Module:Sidebar

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--
-- This module implements {{Sidebar}}
--
--require('strict')
local cfg = mw.loadData('Module:Sidebar/configuration')

local p = {}

local getArgs = require('Module:Arguments').getArgs

--[[
Categorizes calling templates and modules with a 'style' parameter of any sort
for tracking to convert to TemplateStyles.

TODO after a long cleanup: Catch sidebars in other namespaces than Template and Module.
TODO would probably want to remove /log and /archive as CS1 does
]]
local function categorizeTemplatesWithInlineStyles(args)
	local title = mw.title.getCurrentTitle()
	if title.namespace ~= 10 and title.namespace ~= 828 then return '' end
	for _, pattern in ipairs (cfg.i18n.pattern.uncategorized_conversion_titles) do
		if title.text:match(pattern) then return '' end
	end
	
	for key, _ in pairs(args) do
		if mw.ustring.find(key, cfg.i18n.pattern.style_conversion) or key == 'width' then
			return cfg.i18n.category.conversion
		end
	end
end

--[[
For compatibility with the original {{sidebar with collapsible lists}}
implementation, which passed some parameters through {{#if}} to trim their
whitespace. This also triggered the automatic newline behavior.
]]
-- See ([[meta:Help:Newlines and spaces#Automatic newline]])
local function trimAndAddAutomaticNewline(s)
	s = mw.ustring.gsub(s, "^%s*(.-)%s*$", "%1")
	if mw.ustring.find(s, '^[#*:;]') or mw.ustring.find(s, '^{|') then
		return '\n' .. s
	else
		return s
	end
end

--[[
Finds whether a sidebar has a subgroup sidebar.
]]
local function hasSubgroup(s)
	if mw.ustring.find(s, cfg.i18n.pattern.subgroup) then
		return true
	else
		return false
	end
end

--[[
Main sidebar function. Takes the frame, args, and an optional collapsibleClass.
The collapsibleClass is and should be used only for sidebars with collapsible
lists, as in p.collapsible.
]]
function p.sidebar(frame, args, collapsibleClass)
	if not args then
		args = getArgs(frame)
	end
	local root = mw.html.create()
	local child = args.child and mw.text.trim(args.child) == cfg.i18n.child_yes

	root = root:tag('table')
	if not child then
		root 
			:addClass(cfg.i18n.class.sidebar)
			-- force collapsibleclass to be sidebar-collapse otherwise output nothing
			:addClass(collapsibleClass == cfg.i18n.class.collapse and cfg.i18n.class.collapse or nil)
			:addClass('nomobile')
			:addClass(args.float == cfg.i18n.float_none and cfg.i18n.class.float_none or nil)
			:addClass(args.float == cfg.i18n.float_left and cfg.i18n.class.float_left or nil)
			:addClass(args.wraplinks ~= cfg.i18n.wrap_true and cfg.i18n.class.wraplinks or nil)
			:addClass(args.bodyclass or args.class)
			:css('width', args.width or nil)
			:cssText(args.bodystyle or args.style)

		if args.outertitle then
			root
				:tag('caption')
					:addClass(cfg.i18n.class.outer_title)
					:addClass(args.outertitleclass)
					:cssText(args.outertitlestyle)
					:wikitext(args.outertitle)
		end

		if args.topimage then
			local imageCell = root:tag('tr'):tag('td')

			imageCell
				:addClass(cfg.i18n.class.top_image)
				:addClass(args.topimageclass)
				:cssText(args.topimagestyle)
				:wikitext(args.topimage)

			if args.topcaption then
				imageCell
					:tag('div')
						:addClass(cfg.i18n.class.top_caption)
						:cssText(args.topcaptionstyle)
						:wikitext(args.topcaption)
			end
		end

		if args.pretitle then
			root
				:tag('tr')
					:tag('td')
						:addClass(args.topimage and cfg.i18n.class.pretitle_with_top_image
							or cfg.i18n.class.pretitle)
						:addClass(args.pretitleclass)
						:cssText(args.basestyle)
						:cssText(args.pretitlestyle)
						:wikitext(args.pretitle)
		end
	else
		root
			:addClass(cfg.i18n.class.subgroup)
			:addClass(args.bodyclass or args.class)
			:cssText(args.bodystyle or args.style)
	end

	if args.title then
		if child then
			root
				:wikitext(args.title)
		else
			root
				:tag('tr')
					:tag('th')
						:addClass(args.pretitle and cfg.i18n.class.title_with_pretitle
							or cfg.i18n.class.title)
						:addClass(args.titleclass)
						:cssText(args.basestyle)
						:cssText(args.titlestyle)
						:wikitext(args.title)
		end
	end

	if args.image then
		local imageCell = root:tag('tr'):tag('td')

		imageCell
			:addClass(cfg.i18n.class.image)
			:addClass(args.imageclass)
			:cssText(args.imagestyle)
			:wikitext(args.image)

		if args.caption then
			imageCell
				:tag('div')
					:addClass(cfg.i18n.class.caption)
					:cssText(args.captionstyle)
					:wikitext(args.caption)
		end
	end

	if args.above then
		root
			:tag('tr')
				:tag('td')
					:addClass(cfg.i18n.class.above)
					:addClass(args.aboveclass)
					:cssText(args.abovestyle)
					:newline() -- newline required for bullet-points to work
					:wikitext(args.above)
	end

	local rowNums = {}
	for k, v in pairs(args) do
		k = '' .. k
		local num = k:match('^heading(%d+)$') or k:match('^content(%d+)$')
		if num then table.insert(rowNums, tonumber(num)) end
	end
	table.sort(rowNums)
	-- remove duplicates from the list (e.g. 3 will be duplicated if both heading3
	-- and content3 are specified)
	for i = #rowNums, 1, -1 do
		if rowNums[i] == rowNums[i - 1] then
			table.remove(rowNums, i)
		end
	end

	for i, num in ipairs(rowNums) do
		local heading = args['heading' .. num]
		if heading then
			root
				:tag('tr')
					:tag('th')
						:addClass(cfg.i18n.class.heading)
						:addClass(args.headingclass)
						:addClass(args['heading' .. num .. 'class'])
						:cssText(args.basestyle)
						:cssText(args.headingstyle)
						:cssText(args['heading' .. num .. 'style'])
						:newline()
						:wikitext(heading)
		end

		local content = args['content' .. num]
		if content then
			root
				:tag('tr')
					:tag('td')
						:addClass(hasSubgroup(content) and cfg.i18n.class.content_with_subgroup
							or cfg.i18n.class.content)
						:addClass(args.contentclass)
						:addClass(args['content' .. num .. 'class'])
						:cssText(args.contentstyle)
						:cssText(args['content' .. num .. 'style'])
						:newline()
						:wikitext(content)
						:done()
					 -- Without a linebreak after the </td>, a nested list like
					 -- "* {{hlist| ...}}" doesn't parse correctly.
					:newline()
		end
	end

	if args.below then
		root
			:tag('tr')
				:tag('td')
					:addClass(cfg.i18n.class.below)
					:addClass(args.belowclass)
					:cssText(args.belowstyle)
					:newline()
					:wikitext(args.below)
	end

	if not child then
		if args.navbar ~= cfg.i18n.navbar_none and args.navbar ~= cfg.i18n.navbar_off and
			(args.name or frame:getParent():getTitle():gsub(cfg.i18n.pattern.sandbox, '') ~=
			cfg.i18n.title_not_to_add_navbar) then
			root
				:tag('tr')
					:tag('td')
						:addClass(cfg.i18n.class.navbar)
						:cssText(args.navbarstyle)
						:wikitext(require('Module:Navbar')._navbar{
							args.name,
							mini = 1,
							fontstyle = args.navbarfontstyle
						})
		end
	end
	
	local base_templatestyles = frame:extensionTag{
		name = 'templatestyles', args = { src = cfg.i18n.templatestyles }
	}
	
	local templatestyles = ''
	if args['templatestyles'] and args['templatestyles'] ~= '' then
		templatestyles = frame:extensionTag{
			name = 'templatestyles', args = { src = args['templatestyles'] }
		}
	end
	
	local child_templatestyles = ''
	if args['child templatestyles'] and args['child templatestyles'] ~= '' then
		child_templatestyles = frame:extensionTag{
			name = 'templatestyles', args = { src = args['child templatestyles'] }
		}
	end
	
	local grandchild_templatestyles = ''
	if args['grandchild templatestyles'] and args['grandchild templatestyles'] ~= '' then
		grandchild_templatestyles = frame:extensionTag{
			name = 'templatestyles', args = { src = args['grandchild templatestyles'] }
		}
	end

	return table.concat({
		base_templatestyles,
		templatestyles,
		child_templatestyles,
		grandchild_templatestyles,
		tostring(root),
		(child and cfg.i18n.category.child or ''),
		categorizeTemplatesWithInlineStyles(args)
	})
end

local function list_title(args, is_centered_list_titles, num)
	
	local title_text = trimAndAddAutomaticNewline(args['list' .. num .. 'title']
		or cfg.i18n.default_list_title)

	local title
	if is_centered_list_titles then
		-- collapsible can be finicky, so provide some CSS/HTML to support
		title = mw.html.create('div')
			:addClass(cfg.i18n.class.list_title_centered)
			:wikitext(title_text)
	else
		title = mw.html.create()
			:wikitext(title_text)
	end
		
	local title_container = mw.html.create('div')
		:addClass(cfg.i18n.class.list_title)
		-- don't /need/ a listnumtitleclass because you can do
		-- .templateclass .listnumclass .sidebar-list-title
		:addClass(args.listtitleclass)
		:cssText(args.basestyle)
		:cssText(args.listtitlestyle)
		:cssText(args['list' .. num .. 'titlestyle'])
		:node(title)
		:done()
	
	return title_container
end

--[[
Main entry point for sidebar with collapsible lists.
Does the work of creating the collapsible lists themselves and including them
into the args.
]]
function p.collapsible(frame)
	local args = getArgs(frame)
	if not args.name and
		frame:getParent():getTitle():gsub(cfg.i18n.pattern.collapse_sandbox, '') ==
		cfg.i18n.collapse_title_not_to_add_navbar then
		args.navbar = cfg.i18n.navbar_none
	end

	local contentArgs = {}
	
	local is_centered_list_titles
	if args['centered list titles'] and args['centered list titles'] ~= '' then
		is_centered_list_titles = true
	else
		is_centered_list_titles = false
	end

	for k, v in pairs(args) do
		local num = string.match(k, '^list(%d+)$')
		if num then
			local expand = args.expanded and
				(args.expanded == 'all' or args.expanded == args['list' .. num .. 'name'])
			local row = mw.html.create('div')
			row
				:addClass(cfg.i18n.class.list)
				:addClass('mw-collapsible')
				:addClass((not expand) and 'mw-collapsed' or nil)
				:addClass(args['list' .. num .. 'class'])
				:cssText(args.listframestyle)
				:cssText(args['list' .. num .. 'framestyle'])
				:node(list_title(args, is_centered_list_titles, num))
				:tag('div')
					:addClass(cfg.i18n.class.list_content)
					:addClass('mw-collapsible-content')
					-- don't /need/ a listnumstyleclass because you can do
					-- .templatename .listnumclass .sidebar-list
					:addClass(args.listclass)
					:cssText(args.liststyle)
					:cssText(args['list' .. num .. 'style'])
					:wikitext(trimAndAddAutomaticNewline(args['list' .. num]))

			contentArgs['content' .. num] = tostring(row)
		end
	end

	for k, v in pairs(contentArgs) do
		args[k] = v
	end

	return p.sidebar(frame, args, cfg.i18n.class.collapse)
end

return p