monolified-boxui/main/logger.lua

return function(BOXUI)

local utils = BOXUI.utils
local List = BOXUI.list

local M = utils.newclass("logger", List)

M.init = function(self, x, y, width, height)
	List.init(self, x, y, width, height)
	self.count = 0
	self.maxlog = 50
	self.icons = nil
end

M.format = function(i, text, count)
	if count then return ("%.3i:\t%s (x %i)"):format(i, text, count) end
	return ("%.3i:\t%s"):format(i, text)
end

M.add = function(self, text, level)
	local logitems = self.list.items
	local entry = {raw = text, icon = self.icons[level or "ok"]}
	if not logitems then
		self.count = self.count + 1
		entry.text = self.format(self.count, text)
		self:setItems({entry}, true)
		return
	end
	local len = #logitems
	if logitems[len].raw == text then
		entry = logitems[len]
		entry.count = (entry.count or 1) + 1
		entry.text = self.format(self.count, text, entry.count)
		table.remove(logitems)
	else
		self.count = self.count + 1
		entry.text = self.format(self.count, text)
	end
	
	if len >= self.maxlog then table.remove(logitems, 1) end
	table.insert(logitems, entry)
	self:setItems(logitems, true)
end

BOXUI.add(M)
end