Difference between revisions of "Module:Toolbar"

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blackwiki>Mr. Stradivarius
(use a more efficient string-building algorithm)
blackwiki>Mr. Stradivarius
(allow access to the p._main function from other modules, return the blank string if no arguments were specified, and switch indentation to tabs)
Line 1: Line 1:
 
local p = {}
 
local p = {}
  
-- Get the keys of the numerical arguments that are present.
 
 
local function getArgNums(args)
 
local function getArgNums(args)
    local nums = {}
+
-- Get the keys of the numerical arguments that are present.
    local tinsert = table.insert
+
local nums = {}
    for k, v in pairs(args) do
+
local tinsert = table.insert
        if type(k) == 'number' then
+
for k, v in pairs(args) do
            tinsert(nums, k)
+
if type(k) == 'number' then
        end
+
tinsert(nums, k)
    end
+
end
    table.sort(nums)
+
end
    return nums
+
table.sort(nums)
 +
return nums
 
end
 
end
  
 
local function makeToolbarItems(args)
 
local function makeToolbarItems(args)
    -- Get numerical argument keys.
+
local nums = getArgNums(args)
    local nums = getArgNums(args)
+
local sep = (args.separator or 'pipe') .. '-separator'
    -- Get the separator text.
+
sep = mw.message.new(sep):plain()
    local sep = (args.separator or 'pipe') .. '-separator'
+
local ret = {}
    sep = mw.message.new(sep):plain()
+
local tinsert = table.insert
   
+
for i, v in ipairs(nums) do
    -- Generate the toolbar items.
+
tinsert(ret, args[v])
    local ret = {}
+
end
    local tinsert = table.insert
+
if #ret > 0 then
    for i, v in ipairs(nums) do
+
return table.concat(ret, sep)
    tinsert(ret, args[v])
+
end
    end
 
    return table.concat(ret, sep)
 
 
end
 
end
  
local function makeToolbar(args)
+
function p._main(args)
    return mw.ustring.format(
+
local toolbarItems = makeToolbarItems(args)
    '<span class="plainlinks%s"%s>(%s)</span>',
+
if not toolbarItems then return '' end -- Return the blank string if no arguments were specified, rather than returning empty brackets
    type(args.class) == 'string' and ' ' .. args.class or '',
+
return mw.ustring.format(
    type(args.style) == 'string' and mw.ustring.format(' style="%s"', args.style) or '',
+
'<span class="plainlinks%s"%s>(%s)</span>',
    makeToolbarItems(args)
+
type(args.class) == 'string' and ' ' .. args.class or '',
    )
+
type(args.style) == 'string' and mw.ustring.format(' style="%s"', args.style) or '',
 +
toolbarItems
 +
)
 
end
 
end
  
 
function p.main(frame)
 
function p.main(frame)
    -- If called via #invoke, use the args passed into the invoking template.
+
-- If called via #invoke, use the args passed into the invoking template.
    -- Otherwise, for testing purposes, assume args are being passed directly in.
+
-- Otherwise, for testing purposes, assume args are being passed directly in.
    local origArgs
+
local origArgs
    if frame == mw.getCurrentFrame() then
+
if frame == mw.getCurrentFrame() then
        origArgs = frame:getParent().args
+
origArgs = frame:getParent().args
        for k, v in pairs(frame.args) do
+
for k, v in pairs(frame.args) do
        origArgs = frame.args
+
origArgs = frame.args
        break
+
break
    end
+
end
    else
+
else
        origArgs = frame
+
origArgs = frame
    end
+
end
   
+
-- Strip whitespace and remove nil values
    -- Strip whitespace and remove nil values
+
local args = {}
    local args = {}
+
for k, v in pairs(origArgs) do
    for k, v in pairs(origArgs) do
+
if type(v) == 'string' then
    if type(v) == 'string' then
+
v = mw.text.trim(v)
    v = mw.text.trim(v)
+
end
    end
+
if v ~= '' then
        if v ~= '' then
+
args[k] = v
            args[k] = v
+
end
        end
+
end
    end
+
return p._main(args)
   
 
    return makeToolbar(args)
 
 
end
 
end
+
 
 
return p
 
return p

Revision as of 01:00, 29 October 2013

This module implements {{toolbar}}. Please see the template page for documentation.

See also


local p = {}

local function getArgNums(args)
	-- Get the keys of the numerical arguments that are present.
	local nums = {}
	local tinsert = table.insert
	for k, v in pairs(args) do
		if type(k) == 'number' then
			tinsert(nums, k)
		end
	end
	table.sort(nums)
	return nums
end

local function makeToolbarItems(args)
	local nums = getArgNums(args)
	local sep = (args.separator or 'pipe') .. '-separator'
	sep = mw.message.new(sep):plain()
	local ret = {}
	local tinsert = table.insert
	for i, v in ipairs(nums) do
		tinsert(ret, args[v])
	end
	if #ret > 0 then
		return table.concat(ret, sep)
	end
end

function p._main(args)
	local toolbarItems = makeToolbarItems(args)
	if not toolbarItems then return '' end -- Return the blank string if no arguments were specified, rather than returning empty brackets
	return mw.ustring.format(
		'<span class="plainlinks%s"%s>(%s)</span>',
		type(args.class) == 'string' and ' ' .. args.class or '',
		type(args.style) == 'string' and mw.ustring.format(' style="%s"', args.style) or '',
		toolbarItems
	)
end

function p.main(frame)
	-- If called via #invoke, use the args passed into the invoking template.
	-- Otherwise, for testing purposes, assume args are being passed directly in.
	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
	-- Strip whitespace and remove nil values
	local args = {}
	for k, v in pairs(origArgs) do
		if type(v) == 'string' then
			v = mw.text.trim(v)
		end
		if v ~= '' then
			args[k] = v
		end
	end
	return p._main(args)
end

return p