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130 lines
3.7 KiB
130 lines
3.7 KiB
ArrowHint = ArrowHint or BaseClass()
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function ArrowHint:__init()
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self.mPanel = nil -- scrowView 物体
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self.mScroll = nil -- scrowView 组件
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self.mContent = nil --content物体
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self.mHorizontal = false --是否是水平
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self.transform = nil
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self.left_down_tra = nil --左或者下的特效挂载父物体
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self.right_top_tra = nil --右或者上的特效挂载父物体
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end
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function ArrowHint:__delete()
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if self.mScroll then
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self.mScroll.onValueChanged:RemoveAllListeners()
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end
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if self.transfrom then
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if self.left_down_tra then
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self.transfrom:ClearUIEffect(self.left_down_tra)
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end
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if self.right_top_tra then
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self.transfrom:ClearUIEffect(self.right_top_tra)
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end
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end
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end
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-- is_hor 外部定义是否水平，覆盖掉内部判断，传空内部可自己判断
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function ArrowHint:Init(transfrom, mPanel, mContent, left_down_tra, right_top_tra, layer_name, pos, scale, is_hor)
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self.transfrom = transfrom
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self.mPanel = mPanel
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self.mContent = mContent
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self.mScroll = self.mPanel:GetComponent("ScrollRect")
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self.left_down_tra = left_down_tra
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self.right_top_tra = right_top_tra
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if not self.transfrom or not self.mPanel or not self.mContent or not self.mScroll then return end
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self:SetArrowEffect(layer_name, pos, scale, is_hor)
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--self.mScroll.onValueChanged:RemoveAllListeners()
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self.mScroll.onValueChanged:AddListener(function()
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self:ShowArrow()
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end)
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end
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function ArrowHint:SetArrowEffect(layer_name, pos, scale, is_hor)
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if is_hor == nil then
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if self.mScroll.horizontal then
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self.mHorizontal = true
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elseif self.mScroll.vertical then
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self.mHorizontal = false
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end
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else
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self.mHorizontal = is_hor
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end
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layer_name = layer_name or "UI"
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local l_effect, r_effect
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if self.mHorizontal then
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l_effect = "effect_tubiao_007"
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r_effect = "effect_tubiao_009"
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else
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l_effect = "effect_tubiao_006"
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r_effect = "effect_tubiao_008"
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end
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if self.left_down_tra then
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self.transfrom:AddUIEffect(l_effect, self.left_down_tra, layer_name, pos, scale, true)
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end
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if self.right_top_tra then
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self.transfrom:AddUIEffect(r_effect, self.right_top_tra, layer_name, pos, scale, true)
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end
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self:ShowArrow()
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end
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function ArrowHint:ShowArrow()
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local offset, value
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if self.mHorizontal then
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value = self.mScroll.horizontalNormalizedPosition
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if self.mContent.sizeDelta.x > self.mPanel.sizeDelta.x then
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offset = self.mPanel.sizeDelta.x / (self.mContent.sizeDelta.x * 8)
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end
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else
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value = self.mScroll.verticalNormalizedPosition
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if self.mContent.sizeDelta.y > self.mPanel.sizeDelta.y then
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offset = self.mPanel.sizeDelta.y / (self.mContent.sizeDelta.y * 8)
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end
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end
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if offset and value then
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if self.left_down_tra then
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if value < offset then
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if self.left_down_tra.gameObject.activeInHierarchy then
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self.left_down_tra.gameObject:SetActive(false)
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end
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else
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if not self.left_down_tra.gameObject.activeInHierarchy then
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self.left_down_tra.gameObject:SetActive(true)
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end
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end
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end
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if self.right_top_tra then
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if value > 1 - offset then
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if self.right_top_tra.gameObject.activeInHierarchy then
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self.right_top_tra.gameObject:SetActive(false)
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end
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else
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if not self.right_top_tra.gameObject.activeInHierarchy then
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self.right_top_tra.gameObject:SetActive(true)
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end
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end
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end
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else
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self:SetArrowShow()
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end
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end
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--自行设置初始箭头指向，刚开始时，NormalizedPosition没有值，如果content用的自适应也没法立刻获取实际的长宽，所以需要自行设置一次
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function ArrowHint:SetArrowShow(left_down, right_top)
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if self.left_down_tra then
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self.left_down_tra.gameObject:SetActive(left_down and true or false)
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end
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if self.right_top_tra then
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self.right_top_tra.gameObject:SetActive(right_top and true or false)
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end
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end
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