پودمان:Infobox

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--

-- This module implements

--

local p = {}

local navbar = require('Module:Navbar')._navbar

local args = {} local origArgs local root

local function union(t1, t2)

   -- Returns the union of the values of two tables, as a sequence.
   local vals = {}
   for k, v in pairs(t1) do
       vals[v] = true
   end
   for k, v in pairs(t2) do
       vals[v] = true
   end
   local ret = {}
   for k, v in pairs(vals) do
       table.insert(ret, k)
   end
   return ret

end

local function getArgNums(prefix)

   -- Returns a table containing the numbers of the arguments that exist
   -- for the specified prefix. For example, if the prefix was 'data', and
   -- 'data1', 'data2', and 'data5' exist, it would return {1, 2, 5}.
   local nums = {}
   for k, v in pairs(args) do
       local num = tostring(k):match('^' .. prefix .. '([1-9]%d*)$')
       if num then table.insert(nums, tonumber(num)) end
   end
   table.sort(nums)
   return nums

end

local function addRow(rowArgs)

   -- Adds a row to the infobox, with either a header cell
   -- or a label/data cell combination.
   if rowArgs.header then
       root
           :tag('tr')
               :addClass(rowArgs.rowclass)
               :cssText(rowArgs.rowstyle)
               :attr('id', rowArgs.rowid)
               :tag('th')
                   :attr('colspan', 2)
                   :attr('id', rowArgs.headerid)
                   :addClass(rowArgs.class)
                   :addClass(args.headerclass)
                   :css('text-align', 'center')
                   :cssText(args.headerstyle)
                   :wikitext(rowArgs.header)
   elseif rowArgs.data then
       local row = root:tag('tr')
       row:addClass(rowArgs.rowclass)
       row:cssText(rowArgs.rowstyle)
       row:attr('id', rowArgs.rowid)
       if rowArgs.label then
           row
               :tag('th')
                   :attr('scope', 'row')
                   :attr('id', rowArgs.labelid)
                   :cssText(args.labelstyle)
                   :wikitext(rowArgs.label)
                   :done()
       end
       
       local dataCell = row:tag('td')
       if not rowArgs.label then 
           dataCell
               :attr('colspan', 2)
               :css('text-align', 'center') 
       end
       dataCell
           :attr('id', rowArgs.dataid)
           :addClass(rowArgs.class)
           :cssText(rowArgs.datastyle)
           :newline()
           :wikitext(rowArgs.data)
   end

end

local function renderTitle()

   if not args.title then return end
   root
       :tag('caption')
           :addClass(args.titleclass)
           :cssText(args.titlestyle)
           :wikitext(args.title)

end

local function renderAboveRow()

   if not args.above then return end
   
   root
       :tag('tr')
           :tag('th')
               :attr('colspan', 2)
               :addClass(args.aboveclass)
               :css('text-align', 'center')
               :css('font-size', '125%')
               :css('font-weight', 'bold')
               :cssText(args.abovestyle)
               :wikitext(args.above)

end

local function renderBelowRow()

   if not args.below then return end
   
   root
       :tag('tr')
           :tag('td')
               :attr('colspan', '2')
               :addClass(args.belowclass)
               :css('text-align', 'center')
               :cssText(args.belowstyle)
               :newline()
               :wikitext(args.below)

end

local function renderSubheaders()

   if args.subheader then
       args.subheader1 = args.subheader
   end
   if args.subheaderrowclass then
       args.subheaderrowclass1 = args.subheaderrowclass
   end
   local subheadernums = getArgNums('subheader')
   for k, num in ipairs(subheadernums) do
       addRow({
           data = args['subheader' .. tostring(num)],
           datastyle = args.subheaderstyle or args['subheaderstyle' .. tostring(num)],
           class = args.subheaderclass,
           rowclass = args['subheaderrowclass' .. tostring(num)]
       })
   end

end

local function renderImages()

   if args.image then
       args.image1 = args.image
   end
   if args.caption then
       args.caption1 = args.caption
   end
   local imagenums = getArgNums('image')
   for k, num in ipairs(imagenums) do
       local caption = args['caption' .. tostring(num)]
       local data = mw.html.create():wikitext(args['image' .. tostring(num)])
       if caption then
           data
               :tag('div')
                   :cssText(args.captionstyle)
                   :wikitext(caption)
       end
       addRow({
           data = tostring(data),
           datastyle = args.imagestyle,
           class = args.imageclass,
           rowclass = args['imagerowclass' .. tostring(num)]
       })
   end

end

local function renderRows()

   -- Gets the union of the header and data argument numbers,
   -- and renders them all in order using addRow.
   local rownums = union(getArgNums('header'), getArgNums('data'))
   table.sort(rownums)
   for k, num in ipairs(rownums) do
       addRow({
           header = args['header' .. tostring(num)],
           label = args['label' .. tostring(num)],
           data = args['data' .. tostring(num)],
           datastyle = args.datastyle,
           class = args['class' .. tostring(num)],
           rowclass = args['rowclass' .. tostring(num)],
           rowstyle = args['rowstyle' .. tostring(num)],
           dataid = args['dataid' .. tostring(num)],
           labelid = args['labelid' .. tostring(num)],
           headerid = args['headerid' .. tostring(num)],
           rowid = args['rowid' .. tostring(num)]
       })
   end

end

local function renderNavBar()

   if not args.name then return end
   
   root
       :tag('tr')
           :tag('td')
               :attr('colspan', '2')
               :css('text-align', 'right')
               :wikitext(navbar{
                   args.name,
                   mini = 1,
               })

end

local function renderItalicTitle()

   local italicTitle = args['italic title'] and mw.ustring.lower(args['italic title'])
   if italicTitle ==  or italicTitle == 'force' or italicTitle == 'yes' then
       root:wikitext(mw.getCurrentFrame():expandTemplate({title = 'italic title'}))
   end

end

local function renderTrackingCategories()

   if args.decat ~= 'yes' then
       if #(getArgNums('data')) == 0 and mw.title.getCurrentTitle().namespace == 0 then
           root:wikitext()
       end
       if args.child == 'yes' and args.title then
           root:wikitext()
       end
   end

end

local function _infobox()

   -- Specify the overall layout of the infobox, with special settings
   -- if the infobox is used as a 'child' inside another infobox.
   if args.child ~= 'yes' then
       root = mw.html.create('table')
       
       root
           :addClass('infobox')
           :addClass(args.bodyclass)
           
           if args.subbox == 'yes' then
               root
                   :css('padding', '0')
                   :css('border', 'none')
                   :css('margin', '-3px')
                   :css('width', 'auto')
                   :css('min-width', '100%')
                   :css('font-size', '100%')
                   :css('clear', 'none')
                   :css('float', 'none')
                   :css('background-color', 'transparent')
           else
               root
                   :css('width', '22em')
           end
       root
           :cssText(args.bodystyle)
   
       renderTitle()
       renderAboveRow()
   else
       root = mw.html.create()
       
       root
           :wikitext(args.title)
   end
   renderSubheaders()
   renderImages() 
   renderRows() 
   renderBelowRow()  
   renderNavBar()
   renderItalicTitle()
   renderTrackingCategories()
   
   return tostring(root)

end

local function preprocessSingleArg(argName)

   -- If the argument exists and isn't blank, add it to the argument table.
   -- Blank arguments are treated as nil to match the behaviour of ParserFunctions.
   if origArgs[argName] and origArgs[argName] ~=  then
       args[argName] = origArgs[argName]
   end

end

local function preprocessArgs(prefixTable, step)

   -- Assign the parameters with the given prefixes to the args table, in order, in batches
   -- of the step size specified. This is to prevent references etc. from appearing in the
   -- wrong order. The prefixTable should be an array containing tables, each of which has
   -- two possible fields, a "prefix" string and a "depend" table. The function always parses
   -- parameters containing the "prefix" string, but only parses parameters in the "depend"
   -- table if the prefix parameter is present and non-blank.
   if type(prefixTable) ~= 'table' then
       error("Non-table value detected for the prefix table", 2)
   end
   if type(step) ~= 'number' then
       error("Invalid step value detected", 2)
   end
   
   -- Get arguments without a number suffix, and check for bad input.
   for i,v in ipairs(prefixTable) do
       if type(v) ~= 'table' or type(v.prefix) ~= "string" or (v.depend and type(v.depend) ~= 'table') then
           error('Invalid input detected to preprocessArgs prefix table', 2)
       end
       preprocessSingleArg(v.prefix)
       -- Only parse the depend parameter if the prefix parameter is present and not blank.
       if args[v.prefix] and v.depend then
           for j, dependValue in ipairs(v.depend) do
               if type(dependValue) ~= 'string' then
                   error('Invalid "depend" parameter value detected in preprocessArgs')
               end
               preprocessSingleArg(dependValue)
           end
       end
   end
   -- Get arguments with number suffixes.
   local a = 1 -- Counter variable.
   local moreArgumentsExist = true
   while moreArgumentsExist == true do
       moreArgumentsExist = false
       for i = a, a + step - 1 do
           for j,v in ipairs(prefixTable) do
               local prefixArgName = v.prefix .. tostring(i)
               if origArgs[prefixArgName] then
                   moreArgumentsExist = true -- Do another loop if any arguments are found, even blank ones.
                   preprocessSingleArg(prefixArgName)
               end
               -- Process the depend table if the prefix argument is present and not blank, or
               -- we are processing "prefix1" and "prefix" is present and not blank, and
               -- if the depend table is present.
               if v.depend and (args[prefixArgName] or (i == 1 and args[v.prefix])) then
                   for j,dependValue in ipairs(v.depend) do
                       local dependArgName = dependValue .. tostring(i)
                       preprocessSingleArg(dependArgName)
                   end
               end
           end
       end
       a = a + step
   end

end

function p.infobox(frame)

   -- If called via #invoke, use the args passed into the invoking template.
   -- Otherwise, for testing purposes, assume args are being passed directly in.
   if frame == mw.getCurrentFrame() then
       origArgs = frame:getParent().args
   else
       origArgs = frame
   end
   

-- Parse the data parameters in the same order that the old

did, so that

   -- references etc. will display in the expected places. Parameters that depend on
   -- another parameter are only processed if that parameter is present, to avoid
   -- phantom references appearing in article reference lists.
   preprocessSingleArg('child')
   preprocessSingleArg('bodyclass')
   preprocessSingleArg('subbox')
   preprocessSingleArg('bodystyle')
   preprocessSingleArg('title')
   preprocessSingleArg('titleclass')
   preprocessSingleArg('titlestyle')
   preprocessSingleArg('above')
   preprocessSingleArg('aboveclass')
   preprocessSingleArg('abovestyle')
   preprocessArgs({
       {prefix = 'subheader', depend = {'subheaderstyle', 'subheaderrowclass'}}
   }, 10)
   preprocessSingleArg('subheaderstyle')
   preprocessSingleArg('subheaderclass')
   preprocessArgs({
       {prefix = 'image', depend = {'caption', 'imagerowclass'}}
   }, 10)
   preprocessSingleArg('captionstyle')
   preprocessSingleArg('imagestyle')
   preprocessSingleArg('imageclass')
   preprocessArgs({
       {prefix = 'header'},
       {prefix = 'data', depend = {'label'}},
       {prefix = 'rowclass'},
       {prefix = 'rowstyle'},
       {prefix = 'class'},
       {prefix = 'dataid'},
       {prefix = 'labelid'},
       {prefix = 'headerid'},
       {prefix = 'rowid'}
   }, 50)
   preprocessSingleArg('headerclass')
   preprocessSingleArg('headerstyle')
   preprocessSingleArg('labelstyle')
   preprocessSingleArg('datastyle')
   preprocessSingleArg('below')
   preprocessSingleArg('belowclass')
   preprocessSingleArg('belowstyle')
   preprocessSingleArg('name')
   args['italic title'] = origArgs['italic title'] -- different behaviour if blank or absent
   preprocessSingleArg('decat')

   return _infobox()

end

return p