模块:Navbox
来自「荏苒之境」
此模块的文档可以在模块:Navbox/doc创建
--
-- 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:Navbox orphans]]'
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
-- Separate function so that we can evaluate properly whether hlist should
-- be added by the module
local function has_navbar()
return args.navbar ~= 'off' and args.navbar ~= 'plain' and
(args.name or mw.getCurrentFrame():getParent():getTitle():gsub('/sandbox$', '') ~= 'Template:Navbox')
end
local function renderNavBar(titleCell)
if has_navbar() then
titleCell:wikitext(navbar{
args.name,
-- we depend on this being mini = 1 when the navbox module decides
-- to add hlist templatestyles. we also depend on navbar outputting
-- a copy of the hlist templatestyles.
mini = 1,
fontstyle = (args.basestyle or '') .. ';' .. (args.titlestyle or '') .. ';background:none transparent;border: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
:addClass('navbox-title1')
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', '114%')
: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
:addClass('navbox-list1')
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
-- there are a lot of list classes in the wild, so we have a function to find
-- them and add their TemplateStyles
local function addListStyles()
local frame = mw.getCurrentFrame()
-- TODO?: Should maybe take a table of classes for e.g. hnum, hwrap as above
-- I'm going to do the stupid thing first though
-- Also not sure hnum and hwrap are going to live in the same TemplateStyles
-- as hlist
local function _addListStyles(htmlclass, templatestyles)
local class_args = { -- rough order of probability of use
'bodyclass', 'listclass', 'aboveclass', 'belowclass', 'titleclass',
'navboxclass', 'groupclass', 'titlegroupclass', 'imageclass'
}
local patterns = {
'^' .. htmlclass .. '$',
'%s' .. htmlclass .. '$',
'^' .. htmlclass .. '%s',
'%s' .. htmlclass .. '%s'
}
local found = false
for _, arg in ipairs(class_args) do
for _, pattern in ipairs(patterns) do
if mw.ustring.find(args[arg] or '', pattern) then
found = true
break
end
end
if found then break end
end
if found then
return frame:extensionTag{
name = 'templatestyles', args = { src = templatestyles }
}
else
return ''
end
end
local hlist_styles = ''
-- navbar always has mini = 1, so here (on this wiki) we can assume that
-- we don't need to output hlist styles in navbox again.
if not has_navbar() then
hlist_styles = _addListStyles('hlist', 'Flatlist/styles.css')
end
local plainlist_styles = _addListStyles('plainlist', 'Plainlist/styles.css')
return hlist_styles .. plainlist_styles
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()
-- require('Module:Color contrast') absent on mediawiki.org
return false
end
local function getTrackingCategories()
local cats = {}
if needsHorizontalLists() then table.insert(cats, '没有使用水平列表的导航框') end
if hasBackgroundColors() then table.insert(cats, '使用背景颜色的导航框') end
if isIllegible() then table.insert(cats, '可能无效的导航框') end
if hasBorders() then table.insert(cats, '带有边框的导航框') 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(k) == '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[1] or '')
if border == 'child' then
border = 'subgroup'
end
-- render the main body of the navbox
local tbl = renderMainTable()
-- get templatestyles
local frame = mw.getCurrentFrame()
local base_templatestyles = frame:extensionTag{
name = 'templatestyles', args = { src = 'Module:Navbox/styles.css' }
}
local templatestyles = ''
if args.templatestyles and args.templatestyles ~= '' then
templatestyles = frame:extensionTag{
name = 'templatestyles', args = { src = args.templatestyles }
}
end
local res = mw.html.create()
-- 'navbox-styles' exists for two reasons:
-- 1. To wrap the styles to work around phab: T200206 more elegantly. Instead
-- of combinatorial rules, this ends up being linear number of CSS rules.
-- 2. To allow MobileFrontend to rip the styles out with 'nomobile' such that
-- they are not dumped into the mobile view.
res:tag('div')
:addClass('navbox-styles')
:addClass('nomobile')
:wikitext(base_templatestyles .. templatestyles)
:done()
-- render the appropriate wrapper around the navbox, depending on the border param
if border == 'none' then
local nav = res:tag('div')
:attr('role', 'navigation')
:wikitext(addListStyles())
: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>')
:wikitext(addListStyles())
: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')
:wikitext(addListStyles())
: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(i)]
_ = args["list" .. tostring(i)]
end
_ = args.below
return p._navbox(args)
end
return p
