Module:Collapsible box

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Implements {{Collapsible box}}.

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--[=[
Implements [[Template:Collapsible box]]
]=]

local p = {} --p stands for package

local getArgs = require('Module:Arguments').getArgs
local yesno = require('Module:Yesno')
local make_attribute_string = require('Module:Optional CSS attribute').make_attribute_string

function p._collapsible_box(args)
	local title = args.title
	
	-- outer div
	-- classes
	local collapsed_class = ""
	if yesno(args.collapsed) or false then
		collapsed_class = "mw-collapsed"
	end
	local outer_div_class = make_attribute_string("class", {['class'] = "mw-collapsible " .. collapsed_class .. " " .. (args.class_outer or '')})
	-- style
	local outer_div_padding = "0.5em"
	if title then
		outer_div_padding = "0"
	end
	local outer_div_style = make_attribute_string("style", {
		margin = "0.5em auto",
		padding = outer_div_padding .. " 0.5em 0.5em 0.5em",
		style = args.style_outer
	})
	-- div
	local outer_div = '<div ' .. outer_div_class .. ' ' .. outer_div_style .. '>'
	
	-- title
	-- force a <p> so we can zero out the top margin
	local title_content = ""
	if title then
		title_content = "<span " .. make_attribute_string("class", args.class_title) .. " " .. make_attribute_string("style", args.style_title) .. ">" .. title .. "</span>"
	end
	local title_p = '<p style="margin:0;">' .. title_content .. '</p>'
	
	-- content
	local content_div_class = make_attribute_string("class", {class = "mw-collapsible-content " .. (args.class_content or '')})
	local content_div_style = make_attribute_string("style", {style = args.style_content})
	local content_div = '<div ' .. content_div_class .. content_div_style .. '>'
	
	-- combined
	local closing_divs = ''
	if yesno(args.closing_div) or true then
		closing_divs = '</div></div>'
	end
	local box = outer_div .. title_p .. content_div .. (args.content or '') .. closing_divs
end

function p.collapsible_box(frame)
	return p._collapsible_box(getArgs(frame))
end

return p