ਮੌਡਿਊਲ:RunningHeader/core
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Core logic for Module:RunningHeader and {{RunningHeader}}.
--[=[
Implements running header templates
]=]
require('strict')
local getArgs = require('Module:Arguments').getArgs
local make_attribute_string = require('Module:Optional CSS attribute').make_attribute_string
local p = {}
-- Core logic
local function running_header_core(args)
-- how many cells the header has
local n = tonumber(args.n)
if not n and args[4] then
n = 4
elseif not n then
n = 3
end
-- classes
local base_class = 'wst-running-header'
local class = args.class or (base_class .. '-default')
local class_attr = make_attribute_string('class', {['class'] = table.concat({base_class, base_class .. '-' .. n, class}, ' ')})
local cell_class_attr = make_attribute_string('class', {['class'] = base_class .. '-cell'})
-- manual style for the whole header
local style_attr = make_attribute_string('style', {['style'] = args.style})
local manual_style = style_attr ~= ''
-- alternate names for the cell content if there are 3 cells
if n == 3 then
args[1] = args[1] or args.left
args[2] = args[2] or args.center or args.centre
args[3] = args[3] or args.right
end
-- assemble the header
local div_open = '<div ' .. class_attr .. ' ' .. style_attr .. '>'
local cells = {}
for k = 1, n, 1 do
-- manual style for the cell
local cell_style_attr = make_attribute_string('style', {['style'] = args['style' .. k]})
manual_style = manual_style or cell_style_attr ~= ''
cells[k] = '<div ' .. cell_class_attr .. ' ' .. cell_style_attr .. '>' .. (args[k] or '') .. '</div>'
end
local style_cat = ''
if manual_style then
style_cat = '[[Category:Running headers applying manual styles]]'
end
return div_open .. table.concat(cells) .. '</div>' .. style_cat
end
-- Template:RunningHeader
function p._running_header(args)
return running_header_core(args)
end
function p.running_header(frame)
local args = getArgs(frame, {trim = true, removeBlanks = false})
return p._running_header(args)
end
return p