模块文档 | 此模块使用Lua语言： |
- 本模块使用以下模板样式：模块:If preview/styles.css
此模块用于实现模板{{if preview}}和{{preview warning}}的功能。它有助于模板/模块确定它们是否处于被预览的状态。
倾向于在其他模板中实现该模板的版本。
若要在一个模块中使用main()，你需要传递一个框架表和一个args表。
对于预览警告，请使用_warning()。
local p = {}
local cfg = mw.loadData('Module:If preview/configuration')
--[[
main
This function returns either the first argument or second argument passed to
this module, depending on whether the page is being previewed.
]]
function p.main(frame)
if cfg.preview then
return frame.args[1] or ''
else
return frame.args[2] or ''
end
end
--[[
pmain
This function returns either the first argument or second argument passed to
this module's parent (i.e. template using this module), depending on whether it
is being previewed.
]]
function p.pmain(frame)
return p.main(frame:getParent())
end
local function warning_text(warning)
return mw.ustring.format(
cfg.warning_infrastructure,
cfg.templatestyles,
warning
)
end
function p._warning(args)
local warning = args[1] and args[1]:match('^%s*(.-)%s*$') or ''
if warning == '' then
return warning_text(cfg.missing_warning)
end
if not cfg.preview then return '' end
return warning_text(warning)
end
--[[
warning
This function returns a "preview warning", which is the first argument marked
up with HTML and some supporting text, depending on whether the page is being previewed.
disabled since we'll implement the template version in general
]]
--function p.warning(frame)
-- return p._warning(frame.args)
--end
--[[
warning, but for pass-through templates like {{preview warning}}
]]
function p.pwarning(frame)
return p._warning(frame:getParent().args)
end
return p