Module:Tabber

Implements {{Tabber}} and {{SubTabs}}.

---

local p = {}
local getArgs = require( 'Module:Arguments' ).getArgs

-- Implements Template:SubTabs.

function p.sub(frame)
  local args = getArgs(frame, {
    wrappers = {
      'Template:SubTabs'
    }
  })
  local main = args[1] or mw.title.getCurrentTitle().baseText -- Use {{BASEPAGENAME}} if no page is given.
  local disp = string.match(main, "^(.+)%s+%(") or args['disp'] -- does not display discriminators in parenthesis
  local subpage = function( page ) return main .. '/' .. page end
  local sub = function( number ) if args['sub' .. number] then return subpage( args['sub' .. number] ) end end
  
  local tabs = { 
    ['this'] = args['this'],
    
    ['link1'] = main,
    ['name1'] = disp,
    
    ['link2'] = sub( '1' ),
    ['name2'] = args['sub1'],
    
    ['link3'] = sub( '2' ),
    ['name3'] = args['sub2'],
    
    ['link4'] = sub( '3' ),
    ['name4'] = args['sub3'],
    
    ['link5'] = sub( '4' ),
    ['name5'] = args['sub4'],

    ['link6'] = sub( '5' ),
    ['name6'] = args['sub5'],

    ['link7'] = sub( '6' ),
    ['name7'] = args['sub6'],
    
    ['link8'] = sub( '7' ),
    ['name8'] = args['sub7'],
    
    ['link9'] = sub( '8' ),
    ['name9'] = args['sub8'],
    
    ['link10'] = sub( '9' ),
    ['name10'] = args['sub9'],
    
    ['link11'] = sub( '10' ),
    ['name11'] = args['sub10'],
    
    ['link12'] = sub( '11' ),
    ['name12'] = args['sub11'],
    
    ['link13'] = sub( '12' ),
    ['name13'] = args['sub12'],
    
    ['link14'] = sub( '13' ),
    ['name14'] = args['sub13'],
    
    ['link15'] = sub( '14' ),
    ['name15'] = args['sub14'],
  }
  
  return p._main( tabs )
end


-- Implements Template:Tabber.
function p.main(frame)
  local args = getArgs(frame, {
    wrappers = {
      'Template:Tabber'
    }
  })
  return p._main( args )
end

function p._main( args )
  local current_page = args['this'] or mw.title.getCurrentTitle().prefixedText

  local rows = {}
  for n=1,15 do
    if args['link' .. n] then
      -- Use the link as the name if none is given.
      local name = args['name' .. n] or args['link' .. n]
      if args['link' .. n] == current_page then
        -- The active tab.
        table.insert( rows, string.format( '<div class="page-tabber-tab active-tab">%s</div>', name ) )
      else
        -- The inactive tabs.
        local link = string.format( '[[%s|%s]]', args['link' .. n], name )
        table.insert( rows, string.format( '<div class="page-tabber-tab inactive-tab">%s</div>', link ) )
      end
    end
  end
  
  -- The separator is used for the space between two tabs.
  local separator = '\n<div class="page-tabber-separator">&nbsp;</div>\n'
  -- The tail fills the space between the last tab and the end of the line.
  local tail = '<div class="page-tabber-separator tail">&nbsp;</div>'
  
  return string.format( '<div id="pageTabber" class="page-tabber">\n%s\n%s\n</div>', table.concat( rows, separator ), tail )
end

return p