モジュール:Navboxのソースを表示

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--
-- This module implements {{Navbox}}
--

local p = {}

local navbar = require('Module:Navbar')._navbar
local getArgs -- lazily initialized

local args
local border
local listnums
local ODD_EVEN_MARKER = '\127_ODDEVEN_\127'
local RESTART_MARKER = '\127_ODDEVEN0_\127'
local REGEX_MARKER = '\127_ODDEVEN(%d?)_\127'

local function striped(wikitext)
 -- Return wikitext with markers replaced for odd/even striping.
 -- Child (subgroup) navboxes are flagged with a category that is removed
 -- by parent navboxes. The result is that the category shows all pages
 -- where a child navbox is not contained in a parent navbox.
 local orphanCat = '[[Category:孤立したナビゲーションテンプレート]]'
 if border == 'subgroup' and args.orphan ~= 'yes' then
  -- No change; striping occurs in outermost navbox.
  return wikitext .. orphanCat
 end
 local first, second = 'odd', 'even'
 if args.evenodd then
  if args.evenodd == 'swap' then
   first, second = second, first
  else
   first = args.evenodd
   second = first
  end
 end
 local changer
 if first == second then
  changer = first
 else
  local index = 0
  changer = function (code)
   if code == '0' then
    -- Current occurrence is for a group before a nested table.
    -- Set it to first as a valid although pointless class.
    -- The next occurrence will be the first row after a title
    -- in a subgroup and will also be first.
    index = 0
    return first
   end
   index = index + 1
   return index % 2 == 1 and first or second
  end
 end
 local regex = orphanCat:gsub('([%[%]])', '%%%1')
 return (wikitext:gsub(regex, ''):gsub(REGEX_MARKER, changer))  -- () omits gsub count
end

local function processItem(item, nowrapitems)
 if item:sub(1, 2) == '{|' then
  -- Applying nowrap to lines in a table does not make sense.
  -- Add newlines to compensate for trim of x in |parm=x in a template.
  return '\n' .. item ..'\n'
 end
 if nowrapitems == 'yes' then
  local lines = {}
  for line in (item .. '\n'):gmatch('([^\n]*)\n') do
   local prefix, content = line:match('^([*:;#]+)%s*(.*)')
   if prefix and not content:match('^<span class="nowrap">') then
    line = prefix .. '<span class="nowrap">' .. content .. '</span>'
   end
   table.insert(lines, line)
  end
  item = table.concat(lines, '\n')
 end
 if item:match('^[*:;#]') then
  return '\n' .. item ..'\n'
 end
 return item
end

local function renderNavBar(titleCell)

 if args.navbar ~= 'off' and args.navbar ~= 'plain' and not (not args.name and mw.getCurrentFrame():getParent():getTitle():gsub('/sandbox$', '') == 'Template:Navbox') then
  titleCell:wikitext(navbar{
   args.name,
   mini = 1,
   fontstyle = (args.basestyle or '') .. ';' .. (args.titlestyle or '') .. ';background:none transparent;border:none;-moz-box-shadow:none;-webkit-box-shadow:none;box-shadow:none; padding:0;'
  })
 end

end

--
--   Title row
--
local function renderTitleRow(tbl)
 if not args.title then return end

 local titleRow = tbl:tag('tr')

 if args.titlegroup then
  titleRow
   :tag('th')
    :attr('scope', 'row')
    :addClass('navbox-group')
    :addClass(args.titlegroupclass)
    :cssText(args.basestyle)
    :cssText(args.groupstyle)
    :cssText(args.titlegroupstyle)
    :wikitext(args.titlegroup)
 end

 local titleCell = titleRow:tag('th'):attr('scope', 'col')

 if args.titlegroup then
  titleCell
   :css('border-left', '2px solid #fdfdfd')
   :css('width', '100%')
 end

 local titleColspan = 2
 if args.imageleft then titleColspan = titleColspan + 1 end
 if args.image then titleColspan = titleColspan + 1 end
 if args.titlegroup then titleColspan = titleColspan - 1 end

 titleCell
  :cssText(args.basestyle)
  :cssText(args.titlestyle)
  :addClass('navbox-title')
  :attr('colspan', titleColspan)

 renderNavBar(titleCell)

 titleCell
  :tag('div')
   -- id for aria-labelledby attribute
   :attr('id', mw.uri.anchorEncode(args.title))
   :addClass(args.titleclass)
   :css('font-size', '110%')
   :css('margin', '0 4em')
   :wikitext(processItem(args.title))
end

--
--   Above/Below rows
--

local function getAboveBelowColspan()
 local ret = 2
 if args.imageleft then ret = ret + 1 end
 if args.image then ret = ret + 1 end
 return ret
end

local function renderAboveRow(tbl)
 if not args.above then return end

 tbl:tag('tr')
  :tag('td')
   :addClass('navbox-abovebelow')
   :addClass(args.aboveclass)
   :cssText(args.basestyle)
   :cssText(args.abovestyle)
   :attr('colspan', getAboveBelowColspan())
   :tag('div')
    -- id for aria-labelledby attribute, if no title
    :attr('id', args.title and nil or mw.uri.anchorEncode(args.above))
    :wikitext(processItem(args.above, args.nowrapitems))
end

local function renderBelowRow(tbl)
 if not args.below then return end

 tbl:tag('tr')
  :tag('td')
   :addClass('navbox-abovebelow')
   :addClass(args.belowclass)
   :cssText(args.basestyle)
   :cssText(args.belowstyle)
   :attr('colspan', getAboveBelowColspan())
   :tag('div')
    :wikitext(processItem(args.below, args.nowrapitems))
end

--
--   List rows
--
local function renderListRow(tbl, index, listnum)
 local row = tbl:tag('tr')

 if index == 1 and args.imageleft then
  row
   :tag('td')
    :addClass('navbox-image')
    :addClass(args.imageclass)
    :css('width', '1px')               -- Minimize width
    :css('padding', '0px 2px 0px 0px')
    :cssText(args.imageleftstyle)
    :attr('rowspan', #listnums)
    :tag('div')
     :wikitext(processItem(args.imageleft))
 end

 if args['group' .. listnum] then
  local groupCell = row:tag('th')

  -- id for aria-labelledby attribute, if lone group with no title or above
  if listnum == 1 and not (args.title or args.above or args.group2) then
   groupCell
    :attr('id', mw.uri.anchorEncode(args.group1))
  end

  groupCell
   :attr('scope', 'row')
   :addClass('navbox-group')
   :addClass(args.groupclass)
   :cssText(args.basestyle)
            :css('width', args.groupwidth or '1%') -- If groupwidth not specified, minimize width

  groupCell
   :cssText(args.groupstyle)
   :cssText(args['group' .. listnum .. 'style'])
   :wikitext(args['group' .. listnum])
 end

 local listCell = row:tag('td')

 if args['group' .. listnum] then
  listCell
   :css('text-align', 'left')
   :css('border-left-width', '2px')
   :css('border-left-style', 'solid')
 else
  listCell:attr('colspan', 2)
 end

 if not args.groupwidth then
  listCell:css('width', '100%')
 end

 local rowstyle  -- usually nil so cssText(rowstyle) usually adds nothing
 if index % 2 == 1 then
  rowstyle = args.oddstyle
 else
  rowstyle = args.evenstyle
 end

 local listText = args['list' .. listnum]
 local oddEven = ODD_EVEN_MARKER
 if listText:sub(1, 12) == '</div><table' then
  -- Assume list text is for a subgroup navbox so no automatic striping for this row.
  oddEven = listText:find('<th[^>]*"navbox%-title"') and RESTART_MARKER or 'odd'
 end
 listCell
  :css('padding', '0px')
  :cssText(args.liststyle)
  :cssText(rowstyle)
  :cssText(args['list' .. listnum .. 'style'])
  :addClass('navbox-list')
  :addClass('navbox-' .. oddEven)
  :addClass(args.listclass)
  :addClass(args['list' .. listnum .. 'class'])
  :tag('div')
   :css('padding', (index == 1 and args.list1padding) or args.listpadding or '0em 0.25em')
   :wikitext(processItem(listText, args.nowrapitems))

 if index == 1 and args.image then
  row
   :tag('td')
    :addClass('navbox-image')
    :addClass(args.imageclass)
    :css('width', '1px')               -- Minimize width
    :css('padding', '0px 0px 0px 2px')
    :cssText(args.imagestyle)
    :attr('rowspan', #listnums)
    :tag('div')
     :wikitext(processItem(args.image))
 end
end


--
--   Tracking categories
--

local function needsHorizontalLists()
 if border == 'subgroup' or args.tracking == 'no' then
  return false
 end
 local listClasses = {
  ['plainlist'] = true, ['hlist'] = true, ['hlist hnum'] = true,
  ['hlist hwrap'] = true, ['hlist vcard'] = true, ['vcard hlist'] = true,
  ['hlist vevent'] = true,
 }
 return not (listClasses[args.listclass] or listClasses[args.bodyclass])
end

local function hasBackgroundColors()
 for _, key in ipairs({'titlestyle', 'groupstyle', 'basestyle', 'abovestyle', 'belowstyle'}) do
  if tostring(args[key]):find('background', 1, true) then
   return true
  end
 end
end

local function hasBorders()
 for _, key in ipairs({'groupstyle', 'basestyle', 'abovestyle', 'belowstyle'}) do
  if tostring(args[key]):find('border', 1, true) then
   return true
  end
 end
end

local function isIllegible()
 local styleratio = require('Module:Color contrast')._styleratio

 for key, style in pairs(args) do
  if tostring(key):match("style$") then
   if styleratio{mw.text.unstripNoWiki(style)} < 4.5 then
    return true
   end
  end
 end
 return false
end

local function getTrackingCategories()
 local cats = {}
    if needsHorizontalLists() then table.insert(cats, 'Hlistを指定していないナビゲーションテンプレート') end
    if hasBackgroundColors() then table.insert(cats, '背景色を指定しているナビゲーションテンプレート') end
    if isIllegible() then table.insert(cats, '読みにくい可能性があるナビゲーションテンプレート') end
 if hasBorders() then table.insert(cats, 'ボーダーを指定しているナビゲーションテンプレート') end
 return cats
end

local function renderTrackingCategories(builder)
 local title = mw.title.getCurrentTitle()
 if title.namespace ~= 10 then return end -- not in template space
 local subpage = title.subpageText
 if subpage == 'doc' or subpage == 'sandbox' or subpage == 'testcases' then return end

 for _, cat in ipairs(getTrackingCategories()) do
  builder:wikitext('[[Category:' .. cat .. ']]')
 end
end

--
--   Main navbox tables
--
local function renderMainTable()
 local tbl = mw.html.create('table')
  :addClass('nowraplinks')
  :addClass(args.bodyclass)

 if args.title and (args.state ~= 'plain' and args.state ~= 'off') then
  if args.state == 'collapsed' then args.state = 'mw-collapsed' end
  tbl
   :addClass('mw-collapsible')
   :addClass(args.state or 'autocollapse')
 end

 tbl:css('border-spacing', 0)
 if border == 'subgroup' or border == 'none' then
  tbl
   :addClass('navbox-subgroup')
   :cssText(args.bodystyle)
   :cssText(args.style)
 else  -- regular navbox - bodystyle and style will be applied to the wrapper table
  tbl
   :addClass('navbox-inner')
   :css('background', 'transparent')
   :css('color', 'inherit')
 end
 tbl:cssText(args.innerstyle)

 renderTitleRow(tbl)
 renderAboveRow(tbl)
 for i, listnum in ipairs(listnums) do
  renderListRow(tbl, i, listnum)
 end
 renderBelowRow(tbl)

 return tbl
end

function p._navbox(navboxArgs)
 args = navboxArgs
 listnums = {}

 for k, _ in pairs(args) do
  if type(<span class="ltr">k</span>) == 'string' then
   local listnum = k:match('^list(%d+)$')
   if listnum then table.insert(listnums, tonumber(listnum)) end
  end
 end
 table.sort(listnums)

 border = mw.text.trim(args.border or args[<span class="ltr">1</span>] or '')
 if border == 'child' then
  border = 'subgroup'
 end

 -- render the main body of the navbox
 local tbl = renderMainTable()

 -- render the appropriate wrapper around the navbox, depending on the border param
 local res = mw.html.create()
 if border == 'none' then
  local nav = res:tag('div')
   :attr('role', 'navigation')
   :node(tbl)
  -- aria-labelledby title, otherwise above, otherwise lone group
  if args.title or args.above or (args.group1 and not args.group2) then
   nav:attr('aria-labelledby', mw.uri.anchorEncode(args.title or args.above or args.group1))
  else
   nav:attr('aria-label', 'Navbox')
  end
 elseif border == 'subgroup' then
  -- We assume that this navbox is being rendered in a list cell of a parent navbox, and is
  -- therefore inside a div with padding:0em 0.25em. We start with a </div> to avoid the
  -- padding being applied, and at the end add a <div> to balance out the parent's </div>
  res
   :wikitext('</div>')
   :node(tbl)
   :wikitext('<div>')
 else
  local nav = res:tag('div')
   :attr('role', 'navigation')
   :addClass('navbox')
   :addClass(args.navboxclass)
   :cssText(args.bodystyle)
   :cssText(args.style)
   :css('padding', '3px')
   :node(tbl)
  -- aria-labelledby title, otherwise above, otherwise lone group
  if args.title or args.above or (args.group1 and not args.group2) then
   nav:attr('aria-labelledby', mw.uri.anchorEncode(args.title or args.above or args.group1))
  else
   nav:attr('aria-label', 'Navbox')
  end
 end

 if (args.nocat or 'false'):lower() == 'false' then
  renderTrackingCategories(res)
 end

 return striped(tostring(res))
end

function p.navbox(frame)
 if not getArgs then
  getArgs = require('Module:Arguments').getArgs
 end
 args = getArgs(frame, {wrappers = {'Template:Navbox', 'Template:Navbox subgroup'}})
 if frame.args.border then
  -- This allows Template:Navbox_subgroup to use {{#invoke:Navbox|navbox|border=...}}.
  args.border = frame.args.border
 end

 -- Read the arguments in the order they'll be output in, to make references number in the right order.
 local _
 _ = args.title
 _ = args.above
 for i = 1, 20 do
  _ = args["group" .. tostring(<span class="ltr">i</span>)]
  _ = args["list" .. tostring(<span class="ltr">i</span>)]
 end
 _ = args.below

 return p._navbox(args)
end

return p

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