Modulus:columns
Purpose
+/-This module creates tables of balanced columns. It should not be used directly in entries, but in templates such as {{der2}} or {{der3}}. Table entries are given as parameters to the template.
Examples
+/-{{#invoke:columns|display|sort=1|collapse=1|columns=3|title=Derived terms}} -> {{der3|z|y|x|w|v|u|t|lang=en}}
{{#invoke:columns|display|sort=1|collapse=1|columns=2|title=Derived terms}} -> {{der2|a|b|c|d|e|f|g|lang=nl}}
Parameters
+/-class: CSS table class. Defaults to "Derived terms"collapse: Toggle collapse of table. Defaults to false.columns: Number of columns in the table. Defaults to 1.lang: Language to link entries in table. If left undefined, the entry calling the template will have to provide it.sort: Toggle sorting of the entries in the table. Defaults to false.title: Title of the table (if collapse == true). Defaults to empty string.
local export = {}
local m_links = require("Module:links")
local m_languages = require("Module:languages")
-- Custom functions for generating a sortkey that will achieve the desired sort
-- order.
-- name of module and name of exported function
local custom_sort_functions = {
egy = { "egy-utilities", "make_sortkey" },
}
local function get_col_lengths(n_columns, n_items)
local r = math.mod(n_items, n_columns)
local col_lengths = {}
for i = 1, n_columns do
table.insert(col_lengths, (n_items - r) / n_columns)
if (i <= r) then
col_lengths[i] = col_lengths[i] + 1
end
end
return col_lengths
end
local function set_columns(n_columns, items, line_start, lang)
local col_lengths = get_col_lengths(n_columns, #items)
local result = {}
local count = 1
for i = 1, n_columns do
local col = {}
for j = 1, col_lengths[i] do
local item = items[count]
if lang and not string.find(item, "<span") then
item = m_links.full_link({lang = lang, term = item})
end
col[j] = '\n' .. line_start .. item
count = count + 1
end
result[i] = table.concat(col)
end
return result
end
local function laborious_comp(item1, item2)
local l1 = mw.ustring.len(item1)
local l2 = mw.ustring.len(item2)
for i=1,math.min(l1,l2) do
local b1 = mw.ustring.codepoint(item1, i, i)
local b2 = mw.ustring.codepoint(item2, i, i)
if b1 ~= b2 then
return b1 < b2
end
end
return l1 < l2
end
local function do_alphabetize(content, lang)
if lang then
local cache = {}
local custom_sort_function = custom_sort_functions[lang:getCode()]
local makeSortKey =
custom_sort_function and require("Module:" .. custom_sort_function[1])[custom_sort_function[2]]
or function(text)
return lang:makeSortKey(text)
end
local function prepare(element)
local result = cache[element]
if result then
return result
end
result = m_links.remove_links(element)
result = mw.ustring.gsub(result, "[%p ]", "")
result = makeSortKey(lang:makeEntryName(result))
cache[element] = result
return result
end
local SMP = false
-- Search for UTF-8-encoded characters with codepoints above U+FFFF.
-- Their byte sequences are four bytes long and begin with the bytes 240
-- to 244. The C locale used by our copy of Lua does not handle them
-- correctly.
for _, element in ipairs(content) do
if element:find '[\240-\244]' then
SMP = true
--[[Special:WhatLinksHere/Template:tracking/columns/SMP]]
require 'Module:debug'.track('columns/SMP')
break
end
end
local comp = SMP and laborious_comp
or function (item1, item2)
return prepare(item1) < prepare(item2)
end
table.sort(content, comp)
else
table.sort(content)
end
end
local function get_col_header(bg, collapse, class, title, column_width)
if collapse then
return table.concat {'<div class="NavFrame">\n<div class="NavHead">',
title,
'</div>\n<div class="NavContent">\n{| style="width: 100%;" role="presentation" class="',
class,
'"\n|-\n| style="vertical-align: top; text-align: left; background-color: ',
bg,
'; width: ',
column_width,
'%;" |'}
else
return table.concat {'<div style="width: auto; margin: 0; overflow: auto;">\n{| role="presentation" style="width: 100%"\n|-\n| style="background: ',
bg,
'; vertical-align: top; width: ',
column_width,
'%" |'}
end
end
function export.create_table(n_columns, content, alphabetize, bg, collapse, class, title, column_width, line_start, lang)
if column_width then
require("Module:debug").track("columns/column_width")
end
column_width = column_width or math.floor(80 / n_columns)
if line_start then
require("Module:debug").track("columns/line_start")
end
line_start = line_start or "* "
local separator = '\n| style="width: 1%;" |\n| style="background: ' .. bg .. '; vertical-align: top; text-align: left; width: ' .. column_width .. '%;" |'
local final = ''
if collapse then
final = '\n|}</div></div>'
else
final = '\n|}</div>'
end
if alphabetize then
do_alphabetize(content, lang)
end
local header = get_col_header(bg, collapse, class, title, column_width)
local columns_t = set_columns(n_columns, content, line_start, lang)
local columns = table.concat(columns_t, separator)
return header .. columns .. final
end
function export.display(frame)
local params = {
["class"] = {default = "derivedterms"},
["collapse"] = {type = "boolean"},
["columns"] = {type = "number", default = 1},
["lang"] = {},
["sort"] = {type = "boolean"},
["title"] = {default = ""},
}
local frame_args = require("Module:parameters").process(frame.args, params)
params = {
[1] = {list = true},
["title"] = {},
["lang"] = not frame_args["lang"] and {required = true, default = "und"} or nil,
["collapse"] = {},
}
local args = require("Module:parameters").process(frame:getParent().args, params)
local lang = frame_args["lang"] or args["lang"]
lang = m_languages.getByCode(lang) or m_languages.err(lang, "lang")
return export.create_table(frame_args["columns"], args[1], frame_args["sort"], "#F8F8FF", frame_args["collapse"], frame_args["class"], args["title"] or frame_args["title"], nil, nil, lang)
end
return export