- added function to mark a channel for swapping + swap with current channel

- replaced misuse of "FileLoadException" with a custom LoaderException to handle file loading issues with better continue/fail logic
- removed "Save As" and replaced it with "Convert list" menu item that shows information on how to use a reference list instead of direct conversion

source/ChanSort.Api/Controller/SerializerBase.cs

@@ -36,7 +36,6 @@ namespace ChanSort.Api
       public bool CanHaveGaps { get; set; } = true;
       public bool EncryptedFlagEdit { get; set; }
       public DeleteMode DeleteMode { get; set; } = DeleteMode.NotSupported;
-      public bool CanSaveAs { get; set; } = true;
 
 
       public FavoritesMode FavoritesMode

source/ChanSort.Loader.Android/AldenSerializer.cs

@@ -44,7 +44,6 @@ namespace ChanSort.Loader.Android
       this.Features.CanLockChannels = true;
       this.Features.CanHideChannels = true;
       this.Features.DeleteMode = DeleteMode.Physically;
-      this.Features.CanSaveAs = true;
       this.Features.CanHaveGaps = true; // at least the DVB-S Data list had gaps
       this.Features.FavoritesMode = FavoritesMode.OrderedPerSource;
       this.Features.MaxFavoriteLists = 1;

source/ChanSort.Loader.Enigma2/Serializer.cs

@@ -40,7 +40,6 @@ namespace ChanSort.Loader.Enigma2
       this.Features.CanHideChannels = false;
       this.Features.FavoritesMode = FavoritesMode.MixedSource;
       this.Features.MaxFavoriteLists = 0; // dynamically added
-      this.Features.CanSaveAs = false;
 
       this.channels.IsMixedSourceFavoritesList = true;
       this.DataRoot.AddChannelList(this.channels);

source/ChanSort.Loader.Grundig/Serializer.cs

@@ -31,7 +31,6 @@ namespace ChanSort.Loader.Grundig
       this.Features.CanLockChannels = true;
       this.Features.CanHideChannels = true;
       this.Features.DeleteMode = DeleteMode.Physically;
-      this.Features.CanSaveAs = false;
       this.Features.AllowGapsInFavNumbers = false;
       this.Features.CanEditFavListNames = false;
       this.Features.FavoritesMode = FavoritesMode.OrderedPerSource;

source/ChanSort.Loader.LG/GlobalClone/GcJsonSerializer.cs

@@ -28,7 +28,6 @@ namespace ChanSort.Loader.GlobalClone
       this.Features.DeleteMode = DeleteMode.NotSupported; //.FlagWithoutPrNr; 
       this.Features.ChannelNameEdit = ChannelNameEditMode.All;
       this.Features.FavoritesMode = FavoritesMode.None;
-      this.Features.CanSaveAs = true;
       this.Features.CanHaveGaps = true;
       this.Features.CanHideChannels = true;
       this.Features.CanSkipChannels = true;

source/ChanSort.Loader.LG/GlobalClone/GcXmlSerializer.cs

@@ -27,7 +27,6 @@ namespace ChanSort.Loader.GlobalClone
       this.Features.ChannelNameEdit = ChannelNameEditMode.All;
       this.Features.DeleteMode = DeleteMode.FlagWithoutPrNr;
       this.Features.CanHaveGaps = true;
-      this.Features.CanSaveAs = true;
       this.Features.CanSkipChannels = true;
       this.Features.CanLockChannels = true;
       this.Features.CanHideChannels = true;

source/ChanSort.Loader.Panasonic/IdtvChannelSerializer.cs

@@ -154,7 +154,6 @@ internal class IdtvChannelSerializer : SerializerBase
     dbFile = Path.Combine(dir, "tv.db");
     binFile = Path.Combine(dir, "channel", "idtvChannel.bin");
 
-    this.Features.CanSaveAs = false;
     this.Features.FavoritesMode = FavoritesMode.Flags;
     this.Features.DeleteMode = DeleteMode.FlagWithPrNr;
 

source/ChanSort.Loader.Panasonic/XmlSerializer.cs

@@ -41,7 +41,6 @@ namespace ChanSort.Loader.Panasonic
       this.Features.CanLockChannels = false;
       this.Features.CanHideChannels = false;
       this.Features.DeleteMode = DeleteMode.NotSupported;
-      this.Features.CanSaveAs = true;
       this.Features.AllowGapsInFavNumbers = true;
       this.Features.CanEditFavListNames = false;
 

source/ChanSort.Loader.Philips/BinarySerializer.cs

@@ -76,7 +76,6 @@ namespace ChanSort.Loader.Philips
       this.Features.CanLockChannels = true;
       this.Features.CanHideChannels = false;
       this.Features.DeleteMode = DeleteMode.NotSupported;
-      this.Features.CanSaveAs = false;
       this.Features.CanHaveGaps = false;
       this.Features.FavoritesMode = FavoritesMode.Flags; // satellite favorites are stored in a separate file that may support independent sorting, but DVB C/T only have a flag
       this.Features.MaxFavoriteLists = 1; // Map45 format will change this

source/ChanSort.Loader.Philips/XmlSerializer.cs

@@ -106,7 +106,6 @@ namespace ChanSort.Loader.Philips
       this.Features.CanLockChannels = true;
       this.Features.CanHideChannels = true;
       this.Features.DeleteMode = DeleteMode.NotSupported;
-      this.Features.CanSaveAs = false;
       this.Features.AllowGapsInFavNumbers = false;
       this.Features.CanEditFavListNames = true;