Module:Navbox

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

-- This module follows [[User:Ganaram inukshuk/Provisional style guide for Lua]]
local getArgs = require("Module:Arguments").getArgs
local navbar = require("Module:Navbar")._navbar
local tiu = require("Module:Template input utils")
local yesno = require("Module:Yesno")

local p = {}

-- TODO (medium priority): add/use navbox/styles.css

-- TODO (medium priority): nest and refactor helper functions

-- Navbox row helper function
-- Function was refactored to use table.concat(), like with the "main" function,
-- since it's being called multiple times. The other helper functions don't need
-- to be refactored (currently) because they only need to be called a fixed
-- number of times.
function p.navbox_row(row_content, is_content_navbox)
	local is_navbox = is_navbox or false
	local header = row_content["Header"]
	local data = row_content["Data"]
	
	local row = {}
	if header and data then
		-- Row is a header+data row
		local header_style = '! style="white-space: nowrap; font-size: 0.9em; width: 5%; text-align: right; background-color: #1a1c20; padding: 0.25em 0.5em; border: 1px solid white;" |'
		local data_style = is_content_navbox
			and '| style="padding: 0;" |\n'									-- For nested navboxes; endline required for nested navboxes to work properly
			or  '| style="font-size: 0.9em; padding: 0.25em 0.5em;" |'		-- For normal content; endline not needed as adding it makes rows too thick

		table.insert(row, "|-")
		table.insert(row, header_style .. header)
		table.insert(row, data_style .. data)
	elseif data and not header then
		-- Row is a headerless data row
		local data_style = is_content_navbox
			and '| style="padding: 0; colspan="2" |\n'									-- For nested navboxes
			or  '| style="font-size: 0.9em; padding: 0.25em 0.5em;" colspan="2" |'		-- For normal content
		
		table.insert(row, "|-")
		table.insert(row, data_style .. data)
	elseif header and not data then
		-- Row is a dataless header row
		local data_style = is_content_navbox
			and '! style="padding: 0;" colspan="2" |\n'							-- For nested navboxes; in case nav elements are ever added here, such as numlinks
			or  '! style="white-space: nowrap; font-size: 0.9em; width: 5%; background-color: #1a1c20; padding: 0.25em 0.5em; border: 1px solid white;" colspan="2" |'
		
		table.insert(row, "|-")
		table.insert(row, data_style .. header)
	end

	return table.concat(row, "\n")
end

-- Header/footer row helper function
-- Called up to twice on a table.
function p.navbox_header_footer(row_content)
	local row = "|-\n"
		.. '| colspan="2" style="font-size: 0.8em; text-align: center; background-color: #1a1c20; padding: 0em; border: 1px solid white;" | '
		.. row_content --.. "\n"

	return row
end

-- Navbox title helper function
-- Up to one title helper is called per table; this is expected to be called in
-- most cases, however.
function p.navbox_title(title, is_collapsible, name)
	local is_root_navbox = (is_root_navbox == nil and is_root_navbox or true)		-- If not specified, default to TRUE
	local has_navbar = name ~= nil
	local navbox_title = ''
	if title ~= nil then
		navbox_title = "|-\n"
			.. '! style="text-align: center; background-color: #1a1c20; white-space: nowrap; margin: 0em 4em 0em 4em;'
			.. 'padding: 0.25em 0.5em; border: 1px solid white;" colspan="2" | ' 
			.. '<span style="display: inline-block; float: left; text-align: left; font-weight: normal; font-style: normal; min-width: 4em; padding: 0px; margin: 0px;">'
			.. (has_navbar and navbar(name, "mini", "") or "") .. '</span>'
			.. '<span style="font-size: 1.05em;">' .. title .. "</span>"
			.. (is_collapsible and '' or '<span style="display: inline-block; float: right; font-size: 0.8em; width: 5em;">&nbsp;</span>')
			--.. '\n'
	end
	return navbox_title
end

-- Navbox title for nested navboxes or subheader (subcategory) navboxes
-- Up to one title helper is called per table; not always necessray if the table
-- is used for subcategories.
function p.nested_navbox_title(title, is_collapsible)
	local navbox_title = ''
	if title ~= nil then
		navbox_title = "|-\n"
			.. '! style="text-align: center; background-color: #1a1c20; white-space: nowrap; margin: 0em 4em 0em 4em;'
			.. 'padding: 0.25em 0.5em; border: 1px solid white;" colspan="2" | ' 
			.. (is_collapsible and '<span style="display: inline-block; float: left; min-width: 4em; padding: 0px; margin: 0px;">&nbsp;</span>' or '')
			.. '<span style="font-size: 0.9em;">' .. title .. "</span>"
			--.. '\n'
	end
	return navbox_title
end

-- "Main" function
-- Navbox to be called by other modules; also called by wrapper function
function p._navbox(args)
	local title           = args["Title"] or "Navbox Title"
	local name            = args["name"]
	local rows            = args["Rows"]
	local is_data_navbox  = args["Is Data Navbox"]
	local is_collapsible  = yesno(args["Is Collapsible"], true )
	local is_collapsed    = yesno(args["Is Collapsed"  ], false)
	local navbox_type     = ((args["Navbox Type"] == nil) and "Normal" or args["Navbox Type"])
	local header_row      = args["Header Row"]
	local footer_row      = args["Footer Row"]

	-- Table that holds individual lines
	local navbox = {}

	if navbox_type == "Nested" then
		-- Build a navbox that lies within another navbox
		table.insert(navbox, '<div class="wikitable" style="overflow-x: auto; padding: 0; margin: 2px;">')
		table.insert(navbox,
			'{| style="mw-border-collapse: collapse; border-spacing: 0; margin: 0; width: 100%;"'
			.. (is_collapsible and (' class="mw-collapsible' .. (is_collapsed and ' mw-collapsed"' or '"')) or '')
		)

		-- Title row
		table.insert(navbox, p.nested_navbox_title(title, is_collapsible))
		
		-- Header row
		if header_row then
			table.insert(navbox, p.navbox_header_footer(header_row))
		end

		-- Data rows
		for i = 1, #rows do
			table.insert(navbox, p.navbox_row(rows[i], is_data_navbox[i]))
		end

		-- Footer rows
		if footer_row then
			table.insert(navbox, p.navbox_header_footer(footer_row))
		end

		-- End of table
		table.insert(navbox, '|}')
		table.insert(navbox, '</div>')

	elseif navbox_type == "Subheader" then
		-- Build a navbox that lies within another navbox
		-- This one serves as subcategories for one row
		table.insert(navbox, '{| style="mw-border-collapse: collapse; border-spacing: 0; margin: 0; width: 100%;"')
		
		-- Title (optional)
		table.insert(navbox, p.nested_navbox_title(title, false))

		-- Rows
		for i = 1, #rows do
			table.insert(navbox, p.navbox_row(rows[i], is_data_navbox[i]))
		end

		-- End of table
		table.insert(navbox, '|}')

	else -- Normal
		table.insert(navbox, '<div class="wikitable" style="overflow-x: auto; padding: 0">')
		table.insert(navbox,
			'{| style="mw-border-collapse: collapse; border-spacing: 0; margin: 0; width: 100%;"'
			.. (is_collapsible and (' class="mw-collapsible' .. (is_collapsed and ' mw-collapsed"' or '"')) or '')
		)

		-- Title
		table.insert(navbox, p.navbox_title(title, is_collapsible, name))

		-- Header
		if header_row then
			table.insert(navbox, p.navbox_header_footer(header_row))
		end

		-- Rows
		for i = 1, #rows do
			table.insert(navbox, p.navbox_row(rows[i], is_data_navbox[i]))
		end
		
		-- Footer
		if footer_row then
			table.insert(navbox, p.navbox_header_footer(footer_row))
		end

		-- End of table
		table.insert(navbox, '|}')
		table.insert(navbox, '</div>')
	end

	return table.concat(navbox, '\n')
end

-- Wrapper function for template-based navboxes
function p.navbox(frame)
	local args = getArgs(frame)
	
	-- Preprocess bools for rows that indicate whether that row is a nested
	-- navbox. A row is considered valid if it has either a header or data. If
	-- a bool exists but not its header or data, it's skipped. If a valid row
	-- exists but not its bool, it defaults to false.
	local is_data_navbox = {}
	for i = 1, 30 do
		local header = args["Header " .. i]
		local data   = args["Data "   .. i]
		local key = string.format("Is Data %d Navbox", i)
		
		if header or data then
			table.insert(is_data_navbox, args[key] or false)
		end

		args[key] = nil
	end
	args["Is Data Navbox"] = is_data_navbox
	
	-- Preprocess individual entries for headers and data
	local rows = tiu.numbered_header_data_args_to_table(args, 30)
	args["Rows"] = rows
	
	local result = p._navbox(args)
	
	-- Debugger option
	local debugg = yesno(args["debug"])
	if debugg == true then
		result = "<syntaxhighlight lang=\"wikitext\">" .. result .. "</syntaxhighlight>"
	end
	
	return frame:preprocess(result)
end

function p.tester()
	local row_content = {  ["Header"] = "AAA" }
	return p.navbox_row(row_content, false)
end

return p