ComboxView = ComboxView or BaseClass(BaseView)
local ComboxView = ComboxView

function ComboxView:__init(parent_wnd, prefab_data, layer_name)
	self.base_file = "uiComponent"
	self.layout_file = prefab_data and prefab_data.ComboxView or "ComboxView"
	self.layer_name = layer_name or "Activity"
	self.destroy_imm = true
	self.use_background = false
	self.change_scene_close = true
	self.prefab_data = prefab_data or {Combox = "Combox",ComboxView = "ComboxView", ComboxItem = "ComboxItem", show_type = "down"}
	self.height_extra = 0
	self.pos = Vector3(0,0,0)
	self.item_list = {}
	self.red_data = {}
	self:SetOfferXY()

	self.load_callback = function () 	
		self:LoadSuccess()
		self:AddEvent()
	end
	self.open_callback = function (  )
		self:OpenSuccess()
	end
	self.destroy_callback = function (  )
		self:DestroySuccess()
	end
end

function ComboxView:Close()
    if self.combox_close_callback then
    	self.combox_close_callback()
    end
    BaseView.Close(self)
end

function ComboxView:Open(data,callback,combox_close_callback,pos,red_data)
	self.data = data or {}
	self.callback = callback
	self.combox_close_callback = combox_close_callback
	self.pos = pos
	self.red_data = red_data or {}

	BaseView.Open(self)
end

--设置偏移量
function ComboxView:SetOfferXY(  )
	if self.layout_file == "ComboxView" then
		self.bg_add_height = 0
		self.bg_offerx = -11
		self.bg_offery = 0
	end
end

function ComboxView:SetSize(width,height)
    self.width = width
    self.height = height
    if self.img_bg then
    	local height = #self.data * (ComboxItem.Height+self.height_extra)+18
    	if #self.data == 0 then
			height = (ComboxItem.Height+self.height_extra)
		end
		self.img_bg.sizeDelta = Vector2(self.width,height)
    end
end

function ComboxView:LoadSuccess()
	self.img_bg = self:GetChild("img_bg")
	self.con = self:GetChild("img_bg/con")
	self.touch_con = self:GetChild("touch_con").gameObject
	SetSizeDelta(self.touch_con.transform, ScreenWidth*1.5, ScreenHeight*1.5)

	local width = self.width or self.img_bg.sizeDelta.x
	--总高度
	local height = #self.data * (ComboxItem.Height+self.height_extra)+3
	if #self.data == 0 then
		height = (ComboxItem.Height+self.height_extra)
	end
	self.height = height
	self.img_bg.sizeDelta = Vector2(width,height+self.bg_add_height)
	if self.pos then
		self:SetTransOffsetY()
		local pos = self.img_bg:InverseTransformPoint(self.pos)
		self.img_bg.localPosition = Vector3(pos.x+self.bg_offerx,pos.y+self.bg_offery,0)
	end
end

function ComboxView:SetTransOffsetY(  )
	if self.prefab_data.offset_y then
		if self.prefab_data.show_type == "down" then
			self.bg_offery = -30 + self.prefab_data.offset_y + self.height
		else
			self.bg_offery = 16 + self.prefab_data.offset_y + self.height + self.height
		end
	end
end

function ComboxView:AddEvent()
	local function onClick(...)
		self:Close()
    end
	AddClickEvent(self.touch_con,onClick)
end

function ComboxView:OpenSuccess()
	-------------------------
	local function callback(index)
		if self.callback then
			self.callback(index)
		end
		self:Close()
	end
	local x = 0
	local height = self.img_bg.sizeDelta.y
	for i=1,#self.data do
		local item = self.item_list[i]
		if not item then
			item = ComboxItem.New(self.img_bg,nil,nil,self.prefab_data)
			self.item_list[i] = item
			item:SetPosition(x,-(i-1) * ComboxItem.Height-3)
		end
		item:SetData(i,self.data[i],callback,self.red_data[i])
		item:SetWidth(self.img_bg.sizeDelta.x)
	end
end

function ComboxView:UpdateView( )

end

function ComboxView:DestroySuccess(  )
	for k,v in pairs(self.item_list) do
		v:DeleteMe()
	end
	self.item_list = {}
end