Mô đun:Portal navigation

local p = {}local yesno = require("Module:Yesno")function get_portalicon(portalicon)	if portalicon == nil then		return ''	end	return '<span style="padding:0.3em; display:inline-block;margin-right:0.5em;">' .. portalicon .. '</span>'endfunction converttolinearrgb(c)	c = tonumber(c, 16)	c = c / 255.0	if c <= 0.03928 then		c = c/12.92	else		c = ((c+0.055)/1.055) ^ 2.4	end		return cendfunction p.render(frame)	-- Default values	portalname = 'Portal'	tabs = {}	subtabs = {}	wrc = 0	-- Default values (customizations)	themecolor = '#54595d'	headerstyle = ''	tabsicons = {}	wrcadditional = nil		-- Populating variables	for key, value in pairs(frame:getParent().args) do		if key == 'portalname' then			portalname = value		elseif key == 'portalicon' then			portalicon = value		elseif key == 'active' then			active = tonumber(value)		elseif key == 'wrc' then			wrc = value		elseif key == 'themecolor' then			themecolor = value		elseif key == 'headerstyle' then			headerstyle = value		elseif key == 'hidenav' then			hidenav = yesno(value)		elseif key == 'hidesubnav' then			hidesubnav = yesno(value)		elseif key == 'wrcadditional' then			wrcadditional = value		elseif string.find(key, 'tab') ~= nil		and string.find(key, 'subtab') == nil then  -- matches tab1, tab2, ...    		id = string.gsub(key, 'tab', '')    		id = tonumber(id)    		tabs[id] = value    	elseif string.find(key, 'icon') ~= nil then -- matches icon1, icon2, etc.    		id = string.gsub(key, 'icon', '')    		id = tonumber(id)    		tabsicons[id] = value    	elseif string.find(key, 'subtab') ~= nil then -- matches subtab1-1, etc.    		id = string.gsub(key, 'subtab', '')    		-- Subtab params take the form [prime tab]-[sub tab]    		id = mw.text.split(id, '-')    		primetab = tonumber(id[1])    		subtab = tonumber(id[2])    		if subtabs[primetab] == nil then    			subtabs[primetab] = {}    		end    		subtabs[primetab][subtab] = value    	end	end		-- Constructing header	-- Relevant variables: portalname, wrc, themecolor, headerstyle		-- The text color in the header is automatically chosen based on the best contrast	-- https://stackoverflow.com/questions/3942878/how-to-decide-font-color-in-white-or-black-depending-on-background-color	headertextcolor = '#fff'		rgb = string.gsub(themecolor, '#', '')	rgb = mw.text.split(rgb, '')	if #rgb == 6 then		r = rgb[1] .. rgb[2]		g = rgb[3] .. rgb[4]		b = rgb[5] .. rgb[6]	elseif #rgb == 3 then		r = rgb[1] .. rgb[1]		g = rgb[2] .. rgb[2]		b = rgb[3] .. rgb[3]	end	r = converttolinearrgb(r)	g = converttolinearrgb(g)	b = converttolinearrgb(b)		luminance = 0.2126 * r + 0.7152 * g + 0.0722 * b		if luminance > 0.179 then		headertextcolor = '#000'	end	-- Applying customizations to headerstyle	if headerstyle ~= '' then		headerstyle = ' ' .. headerstyle	end	headerstyle = 'font-size:1.6875em; border-radius:2px; font-weight:bold;'		.. 'background:' .. themecolor .. '; color:' .. headertextcolor		.. '; padding:0.25em;'.. headerstyle		header = '<div style="' .. headerstyle .. '">'	header = header .. portalname .. get_portalicon(portalicon) .. '</div>'		if wrc == '1' or wrc == 1 or wrc == 'true' or wrc == true or wrc == 'yes' then		badgeargs = {}		if wrcadditional ~= nil then			badgeargs['additional'] = wrcadditional		end		header = frame:expandTemplate{			title = 'Wikimedia Resource Center badge',			args = badgeargs }			.. '\n\n' .. header	end		-- Constructing the rest	-- Relevant variables: themecolor tabs tabsicons active subtabs	body = ''	if hidenav ~= true then		body = body .. '<div style="font-size:1.125em; margin-bottom:1.125em;>'				for index, pagelink in ipairs(tabs) do			-- Open TOC entry container			containerstyle = 'display:inline-block; position:relative; vertical-align:top;'			body = body .. '<div style="' .. containerstyle .. '">'						-- Create the tab itself			entrystyle = 'display:inline-block; margin:1em; padding-bottom:0.5em; font-weight:bold;'			if index == active then				if subtabs[index] == nil or hidesubnav == true then					entrystyle = entrystyle .. ' border-bottom:0.3em solid ' .. themecolor .. ';'				else					entrystyle = entrystyle .. ' margin-bottom:0;'				end			else				entrystyle = entrystyle .. '  border-bottom:0.3em solid #c8ccd1;'			end						icon = ''			if tabsicons[index] ~= nil then				icon = '<span style="margin-right:0.75em;">'				icon = icon .. tabsicons[index] .. '</span>'			end						body = body				.. '<span style="' .. entrystyle .. '">'				.. icon .. pagelink				.. '</span>'						-- If the tab is active, show the subnav if there is any						if index == active and subtabs[index] ~= nil and hidesubnav ~= true then				body = body .. '<div style="font-size:95%; margin-left:1em; margin-right:1em; padding-top:1.125em; padding-bottom:1.125em; border-top:0.35em solid ' .. themecolor .. '; border-bottom:0.35em solid' .. themecolor .. ';">'								for subindex, subpagelink in ipairs(subtabs[index]) do					body = body .. subpagelink					if subindex ~= #subtabs[index] then						body = body .. '<br />'					end				end								body = body .. '</div>'			end						-- Close TOC entry container			body = body .. '</div>'		end			body = body .. '</div>'	end	return '<div>' .. header .. body .. '</div><div style="clear:both;"></div>'endreturn p