-- Implement [[Template:Football manager history]] to avoid articles being
-- added to [[:Category:Pages where template include size is exceeded]]
-- 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 default
end
local function collection()
-- Return a table to hold items.
return {
n = 0,
add = function (self, item)
self.n = self.n + 1
self[self.n] = item
end,
addif = function (self, item, fmt)
if item then
self.n = self.n + 1
self[self.n] = fmt and string.format(fmt, item) or item
end
end,
join = function (self, sep)
return table.concat(self, sep)
end,
}
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 = '<span id="FormattingError" />'
local category
if not nocat and mw.title.getCurrentTitle():inNamespaces(0, 10) then
-- Category only in namespaces: 0=article, 10=template.
category = '[[Category:Fitbaa template errors]]'
else
category = ''
end
return anchor ..
'<strong class="error">Error: ' ..
msg ..
(caller and (' at [[Template:' .. caller .. ']]') or '') ..
'</strong>' ..
category .. '\n'
end
local function make_entry(name, frae, tae, islast)
local result =
'*<span class="vevent">' ..
'<span class="agent attendee vcard">' ..
'<span class="fn org summary">' ..
name ..
'</span></span> (<span class="dtstart">' ..
frae ..
'</span>'
if tae then
result = result .. '–' .. tae
elseif islast then
result = result .. '–'
end
result = result .. ')</span>'
return result
end
local function make_list(text, note)
-- 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.
text = text or ''
if text:find('<span class=', 1, true) then
-- To allow a transition period where some navboxes use the old syntax, the
-- given text is used if it appears to have come from the old subtemplates.
return text
end
-- Get the non-blank lines first so can tell when am processing the last line.
-- Each line is left- and right-trimmed.
local lines = collection()
for line in string.gmatch(text .. '\n', '[\t ]*(.-)[\t\r ]*\n') do
if line ~= '' then
lines:add(line)
end
end
if lines.n <= 0 then
return ''
end
local entries = collection()
entries:add('<div>')
for i, line in ipairs(lines) do
-- Need to detect lines like "Name frae=1930 & 1935" (probably should
-- not be like that, but that is not up to the template to enforce).
local name, frae, tae = line:match('^([^=]-)%s+(%d%d%d%d)%s+tae%s+(%d%d?%d?%d?)$')
if not name then
name, frae = line:match('^([^=]-)%s+(%d%d%d%d)$')
if not name then
name, frae, tae = line:match('^(.-) frae=(.-) tae=(.*)')
if not name then
name, frae = line:match('^(.-) frae=(.*)')
end
end
end
name = clean(name)
frae = clean(frae, '')
tae = clean(tae)
if ((name or '=') .. (frae or '=') .. (tae or '')):find('=', 1, true) then
-- name and from must be defined (from can be ''); tae 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, frae, tae, i == lines.n))
end
entries:add('</div>')
entries:addif(note)
return entries:join('\n')
end
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), 'border:1px solid %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 ('<span style="color:' .. textcolor .. ';">') or '<span>'
local mgr = spancolor .. (american_english and 'Head coaches' or 'managers') .. '</span>'
return
'<span class="fn org">[[' .. teamname .. '|' ..
spancolor ..
(title or teamname) .. '</span>]]</span> – ' ..
(managerlist and ('[[' .. managerlist .. '|' .. mgr .. ']]') or mgr)
end
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 navargs = {
bodyclass = 'vcard',
name = clean(args.name),
state = clean(args.state, 'autocollapse'),
titlestyle = style,
title = arg_title(args.title, args.teamname, args.managerlist, args.textcolor, args.american_english),
listclass = 'hlist',
list1 = make_list(args.list, clean(args.note)),
belowstyle = style,
below = clean(args.below),
}
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
local success, result = pcall(_main, args)
if success then
return result
end
return message(result, clean(args.name), clean(args.nocat))
end
return { main = main, _main = _main }