Module:Navbox

This module implements the {{Navbox}} template. Please see the template page for usage instructions.

Tracking/maintenance categories

• Category:Navigational boxes without horizontal lists (3)
• Category:Navboxes using background colours (11)
• Category:Potentially illegible navboxes (1)
• Category:Navboxes using borders (0)

---

--
-- This module will implement {{Navbox}}
--
 
local p = {}
 
local HtmlBuilder = require('Module:HtmlBuilder')

local args
local tableRowAdded = false
local border
local listnums = {}
 
function trim(s)
    return (mw.ustring.gsub(s, "^%s*(.-)%s*$", "%1"))
end
 
function addTableRow(tbl)
    -- If any other rows have already been added, then we add a 2px gutter row.
    if tableRowAdded then
        tbl
            .tag('tr')
                .css('height', '2px')
                .tag('td')
    end
    
    tableRowAdded = true
    
    return tbl.tag('tr')
end


--
--   Title row
--
function renderTitleRow(tbl)
    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
         .tag('div')
             .addClass(args.titleclass)
             .css('font-size', '110%')
             .newline()
             .wikitext(args.title)
end
 
function renderNavBar(titleCell)
    -- Depending on the presence of the navbar and/or show/hide link, we may need to add a spacer div on the left
    -- or right to keep the title centered.
    local spacerSide = nil

    if args.navbar == 'off' then
        -- 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

        if args.name then
            titleCell.wikitext(mw.getCurrentFrame():expandTemplate{ title = 'navbar', args = { 
                args.name, 
                mini = 1, 
                fontstyle = (args.basestyle or '') .. ';' .. (args.titlestyle or '') ..  ';background:none transparent;border:none;'
            }})
        else
            titleCell
                .tag('span')
                    .addClass('error')
                    .css('float', 'left')
                    .css('white-space', 'nowrap')
                    .wikitext('Error: No name provided')
        end
    end
    
    -- Render the spacer div.
    if spacerSide then
        titleCell
            .tag('span')
                .css('float', spacerSide)
                .css('width', '6em')
                .wikitext(' ')
    end
end


--
--   Above/Below rows
--
function renderAboveRow(tbl)
    if not args.above then return end
 
    addTableRow(tbl)
        .tag('td')
            .addClass('navbox-abovebelow')
            .addClass(args.aboveclass)
            .cssText(args.basestyle)
            .cssText(args.abovestyle)
            .attr('colspan', getAboveBelowColspan())
            .tag('div')
                .newline()
                .wikitext(args.above)
end

function renderBelowRow(tbl)
    if not args.below then return end
    
    addTableRow(tbl)
        .tag('td')
            .addClass('navbox-abovebelow')
            .addClass(args.belowclass)
            .cssText(args.basestyle)
            .cssText(args.belowstyle)
            .attr('colspan', getAboveBelowColspan())
            .tag('div')
                .newline()
                .wikitext(args.below)
end

function getAboveBelowColspan()
    local ret = 2
    if args.imageleft then ret = ret + 1 end
    if args.image then ret = ret + 1 end
    return ret
end
 
 
--
--   List rows
--
function renderFirstListRow(tbl)
    if not args.list1 then return end
 
    local row = addTableRow(tbl)
     
    if 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')
                    .newline()
                    .wikitext(args.imageleft)
    end
 
    if args.group1 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.group1style)
            .wikitext(args.group1)
    end
    
    local listCell = row.tag('td')
    
    if args.group1 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 evenOdd = args.evenodd or 'odd'
    if args.evenodd == 'swap' then evenOdd = 'even' end
    
    listCell
        .css('padding', '0px')
        .cssText(args.liststyle)
        .cssText(args.oddstyle)
        .cssText(args.list1style)
        .addClass('navbox-list')
        .addClass('navbox-' .. evenOdd)
        .addClass(args.listclass)
        .tag('div')
            .css('padding', args.list1padding or args.listpadding or '0em 0.25em')
            .newline()
            .wikitext(args.list1)

    if args.image then
        row
            .tag('td')
                .addClass('navbox-image')
                .addClass(args.imageclass)
                .css('width', '0%')
                .css('padding', '0px 0px 0px 2px')
                .cssText(args.imagestyle)
                .attr('rowspan', 2 * #listnums - 1)
                .tag('div')
                    .newline()
                    .wikitext(args.image)
    end
end
 
function renderNthListRow(tbl, listnum)
    local row = addTableRow(tbl)
    
    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
        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 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
        .css('padding', '0px')
        .cssText(args.liststyle)
        .cssText(rowstyle)
        .cssText(args['list' .. listnum .. 'style'])
        .addClass('navbox-list')
        .addClass('navbox-' .. evenOdd)
        .addClass(args.listclass)
        .tag('div')
            .css('padding', args.listpadding or '0em 0.25em')
            .newline()
            .wikitext(args['list' .. listnum])
end


--
--   Main navbox tables
--
function renderMainTable()
    local tbl = HtmlBuilder.create('table')
        .attr('cellspacing', 0)
        .addClass('nowraplinks')
        .addClass(args.bodyclass)
             
    if args.title and (args.state ~= 'plain' and args.state ~= 'off') then
        tbl
            .addClass('collapsible')
            .addClass(args.state or 'autocollapse')
    end
 
    tbl.css('border-spacing', 0)
    if border == 'subgroup' or border == 'child' or border == 'none' then
        tbl
            .addClass('navbox-subgroup')
            .cssText(args.bodyStyle)
            .cssText(args.style)
    else -- regular navobx - 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)
    renderFirstListRow(tbl)
 
    -- render lists 2 through N
    for i, listnum in ipairs(listnums) do
        if listnum > 1 then
            renderNthListRow(tbl, listnum) 
        end
    end
 
    renderBelowRow(tbl)
    
    return tbl
end

function p._navbox(navboxArgs)
    args = navboxArgs
    
    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
    local tbl = renderMainTable()

    -- render the appropriate wrapper around the navbox, depending on the border param
    local res = HtmlBuilder.create()
    if border == 'subgroup' or border == 'child' then
        res
            .tag('/div', {unclosed = true})
            .done()
            .node(tbl)
            .tag('div', {unclosed = true})
    elseif border ~= 'none' then
        res
            .tag('table')
                .attr('cellspacing', 0)
                .addClass('navbox')
                .css('border-spacing', 0)
                .cssText(args.bodystyle)
                .cssText(args.style)
                .tag('tr')
                    .tag('td')
                        .css('padding', '2px')
                        .node(tbl)
    end
 
    -- TODO: add tracking categories
 
    return tostring(res)
end
 
function p.navbox(frame)
    return p._navbox(frame:getParent().args)
end
 
return p