Module:Portal navigation

local p = {}

local function is_rtl(lang) return false end

function get_portalicon(portalicon, invert) if portalicon == nil then return end

local span = mw.html.create('span') :addClass('portal-navigation-portalicon') :wikitext(portalicon) if invert then span:addClass('invert-icon') end

return tostring(span) 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' invertportalicon = false tabs = {} subtabs = {} wrc = 0

-- Default values (customizations) themecolor = '#54595d' headerstyle = tabsicons = {} ff = nil lang = nil 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 == 'invertportalicon' then invertportalicon = true 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 == 'forceflip' then ff = value elseif key == 'lang' then lang = value elseif key == 'hidenav' then hidenav = value elseif key == 'hidesubnav' then hidesubnav = 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

if ff == 'yes' or ff == 'true' or ff == '1' then ff = true end

if hidenav == 'yes' or hidenav == 'true' or hidenav == '1' then hidenav = true end

if hidesubnav == 'yes' or hidesubnav == 'true' or hidesubnav == '1' then hidesubnav = true 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 headerstyle = 'background:' .. themecolor .. '; color:' .. headertextcolor .. ';' .. headerstyle

header = '

'

if ff ~= true or (ff == true and not is_rtl()) then

header = header .. get_portalicon(portalicon, invertportalicon) .. portalname .. '

'

else

header = header .. portalname .. get_portalicon(portalicon, invertportalicon) .. ''

end

if wrc == '1' or wrc == 1 or wrc == 'true' or wrc == true or wrc == 'yes' then badgeargs = {} if ff == true then badgeargs['forceflip'] = ff end 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 body = body .. '
• ' -- Create the tab itself local entryclass = 'portal-navigation-entry' local entrystyle = if index == active then if subtabs[index] == nil or hidesubnav == true then entrystyle = ' style="border-bottom-color:' .. themecolor .. ';"' else entryclass = entryclass .. ' portal-navigation-entry-has-subtabs' end end icon = if tabsicons[index] ~= nil then 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 _, subpagelink in ipairs(subtabs[index]) do body = body .. '
  • ' .. subpagelink .. '
  '

  end

  body = body .. '
  '

  end

  -- Close TOC entry container

  body = body .. '
'

end

body = body .. '

'

end

local templatestyles = frame:extensionTag('templatestyles', , {src = 'Module:Portal navigation/styles.css'})

local classes = 'portal-navigation' local attributes = if lang then attributes = ' lang="' .. lang .. '" dir="' .. (is_rtl(lang) and 'rtl' or 'ltr') .. '"' end if ff == true then classes = classes .. ' portal-navigation-force-' .. (is_rtl() and 'rtl' or 'ltr') end

return '

' .. templatestyles .. header .. body .. '

'

end

return p