assert(plugin, "此脚本必须作为插件运行")

local Selection = game:GetService("Selection")

local toolbar = plugin:CreateToolbar("部件")
local pluginToolbarButton = toolbar:CreateButton(
	"随机化颜色",
	"点击此按钮将随机颜色分配给选定的部件",
	"rbxassetid://5325741572" -- 一个彩虹
)

local function onClick()
	local selection = Selection:Get()
	for _, object in pairs(selection) do
		if object:IsA("BasePart") then
			object.BrickColor = BrickColor.random()
		end
	end
end
pluginToolbarButton.Click:Connect(onClick)

local function doesSelectionContainAPart()
	local selection = Selection:Get()
	for _, object in pairs(selection) do
		if object:IsA("BasePart") then
			return true
		end
	end
	return false
end

local function onSelectionChanged()
	pluginToolbarButton.Enabled = doesSelectionContainAPart()
end
Selection.SelectionChanged:Connect(onSelectionChanged)
onSelectionChanged()

assert(plugin, "这个脚本必须作为插件运行")

local toolbar = plugin:CreateToolbar("你好，世界 插件工具栏")
local pluginToolbarButton =
	toolbar:CreateButton("打印你好，世界", "点击这个按钮打印你好，世界！", "rbxassetid://133293265")

local function onClick()
	print("你好，世界")
end

pluginToolbarButton.Click:Connect(onClick)