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Module:Navbox with collapsible groups

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Documentation for this module may be created at Module:Navbox with collapsible groups/doc 

-- This module implements {{Navbox with collapsible groups}}

require('strict')
local p = {}
local parentCfg = mw.loadData('Module:Navbox/configuration')
local thisCfg = mw.loadData('Module:Navbox with collapsible groups/configuration')
local cfg = {}
for k, v in pairs(thisCfg) do
	if type(v) == 'table' then
		cfg[k] = {}
		if type(parentCfg[k]) == 'table' then
			for kk, vv in pairs(parentCfg[k]) do cfg[k][kk] = vv end
		end
		for kk, vv in pairs(v) do cfg[k][kk] = vv end
	end
end
local inArray = require("Module:TableTools").inArray
local getArgs -- lazily initialized

-- helper functions
local andnum = function(s, n) return string.format(cfg.arg[s..'_and_num'], n) end
	
local isblank = function(v) return (v or '') == '' end

local function concatstrings(s)
	local r = table.concat(s, '')
	if r:match('^%s*$') then return nil end
	return r
end
	
local function concatstyles(s)
	local r = ''
	for _, v in ipairs(s) do
		v = mw.text.trim(v, "%s;")
		if not isblank(v) then r = r .. v .. ';' end
	end
	if isblank(r) then return nil end
	return r
end
	
local function getSubgroup(args, listnum, listText)
	local subArgs = {
		[cfg.arg.border] = cfg.keyword.border_subgroup,
		[cfg.arg.navbar] = cfg.keyword.navbar_plain
	}
	local hasSubArgs = false
	for k, v in pairs(args) do
		k = tostring(k)
		for _, w in ipairs(cfg.keyword.subgroups) do
			w = w .. listnum .. "_"
			if (#k > #w) and (k:sub(1, #w) == w) then
				subArgs[k:sub(#w + 1)] = v
				hasSubArgs = true
			end
		end
	end
	return hasSubArgs and p._navbox(subArgs) or listText
end

-- Main functions
p._navbox = require('Module:Navbox')._navbox

function p._withCollapsibleGroups(pargs)
	-- table for args passed to navbox
	local targs = {}

	-- process args
	local passthrough = {
		[cfg.arg.above]=true,[cfg.arg.aboveclass]=true,[cfg.arg.abovestyle]=true,
		[cfg.arg.basestyle]=true,
		[cfg.arg.below]=true,[cfg.arg.belowclass]=true,[cfg.arg.belowstyle]=true,
		[cfg.arg.bodyclass]=true,[cfg.arg.bodystyle]=true,
		[cfg.arg.border]=true,
		[cfg.arg.groupclass]=true,
		[cfg.arg.image]=true,[cfg.arg.imageclass]=true,[cfg.arg.imagestyle]=true,
		[cfg.arg.imageleft]=true,[cfg.arg.imageleftstyle]=true,
		[cfg.arg.listclass]=true,
		[cfg.arg.name]=true,
		[cfg.arg.navbar]=true,
		[cfg.arg.state]=true,
		[cfg.arg.style]=true,
		[cfg.arg.title]=true,[cfg.arg.titleclass]=true,[cfg.arg.titlestyle]=true
	}
	for k,v in pairs(pargs) do
		if k and type(k) == 'string' then
			if passthrough[k] then
				targs[k] = v
			elseif (k:match(cfg.pattern.num)) then
				local n = k:match(cfg.pattern.num)
				local list_and_num = andnum('list', n)
				if ((k:match(cfg.pattern.listnum) or k:match(cfg.pattern.contentnum))
						and targs[list_and_num] == nil
						and pargs[andnum('group', n)] == nil
						and pargs[andnum('sect', n)] == nil
						and pargs[andnum('section', n)] == nil) then
					targs[list_and_num] = concatstrings({
						pargs[list_and_num] or '',
						pargs[andnum('content', n)] or ''
					})
					if (targs[list_and_num] and inArray(cfg.keyword.subgroups, targs[list_and_num])) then
						targs[list_and_num] = getSubgroup(pargs, n, targs[list_and_num])
					end
				elseif ((k:match(cfg.pattern.groupnum) or k:match(cfg.pattern.sectnum) or k:match(cfg.pattern.sectionnum))
						and targs[list_and_num] == nil) then
					local titlestyle = concatstyles({
						pargs[cfg.arg.groupstyle] or '',
						pargs[cfg.arg.secttitlestyle] or '', 
						pargs[andnum('groupstyle', n)] or '', 
						pargs[andnum('sectiontitlestyle', n)] or ''
					})
					local liststyle = concatstyles({
						pargs[cfg.arg.liststyle] or '',
						pargs[cfg.arg.contentstyle] or '', 
						pargs[andnum('liststyle', n)] or '', 
						pargs[andnum('contentstyle', n)] or ''
					})
					local title = concatstrings({
						pargs[andnum('group', n)] or '',
						pargs[andnum('sect', n)] or '',
						pargs[andnum('section', n)] or ''
					})
					local list = concatstrings({
						pargs[list_and_num] or '', 
						pargs[andnum('content', n)] or ''
					})
					if list and inArray(cfg.keyword.subgroups, list) then
						list = getSubgroup(pargs, n, list)
					end
					local abbr_and_num = andnum('abbr', n)
					local state = (pargs[abbr_and_num] and pargs[abbr_and_num] == pargs[cfg.arg.selected]) 
						and cfg.keyword.state_uncollapsed
						or (pargs[andnum('state', n)] or cfg.keyword.state_collapsed)
					
					targs[list_and_num] =p._navbox({
						cfg.keyword.border_child,
						[cfg.arg.navbar] = cfg.keyword.navbar_plain,
						[cfg.arg.state] = state,
						[cfg.arg.basestyle] = pargs[cfg.arg.basestyle],
						[cfg.arg.title] = title,
						[cfg.arg.titlestyle] = titlestyle,
						[andnum('list', 1)] = list,
						[cfg.arg.liststyle] = liststyle,
						[cfg.arg.listclass] = pargs[andnum('listclass', n)],
						[cfg.arg.image] = pargs[andnum('image', n)],
						[cfg.arg.imageleft] = pargs[andnum('imageleft', n)],
						[cfg.arg.listpadding] = pargs[cfg.arg.listpadding]
					})
				end
			end
		end
	end
	-- ordering of style and bodystyle
	targs[cfg.arg.style] = concatstyles({targs[cfg.arg.style] or '', targs[cfg.arg.bodystyle] or ''})
	targs[cfg.arg.bodystyle] = nil
	
	-- child or subgroup
	if targs[cfg.arg.border] == nil then targs[cfg.arg.border] = pargs[1] end

	return p._navbox(targs)
end

-- Template entry points
function p.navbox (frame, boxtype)
	local function readArgs(args, prefix)
		-- Read the arguments in the order they'll be output in, to make references
		-- number in the right order.
		local _
		_ = args[prefix .. cfg.arg.title]
		_ = args[prefix .. cfg.arg.above]
		-- Limit this to 20 as covering 'most' cases (that's a SWAG) and because
		-- iterator approach won't work here
		for i = 1, 20 do
			_ = args[prefix .. andnum('group', i)]
			if inArray(cfg.keyword.subgroups, args[prefix .. andnum('list', i)]) then
				for _, v in ipairs(cfg.keyword.subgroups) do
					readArgs(args, prefix .. v .. i .. "_")
				end
			end
		end
		_ = args[prefix .. cfg.arg.below]
	end

	if not getArgs then
		getArgs = require('Module:Arguments').getArgs
	end
	local args = getArgs(frame, {wrappers = {cfg.pattern[boxtype or 'navbox']}})
	readArgs(args, "")
	return p['_'..(boxtype or 'navbox')](args)
end

p['with collapsible groups'] = function (frame)
	return p.navbox(frame, 'withCollapsibleGroups')
end

local q = {}
q._navbox = p._withCollapsibleGroups
q.navbox = p['with collapsible groups']
return q
Dhyworth "https://kw.wikipedia.org/w/index.php?title=Module:Navbox_with_collapsible_groups&oldid=218808"