yzyCli/u3d/Lua/newgameui/NewUICusVerTabBar.lua

--[[
	@description:可以自定义item样式的垂直TabBar

	@example:
		code:
			local test_tab_data = {   			--选项卡配置， main_tab 代表一级选项卡，sub_tab 代表二级选项卡
				[1] = {main_tab = "主Tab1", sub_tab = {"子Tab1", "子Tab2", "子Tab3", "子Tab4"}},
				[2] = {main_tab = "主Tab2", sub_tab = {"子Tab1", "子Tab2", "子Tab3", "子Tab4"}},
				[3] = {main_tab = "主Tab3", sub_tab = {"子Tab1", "子Tab2", "子Tab3", "子Tab4"}},
			}
			local call_back = function (index, sub_index)  --回调函数

			end
			self.verTabBar = NewUICusVerTabBar.New(self.scroll_content, sizeDelta, item)

			self.verTabBar:SetTabBars(test_tab_data)
			self.verTabBar:SetSelectTab(1, 2)
]]

NewUICusVerTabBar = NewUICusVerTabBar or BaseClass()

--[[
	item:二级选项卡item
	tab_btn_size:一级选项卡的大小
	call_back  是点击主标签的回调函数
]]
function NewUICusVerTabBar:__init(parent_wnd, sizeDelta, item, tab_btn_size,child_offset)
	self.parent_wnd = parent_wnd
	self.btn_list = {}
	self.item = item
	self.tab_btn_size = tab_btn_size
	self.child_offset = child_offset
	self.index = 0
	self.sub_index = 0
	self.last_index = 0
	self.last_sub_index = 0
	self:Load(sizeDelta)
end

function NewUICusVerTabBar:__delete()
	for i,v in ipairs(self.btn_list) do
		v:DeleteMe()
		v = nil
	end
	self.btn_list = {}

	destroy(self.scroll_view)
end


function NewUICusVerTabBar:Load(sizeDelta)
	self.scroll_view = UiFactory.createChild(self.parent_wnd, UIType.ScrollView, "bar_scroll")
	self.scroll_view.transform.pivot = Vector2(0.5, 0.5)
	self.scroll_view.transform.anchoredPosition = Vector2(0, 0)
	self.scroll_view.transform.sizeDelta = sizeDelta and sizeDelta or Vector2(202, 561)
	self.scroll_view_content = self.scroll_view.transform:Find("Viewport/Content")
	self.scroll_view_viewport = self.scroll_view.transform:Find("Viewport")
	self:InitEvent()
end

function NewUICusVerTabBar:InitEvent()

end

--设置选项卡数据
function NewUICusVerTabBar:SetTabBars(bar_list, call_back, select_anything, force_size)
	if bar_list == nil or TableSize(bar_list) == 0 then return end

	--先隐藏所有菜单
	for i,v in ipairs(self.btn_list) do
		v:SetVisible(false)
	end

	for i,v in ipairs(bar_list) do
		local tab_btn = self.btn_list[i]
		if tab_btn == nil then
			tab_btn = NewUICusVerTabBtn.New(self.scroll_view_content, self.item, self.tab_btn_size,self,self.child_offset)
			self.btn_list[i] = tab_btn
		end
		tab_btn:SetTabDetail(v, i, call_back, select_anything, force_size)
		tab_btn:SetSubOffset(self.offset)
		tab_btn:SetVisible(true)

		local function onBtnClickHandler(target)
			if call_back then
				call_back(tab_btn.index,0)
			end
			self:SetSelectTab(tab_btn.index)
		end
		if tab_btn.tab then
			AddClickEvent(tab_btn.tab, onBtnClickHandler,2)
		end
	end
	self:RefreshTabPos()
end

--更新tabBar的位置
function NewUICusVerTabBar:RefreshTabPos()
	local gap = 0
	local btn_height
	for i,v in ipairs(self.btn_list) do
		btn_height = v.btn_height
		if v.show == true then
			local off = self.offset and (v:GetVisibleCount(true) - 1) * self.offset.y or 0
			local h = v:GetVisibleCount(true) * self.item.Height + off
			v:SetPosition(0, -gap)
			--v:SetSubConSize(h)
			gap = gap + v.btn_height + h + 4
		else
			v:SetPosition(0, -gap)
			gap = gap + v.btn_height + 4
		end
	end
	self.scroll_view_content.sizeDelta = Vector2(self.scroll_view_content.sizeDelta.x, gap) -- +40?
	if self.sub_index and self.index and self.sub_index >= 5 then
		local all_height = self.item.Height * 4 + (self.index - 1) * btn_height
		self.scroll_view_content.localPosition = Vector3(0,all_height,0)
	else
		self.scroll_view_content.localPosition = Vector3(0,0,0)
	end
end

--设置选中的选项卡
function NewUICusVerTabBar:SetSelectTab(index, sub_index,force_show)
	self.sub_index = sub_index
	self.index = index
	for i,v in ipairs(self.btn_list) do
		-- if v.index and v.index == index then
			v:SetSelectMode(index, sub_index, force_show)
		-- end
	end
	self:RefreshTabPos()
end

function NewUICusVerTabBar:SetTabBarIndex(index,sub_index)
	self.sub_index = sub_index or 0
	self.index = index or 0

	local item,sub_item
	if sub_index and sub_index > 0 then
		item = self.btn_list[self.last_index]
		if item then
			sub_item = item.sub_btn_list[self.last_sub_index]
			if sub_item then
				sub_item:SetSelected(false)
			end
		end

		self.last_index = index
		self.last_sub_index = sub_index
	end

	item = self.btn_list[self.index]
	if item then
		sub_item = item.sub_btn_list[self.sub_index]
		if sub_item then
			sub_item:SetSelected(true)
		end
	end
end

function NewUICusVerTabBar:GetCurrentSelectIndex()
	return self.index,self.sub_index
end

--设置选中的选项卡
-- function NewUICusVerTabBar:SetSelectTab(index, sub_index,force_show)
-- 	for i,v in ipairs(self.btn_list) do
-- 		if v.index and v.index == index then
-- 			if not v.show then
-- 				self:CancelSetSelectTab(index)
-- 			end
-- 			v:SetSelectMode(index, sub_index, force_show, self.quick_select)
-- 			break
-- 		end
-- 	end
-- 	self:RefreshTabPos(index, sub_index)
-- end

--取消当前的选中项
function NewUICusVerTabBar:CancelCurrSelect()
	if self.last_sub_index > 0 then
		local item,sub_item
		item = self.btn_list[self.last_index]
		if item then
			sub_item = item.sub_btn_list[self.last_sub_index]
			if sub_item then
				sub_item:SetSelected(false)
			end
		end

		self.last_index = 0
		self.last_sub_index = 0
	end
end

function NewUICusVerTabBar:SetScrollViewSize(width,heigh)
	self.scroll_view.transform.sizeDelta = Vector2(width,heigh)
end

function NewUICusVerTabBar:RefreshTabBtnState(index)
	for i,v in ipairs(self.btn_list) do
		if v.index == index then
			v:RefreshBtnState(v.show)
		end
	end

	self:RefreshTabPos()
end

function NewUICusVerTabBar:GetTabBtnShowState(index)
	for i,v in ipairs(self.btn_list) do
		if v.index == index then
			return v.show
		end
	end
end


--在回调函数中调用该函数，刷新选中状态
function NewUICusVerTabBar:UpdateSelectState(index, sub_index)
	for i,v in ipairs(self.btn_list) do
		v:SetSelectState(false)
		for key,value in ipairs(v.sub_btn_list) do
			value:SetSelectState(false)
		end
	end

	if sub_index == 0 then
		self.btn_list[index]:SetSelectState(true)
	else
		self.btn_list[index].sub_btn_list[sub_index]:SetSelectState(true)
	end
end

--传入主索引和所有要显示的子索引列表，取消红点只传入主索引
function NewUICusVerTabBar:ShowRedDot(index, index_list)
	if self.btn_list[index] and self.btn_list[index].ShowRedDot then
		self.btn_list[index]:ShowRedDot(index_list)
	end
end

function NewUICusVerTabBar:SetSubOffset(offset)
	self.offset = offset
end