wnsrc/lua/pac3/editor/client/panels.lua

--[[
| This file was obtained through the combined efforts
| of Madbluntz & Plymouth Antiquarian Society.
|
| Credits: lifestorm, Gregory Wayne Rossel JR.,
| 	Maloy, DrPepper10 @ RIP, Atle!
|
| Visit for more: https://plymouth.thetwilightzone.ru/
--]]


pace.RegisteredPanels = {}
local TRACK_UNUSED_PANELS = false

function pace.RegisterPanel(PANEL)
	pace.RegisteredPanels[PANEL.ClassName] = PANEL
	vgui.Register("pace_" .. PANEL.ClassName, PANEL, PANEL.Base)
end

function pace.PanelExists(class_name)
	return pace.GetRegisteredPanel(class_name) ~= nil
end

function pace.GetRegisteredPanel(class_name)
	return pace.RegisteredPanels[class_name]
end

function pace.CreatePanel(class_name, parent)
	local pnl = vgui.Create("pace_" .. class_name, parent)
	table.insert(pace.ActivePanels, pnl)

	if TRACK_UNUSED_PANELS and class_name ~= 'editor' then
		local debugTrace = debug.traceback()

		timer.Simple(0, function()
			if not IsValid(pnl) then return end
			local parent = pnl:GetParent()
			if not IsValid(parent) or parent:GetClassName() == 'CGModBase' then
				pac.Message('Panel was created without valid parent! ' .. class_name)
				pac.Message(debugTrace)
			end
		end)
	end

	return pnl
end

function pace.RegisterPanels()
	local files

	if file.FindInLua then
		files = file.FindInLua("pac3/editor/client/panels/*.lua")
	else
		files = file.Find("pac3/editor/client/panels/*.lua", "LUA")
	end

	for _, name in pairs(files) do
		include("pac3/editor/client/panels/" .. name)
	end
end