-- This module renders the calendar seen on [[Portal:Current events]].
local p = {}
local function makeWikilink(link, display)
if display then
return string.format('[[%s|%s]]', link, display)
else
return string.format('[[%s]]', link)
end
end
function p.main()
local dateStuff = p.getDateStuff()
local dayStrings = p.makeDayStrings(dateStuff)
return p.export(dayStrings, dateStuff)
end
function p.getDateStuff()
-- Gets date data.
local dateStuff = {}
local lang = mw.language.getContentLanguage()
--Year
local year = lang:formatDate('Y')
year = tonumber(year)
dateStuff.year = year
-- Month
local month = lang:formatDate('F')
dateStuff.month = month
-- Month and year
local monthAndYear = lang:formatDate('F Y')
dateStuff.monthAndYear = monthAndYear
-- Previous month and year
dateStuff.previousMonthAndYear = lang:formatDate('F Y', monthAndYear .. ' -1 month')
-- Next month and year
dateStuff.nextMonthAndYear = lang:formatDate('F Y', monthAndYear .. ' +1 month')
-- Day
local day = lang:formatDate('j')
day = tonumber(day)
dateStuff.day = day
-- Days in month
local firstOfMonth = string.format('1 %s %d', month, year)
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 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 %s %d|%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')
root
:addClass('infobox')
:css{width = '250px', ['text-align'] = 'center', ['background-color'] = '#f5faff', border = '1px solid #cedff2'}
-- Headings
:tag('tr')
:css('background-color', '#cedff2')
:tag('td')
:css{['padding-top'] = '1px', ['padding-bottom'] = '3px'}
:wikitext(makeWikilink(dateStuff.previousMonthAndYear, '<<'))
:done()
:tag('td')
:attr('colspan', '5')
:css{padding = '1px 4px', ['font-weight'] = 'bold'}
:wikitext(makeWikilink(monthAndYear))
:done()
:tag('td')
:css{['padding-top'] = '1px', ['padding-bottom'] = '3px'}
:wikitext(makeWikilink(dateStuff.nextMonthAndYear, '>>'))
:done()
:done()
-- Day of week headings
:tag('tr')
local weekdays = {'S', 'M', 'T', 'W', 'T', 'F', 'S'}
for i, weekday in ipairs(weekdays) do
root:tag('td')
:wikitext(weekday)
:done()
end
root:done()
-- Days
local colspan = dateStuff.firstWeekday - 1
local cellCount = 0 -- Tracks the number of day cells.
root:tag('tr')
if colspan > 1 then
root:tag('td')
:attr('colspan', tostring(colspan))
:done()
elseif colspan == 1 then
root:tag('td')
done()
end
for i = colspan + 1, 7 do -- Finish the first row
cellCount = cellCount + 1
root:tag('td')
:wikitext(dayStrings[cellCount])
:done()
end
root:done()
while cellCount <= #dayStrings do -- Second day row onwards
root:tag('tr')
for i = 1, 7 do
cellCount = cellCount + 1
local dayString = dayStrings[cellCount]
if not dayString then
break
end
root:tag('td')
:wikitext(dayString)
:done()
end
root:done()
end
-- Footer
root:tag('tr')
:tag('td')
:attr('colspan', '7')
:css{['padding-top'] = '3px', ['padding-bottom'] = '5px', ['font-size'] = '78%', ['text-align'] = 'left'}
:wikitext(' ' .. makeWikilink(monthAndYear, 'More ' .. monthAndYear .. ' events...'))
return tostring(root)
end
return p
