Module:Subject bar
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local getPortalImage = require('Module:Portal').image
local p = {}
local function getArgNums(prefix, args)
-- Returns a table containing the numbers of the arguments that exist for the specified prefix. For example, if the
-- prefix was 'data', and 'data1', 'data2', and 'data5' exist, it would return {1, 2, 5}.
local nums = {}
for k, v in pairs(args) do
local num = tostring(k):match('^' .. prefix .. '([1-9]%d*)$')
if num then table.insert(nums, tonumber(num)) end
end
table.sort(nums)
return nums
end
local function makeHorizontalRule()
local row = mw.html.create('tr')
row
:tag('td')
:attr('colspan', '2')
:tag('hr', {selfClosing = true})
return tostring(row)
end
local function makeItem(image, text)
local root = mw.html.create('li')
root
:css('float', 'left')
:css('margin-left', '0.3em')
:css('height', '3.6em')
:tag('span')
:css('display', 'inline-block')
:css('margin-right', '0.3em')
:css('width', '30px')
:css('line-height', '3.6em')
:css('text-align', 'center')
:wikitext(image)
:done()
:tag('span')
:css('display', 'inline-block')
:css('width', '11em')
:css('vertical-align', 'middle')
:wikitext(text)
return tostring(root)
end
local function makeRow(items, heading, subheading, options)
if #items < 1 then return end
local swapHeadingSize = type(options) == 'table' and options.swapHeadingSize or false
local row = mw.html.create('tr')
row
:tag('td')
:css('width', '175px')
:tag('span')
:css('font-size', swapHeadingSize and '90%' or '125%')
:wikitext(heading)
:done()
:tag('br', {selfClosing = true})
:done()
:tag('span')
:css('font-size', swapHeadingSize and '125%' or '90%')
:wikitext(subheading)
local list = row:tag('td'):css('text-align', 'left'):tag('ul')
for i, item in ipairs(items) do
local image = item[1]
local text = item[2]
list
:wikitext(makeItem(image, text))
end
return tostring(row)
end
local function makeNumberedRow(prefix, args, heading, subheading, getItemValsFunc, options)
if args[prefix] then
args[prefix .. '1'] = args[prefix]
end
local argNums = getArgNums(prefix, args)
local items = {}
for i, argNum in ipairs(argNums) do
local image, text = getItemValsFunc(args[prefix .. tostring(argNum)])
table.insert(items, {image, text})
end
return makeRow(items, heading, subheading, options)
end
function p._main(args)
local rows = {}
-- Get the book row text. local bookHeading = "Books" local bookSubheading = 'View or order collections of articles' local function getBookItemVals(book) local image = '' local text = mw.ustring.format("%s", book, book) return image, text end local bookRow = makeNumberedRow('book', args, bookHeading, bookSubheading, getBookItemVals) table.insert(rows, bookRow)
-- Get the portal row text local portalHeading = "Portals" local portalSubheading = 'Access related topics' local function getPortalItemVals(portal) local image = mw.ustring.format('30x30px', getPortalImage{portal}) local text = mw.ustring.format("%s portal", portal, portal) return image, text end local portalRow = makeNumberedRow('portal', args, portalHeading, portalSubheading, getPortalItemVals) table.insert(rows, portalRow)
-- Get the sister projects row text.
local sisters = {
{arg = 'commons', image = 'Commons-logo.svg', prefix = 'commons', display = 'Media', from = 'Commons'},
{arg = 'species', image = 'Wikispecies-logo.svg', prefix = 'wikispecies', display = 'Species directories', from = 'Wikispecies'},
{arg = 'voy', image = 'Wikivoyage-Logo-v3-icon.svg', prefix = 'voy', display = 'Travel guides', from = 'Wikivoyage'},
{arg = 'n', image = 'Wikinews-logo.svg', prefix = 'wikinews', display = 'News stories', from = 'Wikinews'},
{arg = 'wikt', image = 'Wiktionary-logo-v2.svg', prefix = 'wiktionary', postfix = 'English', display = 'Definitions', from = 'Wiktionary'},
{arg = 'b', image = 'Wikibooks-logo.svg', prefix = 'wikibooks', display = 'Textbooks', from = 'Wikibooks'},
{arg = 'q', image = 'Wikiquote-logo.svg', prefix = 'wikiquote', display = 'Quotations', from = 'Wikiquote'},
{arg = 's', image = 'Wikisource-logo.svg', prefix = 'wikisource', display = 'Source texts', from = 'Wikisource'},
{arg = 'v', image = 'Wikiversity-logo.svg', prefix = 'wikiversity', display = 'Learning resources', from = 'Wikiversity'},
{arg = 'd', image = 'Wikidata-logo.svg', prefix = 'wikidata', display = 'Data', from = 'Wikidata'},
{arg = 'spoken', image = 'Sound-icon.svg', prefix = 'spoken wikipedia', display = 'Listen to this page', from = 'Spoken Wikipedia'},
}
local sisterItems = {}
for i, t in ipairs(sisters) do
if args[t.arg] then
-- Get the image value.
local image = mw.ustring.format('30x30px', t.image)
-- Get the text value.
local prefix = t.prefix
local search = args[t.arg .. '-search'] or mw.title.getCurrentTitle().text
local postfix = t.postfix
postfix = postfix and ('#' .. postfix) or
local display = t.display
local from = t.from
local text = mw.ustring.format(
'%s
from %s',
prefix, search, postfix, display, from
)
if t.arg == 'spoken' then
text = mw.ustring.format('%s on %s
File:%s',
display, from, args[t.arg]
)
end
-- Add the values to the items table.
table.insert(sisterItems, {image, text})
end
end
local sisterHeading = "Find out more on Wikipedia's"
local sisterSubheading = "Sister projects"
local sisterRow = makeRow(sisterItems, sisterHeading, sisterSubheading, {swapHeadingSize = true})
table.insert(rows, sisterRow)
-- Make the table.
local root = mw.html.create('table')
root
:attr('role', 'presentation')
:addClass('noprint')
:addClass('navbox')
:addClass('metadata')
:addClass('plainlist')
:css('background-color', '#f9f9f9')
:css('border', '1px solid #aaa')
:css('clear', 'both')
:css('margin-bottom', '0.5em')
:css('margin-top', '0.5em')
:wikitext(table.concat(rows, makeHorizontalRule()))
return tostring(root)
end
function p.main(frame)
-- If called via #invoke, use the args passed into the invoking template, or the args passed to #invoke if any exist. Otherwise
-- assume args are being passed directly in from the debug console or from another Lua module.
local origArgs
if frame == mw.getCurrentFrame() then
origArgs = frame:getParent().args
for k, v in pairs(frame.args) do
origArgs = frame.args
break
end
else
origArgs = frame
end
-- Remove blank arguments.
local args = {}
for k, v in pairs(origArgs) do
if v ~= then
args[k] = v
end
end
return p._main(args)
end
return p