Difference between revisions of "Module:Navbox"

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--
 
--
-- This module will implement {{Navbox}}
+
-- This module implements {{Navbox}}
 
--
 
--
+
 
 
local p = {}
 
local p = {}
+
 
local HtmlBuilder = require('Module:HtmlBuilder')
+
local navbar = require('Module:Navbar')._navbar
local Navbar = require('Module:Navbar')
+
local getArgs -- lazily initialized
  
 
local args
 
local args
local frame
 
local tableRowAdded = false
 
 
local border
 
local border
local listnums = {}
+
local listnums
+
local ODD_EVEN_MARKER = '\127_ODDEVEN_\127'
function trim(s)
+
local RESTART_MARKER = '\127_ODDEVEN0_\127'
    return (mw.ustring.gsub(s, "^%s*(.-)%s*$", "%1"))
+
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
 
end
  
function addNewline(s)
+
local function processItem(item, nowrapitems)
    if s:match('^[*:;#]') or s:match('^{|') then
+
if item:sub(1, 2) == '{|' then
        return '\n' .. s ..'\n'
+
-- Applying nowrap to lines in a table does not make sense.
    else
+
-- Add newlines to compensate for trim of x in |parm=x in a template.
        return s
+
return '\n' .. item ..'\n'
    end
+
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
 
end
  
function addTableRow(tbl)
+
local function renderNavBar(titleCell)
    -- If any other rows have already been added, then we add a 2px gutter row.
+
 
    if tableRowAdded then
+
if args.navbar ~= 'off' and args.navbar ~= 'plain' and not (not args.name and mw.getCurrentFrame():getParent():getTitle():gsub('/sandbox$', '') == 'Template:Navbox') then
        tbl
+
titleCell:wikitext(navbar{
            .tag('tr')
+
args.name,
                .css('height', '2px')
+
mini = 1,
                .tag('td')
+
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;'
                .attr('colspan',2)
+
})
    end
+
end
   
+
 
    tableRowAdded = true
 
   
 
    return tbl.tag('tr')
 
 
end
 
end
 
  
 
--
 
--
 
--  Title row
 
--  Title row
 
--
 
--
function renderTitleRow(tbl)
+
local function renderTitleRow(tbl)
    if not args.title then return end
+
if not args.title then return end
 
    local titleRow = addTableRow(tbl)
 
   
 
    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
+
local titleRow = tbl:tag('tr')
        .tag('div')
+
 
            .addClass(args.titleclass)
+
if args.titlegroup then
            .css('font-size', '110%')
+
titleRow
            .wikitext(addNewline(args.title))
+
:tag('th')
end
+
: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
  
function renderNavBar(titleCell)
+
titleCell
    -- Depending on the presence of the navbar and/or show/hide link, we may need to add a spacer div on the left
+
:cssText(args.basestyle)
    -- or right to keep the title centered.
+
:cssText(args.titlestyle)
    local spacerSide = nil
+
:addClass('navbox-title')
 +
:attr('colspan', titleColspan)
  
    if args.navbar == 'off' then
+
renderNavBar(titleCell)
        -- No navbar, and client wants no spacer, i.e. wants the title to be shifted to the left. If there's
 
        -- also no show/hide link, then we need a spacer on the right to achieve the left shift.
 
        if args.state == 'plain' then spacerSide = 'right' end
 
    elseif args.navbar == 'plain' or args.navbar == 'off' or (not args.name and (border == 'subgroup' or border == 'child' or border == 'none')) then
 
        -- No navbar. Need a spacer on the left to balance out the width of the show/hide link.
 
        if args.state ~= 'plain' then spacerSide = 'left' end
 
    else
 
        -- Will render navbar (or error message). If there's no show/hide link, need a spacer on the right
 
        -- to balance out the width of the navbar.
 
        if args.state == 'plain' then spacerSide = 'right' end
 
  
        titleCell.wikitext(Navbar.navbar({
+
titleCell
            args.name,
+
:tag('div')
            mini = 1,
+
-- id for aria-labelledby attribute
            fontstyle = (args.basestyle or '') .. ';' .. (args.titlestyle or '') ..  ';background:none transparent;border:none;'
+
:attr('id', mw.uri.anchorEncode(args.title))
        }))
+
:addClass(args.titleclass)
    end
+
:css('font-size', '114%')
   
+
:css('margin', '0 4em')
    -- Render the spacer div.
+
:wikitext(processItem(args.title))
    if spacerSide then
 
        titleCell
 
            .tag('span')
 
                .css('float', spacerSide)
 
                .css('width', '6em')
 
                .wikitext('&nbsp;')
 
    end
 
 
end
 
end
 
  
 
--
 
--
 
--  Above/Below rows
 
--  Above/Below rows
 
--
 
--
function renderAboveRow(tbl)
 
    if not args.above then return end
 
  
    addTableRow(tbl)
+
local function getAboveBelowColspan()
        .tag('td')
+
local ret = 2
            .addClass('navbox-abovebelow')
+
if args.imageleft then ret = ret + 1 end
            .addClass(args.aboveclass)
+
if args.image then ret = ret + 1 end
            .cssText(args.basestyle)
+
return ret
            .cssText(args.abovestyle)
 
            .attr('colspan', getAboveBelowColspan())
 
            .tag('div')
 
                .wikitext(addNewline(args.above))
 
 
end
 
end
  
function renderBelowRow(tbl)
+
local function renderAboveRow(tbl)
    if not args.below then return end
+
if not args.above then return end
  
    addTableRow(tbl)
+
tbl:tag('tr')
        .tag('td')
+
:tag('td')
            .addClass('navbox-abovebelow')
+
:addClass('navbox-abovebelow')
            .addClass(args.belowclass)
+
:addClass(args.aboveclass)
            .cssText(args.basestyle)
+
:cssText(args.basestyle)
            .cssText(args.belowstyle)
+
:cssText(args.abovestyle)
            .attr('colspan', getAboveBelowColspan())
+
:attr('colspan', getAboveBelowColspan())
            .tag('div')
+
:tag('div')
                .wikitext(addNewline(args.below))
+
-- 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
 
end
  
function getAboveBelowColspan()
+
local function renderBelowRow(tbl)
    local ret = 2
+
if not args.below then return end
    if args.imageleft then ret = ret + 1 end
+
 
    if args.image then ret = ret + 1 end
+
tbl:tag('tr')
    return ret
+
: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
 
end
+
 
 
 
--
 
--
 
--  List rows
 
--  List rows
 
--
 
--
function renderListRow(tbl, listnum)
+
local function renderListRow(tbl, index, listnum)
    local row = addTableRow(tbl)
+
local row = tbl:tag('tr')
   
 
    if listnum == 1 and args.imageleft then
 
        row
 
            .tag('td')
 
                .addClass('navbox-image')
 
                .addClass(args.imageclass)
 
                .css('width', '0%')
 
                .css('padding', '0px 2px 0px 0px')
 
                .cssText(args.imageleftstyle)
 
                .attr('rowspan', 2 * #listnums - 1)
 
                .tag('div')
 
                    .wikitext(addNewline(args.imageleft))
 
    end
 
 
    if args['group' .. listnum] then
 
        local groupCell = row.tag('th')
 
       
 
        groupCell
 
              .attr('scope', 'row')
 
              .addClass('navbox-group')
 
              .addClass(args.groupclass)
 
              .cssText(args.basestyle)
 
             
 
        if args.groupwidth then
 
            groupCell.css('width', args.groupwidth)
 
        end
 
         
 
        groupCell
 
            .cssText(args.groupstyle)
 
            .cssText(args['group' .. listnum .. 'style'])
 
            .wikitext(args['group' .. listnum])
 
    end
 
   
 
    local listCell = row.tag('td')
 
  
    if args['group' .. listnum] then
+
if index == 1 and args.imageleft then
        listCell
+
row
            .css('text-align', 'left')
+
:tag('td')
            .css('border-left-width', '2px')
+
:addClass('navbox-image')
            .css('border-left-style', 'solid')
+
:addClass(args.imageclass)
    else
+
:css('width', '1px')               -- Minimize width
        listCell.attr('colspan', 2)
+
:css('padding', '0px 2px 0px 0px')
    end
+
:cssText(args.imageleftstyle)
   
+
:attr('rowspan', #listnums)
    if not args.groupwidth then
+
:tag('div')
        listCell.css('width', '100%')
+
:wikitext(processItem(args.imageleft))
    end
+
end
   
 
    local isOdd = (listnum % 2) == 1
 
    local rowstyle = args.evenstyle
 
    if isOdd then rowstyle = args.oddstyle end
 
 
    local evenOdd
 
    if args.evenodd == 'swap' then
 
        if isOdd then evenOdd = 'even' else evenOdd = 'odd' end
 
    else
 
        if isOdd then evenOdd = args.evenodd or 'odd' else evenOdd = args.evenodd or 'even' end
 
    end
 
  
    listCell
+
if args['group' .. listnum] then
        .css('padding', '0px')
+
local groupCell = row:tag('th')
        .cssText(args.liststyle)
 
        .cssText(rowstyle)
 
        .cssText(args['list' .. listnum .. 'style'])
 
        .addClass('navbox-list')
 
        .addClass('navbox-' .. evenOdd)
 
        .addClass(args.listclass)
 
        .tag('div')
 
            .css('padding', (listnum == 1 and args.list1padding) or args.listpadding or '0em 0.25em')
 
            .wikitext(addNewline(args['list' .. listnum]))
 
  
    if listnum == 1 and args.image then
+
-- id for aria-labelledby attribute, if lone group with no title or above
        row
+
if listnum == 1 and not (args.title or args.above or args.group2) then
            .tag('td')
+
groupCell
                .addClass('navbox-image')
+
:attr('id', mw.uri.anchorEncode(args.group1))
                .addClass(args.imageclass)
+
end
                .css('width', '0%')
+
 
                .css('padding', '0px 0px 0px 2px')
+
groupCell
                .cssText(args.imagestyle)
+
:attr('scope', 'row')
                .attr('rowspan', 2 * #listnums - 1)
+
:addClass('navbox-group')
                .tag('div')
+
:addClass(args.groupclass)
                    .wikitext(addNewline(args.image))
+
:cssText(args.basestyle)
    end
+
: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
 
end
  
Line 258: Line 283:
 
--  Tracking categories
 
--  Tracking categories
 
--
 
--
function renderTrackingCategories(builder)
+
 
    local frame = mw.getCurrentFrame()
+
local function needsHorizontalLists()
   
+
if border == 'subgroup' or args.tracking == 'no' then
    if not frame then return end
+
return false
   
+
end
    local s = frame:preprocess('{{#ifeq:{{NAMESPACE}}|{{ns:10}}|1|0}}{{SUBPAGENAME}}')
+
local listClasses = {
    if mw.ustring.sub(s, 1, 1) == '0' then return end -- not in template space
+
['plainlist'] = true, ['hlist'] = true, ['hlist hnum'] = true,
    local subpage = mw.ustring.lower(mw.ustring.sub(s, 2))
+
['hlist hwrap'] = true, ['hlist vcard'] = true, ['vcard hlist'] = true,
    if subpage == 'doc' or subpage == 'sandbox' or subpage == 'testcases' then return end
+
['hlist vevent'] = true,
   
+
}
    for i, cat in ipairs(getTrackingCategories()) do
+
return not (listClasses[args.listclass] or listClasses[args.bodyclass])
        builder.wikitext('[[Category:' .. cat .. ']]')  
 
    end
 
 
end
 
end
  
function getTrackingCategories()
+
local function hasBackgroundColors()
    local cats = {}
+
for _, key in ipairs({'titlestyle', 'groupstyle', 'basestyle', 'abovestyle', 'belowstyle'}) do
    if needsHorizontalLists() then table.insert(cats, 'Navigational boxes without horizontal lists') end
+
if tostring(args[key]):find('background', 1, true) then
    if hasBackgroundColors() then table.insert(cats, 'Navboxes using background colours') end
+
return true
    return cats
+
end
 +
end
 
end
 
end
  
function needsHorizontalLists()
+
local function hasBorders()
    if border == 'child' or border == 'subgroup'  or args.tracking == 'no' then return false end
+
for _, key in ipairs({'groupstyle', 'basestyle', 'abovestyle', 'belowstyle'}) do
   
+
if tostring(args[key]):find('border', 1, true) then
    local listClasses = {'plainlist', 'hlist', 'hlist hnum', 'hlist hwrap', 'hlist vcard', 'vcard hlist', 'hlist vevent'}
+
return true
    for i, cls in ipairs(listClasses) do
+
end
        if args.listclass == cls or args.bodyclass == cls then
+
end
            return false
+
end
        end
 
    end
 
  
    return true
+
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
 
end
  
function hasBackgroundColors()
+
local function getTrackingCategories()
    return args.titlestyle or args.groupstyle
+
local cats = {}
 +
if needsHorizontalLists() then table.insert(cats, 'Navigational boxes without horizontal lists') end
 +
if hasBackgroundColors() then table.insert(cats, 'Navboxes using background colours') end
 +
if isIllegible() then table.insert(cats, 'Potentially illegible navboxes') end
 +
if hasBorders() then table.insert(cats, 'Navboxes using borders') end
 +
return cats
 
end
 
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
 
--  Main navbox tables
 
--
 
--
function renderMainTable()
+
local function renderMainTable()
    local tbl = HtmlBuilder.create('table')
+
local tbl = mw.html.create('table')
        .attr('cellspacing', 0)
+
:addClass('nowraplinks')
        .addClass('nowraplinks')
+
:addClass(args.bodyclass)
        .addClass(args.bodyclass)
+
 
           
+
if args.title and (args.state ~= 'plain' and args.state ~= 'off') then
    if args.title and (args.state ~= 'plain' and args.state ~= 'off') then
+
if args.state == 'collapsed' then args.state = 'mw-collapsed' end
        tbl
+
tbl
            .addClass('collapsible')
+
:addClass('mw-collapsible')
            .addClass(args.state or 'autocollapse')
+
:addClass(args.state or 'autocollapse')
    end
+
end
+
 
    tbl.css('border-spacing', 0)
+
tbl:css('border-spacing', 0)
    if border == 'subgroup' or border == 'child' or border == 'none' then
+
if border == 'subgroup' or border == 'none' then
        tbl
+
tbl
            .addClass('navbox-subgroup')
+
:addClass('navbox-subgroup')
            .cssText(args.bodystyle)
+
:cssText(args.bodystyle)
            .cssText(args.style)
+
:cssText(args.style)
    else -- regular navobx - bodystyle and style will be applied to the wrapper table
+
else -- regular navbox - bodystyle and style will be applied to the wrapper table
        tbl
+
tbl
            .addClass('navbox-inner')
+
:addClass('navbox-inner')
            .css('background', 'transparent')
+
:css('background', 'transparent')
            .css('color', 'inherit')
+
:css('color', 'inherit')
    end
+
end
    tbl.cssText(args.innerstyle)
+
tbl:cssText(args.innerstyle)
+
 
    renderTitleRow(tbl)
+
renderTitleRow(tbl)
    renderAboveRow(tbl)
+
renderAboveRow(tbl)
    for i, listnum in ipairs(listnums) do
+
for i, listnum in ipairs(listnums) do
        renderListRow(tbl, listnum)  
+
renderListRow(tbl, i, listnum)
    end
+
end
    renderBelowRow(tbl)
+
renderBelowRow(tbl)
   
+
 
    return tbl
+
return tbl
 
end
 
end
  
 
function p._navbox(navboxArgs)
 
function p._navbox(navboxArgs)
    args = navboxArgs
+
args = navboxArgs
   
+
listnums = {}
    for k, v in pairs(args) do
 
        local listnum = ('' .. k):match('^list(%d+)$')
 
        if listnum then table.insert(listnums, tonumber(listnum)) end
 
    end
 
    table.sort(listnums)
 
 
    border = trim(args.border or args[1] or '')
 
  
    -- render the main body of the navbox
+
for k, _ in pairs(args) do
    local tbl = renderMainTable()
+
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)
  
    -- render the appropriate wrapper around the navbox, depending on the border param
+
border = mw.text.trim(args.border or args[1] or '')
    local res = HtmlBuilder.create()
+
if border == 'child' then
    if border == 'none' then
+
border = 'subgroup'
        res.node(tbl)
+
end
    elseif border == 'subgroup' or border == 'child' then
+
 
        -- We assume that this navbox is being rendered in a list cell of a parent navbox, and is
+
-- render the main body of the navbox
        -- therefore inside a div with padding:0em 0.25em. We start with a </div> to avoid the
+
local tbl = renderMainTable()
        -- padding being applied, and at the end add a <div> to balance out the parent's </div>
+
 
        res
+
-- render the appropriate wrapper around the navbox, depending on the border param
            .tag('/div', {unclosed = true})
+
local res = mw.html.create()
                .done()
+
if border == 'none' then
            .node(tbl)
+
local nav = res:tag('div')
            .tag('div', {unclosed = true})
+
:attr('role', 'navigation')
    else
+
:node(tbl)
        res
+
-- aria-labelledby title, otherwise above, otherwise lone group
            .tag('table')
+
if args.title or args.above or (args.group1 and not args.group2) then
                .attr('cellspacing', 0)
+
nav:attr('aria-labelledby', mw.uri.anchorEncode(args.title or args.above or args.group1))
                .addClass('navbox')
+
else
                .css('border-spacing', 0)
+
nav:attr('aria-label', 'Navbox')
                .cssText(args.bodystyle)
+
end
                .cssText(args.style)
+
elseif border == 'subgroup' then
                .tag('tr')
+
-- We assume that this navbox is being rendered in a list cell of a parent navbox, and is
                    .tag('td')
+
-- therefore inside a div with padding:0em 0.25em. We start with a </div> to avoid the
                        .css('padding', '2px')
+
-- padding being applied, and at the end add a <div> to balance out the parent's </div>
                        .node(tbl)
+
res
    end
+
:wikitext('</div>')
+
:node(tbl)
    renderTrackingCategories(res)
+
:wikitext('<div>')
+
else
    return tostring(res)
+
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
 
end
+
 
 
function p.navbox(frame)
 
function p.navbox(frame)
    -- ParserFunctions considers the empty string to be false, so to preserve the previous
+
if not getArgs then
    -- behavior of {{navbox}}, change any empty arguments to nil, so Lua will consider
+
getArgs = require('Module:Arguments').getArgs
    -- them false too.
+
end
    local args = {}
+
args = getArgs(frame, {wrappers = {'Template:Navbox', 'Template:Navbox subgroup'}})
    local parent_args = frame:getParent().args;
+
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
  
    -- Out of order parsing bug.
+
return p._navbox(args)
    local temp;
 
    temp = parent_args.title;
 
    temp = parent_args.above;
 
    for i = 1, 20 do
 
        temp = parent_args["group" .. tostring(i)];
 
        temp = parent_args["list" .. tostring(i)];
 
    end   
 
    temp = parent_args.below;
 
   
 
    for k, v in pairs(parent_args) do
 
        if v ~= '' then
 
            args[k] = v
 
        end
 
    end
 
    return p._navbox(args)
 
 
end
 
end
+
 
 
return p
 
return p

Latest revision as of 16:29, 25 November 2019

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

--
-- 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

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', '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
			: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, 'Navigational boxes without horizontal lists') end
	if hasBackgroundColors() then table.insert(cats, 'Navboxes using background colours') end
	if isIllegible() then table.insert(cats, 'Potentially illegible navboxes') end
	if hasBorders() then table.insert(cats, 'Navboxes using borders') 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()

	-- 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(i)]
		_ = args["list" .. tostring(i)]
	end
	_ = args.below

	return p._navbox(args)
end

return p