InstructionItem = InstructionItem or BaseClass(BaseItem)
function InstructionItem:__init()
	self.base_file = "common"
	self.layout_file = "instructionItem"
	self.height = 0
	self:Load()
end

function InstructionItem:Load_callback()
	self.titleText = self:GetChild("titleText"):GetComponent(typeof(TMPro.TextMeshProUGUI))
	self.title_di = self:GetChild("title_di")
	self.title_di_obj = self:GetChild("title_di").gameObject
	self.line_obj = self:GetChild("line").gameObject
	
	self.contentText = self:GetChild("contentText")
	self.contentText_t = self:GetChild("contentText"):GetComponent(typeof(TMPro.TextMeshProUGUI))
end

function InstructionItem:SetData(vo)
	if vo then
		if vo.itemTitle=="" then --无需子标题
			self.title_di_obj:SetActive(false)
			self.line_obj:SetActive(false)
			self.titleText.text = ""
			self.contentText.transform.anchoredPosition = Vector2(25, 0)
		else
			self.title_di_obj:SetActive(true)
			self.line_obj:SetActive(true)
			self.titleText.text = vo.itemTitle
			self.contentText.transform.anchoredPosition = Vector2(25, -45)
		end
		self.contentText_t.text = vo.content

		SetLocalPositionX(self.title_di,GetLocalPositionX(self.titleText.transform)-(self.titleText.preferredWidth/2)-16)
		--先把宽度设置好再计算文本高度，否则会导致计算错误
		SetSizeDeltaX(self.contentText.transform,520)
		self.height = self.contentText_t.preferredHeight + 10
		self.contentText.sizeDelta = Vector2(520,self.height)
		-- self.height = self.height + 32
		self.height = self.height + 60
	end
end

function InstructionItem:GetHeight()
	return self.height
end