144 lines
3.9 KiB
Lua
144 lines
3.9 KiB
Lua
local pairs = pairs
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local setmetatable = setmetatable
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local tablePack = table.pack
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local tableUnpack = table.unpack
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local tableInsert = table.insert
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local IsTableEmpty = XTool.IsTableEmpty
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--数据实体基类（存储通用方法）/ViewModle（当绑定UI对象后转化为VM层）
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XDataEntityBase = XClass(nil, "XDataEntityBase")
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function XDataEntityBase:Init(default, id)
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self._Default = default --默认值
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self._Properties = {} --属性
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self._BindingsDic = {} --绑定UI对象字典(字段名称 -> UiName -> UI对象 -> 更新函数闭包)
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--hook元方法
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setmetatable(
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self,
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{
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__index = function(t, k)
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return self._Properties[k] or self.__class[k] or XDataEntityBase[k] or
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GetClassVituralTable(self.__class)[k]
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end,
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__newindex = function(_, k, v)
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self._Properties[k] = v
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end
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}
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)
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for key, value in pairs(self._Default) do
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self:SetProperty(key, XTool.Clone(value))
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end
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self:InitData(id)
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end
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function XDataEntityBase:Reset()
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local id = self:GetProperty("_Id")
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for key, value in pairs(self._Default) do
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self:SetProperty(key, XTool.Clone(value))
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end
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self:InitData(id)
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end
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--持久化初始数据
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function XDataEntityBase:InitData(id)
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end
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function XDataEntityBase:SetProperty(name, value)
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if nil == value then
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return
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end
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local oldValue = self._Properties[name]
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self._Properties[name] = value
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if oldValue ~= value then --table类型不做比对，默认全量更新
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self:UpdateBindings(name)
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end
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end
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--如子类字段有修改，重写此方法加上自己的字段名比对特殊处理
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function XDataEntityBase:GetProperty(name)
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return self[name] or self._Default[name]
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end
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--[[
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绑定属性到Ui对象（单向绑定）:字段名称 -> UiName -> UI绑定对象 -> 更新函数闭包
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@param name:属性名
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@param uiName:UI名称
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@param func:更新函数闭包
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]]
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function XDataEntityBase:BindPropertyToObj(uiName, func, name, delayUpdateBindings)
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self._BindingsDic[name] = self._BindingsDic[name] or {}
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self._BindingsDic[name][uiName] = self._BindingsDic[name][uiName] or {}
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tableInsert(self._BindingsDic[name][uiName], func)
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if not delayUpdateBindings then
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func(self:GetProperty(name))
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end
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end
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--多重绑定
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function XDataEntityBase:BindPropertiesToObj(uiName, func, ...)
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local paramNames = tablePack(...)
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local multiParamFunc = function()
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local params = {}
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for _, name in ipairs(paramNames) do
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tableInsert(params, self:GetProperty(name))
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end
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func(tableUnpack(params))
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end
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for _, name in ipairs(paramNames) do
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self:BindPropertyToObj(uiName, multiParamFunc, name, true)
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end
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multiParamFunc()
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end
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--触发绑定UI对象更新回调
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function XDataEntityBase:UpdateBindings(name)
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if IsTableEmpty(self._BindingsDic) then
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return
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end
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local objs = self._BindingsDic[name]
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if IsTableEmpty(objs) then
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return
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end
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for uiName, funcList in pairs(objs) do
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--仅更新展示中的UI数据
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if XLuaUiManager.IsUiShow(uiName) then
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for _, func in pairs(funcList) do
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func(self:GetProperty(name))
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end
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end
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end
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end
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--解绑属性名称下的指定UI名称已绑定对象
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function XDataEntityBase:UnBindPropertyByUiName(name, uiName)
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if not self._BindingsDic[name] then
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return
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end
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self._BindingsDic[name][uiName] = nil
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if IsTableEmpty(self._BindingsDic[name]) then
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self._BindingsDic[name] = nil
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end
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end
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--解绑UI名称下所有对象已绑定属性
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function XDataEntityBase:UnBindUiObjs(uiName)
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if IsTableEmpty(self._BindingsDic) then
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return
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end
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for name in pairs(self._Properties) do
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self:UnBindPropertyByUiName(name, uiName)
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end
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end
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