1.3 worked and first commit

C2Cap.lua

@@ -12,6 +12,7 @@ local prefs = import 'LrPrefs'.prefsForPlugin()
 
 local CurrentCatalog = LrApplication:activeCatalog()
 local CurrentSelectionArray = CurrentCatalog:getActiveSources()
+local Threshold = 15
 
 if (#CurrentSelectionArray > 1) then
 	return
@@ -51,7 +52,7 @@ LrTasks.startAsyncTask( function ()
 	CurrentCatalog:withWriteAccessDo('Set Caption',function()
 		--loops photos in collection
 		for i,PhotoIt in ipairs(currPhotos) do
-				PhotoIt:setRawMetadata('caption',CollectionName)
+			PhotoIt:setRawMetadata('caption',CollectionName)
 			ProgressBar:setPortionComplete(i,countPhotos)
 		end --end of for photos loop
 		CompleteFlag = 1
@@ -65,12 +66,28 @@ LrTasks.startAsyncTask( function ()
 	-- Revert back to prefs.RevertTo
 	if prefs.isRevert and CompleteFlag == 1 then
 		local collections = CurrentCatalog:getChildCollections()
+		local photocount = 0
+		local RevertCol,RevertCol2nd
 		for i,ColIt in ipairs(collections) do
-			if ColIt:getName()==prefs.RevertTo then
-				CurrentCatalog:setActiveSources(ColIt)
+			if ColIt:getName() == prefs.RevertTo then
+				local tempArray = ColIt:getPhotos()
+				photocount = #tempArray
+				RevertCol = ColIt
+				if Threshold <= photocount then
+					RevertCol2nd = ColIt
+				end
+			elseif ColIt:getName() == prefs.Revert2nd then
+				RevertCol2nd = ColIt
+			end
+			if RevertCol ~= nil and RevertCol2nd ~= nil then
 				break
 			end
 		end
+		if Threshold <= photocount then
+			CurrentCatalog:setActiveSources(RevertCol)
+		else
+			CurrentCatalog:setActiveSources(RevertCol2nd)
+		end
 	end
 end ) --end of startAsyncTask function()
 return

Info.lua

@@ -18,6 +18,6 @@ return {
 	LrPluginInfoProvider = 'PluginInfo.lua',
 	LrInitPlugin = 'PluginInit.lua',
 
-	VERSION = { major=1, minor=2, revision=6, build=0, },
+	VERSION = { major=1, minor=3, revision=0, build=0, },
 
 }

PluginInfo.lua

@@ -12,11 +12,13 @@ local PluginInfo = {}
 function PluginInfo.startDialog( propertyTable )
 	propertyTable.isRevert = prefs.isRevert
 	propertyTable.RevertTo = prefs.RevertTo
+	propertyTable.Revert2nd = prefs.Revert2nd
 end
 
 function PluginInfo.endDialog( propertyTable ,why )
 	prefs.isRevert = propertyTable.isRevert
 	prefs.RevertTo = propertyTable.RevertTo
+	prefs.Revert2nd = propertyTable.Revert2nd
 end
 
 function PluginInfo.sectionsForTopOfDialog( viewFactory, propertyTable )
@@ -27,7 +29,14 @@ function PluginInfo.sectionsForTopOfDialog( viewFactory, propertyTable )
 			bind_to_object = propertyTable,
 			viewFactory:row {
 				viewFactory:checkbox {title = 'Revert Back', value = bind 'isRevert',},
-				viewFactory:edit_field {title = 'Collection', value = bind 'RevertTo',},
+			},
+			viewFactory:row {
+				viewFactory:static_text {title = 'Collection',},
+				viewFactory:edit_field {value = bind 'RevertTo',},
+			},
+			viewFactory:row {
+				viewFactory:static_text {title = 'Second Col.',},
+				viewFactory:edit_field {value = bind 'Revert2nd',},
 			},
 		},
 	}