType["DVB-S"]:
                                        if two_sat_tuners:
@@ -489,14 +491,21 @@ class ScanSimple(Screen):
                                        SatList = nimmanager.getSatListForNim(slotid)
                                        for sat in SatList:
                                                if not two_sat_tuners or (sat[1] in exclusive_nim_sats or slotid == 0):
+                                                       scanPossible = True
                                                        print sat
                                                        getInitialTransponderList(tlist, sat[1])
                                elif nimmanager.getNimType(x[1].parent.configPath) == nimmanager.nimType["DVB-C"]:
+                                       ScanPossible = True
                                        getInitialCableTransponderList(tlist, nimmanager.getCableDescription(slotid))
                                elif nimmanager.getNimType(x[1].parent.configPath) == nimmanager.nimType["DVB-T"]:
+                                       ScanPossible = True
                                        getInitialTerrestrialTransponderList(tlist, nimmanager.getTerrestrialDescription(slotid))
-                               scanList.append({"transponders": tlist, "feid": slotid, "flags": eComponentScan.scanNetworkSearch})
-               self.session.openWithCallback(self.doNothing, ServiceScan, scanList = scanList)
+                               if scanPossible:
+                                       scanList.append({"transponders": tlist, "feid": slotid, "flags": eComponentScan.scanNetworkSearch})
+               if len(scanList):
+                       self.session.openWithCallback(self.doNothing, ServiceScan, scanList = scanList)
+               else:
+                       self.session.open(MessageBox, _("Nothing to scan!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 
        def doNothing(self):
                pass