StarLineItem = StarLineItem or BaseClass(BaseItem)

function StarLineItem:__init()
	self.base_file = "starMap"
	self.layout_file = "StarLineItem"
	self.data = nil
	self.is_delay_callback = true
	self.model = StarMapModel:getInstance()
	self:Load()
end

function StarLineItem:Load_callback()
	self.checkmark = self:GetChild("checkmark"):GetComponent("ImageExtend")
	if self.need_refreshData then
		self:SetData(self.data)
	end
	if self.need_setLight then
		self:SetLight(self.is_light)
	end
end

function StarLineItem:SetData(data)
	if data == nil then return end
	self.data = data
	if self.is_loaded then
		local pos1 = self.model:GetPointPos(data.star_map_id)
		local pos2 = self.model:GetPointPos(data.star_map_id+1)
		if pos1 == nil or pos2 == nil then return end
		local pos_x = math.floor((pos1.x + pos2.x)/2)
		local pos_y = math.floor((pos1.y + pos2.y)/2)
		local length = math.floor(GameMath.GetDistance(pos1.x,pos1.y,pos2.x,pos2.y,true))
		local angle = math.atan((pos2.y-pos1.y)/(pos2.x-pos1.x))*180/math.pi
		
		self.transform.sizeDelta = Vector2(length,14)
		--self.checkmark.transform.sizeDelta = Vector2(length,4)
		self:SetPosition(pos_x,pos_y)
		self:SetRotation(0,0,angle)
		self.need_refreshData = false
	else
		self.need_refreshData = true
	end
end

function StarLineItem:SetLight(bool)
	self.is_light = bool
	if self.is_loaded then
		self.checkmark.gray = not bool
		self.need_setLight = false
	else
		self.need_setLight = true
	end
end

function StarLineItem:__delete()

end