Module:List and Template:Template link expanded: Difference between pages

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(Difference between pages)
en>Mr. Stradivarius
(simplify the type-property-checking code)
 
en>AzaToth
(the name of the template might look better if all can be in lowercase)
 
Line 1: Line 1:
-- This module outputs different kinds of lists. At the moment, bulleted, unbulleted,
<includeonly><span style="font-family:monospace;"><nowiki>{{</nowiki>[[{{{LANG|}}}{{{SISTER|}}}{{ns:Template}}:{{{1|}}}|{{#ifeq:{{lcfirst:{{{1|}}}}}|{{lc:{{{1|}}}}}|{{lcfirst:{{{1|}}}}}|{{{1}}}}}]]<!--
-- horizontal, ordered, and horizontal ordered lists are supported.
-->{{#if:{{{2|}}}|
 
&#124;{{{2}}}
local p = {}
}}<!--
 
-->{{#if:{{{3|}}}|
local htmlBuilder = require('Module:HtmlBuilder')
&#124;{{{3}}}
 
}}<!--
local function getListItem(data, style, itemStyle, itemValue)
-->{{#if:{{{4|}}}|
if not data then
&#124;{{{4}}}
return c
}}<!--
end
-->{{#if:{{{5|}}}|
local item = htmlBuilder.create('li')
&#124;{{{5}}}
item
}}<!--
.cssText(style)
-->{{#if:{{{6|}}}|
.cssText(itemStyle)
&#124;<i>...</i>
.wikitext(data)
}}<nowiki>}}</nowiki></span></includeonly><noinclude>{{Tlx/doc}}</noinclude>
if(itemValue) then
item.attr('value',itemValue)
end
return tostring(item)
end
 
local function getArgNums(args)
-- Returns an array containing the keys of all positional arguments
-- that contain data (i.e. non-whitespace values).
local nums = {}
for k, v in pairs(args) do
if type(k) == 'number' and
k >= 1 and
math.floor(k) == k and
mw.ustring.match(v, '%S') then
table.insert(nums, k)
end
end
table.sort(nums)
return nums
end
 
function p.makeList(listType, args)
-- This is the main function to be called from other Lua modules.
-- First, get the list items.
local listItems = {}
local argNums = getArgNums(args)
for i, num in ipairs(argNums) do
local item = getListItem(
args[num],
args.item_style or args.li_style, -- li_style is included for backwards compatibility. item_style was included to be easier to understand for non-coders.
args['item_style' .. tostring(num)] or args['li_style' .. tostring(num)],
args['item_value' .. tostring(num)]
)
table.insert(listItems, item)
end
if #listItems == 0 then
return ''
end
-- Build the list html.
local root = htmlBuilder.create('div')
if listType == 'horizontal' or listType == 'horizontal_ordered' then
root.addClass('hlist')
elseif listType == 'unbulleted' then
root.addClass('plainlist')
end
root.addClass(args.class)
if listType == 'horizontal' or listType == 'horizontal_ordered' then
local indent = tonumber(args.indent)
indent = tostring((indent and indent * 1.6) or 0)
root.css('margin-left', indent .. 'em')
end
-- Detect if the type attribute specified by args.type is using an invalid value, and if so try passing it as a list-style-type CSS property.
local listStyleType = args.list_style_type or args['list-style-type']
local listType = args['type']
if listType and not listType:match('^%s*[1AaIi]%s*$') then
if not listStyleType then
listStyleType = listType
listType = nil
end
end
root.cssText(args.style)
local list = root.tag((listType == 'ordered' or listType == 'horizontal_ordered') and 'ol' or 'ul')
list
.attr('start', args.start)
.attr('type', listType)
.css('list-style-type', listStyleType)
.cssText(args.list_style or args.ul_style or args.ol_style) -- ul_style and ol_style are included for backwards compatibility. No distinction is made for ordered or unordered lists.
.wikitext(table.concat(listItems))
return tostring(root)
end
 
local function makeWrapper(listType)
return function(frame)
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
local args = {}
for k, v in pairs(origArgs) do
if type(k) == 'number' or v ~= '' then
args[k] = v
end
end
return p.makeList(listType, args)
end
end
 
local funcNames = {'bulleted', 'unbulleted', 'horizontal', 'ordered', 'horizontal_ordered'}
 
for _, funcName in ipairs(funcNames) do
p[funcName] = makeWrapper(funcName)
end
 
return p

Revision as of 14:51, 1 April 2007