yzyCli/u3d/Lua/newgameui/NumberSliderComponent.lua

--增减数量组件
NumberSliderComponent = NumberSliderComponent or BaseClass(BaseComponent)
function NumberSliderComponent:__init(parent,min_count,max_count,step,curr_count)
	self:CreateGameObject(UIType.NumberSliderComponent)
	self:InitData(min_count,max_count,step,curr_count)
end

function NumberSliderComponent:InitData(min_count,max_count,step,curr_count)
	self.min_count = min_count or 1
	self.max_count = max_count or 1
	self.step = step or 1 --步长
	self.slider.minValue = self.max_count == self.min_count and 0 or self.min_count --为了让最小数量等于最大数量时,滑动块在最右边
	self.slider.maxValue = self.max_count
	self.slider.wholeNumbers = true
	self:SetCurrCount(curr_count or 1)
end

function NumberSliderComponent:LoadSuccess()
	self.reduceBtn = self:GetChild("reduceBtn").gameObject
	--self.imgSlider = self:GetChild("imgSlider").gameObject	
	--self.Handle = self:GetChild("Slider/HandleSlideArea/Handle").gameObject	
	self.addBtn = self:GetChild("addBtn").gameObject
	self.maxBtn = self:GetChild("maxBtn").gameObject
	self.slider = self:GetChild("Slider"):GetComponent("Slider")
	--self.sliderObj = self:GetChild("Slider").gameObject	
	self.sliderText = self:GetChild("Slider/text"):GetComponent("TextMeshProUGUI")
	-- self.transform:SetInsetAndSizeFromParentEdge(self.transform.EdgeRight)
	self:InitEvent()
end

function NumberSliderComponent:InitEvent()
	local function onBtnClickHandler(target)		
		if target == self.reduceBtn then
			self:Reduce()
		elseif target == self.addBtn then
			self:Add()
		elseif target == self.maxBtn then
			self:Max()			
		-- elseif target == self.imgSlider then
		-- 	local function call_back(num)
		-- 		self:SetCurrCount(num)
		-- 	end
		-- 	GlobalEventSystem:Fire(EventName.OPEN_CALCULATOR_VIEW,self.max_count,call_back)
		end
	end
	AddClickEvent(self.reduceBtn,onBtnClickHandler)
	AddClickEvent(self.addBtn,onBtnClickHandler)
	AddClickEvent(self.maxBtn,onBtnClickHandler)
	--AddClickEvent(self.imgSlider,onBtnClickHandler)
	--AddClickEvent(self.Handle,onBtnClickHandler)
	


	-- 滑动条拖动时改变数值
	local function onSliderDrag(target)
		if target == self.slider.gameObject then
			self.sliderText.text = tostring(self.slider.value)
			self:SetCurrCount(self.slider.value)
		end
	end
	AddClickEvent(self.slider.gameObject,onSliderDrag)
	AddDragEvent(self.slider.gameObject,onSliderDrag)
end

function NumberSliderComponent:Reduce()
	self:SetCurrCount(self.curr_count - self.step)
end

function NumberSliderComponent:Add()
	self:SetCurrCount(self.curr_count + self.step)
end

function NumberSliderComponent:Max()
	self:SetCurrCount(self.max_count)
end

function NumberSliderComponent:SetCurrCount(count)
	self.curr_count = count
	self.curr_count = math.max(self.curr_count,self.min_count)
	self.curr_count = math.min(self.curr_count,self.max_count)
	self.slider.value = self.curr_count
	self.sliderText.text = self.curr_count
	self:Fire(ComponentEvent.AddNumberComponent.CHANGE_COUNT,self.curr_count)
end

function NumberSliderComponent:GetCurrCount()
	return self.curr_count
end
--传入组件大小(也就是父节点的大小，不懂用法可以看看SplitView或者ShopBuyView是怎么用的) 
function NumberSliderComponent:SetComponentWidth( width )
	if width then
		self.transform:SetInsetAndSizeFromParentEdge(self.transform.EdgeLeft, 0, width)
	else
		self.transform:SetInsetAndSizeFromParentEdge(self.transform.EdgeLeft, 0, 300)
	end
end

function NumberSliderComponent:SetVisibleCalcBtn( flag )
	self.maxBtn:SetActive(flag)
end