--
-- This module implements {{Navbox}}
--
local p = {}
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 lists = {
plainlist_t = {
patterns = {
'^plainlist$',
'%splainlist$',
'^plainlist%s',
'%splainlist%s'
},
found = false,
styles = 'Plainlist/styles.css'
},
hlist_t = {
patterns = {
'^hlist$',
'%shlist$',
'^hlist%s',
'%shlist%s'
},
found = false,
styles = 'Hlist/styles.css'
}
}
local function has_list_class(args_to_check)
for _, list in pairs(lists) do
if not list.found then
for _, arg in pairs(args_to_check) do
for _, pattern in ipairs(list.patterns) do
if mw.ustring.find(arg or '', pattern) then
list.found = true
break
end
end
if list.found then break end
end
end
end
end
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
local function has_navbar()
return args.navbar ~= 'off'
and args.navbar ~= 'plain'
and (
args.name
or (
mw.getCurrentFrame():getParent():getTitle():gsub('/sandbox$', '')
~= 'Template:Navbox' and
mw.getCurrentFrame():getParent():getTitle():gsub('/sandbox$', '')
~= 'Template:Navbox subgroup'
)
)
end
-- extract text color from css, which is the only permitted inline CSS for the navbar
local function extract_color(css_str)
-- return nil because navbar takes its argument into mw.html which handles
-- nil gracefully, removing the associated style attribute
return mw.ustring.match(';' .. css_str .. ';', '.*;%s*([Cc][Oo][Ll][Oo][Rr]%s*:%s*.-)%s*;') or nil
end
local function renderNavBar(titleCell)
if has_navbar() then
local navbar = require('Module:Navbar/sandbox')._navbar
titleCell:wikitext(navbar{
args.name,
mini = 1,
fontstyle = extract_color(
(args.basestyle or '') .. ';' .. (args.titlestyle or '')
)
})
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 5em')
: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', (not args.title) and mw.uri.anchorEncode(args.above) or nil)
: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('noviewer')
: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
has_list_class({ args.listclass })
local listCell = row:tag('td')
if args['group' .. listnum] then
listCell
:addClass('navbox-list-with-group')
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('noviewer')
: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
return not lists.hlist_t.found and not lists.plainlist_t.found
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, '未用到水平清單嘅導航盒') end
if hasBackgroundColors() then table.insert(cats, '用咗背景色嘅導航盒') end
if isIllegible() then table.insert(cats, '潛在難以辨認嘅導航盒') end
if hasBorders() then table.insert(cats, '用咗邊框嘅導航盒') 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
--
-- Load the templatestyles for the navbox
--
local function loadTemplateStyles(hiding_templatestyles)
local frame = mw.getCurrentFrame()
local hlist_templatestyles = ''
if lists.hlist_t.found then
hlist_templatestyles = frame:extensionTag{
name = 'templatestyles', args = { src = lists.hlist_t.styles }
}
end
-- a second workaround for [[phab:T303378]]
-- when that issue is fixed, we can actually use has_navbar not to emit the
-- tag here if we want
if has_navbar() and hlist_templatestyles == '' then
hlist_templatestyles = frame:extensionTag{
name = 'templatestyles', args = { src = lists.hlist_t.styles }
}
end
local plainlist_templatestyles = ''
if lists.plainlist_t.found then
plainlist_templatestyles = frame:extensionTag{
name = 'templatestyles', args = { src = lists.plainlist_t.styles }
}
end
local base_templatestyles = frame:extensionTag{
name = 'templatestyles', args = { src = 'Module:Navbox/styles.css' }
}
local templatestyles = ''
if args['templatestyles'] then
templatestyles = frame:extensionTag{
name = 'templatestyles', args = { src = args['templatestyles'] }
}
end
local child_templatestyles = ''
if args['child templatestyles'] then
child_templatestyles = frame:extensionTag{
name = 'templatestyles', args = { src = args['child templatestyles'] }
}
end
return mw.html.create('div')
:addClass('navbox-styles')
:wikitext(
-- hlist -> plainlist -> base is best-effort to preserve old Common.css ordering.
-- this ordering is not a guarantee because the rows of interest invoking
-- each class may not be on a specific page
hlist_templatestyles ..
plainlist_templatestyles ..
base_templatestyles ..
templatestyles ..
child_templatestyles ..
table.concat(hiding_templatestyles)
)
:done()
end
-- work around [[phab:T303378]]
-- for each arg: find all the templatestyles strip markers, insert them into a
-- table. then remove all templatestyles markers from the arg
local function move_hiding_templatestyles(args)
local gfind = string.gfind
local gsub = string.gsub
local templatestyles_markers = {}
local strip_marker_pattern = '(\127[^\127]*UNIQ%-%-templatestyles%-%x+%-QINU[^\127]*\127)'
for k, arg in pairs(args) do
for marker in gfind(arg, strip_marker_pattern) do
table.insert(templatestyles_markers, marker)
end
args[k] = gsub(arg, strip_marker_pattern, '')
end
return templatestyles_markers
end
--
-- Main navbox tables
--
local function renderMainTable()
local tbl = mw.html.create('table')
:addClass('nowraplinks')
:addClass(args.bodyclass)
has_list_class({ 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
local hiding_templatestyles = move_hiding_templatestyles(args)
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()
-- render the appropriate wrapper around the navbox, depending on the border param
local res = mw.html.create()
if border == 'none' then
res:node(loadTemplateStyles(hiding_templatestyles))
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
res:node(loadTemplateStyles(hiding_templatestyles))
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, 35 do
_ = args["group" .. tostring(i)]
_ = args["list" .. tostring(i)]
end
_ = args.below
return p._navbox(args)
end
return p
