Module:Clickable button

-- This module implements.

local yesno = require('Module:Yesno')

local p = {}

function p.main(frame) local args = require('Module:Arguments').getArgs(frame, {		wrappers = 'Template:Clickable button'	}) return p.luaMain(args) end

function p.luaMain(args) if not args[1] and not args.url then return '' end local data = p.makeLinkData(args) local link = p.renderLink(data) local trackingCategories = p.renderTrackingCategories(args) return link .. trackingCategories end

function p.makeLinkData(args) local data = {}

-- Get the link and display values, and find whether we are outputting a	-- wikilink or a URL. if args.url then data.isUrl = true data.link = args.url if args[1] then data.display = args[1] else data.display = args.url end else data.isUrl = false data.link = args[1] if args[2] then data.display = args[2] else data.display = args[1] end end

-- Classes local class = args.class and args.class:lower data.classes = {} if class == 'ui-button-green' or class == 'ui-button-blue' or class == 'ui-button-red' then table.insert(			data.classes,			'submit ui-button ui-widget ui-state-default ui-corner-all'				.. ' ui-button-text-only ui-button-text'		) elseif class ~= 'default' then table.insert(data.classes, 'mw-ui-button') end if class then table.insert(data.classes, class) end

-- Styles do --		-- Check whether we are on the same page as we have specified in		-- args[1], but not if we are using a URL link, as then args[1] is only		-- a display value. If we are currently on the page specified in		-- args[1] make the button colour darker so that it stands out from		-- other buttons on the page.		-- local success, linkTitle, currentTitle if not data.isUrl then currentTitle = mw.title.getCurrentTitle success, linkTitle = pcall(mw.title.new, args[1]) end if success and linkTitle and mw.title.equals(currentTitle, linkTitle) then if class == 'ui-button-blue' or class == 'mw-ui-progressive' or class == 'mw-ui-constructive' then data.backgroundColor = '#2962CB' elseif class == 'ui-button-green' then data.backgroundColor = '#008B6D' elseif class == 'ui-button-red' or class == 'mw-ui-destructive' then data.backgroundColor = '#A6170F' else data.backgroundColor = '#CCC' data.color = '#666' end end -- Add user-specified styles. data.style = args.style end

return data end

function p.renderLink(data) -- Render the display span tag. local display do local displaySpan = mw.html.create('span') for i, class in ipairs(data.classes or {}) do			displaySpan:addClass(class) end displaySpan :css{ ['background-color'] = data.backgroundColor, color = data.color }		if data.style then displaySpan:cssText(data.style) end displaySpan:wikitext(data.display) display = tostring(displaySpan) end

-- Render the link local link if data.isUrl then link = string.format('[%s %s]', data.link, display) else link = string.format('%s', data.link, display) end

return string.format(' %s ', link) end

function p.renderTrackingCategories(args) if yesno(args.category) == false then return '' end local class = args.class and args.class:lower if class == 'ui-button-green' or class == 'ui-button-blue' or class == 'ui-button-red' then return '' else return '' end end

return p