Module:Football manager history explained

-- Implement to avoid articles being-- added to -- when the template is used many times.

local function clean(text, default) -- Return text, if not empty, after trimming leading/trailing whitespace. -- Otherwise return default which is nil unless set by caller. if text then text = text:match("^%s*(.-)%s*$") if text ~= then return text end end return defaultend

local function yes(parameter) -- Return true if parameter should be interpreted as "yes". -- Do not want to accept mixed upper/lowercase. return [parameter]end

local function collection -- Return a table to hold items. return end

local function message(msg, caller, nocat) -- Return formatted message text for an error. -- Can append "#FormattingError" to URL of a page with a problem to find it. -- If given, caller is the title of the navbox which has the error. local anchor = '

' local category if not nocat and mw.title.getCurrentTitle:inNamespaces(0, 10) then -- Category only in namespaces: 0=article, 10=template. category = '' else category = end return anchor .. 'Error: ' .. msg .. (caller and (' at ') or ) .. '' .. category .. '\n'end

local function make_entry(name, from, to, islast) local result = '*

' .. '' .. '' .. name .. ' (' .. from .. '' if to then result = result .. '–' .. to elseif islast then result = result .. '–' end result = result .. ')' return resultend

local function make_list(text, note, dissolved) -- Return a list of formatted items. -- Input is a string of multiple lines, one item per line. -- Each item is 'NAME FROM to TO' or 'NAME FROM', where -- NAME = manager name (any text) -- FROM = four digits (from year) -- TO = 1, 2, 3 or 4 digits (to year), or empty -- Alternatively, an item can use syntax (TEXT is any text, possibly empty): -- NAME from=TEXT -- NAME from=TEXT to=TEXT -- The code detects the end of NAME from the start of FROM. -- A dash is added to the last line (to show the manager is continuing) if -- no 'to' year is given, but no dash is added if the club is dissolved. text = text or if text:find('

') for i, line in ipairs(lines) do -- Need to detect lines like "Name from=1930 & 1935" (probably should -- not be like that, but that is not up to the template to enforce). local name, from, to = line:match('^([^=]-)%s+(%d%d%d%d)%s+to%s+(%d%d?%d?%d?)$') if not name then name, from = line:match('^([^=]-)%s+(%d%d%d%d)$') if not name then name, from, to = line:match('^(.-) from=(.-) to=(.*)') if not name then name, from = line:match('^(.-) from=(.*)') end end end name = clean(name) from = clean(from, ) to = clean(to) if ((name or '=') .. (from or '=') .. (to or )):find('=', 1, true) then -- name and from must be defined (from can be ); to is optional. -- Reject '=' to avoid typos in items like 'to=x' or 'from=xto=y' -- from being displayed. error('Invalid line "' .. mw.text.nowiki(line) .. '"', 0) end entries:add(make_entry(name, from, to, i

ilast)) end entries:add('

local function arg_style(bgcolor, textcolor, bordercolor) local result = collection result:addif(clean(bgcolor), 'background:%s;') result:addif(clean(textcolor), 'color:%s;') result:addif(clean(bordercolor), 'box-shadow: inset 1px 1px 0 %s,' .. 'inset -1px -1px 0 %s;') result:add('width: 87%;') return result:join(' ')end

local function arg_title(title, teamname, managerlist, textcolor, american_english) title = clean(title) teamname = clean(teamname, 'MISSING "teamname"') managerlist = clean(managerlist) textcolor = clean(textcolor) american_english = clean(american_english) local spancolor = textcolor and ('

local function _main(args) -- Return wikitext for a navbox. -- Code does not do much checking of inputs but will throw an error -- if input is found to be invalid. local style = arg_style(args.bgcolor, args.textcolor, args.bordercolor) local dissolved = args.dissolved if dissolved then -- May be a number of two or more digits (year club was dissolved; compatible -- with

), or an alias for 'yes'. dissolved = dissolved:match('^%d%d+$') and true or yes(args.dissolved) end local navargs = local navbox = require('Module:Navbox')._navbox return navbox(navargs)end

local function main(frame) -- Return wikitext for a navbox or an error message. local args = frame:getParent.args -- Read arguments in order of output (Module:Navbox says this puts -- reference numbers in the right order). local _ _ = args.title _ = args.list _ = args.below if not args.teamname then args = frame.args _ = args.title _ = args.list _ = args.below end local success, result = pcall(_main, args) if success then return result end return message(result, clean(args.name), clean(args.nocat))end