Module:Box

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

-- This is the base module for creating boxes with common styling.
-- invoker args:
--   class
--   align ('left', 'right', 'center')
--   width (e.g. '250px')
--   title
--   titlealign ('left', 'right', 'center')
--   edit (e.g. 'Template:SomeNavbox') - adds an edit link to this page to the title bar
--   hide ('hide' or 'show') - adds a toggle button to the title bar which toggles visibility of the content, with the specified default state

local Box = {}
Box.__index = Box

function Box.new( boxType, args )
  local obj = {
    boxType = boxType,
    args = args,
    categories = {}
  }

  return setmetatable( obj, Box )
end

function Box:render()
  local root = mw.html.create( 'div' )
    :addClass( self.boxType == 'dark' and 'zdw-box--dark' or 'zdw-box' )
    :addClass( self.args.class )

    -- box styles
    if self.args.align == 'right'
      or self.args.align == 'left'
      or self.args.align == 'center'
      then root:addClass( self.args.align )
    end
    if self.args.width then root:css( 'width', self.args.width ) end

    if self.args.title then
      root:node( self:renderHeader() )
    end

    root:tag( 'div' )
      :addClass( self.args.hide and '_toggle_init' .. self.args.hide .. ' _toggle' )
      :node( self:renderContent() )

    if #self.categories > 0 then
      root:node( self:renderFooter() )
    end

  return tostring( root )
end

-- render title, with edit and toggle links if supplied
function Box:renderHeader()
  local header = mw.html.create( 'div' )
    :addClass( 'zdw-box__title' )
    :css( 'text-align', 'center' )
    :wikitext( self.args.title )

  if self.args.edit then
    header:tag( 'span' )
      :addClass( 'edit plainlinks' )
      :wikitext( '[' .. tostring( mw.uri.fullUrl( self.args.edit, { action = 'edit' } ) ) .. ' [edit]]' )
  end

  if self.args.hide then
    header:wikitext( mw.getCurrentFrame():expandTemplate{ title = 'Toggler', args = { default = self.args.hide } } )
  end

  return header
end

-- render content
function Box:renderContent()
  local content = mw.html.create( 'div' )
    :wikitext( self.args[1] )

  return tostring( content )
end

-- render footer with categories if provided
-- so far Module:Navigation is the only thing that uses a footer,
--   so this implementation is specific to that scenario.
--   If other scenarios come up, this should be moved to Module:Navigation
function Box:renderFooter()
  local footer = mw.html.create( 'div' )
    :addClass( 'zdw-box__title zdw-hlist' )
    :css( 'text-align', 'center' )

  local catlist = footer:tag( 'ul' )
  for i, v in ipairs( self.categories ) do
    catlist:tag( 'li' )
      :wikitext( mw.getCurrentFrame():expandTemplate{ title = 'Catlink', args = { [1] = v } } )
  end

  return tostring( footer )
end

local p, mt = {}, {}

p.Box = Box

function p._main( boxType, args )
  local box = Box.new( boxType, args )
  return box:render()
end

-- translates p.function( frame ) to p._main( function, args )
function mt.__index( table, key )
  return function ( frame )
    return table._main( key, frame.args )
  end
end

return setmetatable( p, mt )