Module:Photo montage

-- implements template:photomontage local p = {} local function isnotempty(s) return s and s:match( '^%s*(.-)%s*$' ) ~= '' end

local function photomontage( frame ) local tracking = '' local args = frame:getParent.args local size = tonumber(args['size'] or '200') or 200 local border = tonumber(args['border'] or '1') or 1 local spacing = tonumber(args['spacing'] or '1') or 1 local color = args['color'] or 'black' local color_border = args['color_border'] or 'black' local position = (args['position'] or ''):lower local caption = args['text'] or '' local text_background = isnotempty(args['text_background']) and args['text_background'] or '#F8F8FF' local foot_montage = args['foot_montage'] or '' local lastnum = nil local rownum = nil local floatstyle = nil if( position == 'left' or position == 'right' or position == 'none') then floatstyle = 'float:' .. position tracking = tracking .. ''	else floatstyle = 'margin-left: auto; margin-right: auto;' end if isnotempty(foot_montage) then local div = mw.html.create('div') div:css('font-size', '95%') :wikitext(foot_montage) foot_montage = '\n' .. tostring(div) end

local lettertonumber = { a = '01', b = '02',	c = '03', d = '04',	e = '05', f = '06',	g = '07', h = '08', i = '09',	j = '10', k = '11',	l = '12', m = '13',	n = '14', o = '15', p = '16',	q = '17', r = '18', s = '19', t = '20', u = '21', v = '22', w = '23', x = '26', y = '27', z = '28' } local letters = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'		}

-- find all the nonempty photo numbers local photos = {} local photocount = 0 for k, v in pairs( args ) do		local i = tonumber(tostring(k):match( '^%s*photo([%d]+)[a-z]%s*$' ) or '0') if( i > 0 and isnotempty(v) ) then local c = lettertonumber[tostring(k):match( '^%s*photo[%d]+([a-z])%s*$' )] table.insert( photos, tonumber(i .. '.' .. c ) ) photocount = photocount + 1 end end -- sort the photo numbers table.sort(photos) -- compute the number of the photos in each row local count = {} lastnum = -1 rownum = 0 for k=1,photocount do		local num = math.floor(photos[k]) if(num == lastnum) then count[rownum] = count[rownum] + 1 else rownum = rownum + 1 count[rownum] = 1 end lastnum = num end

if(photocount > 0) then -- start table root = mw.html.create('div') root :css('background-color', color) :css('border-collapse', 'collapse') :css('border', border .. 'px solid ' .. color_border) :css('width', size .. 'px') :css('display', 'table') :cssText(floatstyle) local innercell = root :tag('div'):css('display', 'table-row') :tag('div'):css('display', 'table-cell') :css('border-top', 0) :css('padding', spacing .. 'px 0 0 ' .. spacing .. 'px') -- loop over the photos lastnum = -1 rownum = 0 local row for k=1,photocount do		local num = math.floor(photos[k]) local c = letters[math.floor(0.5 + 100*(photos[k] - num))] if(num ~= lastnum) then rownum = rownum + 1 row = innercell :tag('div'):css('display', 'table') :css('background-color', color) :css('border-collapse', 'collapse') :tag('div'):css('display', 'table-row') end local altstr = (args['alt' .. num .. c] or ) ~=  and '|alt=' .. args['alt' .. num .. c] or '' local image = string.format( '',			args['photo' .. num .. c], altstr,			(size - spacing*(count[rownum] - 1))/count[rownum] ) row :tag('div'):css('display', 'table-cell') :css('border-top', 0) :css('padding', '0 ' .. spacing .. 'px ' .. spacing .. 'px ' .. '0') :wikitext(image) lastnum = num end if isnotempty(caption) then root :tag('div'):css('display', 'table-row') :tag('div'):css('display', 'table-cell') :addClass('thumbcaption') :css('background-color', text_background) :css('font-size', '95%') :wikitext(caption) end -- end table end if photocount < 2 then tracking = tracking .. ''	end return tostring(root or '') .. foot_montage .. tracking end

function p.montage( frame ) return photomontage( frame ) end return p