Module:Infobox: Difference between revisions

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    (Created page with '-- -- This module will implement {{Infobox}} -- local p = {} local HtmlBuilder = require('Module:HtmlBuilder') local args local root function union(t1, t...')
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    Revision as of 02:47, 14 March 2013

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

    --
    -- This module will implement {{Infobox}}
    --
     
    local p = {}
     
    local HtmlBuilder = require('Module:HtmlBuilder')
     
    local args
    local root
     
    function union(t1, t2)
        -- return the union of the values of two tables, as a sequence
        local vals = {}
        for k, v in pairs(t1) do
            vals[v] = true
        end
        for k, v in pairs(t2) do
            vals[v] = true
        end
        local ret = {}
        for k, v in pairs(vals) do
            table.insert(ret, k)
        end
        return ret
    end
    
    local function getArgNums(prefix)
        local nums = {}
        for k, v in pairs(args) do
            local num = ('' .. k):match('^' .. prefix .. '(%d+)$')
            if num then table.insert(nums, tonumber(num)) end
        end
        table.sort(nums)
        return nums
    end
    
    local function addRow(rowArgs)
        if rowArgs.header then
            root
                .tag('tr')
                    .tag('th')
                        .attr('colspan', 2)
                        .addClass(rowArgs.class)
                        .css('text-align', 'center')
                        .cssText(args.headerstyle)
                        .wikitext(rowArgs.header)
        elseif rowArgs.data then
            local row = root.tag('tr')
            row.addClass(rowArgs.rowclass)
            if rowArgs.label then
                row
                    .tag('th')
                        .attr('scope', 'row')
                        .css('text-align', 'left')
                        .cssText(args.labelstyle)
                        .wikitext(rowArgs.label)
                        .done()
            end
            
            local dataCell = row.tag('td')
            if not rowArgs.label then dataCell.attr('colspan', 2) end
            dataCell
                .addClass(rowArgs.class)
                .cssText(rowArgs.datastyle)
                .wikitext(rowArgs.data)
        end
    end
    
    local function renderTitle()
        if not args.title then return end
    
        root
            .tag('caption')
                .addClass(args.titleclass)
                .cssText(args.titlestyle)
                .wikitext(args.title)
    end
    
    local function renderAboveRow()
        if not args.above then return end
        
        root
            .tag('tr')
                .tag('th')
                    .attr('colspan', 2)
                    .addClass(args.aboveclass)
                    .css('text-align', 'center')
                    .css('font-size', '125%')
                    .css('font-weight', 'bold')
                    .cssText(args.abovestyle)
                    .wikitext(args.above)
    end
    
    local function renderBelowRow()
        if not args.below then return end
        
        root
            .tag('tr')
                .tag('td')
                    .attr('colspan', '2')
                    .addClass(args.belowclass)
                    .css('text-align', 'center')
                    .cssText(args.belowstyle)
                    .wikitext(args.below)
    end
    
    local function renderSubheaders()
        if args.subheader then
            args.subheader1 = args.subheader
        end
        if args.subheaderrowclass then
            args.subheaderrowclass1 = args.subheaderrowclass
        end
        local subheadernums = getArgNums('subheader')
        for k, num in ipairs(subheadernums) do
            addRow({
                data = args['subheader' .. num],
                datastyle = args.subheaderstyle or args['subheaderstyle' .. num],
                class = args.subheaderclass,
                rowclass = args['subheaderrowclass' .. num]
            })
        end
    end
    
    local function renderImages()
        if args.image then
            args.image1 = args.image
        end
        if args.caption then
            args.caption1 = args.caption
        end
        local imagenums = getArgNums('image')
        for k, num in ipairs(imagenums) do
            local caption = args['caption' .. num]
            local data = HtmlBuilder.create().wikitext(args['image' .. num])
            if caption then
                data
                    .tag('br', {selfClosing = true})
                        .done()
                    .tag('span')
                        .cssText(args.captionstyle)
                        .wikitext(caption)
            end
            addRow({
                data = tostring(data),
                datastyle = args.imagestyle,
                class = args.imageclass,
                rowclass = args['imagerowclass' .. num]
            })
        end
    end
    
    local function renderRows()
        local rownums = union(getArgNums('header'), getArgNums('data'))
        table.sort(rownums)
        for k, num in ipairs(rownums) do
            addRow({
                header = args['header' .. num],
                label = args['label' .. num],
                data = args['data' .. num],
                datastyle = args.datastyle,
                class = args['class' .. num],
                rowclass = args['rowclass' .. num]
            })
        end
    end
    
    local function renderNavBar()
        if not args.name then return end
        
        root
            .tag('tr')
                .tag('td')
                    .attr('colspan', '2')
                    .css('text-align', 'right')
                    .wikitext(mw.getCurrentFrame():expandTemplate({ 
                        title = 'navbar', 
                        args = { args.name, mini = 1 }
                    }))
    end
    
    local function renderItalicTitle()
        local italicTitle = args['italic title'] and mw.ustring.lower(args['italic title'])
        if italicTitle == '' or italicTitle == 'force' or italicTitle == 'yes' then
            root.wikitext(mw.getCurrentFrame():expandTemplate({title = 'italic title'}))
        end
    end
    
    local function renderTrackingCategories()
        if args.decat ~= 'yes' and #(getArgNums('data')) == 0 and mw.title.getCurrentTitle().namespace == 0 then
            root.wikitext('[[Category:Articles which use infobox templates with no data rows]]')
        end
    end
    
    local function _infobox()
        if args.child ~= 'yes' then
            root = HtmlBuilder.create('table')
            
            root
                .addClass('infobox')
                .addClass(args.bodyclass)
                .attr('cellspacing', 3)
                .css('border-spacing', '3px')
                .css('width', '22em')
                .cssText(args.bodystyle)
        
            renderTitle()
            renderAboveRow()
        else
            root = HtmlBuilder.create()
            
            if args.title then
                root.wikitext("'''" .. args.title .. "'''")
            end
        end
    
        renderSubheaders()
        renderImages() 
        renderRows() 
        renderBelowRow()  
        renderNavBar()
        renderItalicTitle()
        renderTrackingCategories()
        
        return tostring(root)
    end
     
    function p.infobox(frame)
        local origArgs
        -- If called via #invoke, use the args passed into the invoking template.
        -- Otherwise, for testing purposes, assume args are being passed directly in.
        if frame == mw.getCurrentFrame() then
            origArgs = frame:getParent().args
        else
            origArgs = frame
        end
     
        -- ParserFunctions considers the empty string to be false, so to preserve the previous 
        -- behavior of {{infobox}}, change any empty arguments to nil, so Lua will consider
        -- them false too. (Except the 'italic title' param, which specifies different behavior
        -- depending on whether it's absent or empty)
        args = {}
        for k, v in pairs(origArgs) do
            if v ~= '' or k == 'italic title' then
                args[k] = v
            end
        end
     
        return _infobox()
    end
     
    return p