Module:HonorTabs

Documentation for this module may be created at Module:HonorTabs/doc

local p = {}

function p.hello( frame )
	return "Hello, world!"
end

function p.getLangSuffix( frame )
	return frame:expandTemplate{ title = 'GetLangSuffix' }
end

function p.createAnswerTab( frame )
	if frame.args.answerVariants then
		result_string = outputVariantsTab(frame, prepareAnswerVariants( frame, frame.args.landingPage, frame.args.answerVariants))
		return result_string
	else
		return "There aren't any answer variants!"
	end
end

function prepareAnswerVariants(frame, landingPage, variants)
	-- check the input variables
	if (frame == nil or landingPage == nil or landingPage == "") then
		return "fatal error"
	end
	if (variants == nil or variants == "") then
		local linkTitle = frame:expandTemplate{ title = 'Localize', args = { 'Answer Key' } }
		return {url="[[" .. landingPage .. "/Answer_key" .. frame:expandTemplate{title='GetLangSuffix'} .. "|" .. linkTitle .. "]]"}
	end
	
	-- get the variants
	local t_variants = explode(";;", variants)
	
	-- get the subvariants & translate it
	for key, variant in pairs(t_variants) do
		t_variants[key] = {
			orig = variant,
			split = explode(";", variant)
		}
		for subkey, subVariant in pairs(t_variants[key]['split']) do
			local trans = frame:expandTemplate{ title = 'Localize', args = { subVariant, 'Answer Variants' } }
			local t_splitTrans = {
				orig = subVariant,
				translation = trans
			}
			t_variants[key]['split'][subkey] = t_splitTrans
		end
	end
	
	-- assamble link
	for key, variant in pairs(t_variants) do
		linkTitle = ""
		local len = #linkTitle
		for subkey, subvariant in pairs(t_variants[key]['split']) do
			if (#linkTitle > 0) then
				linkTitle = linkTitle .. " & " .. subvariant['translation']
			else
				linkTitle = subvariant['translation']
			end
		end
		t_variants[key]['url'] = "[[" .. landingPage .. "(" .. variant['orig'] .. ")/Answer_key" .. frame:expandTemplate{title='GetLangSuffix'} .. "|" .. linkTitle .. "]]"
	end
	
	return t_variants
end

function outputVariantsTab(frame, variants)
	local HTMLCode = ""
	local HTMLCodeString = ""
	if (variants == nil or #variants < 1) then 
		-- should not happen!
	elseif (#variants == 1) then
		HTMLCode = mw.html.create( 'li' )
		HTMLCode
			:addClass( 'honor-nav-item' )
			:wikitext( variants[1].url )
		HTMLCodeString = tostring( HTMLCode )
	else
		-- now there should be more then 1 variants
		local HTMLTabParent = mw.html.create( 'li' )
		HTMLTabParent
			:addClass( 'honor-nav-item' )
			:addClass( 'dropdown' )
		local selflinkClass = ''
		if explode('/',frame:expandTemplate{title='PAGENAMEwithoutLang'})[-1] == 'Answer Key' then
			selflinkClass = 'selflink'
		else
			selflinkClass = ''
		end
		
		local HTMLTabButton = mw.html.create( 'button' )
		HTMLTabButton
			:addClass( 'dropdown-toggle' )
			:addClass( selflinkClass )
			:attr( 'type', 'button' )
			:attr( 'id', 'dropdownAnswerKeys' )
			:attr( 'data-toggle', 'dropdown' )
			:attr( 'aria-haspopup', 'true' )
			:attr( 'aria-expanded', 'false' )
			:wikitext( frame:expandTemplate{ title = 'Localize', args = { 'Answer Key' } } )
		HTMLTabParent:node( HTMLTabButton )
		HTMLVariantsContainer = mw.html.create( 'div' )
		HTMLVariantsContainer
			:addClass( 'dropdown-menu' )
			:attr( 'aria-labelledby', 'dropdownAnswerKeys')
		for key, variant in pairs(variants) do
			HTMLVariantLink = mw.html.create( 'span' )
			HTMLVariantLink
				:addClass( 'dropdown-item' )
				:wikitext( variant.url )
			HTMLVariantsContainer:node( HTMLVariantLink )
		end
		HTMLTabParent:node( HTMLTabParent )
	end
	return HTMLCodeString
end

-- explode(seperator, string)
function explode(seperator,str)
   local t, ll
   t={}
   ll=0
   if(#str == 1) then
      return {str}
   end
   while true do
      l = string.find(str, seperator, ll, true) -- find the next d in the string
      if l ~= nil then -- if "not not" found then..
         table.insert(t, string.sub(str,ll,l-1)) -- Save it in our array.
         ll = l + string.len(seperator) -- save just after where we found it for searching next time.
      else
         table.insert(t, string.sub(str,ll)) -- Save what's left in our array.
         break -- Break at end, as it should be, according to the lua manual.
      end
   end
   return t
end

return p