UITalkBoard = UITalkBoard or BaseClass(BaseItem)
function UITalkBoard:__init()
	self.layout_file = "TalkBoard"
	self.base_file = "uiComponent"


	self:Load()
end

function UITalkBoard:__delete()
	if self.camera_move_id then
		GlobalEventSystem:UnBind(self.camera_move_id)
		self.camera_move_id = nil
	end	
	if self.camera_change_size_id then
		GlobalEventSystem:UnBind(self.camera_change_size_id)
		self.camera_change_size_id = nil
	end

	if self.delay_timer then
		GlobalTimerQuest:CancelQuest(self.delay_timer)
		self.delay_timer = nil
	end
end

function UITalkBoard:Load_callback()
	self.contentText = self:GetChild("Content"):GetComponent("Text")
	self.bg_image = self:GetChild("Image"):GetComponent("Image")

	self.bg_con = self:GetChild("Image")
	self.content_con = self:GetChild("Content")

	self:InitEvent()
end





function UITalkBoard:InitEvent()

end



function UITalkBoard:UpdatePos(x,y,z)
		SetLocalPosition(self.transform,x,y,z)
end

function UITalkBoard:SetContent(content,content_width)
	self.gameObject:SetActive(true)
	self.content = content

	self.contentText.text = content
	self.content_con.sizeDelta = Vector2(content_width,100)
	--20 是 距离上下左右的偏移，另外一个 20 是 下面那个尖尖的高度
	local width = math.min(self.contentText.preferredWidth,content_width)
	local height = self.contentText.preferredHeight
	self.bg_con.sizeDelta = Vector2(width + 20 ,height + 20 + 20)
	self.content_con.localPosition = Vector3(10,height + 20 + 20 - 10,0)
end

function UITalkBoard:StartTimer(time)
	if self.delay_timer == nil then
		local delay_callback = function()
			self:Show(false)
			self.delay_timer = nil
		end
		self.delay_timer = GlobalTimerQuest:AddDelayQuest(delay_callback, time)
	end
end


function UITalkBoard:Show(bool)
	self.gameObject:SetActive(bool)
end