Module: Landing Page Link

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Documentation for this module may be created at Module:Landing Page Link/doc

-- This module implements {{Landing Page Link}}.

local yesno = require('Module:Yesno')

local p = {}

function p.main(frame)
	local args = require('Module:Arguments').getArgs(frame, {
		wrappers = 'Template:Landing Page Link'
	})
	return p.luaMain(args)
end

function p.luaMain(args)
	if not args[1] and not args.url then
		return ''
	end
	local data = p.makeLinkData(args)
	local link = p.renderLinkNew(data)
	return link
end

function p.makeLinkData(args)
	local data = {}

	-- Get the link and display values, and find whether we are outputting a
	-- wikilink or a URL.
	if args.url then
		data.isUrl = true
		data.link = args.url
		if args[1] then
			data.display = args[1]
		else
			data.display = args.url
		end
	else
		data.isUrl = false
		data.link = args[1]
		if args[2] then
			data.display = args[2]
		else
			data.display = args[1]
		end
	end

	if args.title then
		data.title = args.title
	end

	if args.subtitle then
		data.subtitle = args.subtitle
	end

	if args.icon then
		data.icon = args.icon
	end

	-- Classes
	local class = args.class and args.class:lower()
	data.classes = {}
	if class == 'ui-button-green'
		or class == 'ui-button-blue'
		or class == 'ui-button-red'
	then
		table.insert(
			data.classes,
			'submit ui-button ui-widget ui-state-default ui-corner-all'
				.. ' ui-button-text-only ui-button-text'
		)
	else
		table.insert(data.classes, 'mw-ui-button')
	end
	if class then
		table.insert(data.classes, class)
	end

	-- Styles
	do
		--[[
		-- Check whether we are on the same page as we have specified in
		-- args[1], but not if we are using a URL link, as then args[1] is only
		-- a display value. If we are currently on the page specified in
		-- args[1] make the button colour darker so that it stands out from
		-- other buttons on the page.
		--]]
		local success, linkTitle, currentTitle
		if not data.isUrl then
			currentTitle = mw.title.getCurrentTitle()
			success, linkTitle = pcall(mw.title.new, args[1])
		end
		if success
			and linkTitle
			and mw.title.equals(currentTitle, linkTitle)
		then
			if class == 'ui-button-blue'
				or class == 'mw-ui-progressive'
				or class == 'mw-ui-constructive'
			then
				data.backgroundColor = '#2962CB'
			elseif class == 'ui-button-green' then
				data.backgroundColor = '#008B6D'
			elseif class == 'ui-button-red' or class == 'mw-ui-destructive' then
				data.backgroundColor = '#A6170F'
			else
				data.backgroundColor = '#CCC'
				data.color = '#666'
			end
		end
		-- Add user-specified styles.
		data.style = args.style
	end

	return data
end



function p.renderLinkNew(data)
	-- Render the display span tag.
	local display
	do
		local displayDiv = mw.html.create('div')
		displayDiv
			:attr('class', 'click-tile-icon')
				:tag('i')
					:attr('class', 'fa fa-4x ' .. data.icon)
					:attr('aria-hidden', 'true')
					:done()
				:done()
			:tag('div')
				:attr('class', 'click-tile-content')
				:tag('h4')
					:attr('class', 'click-tile-title')
					:wikitext(data.title)
					:done()
				:tag('p')
					:wikitext(data.subtitle)
					:done()
			:done()

		display = tostring(displayDiv)
	end

	-- Render the link
	local link 
	if data.isUrl then
		link = string.format('[%s %s]', data.link, display)
	else
		link = string.format('[[%s|%s]]', data.link, display)
	end

	--return string.format('<span class="plainlinks"><div class="click-tile">%s</div></span>', link)
	return string.format('<div class="click-tile">%s</div>', link)
	--return link
end


return p