Module:Navseasoncats/navyear
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This is a former submodule to {{Navseasoncats}}. Due to minimal error checking and limited scope, it should not be used on its own except in controlled situations. It should not be used in category sequences which extend below AD 6, to simplify maintenance for that sequence and to limit the potential for error.
local p = {} local grey = "#888" -- Make a piped link to a category, if it exists -- If it doesn't exist, just display the greyed unlinked title function makeCatLink(catname, disp) local displaytext = catname if disp and disp ~= '' then -- use 'disp' parameter, but strip any trailing disambiguator displaytext = mw.ustring.gsub(disp, '%s+%(.+$', ''); end local catPage = mw.title.new( catname, 'Category' ) if (catPage and catPage.exists) then return '[[:Category:'..catname..'|'..displaytext..']]' else return '<span style="color:'..grey..'">'..displaytext.."</span>" end end function p.navyear(frame) --Expects a PAGENAME of the form "Some sequential 1760 example cat", where -- {{{1}}}=Some sequential -- {{{2}}}=1760 -- {{{3}}}=example cat -- {{{4}}}=1758 ('min' year parameter; optional) -- {{{5}}}=1800 ('max' year parameter; optional) local firsthalf = frame.args[1] local year = tonumber(frame.args[2]) local lasthalf = frame.args[3] local minyear = tonumber(frame.args[4]) or -9999 local maxyear = tonumber(frame.args[5]) or 9999 local navyear = '{| class="toccolours hlist" style="text-align: center; margin: auto;"\n'..'|\n' local i = -5 while i <= 5 do local y = year + i if i ~= 0 then if (y >= minyear) and (y <= maxyear) then -- ex: 1758, 1759, 1761, 1762, 1763, 1764, 1765 navyear = navyear..'*'..makeCatLink( firsthalf..' '..y..' '..lasthalf, y )..'\n' else -- ex: 1755, 1756, 1757 navyear = navyear..'*<span style="visibility:hidden">'..y..'</span>\n' end else -- ex: 1760 navyear = navyear..'*<b>'..year..'</b>\n' end i = i + 1 end return navyear..'|}' end return p