Module:Portal navigation

local p = {} local yesno = require("Module:Yesno")

function get_portalicon(portalicon) if portalicon == nil then return '' end return ' ' .. portalicon .. ' ' end

function 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 c end

function 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 = ' ' header = header .. portalname .. get_portalicon(portalicon) .. ' '	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 .. ' '		for index, pagelink in ipairs(tabs) do			-- Open TOC entry container containerstyle = 'display:inline-block; position:relative; vertical-align:top;' body = body .. ' '			-- 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 = ' ' icon = icon .. tabsicons[index] .. ' '			end body = body .. ' '				.. icon .. pagelink .. ' '			-- 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 .. '' for subindex, subpagelink in ipairs(subtabs[index]) do body = body .. subpagelink if subindex ~= #subtabs[index] then body = body .. ' '					end end body = body .. ' '			end -- Close TOC entry container body = body .. ' '		end body = body .. ' '	end

return ' ' .. header .. body .. ' ' end

return p