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234 wiersze
5.4 KiB
234 wiersze
5.4 KiB
--[[
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info_list:格式为 {{"名称", call_back}}
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]]
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DropDown = DropDown or BaseClass(BaseItem)
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DropDown.TYPE = {
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UP = 1, --上拉
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DOWN = 2, --下拉
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}
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local GetChildTexts = GetChildTexts
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local GetChildGameObjects = GetChildGameObjects
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local GetChildTransforms = GetChildTransforms
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function DropDown:__init(parent_wnd)
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self.base_file = "uiComponent"
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self.layout_file = "DropDown"
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self.max_height = 200
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self.item_list = {}
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self.is_open = false
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self:SetLayerName()
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self.callback = nil
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self.is_item_select = false
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self:Load()
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end
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function DropDown:__delete()
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if self.delay_timer then
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GlobalTimerQuest:CancelQuest(self.delay_timer)
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self.delay_timer = nil
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end
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for i, v in ipairs(self.item_list) do
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v:DeleteMe()
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v = nil
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end
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self.item_list = {}
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end
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function DropDown:Load_callback()
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self.select,
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self.item_content,
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self.Btn
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= GetChildTransforms(self.transform,
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{
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"Select",
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"Select/ScrollView/Viewport/Content",
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"btn",
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})
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self.main_text
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= GetChildTexts(self.transform,
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{
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"bg/text",
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})
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self.bg_obj,
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self.redDot
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= GetChildGameObjects(self.transform,
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{
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"bg",
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"bg/redDot",
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})
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self:InitEvent()
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self.redDot:SetActive(self.is_show_redDot)
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--确认active再执行，否则overrideSorting勾选不上
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local function delay_func()
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if not IsNull(self.gameObject) and self.gameObject.activeInHierarchy then
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if self.delay_timer then
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GlobalTimerQuest:CancelQuest(self.delay_timer)
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self.delay_timer = nil
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end
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self:SetUIDepth(self.gameObject)
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end
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end
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self.delay_timer = GlobalTimerQuest:AddPeriodQuest(delay_func, 0.01, -1)
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if self.need_refresh then
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self:SetData(self.info_list, self._type, self.run_first, self.callback, self.default_index, self.is_item_select)
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end
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if self.need_refreshView then
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self:SetViewType(self.view_type)
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end
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end
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--提高一个层次 确保覆盖在特效之上
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function DropDown:SetLayerName()
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self.layer_name = self.layer_name or "UI"
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if self.layer_name == "UI" then
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self.layer_name = "Activity"
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elseif self.layer_name == "Activity" then
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self.layer_name = "Top"
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end
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end
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function DropDown:InitEvent()
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local function click_func(target)
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if target == self.Btn.gameObject or target == self.bg_obj then
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self:ChangeState(not self.is_open)
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if self.callback then
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self.callback()
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end
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end
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end
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AddClickEvent(self.Btn.gameObject, click_func)
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AddClickEvent(self.bg_obj, click_func)
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end
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function DropDown:SetData(info_list, _type, run_first, callback, default_index, is_item_select)
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self._type = _type or DropDown.TYPE.UP
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self.info_list = info_list or {}
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self.run_first = run_first
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self.callback = callback
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self.default_index = default_index
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self.is_item_select = is_item_select
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if self.is_loaded then
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local function call_back(name)
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self:ChangeState(false)
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self.main_text.text = name
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self:SetItemSelect(name)
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end
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for i, v in ipairs(self.item_list) do
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v:SetVisible(false)
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end
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for i, v in ipairs(self.info_list) do
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local item = self.item_list[i]
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if not item then
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item = DropDownItem.New(self.item_content)
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self.item_list[i] = item
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end
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item:SetVisible(true)
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item:SetData(v[1], v[2], call_back)
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end
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--下拉过长时只显示4个
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local len = #self.info_list < 5 and #self.info_list or 4.5
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local height = (DropDownItem.HEIGHT + 2) * (len+0.5)
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--height = height <= 200 and height or 200
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self.select.sizeDelta = Vector2(self.select.sizeDelta.x, height)
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--self.item_content.sizeDelta = Vector2(self.item_content.sizeDelta.x, DropDownItem.HEIGHT * #self.info_list + 10)
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--初始化
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self:ChangeState(false)
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default_index = default_index or 1
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if self.info_list[default_index] and self.info_list[default_index][1] then
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self.main_text.text = self.info_list[default_index][1]
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end
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if self.run_first then
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self:SetSelectIndex(default_index)
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end
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if self._type == DropDown.TYPE.DOWN then
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local size = self.select.sizeDelta
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SetAnchoredPosition(self.select, 0, -size.y - 50)
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end
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if self.cache_redDot_list then
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self:ShowRedDot(self.cache_redDot_list)
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self.cache_redDot_list = nil
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end
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else
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self.need_refresh = true
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end
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end
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function DropDown:SetViewType(view_type)
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self.view_type = view_type
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if self.is_loaded then
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if view_type then
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if view_type == 1 then
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lua_resM:setImageSprite(self, self.bg_obj.transform:GetComponent("Image"), "common_asset", "tips_k")
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end
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end
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else
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self.need_refreshView = true
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end
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end
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function DropDown:ChangeState(bool)
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self.is_open = bool
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self.select.gameObject:SetActive(bool)
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self.Btn.localRotation = bool and Vector3(0,0,180) or Vector3(0,0,0)
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end
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function DropDown:SetSelectIndex(index)
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if self.item_list[index] then
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self.item_list[index]:SetSelected()
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end
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end
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function DropDown:SetItemSelect(name)
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local index = 1
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for k,v in pairs(self.info_list) do
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if v and v[1] and v[1] == name then
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index = k
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break
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end
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end
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if self.is_item_select then
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if self.last_index and self.last_index == index then
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return
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end
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if self.last_index then
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self.item_list[self.last_index]:SelectStatus(false)
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end
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self.item_list[index]:SelectStatus(true)
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self.last_index = index
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end
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end
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function DropDown:ShowRedDot(list)
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if self.is_loaded and self.item_list and #self.item_list > 0 then
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local show = false
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for i, v in ipairs(self.item_list) do
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v:ShowRedDot(list[i])
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show = show or list[i]
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end
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self.is_show_redDot = show
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if self.is_loaded then
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self.redDot:SetActive(show)
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end
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else
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self.cache_redDot_list = list
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end
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end
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