Issues
  • allowsort not working
  • placeholder?
  • input-length-trigger

--[[

Test environment for Module:FF

]]--

local p = {}

p.token= function(frame)
	-- nowiki for query?
	local query = frame.args.query or "" -- nowiki?
	local selectedvalues = frame.args.selected or ""
	local sep = frame.args.separator or ","
	local displayprop = frame.args.returntext or ""
	local inputname = frame.args.name or ""
	-- @todo returnid if you don't want to retrieve the pages as values
	local wrappertemplate = frame.args.wrappertemplate or ""

--	local query = frame.args.query or ""
--	local multiple = frame.args.multiple or ""
--	local allowclear = frame.args.allowclear or ""
	
	local optionfor = string.gsub( inputname, "%[%]", "" )
	local options = p.createOptions( selectedvalues, sep, displayprop, optionfor ) -- string
	
	local flexargs = {}
	for k, v in pairs( frame.args ) do
		-- table.insert( flexargs, k );
		flexargs[k] = v or nil
	end
	
	-- Required or else query does not work.
	flexargs.query = frame.args.query or ""
	-- attributes without values
--	flexargs.multiple = frame.args.multiple or nil
--	flexargs.allowclear = frame.args.allowclear or nil
--	flexargs.allowsort = frame.args.allowsort or nil
--	flexargs['input-length-trigger'] = frame.args['input-length-trigger'] or nil
	
	-- Remove anything that doesn't belong to FF proper
	local nonffargs = { 'selected', 'wrappertemplate', 'returntext', 'label' }
	for name in ipairs( nonffargs ) do
		if ( flexargs[name] ~= nil ) then
			flexargs[name] = nil
		end
	end
	
	-- FlexForm
	local forminput = frame:extensionTag( '_token', options, flexargs )
	if ( mw.text.trim( wrappertemplate ) == "" ) then
		return forminput
	else
		local res = frame:expandTemplate{ title = wrappertemplate, args = { label, forminput } }
		return res
	end
	
	return res
	
end

p.createOptions = function( values, sep, displayprop, inputname )
	local valTbl = mw.text.split( values, sep )
	local str = ''
	for k,val in ipairs( valTbl ) do
		local label = p.smwgetlabel( val, displayprop ) or val
		local inputTbl = {
			['type'] = 'option',
			['value'] = mw.text.trim( val ),
			['for'] = inputname,
			['selected'] = 'selected'
	    }
	    frame = mw.getCurrentFrame()
	    local input = frame:extensionTag( '_input', label, inputTbl );
		str = str .. input
	end
	return str
end

p.smwgetlabel = function( pagename, propname )
	if not mw.smw then
        return "mw.smw module not found"
	end
	local qarg = "[[" .. pagename .. "]][[Modification date::+]]|?" .. propname .. "=title|link=none"
	local qres = mw.smw.ask( qarg )
	local label = qres[1].title or nil
	return label
end

return p