-- 传入互斥的checkbox列表，格式如下
--[[checkBoxs = 
{
	box_1 = callBack_1,
	box_1 = callBack_1,
	box_1 = callBack_1,
}--]]
local RadioCheckBox = class("RadioCheckBox")

function RadioCheckBox:ctor()
	-- checkBox集合
	self.checkBoxs = {}
	self.lastSelectedBox = nil
end

-- 注册回调函数
function RadioCheckBox:registerCheckBoxs(checkBoxs, defaultSelect)
	-- checkBox集合
	self.checkBoxs = checkBoxs
	self.lastSelectedBox = defaultSelect
	
	if self.lastSelectedBox then
		self.lastSelectedBox:setSelectedState(true)
		local callbackfun = self.checkBoxs[self.lastSelectedBox]
		if type(callbackfun) == "function" then
			callbackfun()
		end
	end
	for i, v in pairs(self.checkBoxs) do
		local function onCheckBoxClicked()
			if i:getSelectedState() then
				if self.lastSelectedBox then
					self.lastSelectedBox:setSelectedState(false)
				end
				
				-- 回调被选中的函数
				if type(v) == "function" then
					if v() == false then
						i:setSelectedState(false)
						if self.lastSelectedBox then
							self.lastSelectedBox:setSelectedState(true)
						end
						return
					end
				end
			else
				i:setSelectedState(true)
			end
			-- 替换上一次的选中
			self.lastSelectedBox = i
		end
		i:addEventListener(onCheckBoxClicked)
	end
end

-- 获取最后一次的选中box
function RadioCheckBox:getLastSelectedCheckBox()
	return self.lastSelectedBox
end

-- 选中某个按钮
function RadioCheckBox:selectCheckBox(checkBox)
	local callbackFunc = self.checkBoxs[checkBox]
	if callbackFunc then
		if self.lastSelectedBox then
			self.lastSelectedBox:setSelectedState(false)
		end
		
		checkBox:setSelectedState(true)
		-- 回调被选中的函数
		if type(callbackFunc) == "function" then
			if callbackFunc() == false then
				checkBox:setSelectedState(false)
				if self.lastSelectedBox then
					self.lastSelectedBox:setSelectedState(true)
				end
				return
			end
		end
		-- 替换上一次的选中
		self.lastSelectedBox = checkBox
	end
end

return RadioCheckBox