Module:Portal pictures

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Implements template {{Portal pictures}}.

Usage

{{#invoke:Portal pictures|function name}}

{{#invoke:Portal pictures|main}}

Automatic mode. Uses function slideShow on a basepage, and gallery on a subpage.

{{#invoke:Portal pictures|slideShow}}

Shows a slide show with a random picture selected. Used for testing.

{{#invoke:Portal pictures|gallery}}

Shows all pictures. Used for testing.

Parameters

See Template:Portal pictures/doc#Parameters

See also

• Template:Portal pictures/testcases

The above documentation is transcluded from Module:Portal pictures/doc. (edit | history)
Editors can experiment in this module's sandbox (edit | diff) and testcases (create) pages.
Subpages of this module.

local getArgs = require('Module:Arguments').getArgs
local randomModule = require('Module:Random')
local yesno = require('Module:Yesno')
local slideshowModule = require('Module:Random slideshow')

p = {}

local function wikiError(message)
	return mw.html.create('div'):addClass('error'):wikitext(message)
end

local function extractDates(args)
	local dates = {}
	for key, value in pairs(args) do
		if value and type(key) == "number" then
			table.insert(dates, value)
		end
	end
	return dates
end

local function getDefaultMoreLink(frame)
	local title = mw.title.getCurrentTitle()
	if title.isSubpage
	then
		return ""
	end
	return "[[" .. title.prefixedText .. "/Selected picture|More selected pictures...]]"
end

local function getPortalPotdText(frame, candidateDate, more)
	return frame:expandTemplate{
		title = "Portal POTD",
		args = {
			candidateDate,
			["more"] = more
		}
	}
end

local function gallery(frame)
	local args = getArgs(frame)
	local texts = {}
	for key, value in pairs(args) do
		if value and type(key) == "number" then
			table.insert(texts,	"[[Template:POTD/" .. value .. "]]\n\n" .. getPortalPotdText(frame, value, " "))
		end
	end
	return table.concat(texts, "\n----\n")
end

local function getPotdPart(frame, t, part)
	return frame:expandTemplate{
		title = t,
		args = { part }
	}
end

local function getPotdText(frame, d, more)
	local titleText = getPotdPart(frame, "POTD/" .. d, "title")
	local creditText = getPotdPart(frame, "POTD/" .. d, "credit")
	local captionText = getPotdPart(frame, "POTD/" .. d, "caption")
	local root = mw.html.create("div")
		:attr("style", "font-size:107%;")
	local titleCredit = root:tag("div")
		:attr("style", "margin: 0.6em 0.25em 0.85em;")
	titleCredit:tag("div")
		:attr("style", "font-size: large;")
		:wikitext(titleText)
	titleCredit:tag("small"):wikitext(creditText)
	root:tag("div")
		:attr("style", "text-align: left;")
		:wikitext(captionText)
	if yesno(more, true)
	then
		root:tag('div')
			:attr("class", "noprint")
			:attr("style", "padding:0.7em 0.9em 0.7em 0.2em; font-weight:bold; width:100%; text-align:right;")
			:wikitext(more)
	end
	return tostring(root)
end

local function makeSlideShowArgs(frame, dates, more, limit)
	local galleryArgs = {}
	local sortedDates = randomModule.main('array', {t=dates, limit=limit})
	for _i, d in ipairs(sortedDates) do
		local image = getPotdPart(frame, "POTD/" .. d, "image")
		local text = getPotdText(frame, d, more)
		table.insert(galleryArgs, image)
		table.insert(galleryArgs, text)
	end
	return galleryArgs
end

local function slideShow(frame)
	local args = getArgs(frame)
	local more = args["more"] or getDefaultMoreLink(frame)
	local dates = extractDates(args)
	local limit = 25

	local galleryArgs = makeSlideShowArgs(frame, dates, more, limit)
	local slideShow = slideshowModule._main(galleryArgs, false)
	return frame:extensionTag{ name='templatestyles', args = { src='Random slideshow/styles.css'} }
		.. frame:preprocess(slideShow)
end

function main(frame)
	local title = mw.title.getCurrentTitle()
	if title.isSubpage
	then
		return gallery(frame)
	else
		return slideShow(frame)
	end
end

p.main = main
p.slideShow = slideShow
p.gallery = gallery

return p