/**
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@name Edo.managers.SystemManager
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@class
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@single
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@description 组件系统管理器
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@example
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*/
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Edo.managers.SystemManager = {
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all: {},
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/**
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@name Edo.managers.SystemManager#register
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@function
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@static
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@param {Object} cmp 组件对象(所有从Edo.core.Component派生的类对象)
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@description 将组件加入组件对象池
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*/
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register: function(c){
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if(!c.id) throw new Error("必须保证组件具备id");
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var o = Edo.managers.SystemManager.all[c.id];
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if(o) throw new Error("已存在id为:"+o.id+"的组件");
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Edo.managers.SystemManager.all[c.id] = c;
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if(c.id == 'window')
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if(window[c.id]) throw new Error("不能设置此ID:"+o.id);
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window[c.id] = c;
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},
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/**
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@name Edo.managers.SystemManager#unregister
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@function
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@static
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@param {Object} cmp 组件对象(所有从Edo.core.Component派生的类对象)
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@description 将组件从组件对象池注销
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*/
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unregister: function(c){
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delete Edo.managers.SystemManager.all[c.id];
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//if(c == WINDOW[c.id]) WINDOW[c.id] = null;//非常耗性能!
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//WINDOW[c.id] = null;
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},
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/**
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@name Edo.managers.SystemManager#destroy
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@function
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@static
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@description 销毁所有组件(页面关闭情况等特殊场合使用)
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*/
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destroy: function(c){
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if(c){
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if(typeof c === 'string') c = Edo.managers.SystemManager.all[c];
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if(c) c.destroy();
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}else{
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var un = Edo.managers.SystemManager.unregister;
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var all = Edo.managers.SystemManager.all;
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//1)找出所有的topContainer顶级容器
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var tops = [];
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for(var id in all){
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var o = all[id];
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if(!o.parent) tops.push(o);
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}
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var sss = new Date();
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for(var i=0,l=tops.length; i<l; i++){
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var o = tops[i];
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if(all[o.id]){
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o.destroy(true);
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}
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}
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//Binding.clearBind();
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}
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},
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/**
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@name Edo.managers.SystemManager#get
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@function
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@static
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@param {String} id 组件id
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@description 根据id获得组件对象.同Edo.get(id)
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*/
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get: function(id){
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return Edo.managers.SystemManager.all[id];
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},
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/**
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@name Edo.managers.SystemManager#getByName
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@function
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@static
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@param {String} name 组件name
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@param {Object} parent 父容器.为空表示从全局获取
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@description 从一个父容器下获取所有name命名的组件集合.同Edo.getByName(name, parent)
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*/
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getByName: function(name, parent){
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return Edo.managers.SystemManager.getByProperty('name', name, parent);
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},
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/**
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@name Edo.managers.SystemManager#getByProperty
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@function
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@static
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@param {String} property 属性名
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@param {Object} value 属性值
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@param {Object} parent 父容器.为空表示从全局获取
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@description 根据某一属性匹配, 获得所有匹配的组件
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*/
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getByProperty: function(name, value, parent){ //
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var cs = [];
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var m = Edo.managers.SystemManager;
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var all = m.all;
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for(var id in all){
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var o = all[id];
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if(o[name] == value){
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if(!parent || (parent && m.isAncestor(parent, o))){
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cs.push(o);
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}
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}
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}
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return cs;
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},
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/**
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@name Edo.managers.SystemManager#getType
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@function
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@static
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@param {String} type 类别名, 如box,app,text等
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@description 根据类别名获取类对象.同Edo.getType.一般用来创建类的实例,如new Edo.getType('box')
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*/
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getType: function(type){
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return Edo.types[type.toLowerCase()];
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},
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/**
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@name Edo.managers.SystemManager#build
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@function
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@static
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@param {Object} config 组件配置对象
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@description 根据一个组件配置对象,创建组件实例.同Edo.create, Edo.build
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*/
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build: function(config){
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if(!config) return;
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if(typeof config === 'string') {
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if(Edo.types[config]){
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config = {type: config};
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}
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else{
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//config = styleHandler(config);//
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var swf = Edo.getParser();
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var o = swf.parserXML(config);
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if(!o.success) throw new Error(o.errorMsg);
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var config = o.json;
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if(!config.renderTo) config.renderTo = document.body;
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}
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}
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if(!config.constructor.superclass) {
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var cls = Edo.types[config.type.toLowerCase()];
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if(!cls) throw new Error('组件类未定义');
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var obj = new cls();
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if(obj.set) {
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obj.set(Edo.apply({}, config)); //复制配置对象, 防止配置对象被删除属性, 从而是配置对象的拷贝失效,出问题
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}
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return obj;
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}
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return config;
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},
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//判断p是否是c的父元素
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isAncestor: function(p, c){
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if(p === c) return true;
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var ret = false;
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while (c = c.parent) {
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ret = c == p;
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if(ret) break;
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}
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return ret;
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}
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};
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Edo.regCmp = Edo.managers.SystemManager.register;
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Edo.unregCmp = Edo.managers.SystemManager.unregister;
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Edo.get = Edo.getCmp = Edo.managers.SystemManager.get;
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Edo.build = Edo.create = Edo.managers.SystemManager.build;
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Edo.getType = Edo.managers.SystemManager.getType;
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Edo.getByName = Edo.managers.SystemManager.getByName;
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Edo.getByProperty = Edo.managers.SystemManager.getByProperty;
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Edo.isAncestor = Edo.managers.SystemManager.isAncestor;
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