Module:Current events calendar

-- This module renders the calendar seen on Portal:Current events.

--	Incoming expected variables:		frame.args.year = Integer value for year		frame.args.month = Integer value for month, 1 based. --

local p = {}

local function makeWikilink(link, display) if display then return string.format('%s', link, display) else return string.format('%s', link) end end

function p.main(frame) local argsDate = nil if (frame and frame.args and frame.args.year and frame.args.month) then -- If a date is passed in, assume that the display page is an Archive page. -- If no date passed in, assume that the display page is the current Current Events page argsDate = frame.args.year .. "-" .. frame.args.month .. "-01" -- Construct a date, YYY-M-DD format. end local dateStuff = p.getDateStuff(argsDate) local dayStrings = p.makeDayStrings(dateStuff) return p.export(dayStrings, dateStuff) end

function p.getDateStuff(argsDate)

--	Note: This function takes advantage of the formatDate's second argument to	create data for the archival calendars. If the second arg (argsDate) is nil,	then formatDate assumes the current date/time. --

-- Gets date data. local dateStuff = {} local lang = mw.language.getContentLanguage dateStuff.argsDate = argsDate --Year local year = lang:formatDate('Y', argsDate) year = tonumber(year) dateStuff.year = year -- Month local month = lang:formatDate('F', argsDate) dateStuff.month = month -- Month and year local monthAndYear = lang:formatDate('F Y', argsDate) local firstOfMonth = lang:formatDate('01-m-Y', argsDate) dateStuff.monthAndYear = monthAndYear -- Previous month and year dateStuff.previousMonthAndYear = lang:formatDate('F Y', firstOfMonth .. ' -1 month') -- Next month and year dateStuff.nextMonthAndYear = lang:formatDate('F Y', firstOfMonth .. ' +1 month') -- Day local day = lang:formatDate('j', argsDate) day = tonumber(day) dateStuff.day = day -- Days in month local daysInMonth = lang:formatDate('j', firstOfMonth .. ' +1 month -1 day') daysInMonth = tonumber(daysInMonth) dateStuff.daysInMonth = daysInMonth -- Weekday of the first day of the month local firstWeekday = lang:formatDate('w', firstOfMonth) -- Sunday = 0, Saturday = 6 firstWeekday = tonumber(firstWeekday) firstWeekday = firstWeekday + 1 -- Make compatible with Lua tables. Sunday = 1, Saturday = 7. dateStuff.firstWeekday = firstWeekday return dateStuff end

function p.makeDayStrings(dateStuff) local calStrings = {} local currentDay = dateStuff.day local isLinkworthy = p.isLinkworthy local currentMonth = dateStuff.month local currentYear = dateStuff.year local makeDayLink = p.makeDayLink for day = 1, dateStuff.daysInMonth do		if dateStuff.argsDate or isLinkworthy(day, currentDay) then calStrings[#calStrings + 1] = makeDayLink(day, currentMonth, currentYear) else calStrings[#calStrings + 1] = tostring(day) end end return calStrings end

function p.isLinkworthy(day, currentDay) -- Returns true if the calendar day should be linked, and false if not. -- Days should be linked if they are the current day or if they are within the six -- preceding days, as that is the number of items on the current events page. if currentDay - 6 <= day and day <= currentDay then return true else return false end end

function p.makeDayLink(day, month, year) return string.format(" %d  ", year, month, day, day) end

function p.export(dayStrings, dateStuff) -- Generates the calendar HTML. local monthAndYear = dateStuff.monthAndYear local root = mw.html.create('table') -- The next two lines help to make the table-layout-based Archive pages look good. When the -- Archives have been converted to a grid-based layout, this logic can be removed, and the -- corressponding CSS margin attribute can be simplified. local temporaryMarginAdjustment = "auto !important" if dateStuff.argsDate then temporaryMarginAdjustment = "8px 0 0 8px" end root :addClass('infobox') :css{ display = 'table', width = '100%', float = 'initial', ['max-width'] = '350px', margin = temporaryMarginAdjustment, ['text-align'] = 'center', ['background-color'] = '#f5faff', border = '1px solid #cedff2' }		-- Headings :tag('tr') :css('background-color', '#cedff2') :tag('th') :css{['text-align'] = 'center'} :tag('span') :addClass('noprint') :wikitext(makeWikilink('Portal:Current events/' .. dateStuff.previousMonthAndYear, '◀')) :done :done :tag('th') :attr('colspan', '5') :css{['text-align'] = 'center'} :wikitext(makeWikilink('Portal:Current events/' .. monthAndYear, monthAndYear)) :done :tag('th') :css{['text-align'] = 'center'} :tag('span') :addClass('noprint') :wikitext(makeWikilink('Portal:Current events/' .. dateStuff.nextMonthAndYear, '▶'))

-- Day of week headings local dayHeadingRow = root:tag('tr') local weekdays = {'S', 'M', 'T', 'W', 'T', 'F', 'S'} for i, weekday in ipairs(weekdays) do		dayHeadingRow:tag('th') :css{['width'] = '14%', ['text-align'] = 'center'} :wikitext(weekday) end

-- Days local cellCount = 1 - dateStuff.firstWeekday -- Tracks the number of day cells. Negative values used for initial blank cells. while cellCount < #dayStrings do -- Weekly rows local weeklyRow = root:tag('tr') for i = 1, 7 do -- Always make 7 cells. cellCount = cellCount + 1 local dayString = dayStrings[cellCount] or " " -- Use a blank cell if there is no corresponding dateString weeklyRow:tag('td') :css{['text-align'] = 'center'} :wikitext(dayString) end end

-- Footer if not dateStuff.argsDate then -- No footer necessary on Archive pages. root:tag('tr') :addClass('noprint') :tag('td') :attr('colspan', '7') :css{['padding-top'] = '3px', ['padding-bottom'] = '5px', ['font-size'] = '78%', ['text-align'] = 'right'} :wikitext(makeWikilink('Portal:Current events/' .. monthAndYear, 'More ' .. monthAndYear .. ' events... '))	end return tostring(root) end

return p