Module:Sidebar

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Documentation for this module may be created at Module:Sidebar/doc

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

local function has_navbar(navbar_mode, sidebar_name)
    return navbar_mode ~= cfg.i18n.navbar_none and
        navbar_mode ~= cfg.i18n.navbar_off and
        (
            sidebar_name or
            mw.getCurrentFrame():getParent():getTitle():gsub(cfg.i18n.pattern.sandbox, '') ~=
            cfg.i18n.title_not_to_add_navbar
        )
end

local function has_list_class(args, htmlclass)
    local patterns = {
        '^' .. htmlclass .. '$',
        '%s' .. htmlclass .. '$',
        '^' .. htmlclass .. '%s',
        '%s' .. htmlclass .. '%s'
    }
    
    for arg, value in pairs(args) do
        if type(arg) == 'string' and mw.ustring.find(arg, 'class') then
            for _, pattern in ipairs(patterns) do
                if mw.ustring.find(args[arg] or '', pattern) then
                    return true
                end
            end
        end
    end
    return false
end

-- there are a lot of list classes in the wild, so we add their TemplateStyles
local function add_list_styles(args)
    local frame = mw.getCurrentFrame()
    local function add_list_templatestyles(htmlclass, templatestyles)
        if has_list_class(args, htmlclass) then
            return frame:extensionTag{
                name = 'templatestyles', args = { src = templatestyles }
            }
        else
            return ''
        end
    end
    
    local plainlist_styles = add_list_templatestyles('plainlist', cfg.i18n.plainlist_templatestyles)
    local hlist_styles = add_list_templatestyles('hlist', cfg.i18n.hlist_templatestyles)
    
    -- a second workaround for [[phab:T303378]]
    -- when that issue is fixed, we can actually use has_navbar not to emit the
    -- tag here if we want
    if has_navbar(args.navbar, args.name) and hlist_styles == '' then
        hlist_styles = frame:extensionTag{
            name = 'templatestyles', args = { src = cfg.i18n.hlist_templatestyles}
        }
    end

    -- hlist -> plainlist is best-effort to preserve old Common.css ordering. [hlist_note]
    return hlist_styles .. plainlist_styles
end

-- work around [[phab:T303378]]
-- for each arg: find all the templatestyles strip markers, insert them into a
-- table. then remove all templatestyles markers from the arg
local function move_hiding_templatestyles(args)
    local gfind = string.gfind
    local gsub = string.gsub
    local templatestyles_markers = {}
    local strip_marker_pattern = '(\127[^\127]*UNIQ%-%-templatestyles%-%x+%-QINU[^\127]*\127)'
    for k, arg in pairs(args) do
        for marker in gfind(arg, strip_marker_pattern) do
            table.insert(templatestyles_markers, marker)
        end
        args[k] = gsub(arg, strip_marker_pattern, '')
    end
    return templatestyles_markers
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 hiding_templatestyles = table.concat(move_hiding_templatestyles(args))
    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 and has_navbar(args.navbar, args.name) 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
    
    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({
        add_list_styles(args), -- see [hlist_note] above about ordering
        base_templatestyles,
        templatestyles,
        child_templatestyles,
        grandchild_templatestyles,
        hiding_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 = false
    if args['centered list titles'] and args['centered list titles'] ~= '' then
        is_centered_list_titles = true
    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