/**

 @Name：layui.table 表格操作
 @Author：贤心
 @License：MIT

 */

layui.define(['laytpl', 'laypage', 'layer', 'form'], function(exports){
    "use strict";

    var $ = layui.$
        ,laytpl = layui.laytpl
        ,laypage = layui.laypage
        ,layer = layui.layer
        ,form = layui.form
        ,hint = layui.hint()
        ,device = layui.device()

        //外部接口
        ,table = {
            config: {
                checkName: 'LAY_CHECKED' //是否选中状态的字段名
                ,indexName: 'LAY_TABLE_INDEX' //下标索引名
            } //全局配置项
            ,cache: {} //数据缓存
            ,index: layui.table ? (layui.table.index + 10000) : 0

            //设置全局项
            ,set: function(options){
                var that = this;
                that.config = $.extend({}, that.config, options);
                return that;
            }

            //事件监听
            ,on: function(events, callback){
                return layui.onevent.call(this, MOD_NAME, events, callback);
            }
        }

        //操作当前实例
        ,thisTable = function(){
            var that = this
                ,options = that.config
                ,id = options.id;

            id && (thisTable.config[id] = options);

            return {
                reload: function(options){
                    that.reload.call(that, options);
                }
                ,config: options
            }
        }

        //字符常量
        ,MOD_NAME = 'treeGrid', ELEM = '.layui-table', THIS = 'layui-this', SHOW = 'layui-show', HIDE = 'layui-hide', DISABLED = 'layui-disabled', NONE = 'layui-none'

        ,ELEM_VIEW = 'layui-table-view', ELEM_HEADER = '.layui-table-header', ELEM_BODY = '.layui-table-body', ELEM_MAIN = '.layui-table-main', ELEM_FIXED = '.layui-table-fixed', ELEM_FIXL = '.layui-table-fixed-l', ELEM_FIXR = '.layui-table-fixed-r', ELEM_TOOL = '.layui-table-tool', ELEM_PAGE = '.layui-table-page', ELEM_SORT = '.layui-table-sort', ELEM_EDIT = 'layui-table-edit', ELEM_HOVER = 'layui-table-hover'

        //thead区域模板
        ,TPL_HEADER = function(options){
            var rowCols = '{{#if(item2.colspan){}} colspan="{{item2.colspan}}"{{#} if(item2.rowspan){}} rowspan="{{item2.rowspan}}"{{#}}}';

            options = options || {};
            return ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" '
                ,'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>'
                ,'<thead>'
                ,'{{# layui.each(d.data.cols, function(i1, item1){ }}'
                ,'<tr>'
                ,'{{# layui.each(item1, function(i2, item2){ }}'
                ,'{{# if(item2.fixed && item2.fixed !== "right"){ left = true; } }}'
                ,'{{# if(item2.fixed === "right"){ right = true; } }}'
                ,function(){
                    if(options.fixed && options.fixed !== 'right'){
                        return '{{# if(item2.fixed && item2.fixed !== "right"){ }}';
                    }
                    if(options.fixed === 'right'){
                        return '{{# if(item2.fixed === "right"){ }}';
                    }
                    return '';
                }()
                ,'<th data-field="{{ item2.field||i2 }}" {{# if(item2.minWidth){ }}data-minwidth="{{item2.minWidth}}"{{# } }} '+ rowCols +' {{# if(item2.unresize){ }}data-unresize="true"{{# } }}>'
                ,'<div class="layui-table-cell laytable-cell-'
                ,'{{# if(item2.colspan > 1){ }}'
                ,'group'
                ,'{{# } else { }}'
                ,'{{d.index}}-{{item2.field || i2}}'
                ,'{{# if(item2.type !== "normal"){ }}'
                ,' laytable-cell-{{ item2.type }}'
                ,'{{# } }}'
                ,'{{# } }}'
                ,'" {{#if(item2.align){}}align="{{item2.align}}"{{#}}}>'
                ,'{{# if(item2.type === "checkbox"){ }}' //复选框
                ,'<input type="checkbox" name="layTableCheckbox" lay-skin="primary" lay-filter="layTableAllChoose" {{# if(item2[d.data.checkName]){ }}checked{{# }; }}>'
                ,'{{# } else { }}'
                ,'<span>{{item2.title||""}}</span>'
                ,'{{# if(!(item2.colspan > 1) && item2.sort){ }}'
                ,'<span class="layui-table-sort layui-inline"><i class="layui-edge layui-table-sort-asc"></i><i class="layui-edge layui-table-sort-desc"></i></span>'
                ,'{{# } }}'
                ,'{{# } }}'
                ,'</div>'
                ,'</th>'
                ,(options.fixed ? '{{# }; }}' : '')
                ,'{{# }); }}'
                ,'</tr>'
                ,'{{# }); }}'
                ,'</thead>'
                ,'</table>'].join('');
        }

        //tbody区域模板
        ,TPL_BODY = ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" '
            ,'{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>'
            ,'<tbody></tbody>'
            ,'</table>'].join('')

        //主模板
        ,TPL_MAIN = ['<div class="layui-form layui-border-box {{d.VIEW_CLASS}}" lay-filter="LAY-table-{{d.index}}" style="{{# if(d.data.width){ }}width:{{d.data.width}}px;{{# } }} {{# if(d.data.height){ }}height:{{d.data.height}}px;{{# } }}">'

            ,'{{# if(d.data.toolbar){ }}'
            ,'<div class="layui-table-tool"></div>'
            ,'{{# } }}'

            ,'<div class="layui-table-box">'
            ,'{{# var left, right; }}'
            ,'<div class="layui-table-header">'
            ,TPL_HEADER()
            ,'</div>'
            ,'<div class="layui-table-body layui-table-main">'
            ,TPL_BODY
            ,'</div>'

            ,'{{# if(left){ }}'
            ,'<div class="layui-table-fixed layui-table-fixed-l">'
            ,'<div class="layui-table-header">'
            ,TPL_HEADER({fixed: true})
            ,'</div>'
            ,'<div class="layui-table-body">'
            ,TPL_BODY
            ,'</div>'
            ,'</div>'
            ,'{{# }; }}'

            ,'{{# if(right){ }}'
            ,'<div class="layui-table-fixed layui-table-fixed-r">'
            ,'<div class="layui-table-header">'
            ,TPL_HEADER({fixed: 'right'})
            ,'<div class="layui-table-mend"></div>'
            ,'</div>'
            ,'<div class="layui-table-body">'
            ,TPL_BODY
            ,'</div>'
            ,'</div>'
            ,'{{# }; }}'
            ,'</div>'

            ,'{{# if(d.data.page){ }}'
            ,'<div class="layui-table-page">'
            ,'<div id="layui-table-page{{d.index}}"></div>'
            ,'</div>'
            ,'{{# } }}'

            ,'<style>'
            ,'{{# layui.each(d.data.cols, function(i1, item1){'
            ,'layui.each(item1, function(i2, item2){ }}'
            ,'.laytable-cell-{{d.index}}-{{item2.field||i2}}{ '
            ,'{{# if(item2.width){ }}'
            ,'width: {{item2.width}}px;'
            ,'{{# } }}'
            ,' }'
            ,'{{# });'
            ,'}); }}'
            ,'</style>'
            ,'</div>'].join('')

        ,_WIN = $(window)
        ,_DOC = $(document)

        //构造器
        ,Class = function(options){
            var that = this;
            that.index = ++table.index;
            that.config = $.extend({}, that.config, table.config, options);
            that.render();
        };

    //默认配置
    Class.prototype.config = {
        limit: 10 //每页显示的数量
        ,loading: true //请求数据时，是否显示loading
        ,cellMinWidth: 60 //所有单元格默认最小宽度
        ,text: {
            none: '无数据'
        }
    };

    //表格渲染
    Class.prototype.render = function(){
        var that = this
            ,options = that.config;

        options.elem = $(options.elem);
        options.where = options.where || {};
        options.id = options.id || options.elem.attr('id');

        //请求参数的自定义格式
        options.request = $.extend({
            pageName: 'page'
            ,limitName: 'limit'
        }, options.request)

        //响应数据的自定义格式
        options.response = $.extend({
            statusName: 'code'
            ,statusCode: 0
            ,msgName: 'msg'
            ,dataName: 'data'
            ,countName: 'count'
        }, options.response);

        //如果 page 传入 laypage 对象
        if(typeof options.page === 'object'){
            options.limit = options.page.limit || options.limit;
            options.limits = options.page.limits || options.limits;
            that.page = options.page.curr = options.page.curr || 1;
            delete options.page.elem;
            delete options.page.jump;
        }

        if(!options.elem[0]) return that;

        that.setArea(); //动态分配列宽高

        //开始插入替代元素
        var othis = options.elem
            ,hasRender = othis.next('.' + ELEM_VIEW)

            //主容器
            ,reElem = that.elem = $(laytpl(TPL_MAIN).render({
                VIEW_CLASS: ELEM_VIEW
                ,data: options
                ,index: that.index //索引
            }));

        options.index = that.index;

        //生成替代元素
        hasRender[0] && hasRender.remove(); //如果已经渲染，则Rerender
        othis.after(reElem);

        //各级容器
        that.layHeader = reElem.find(ELEM_HEADER);
        that.layMain = reElem.find(ELEM_MAIN);
        that.layBody = reElem.find(ELEM_BODY);
        that.layFixed = reElem.find(ELEM_FIXED);
        that.layFixLeft = reElem.find(ELEM_FIXL);
        that.layFixRight = reElem.find(ELEM_FIXR);
        that.layTool = reElem.find(ELEM_TOOL);
        that.layPage = reElem.find(ELEM_PAGE);

        that.layTool.html(
            laytpl($(options.toolbar).html()||'').render(options)
        );

        if(options.height) that.fullSize(); //设置body区域高度

        //如果多级表头，则填补表头高度
        if(options.cols.length > 1){
            var th = that.layFixed.find(ELEM_HEADER).find('th');
            th.height(that.layHeader.height() - 1 - parseFloat(th.css('padding-top')) - parseFloat(th.css('padding-bottom')));
        }

        //请求数据
        that.pullData(that.page);
        that.events();
    };

    //根据列类型，定制化参数
    Class.prototype.initOpts = function(item){
        var that = this,
            options = that.config
            ,initWidth = {
                checkbox: 48
                ,space: 15
                ,numbers: 40
            };

        //让 type 参数兼容旧版本
        if(item.checkbox) item.type = "checkbox";
        if(item.space) item.type = "space";
        if(!item.type) item.type = "normal";

        if(item.type !== "normal"){
            item.unresize = true;
            item.width = item.width || initWidth[item.type];
        }
    };

    //动态分配列宽高
    Class.prototype.setArea = function(){
        var that = this,
            options = that.config
            ,colNums = 0 //列个数
            ,autoColNums = 0 //自动列宽的列个数
            ,autoWidth = 0 //自动列分配的宽度
            ,countWidth = 0 //所有列总宽度和
            ,cntrWidth = options.width || function(){ //获取容器宽度
                //如果父元素宽度为0（一般为隐藏元素），则继续查找上层元素，直到找到真实宽度为止
                var getWidth = function(parent){
                    var width, isNone;
                    parent = parent || options.elem.parent()
                    width = parent.width();
                    try {
                        isNone = parent.css('display') === 'none';
                    } catch(e){}
                    if(parent[0] && (!width || isNone)) return getWidth(parent.parent());
                    return width;
                };
                return getWidth();
            }();

        //统计列个数
        that.eachCols(function(){
            colNums++;
        });

        //减去边框差
        cntrWidth = cntrWidth - function(){
            return (options.skin === 'line' || options.skin === 'nob') ? 2 : colNums + 1;
        }();

        //遍历所有列
        layui.each(options.cols, function(i1, item1){
            layui.each(item1, function(i2, item2){
                var width;

                if(!item2){
                    item1.splice(i2, 1);
                    return;
                }

                that.initOpts(item2);
                width = item2.width || 0;

                if(item2.colspan > 1) return;

                if(/\d+%$/.test(width)){
                    item2.width = width = Math.floor((parseFloat(width) / 100) * cntrWidth);
                } else if(!width){ //列宽未填写
                    item2.width = width = 0;
                    autoColNums++;
                }

                countWidth = countWidth + width;
            });
        });

        that.autoColNums = autoColNums; //记录自动列数

        //如果未填充满，则将剩余宽度平分。否则，给未设定宽度的列赋值一个默认宽
        (cntrWidth > countWidth && autoColNums) && (
            autoWidth = (cntrWidth - countWidth) / autoColNums
        );

        layui.each(options.cols, function(i1, item1){
            layui.each(item1, function(i2, item2){
                var minWidth = item2.minWidth || options.cellMinWidth;
                if(item2.colspan > 1) return;
                if(item2.width === 0){
                    item2.width = Math.floor(autoWidth >= minWidth ? autoWidth : minWidth); //不能低于设定的最小宽度
                }
            });
        });

        //高度铺满：full-差距值
        if(options.height && /^full-\d+$/.test(options.height)){
            that.fullHeightGap = options.height.split('-')[1];
            options.height = _WIN.height() - that.fullHeightGap;
        }
    };

    //表格重载
    Class.prototype.reload = function(options){
        var that = this;
        if(that.config.data && that.config.data.constructor === Array) delete that.config.data;
        that.config = $.extend({}, that.config, options);
        that.render();
    };

    //页码
    Class.prototype.page = 1;

    //获得数据
    Class.prototype.pullData = function(curr, loadIndex){
        var that = this
            ,options = that.config
            ,request = options.request
            ,response = options.response
            ,sort = function(){
            if(typeof options.initSort === 'object'){
                that.sort(options.initSort.field, options.initSort.type);
            }
        };

        that.startTime = new Date().getTime(); //渲染开始时间

        if(options.url){ //Ajax请求
            var params = {};
            params[request.pageName] = curr;
            params[request.limitName] = options.limit;

            $.ajax({
                type: options.method || 'get'
                ,url: options.url
                ,data: $.extend(params, options.where)
                ,dataType: 'json'
                ,success: function(res){
                    var data = that.filterArray(res.data,options.treeId,options.treeUpId);
                    res.data=data[0];

                    if(res[response.statusName] != response.statusCode){
                        that.renderForm();
                        that.layMain.html('<div class="'+ NONE +'">'+ (res[response.msgName] || '返回的数据状态异常') +'</div>');
                    } else {
                        that.renderData(res, curr, res[response.countName]), sort();
                        options.time = (new Date().getTime() - that.startTime) + ' ms'; //耗时（接口请求+视图渲染）
                    }
                    loadIndex && layer.close(loadIndex);
                    typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
                }
                ,error: function(e, m){
                    that.layMain.html('<div class="'+ NONE +'">数据接口请求异常</div>');
                    that.renderForm();
                    loadIndex && layer.close(loadIndex);
                }
            });
        } else if(options.data && options.data.constructor === Array){ //已知数据
            var res = {}
                ,startLimit = curr*options.limit - options.limit

            res[response.dataName] = options.data.concat().splice(startLimit, options.limit);
            res[response.countName] = options.data.length;

            that.renderData(res, curr, options.data.length), sort();
            typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
        }
    };

    //遍历表头
    Class.prototype.eachCols = function(callback){
        var cols = $.extend(true, [], this.config.cols)
            ,arrs = [], index = 0;

        //重新整理表头结构
        layui.each(cols, function(i1, item1){
            layui.each(item1, function(i2, item2){
                //如果是组合列，则捕获对应的子列
                if(item2.colspan > 1){
                    var childIndex = 0;
                    index++
                    item2.CHILD_COLS = [];
                    layui.each(cols[i1 + 1], function(i22, item22){
                        if(item22.PARENT_COL || childIndex == item2.colspan) return;
                        item22.PARENT_COL = index;
                        item2.CHILD_COLS.push(item22);
                        childIndex = childIndex + (item22.colspan > 1 ? item22.colspan : 1);
                    });
                }
                if(item2.PARENT_COL) return; //如果是子列，则不进行追加，因为已经存储在父列中
                arrs.push(item2)
            });
        });

        //重新遍历列，如果有子列，则进入递归
        var eachArrs = function(obj){
            layui.each(obj || arrs, function(i, item){
                if(item.CHILD_COLS) return eachArrs(item.CHILD_COLS);
                callback(i, item);
            });
        };

        eachArrs();
    };

    /**
     * 将列表数据转成树形结构和符合table展示的列表
     * @param data          列表数据
     * @param field_Id      树形结构主键字段
     * @param field_upId    树形结构上级字段
     * @returns {Array}     [0]表格列表  [1]树形结构
     */
    Class.prototype.filterArray=function(data,field_Id,field_upId) {
        var list=[];
        var treeList=[];
        var tableList=[];

        //设置默认参数
        for (var i = 0; i < data.length; i++) {
            var n = data[i];
            n.isOpen=true;
        }

        //处理树结构
        var fa = function(upId) {
            var _array = [];
            for (var i = 0; i < data.length; i++) {
                var n = data[i];
                if (n[field_upId] === upId) {
                    n.children = fa(n[field_Id]);
                    _array.push(n);
                }
            }
            return _array;
        }
        treeList=fa(data[0][field_upId],"");//递归


        //处理表格结构
        var fa2=function (l,level,upids) {
            for (var i = 0; i < l.length; i++) {
                var n = l[i];
                n.level=level;//设置当前层级
                n.upIds=upids;
                tableList.push(n);
                if (n.children&&n.children.length>0) {
                    fa2(n.children,1+level,upids+"_"+n[field_Id]+"_");
                }
            }
            return;
        }
        fa2(treeList,1,"");

        list.push(tableList);//table结构
        list.push(treeList)//tree树结构
        return list;
    }

    //数据渲染
    Class.prototype.renderData = function(res, curr, count, sort){
        var that = this
            ,options = that.config
            ,data = res[options.response.dataName] || []
            ,trs = []
            ,trs_fixed = []
            ,trs_fixed_r = []

            //渲染视图
            ,render = function(){ //后续性能提升的重点
                if(!sort && that.sortKey){
                    return that.sort(that.sortKey.field, that.sortKey.sort, true);
                }
                layui.each(data, function(i1, item1){
                    var tds = [], tds_fixed = [], tds_fixed_r = []
                        ,numbers = i1 + options.limit*(curr - 1) + 1; //序号

                    if(item1.length === 0) return;
                    if(!sort){
                        item1[table.config.indexName] = i1;
                    }

                    that.eachCols(function(i3, item3){
                        var field = item3.field || i3, content = item1[field]
                            ,cell = that.getColElem(that.layHeader, field);
                        if(content === undefined || content === null) content = '';
                        if(item3.colspan > 1) return;
                        var o=data[i1];

                        var treeImgHtml='';//树形图标
                        var treeShowName=options.treeShowName;//显示值
                        if(treeShowName==item3.field){//当前是否用于显示的值
                            treeImgHtml+='<div style="float: left;height: 28px;line-height: 28px;padding-left: 5px;">';
                            var temTreeHtml='<i class="layui-icon layui-tree-head">&#xe625;</i> ';

                            var nbspHtml="<i>"//一次位移
                            for(var i=1;i<o.level;i++) {
                                nbspHtml = nbspHtml + "&nbsp;&nbsp;&nbsp;&nbsp;";
                            }
                            nbspHtml=nbspHtml+"</i>";

                            if(o.children&&o.children.length>0){//非叶子节点
                                treeImgHtml+=nbspHtml+temTreeHtml;
                            }else{
                                treeImgHtml+=nbspHtml+'<i class="layui-icon layui-tree-head">&nbsp;&nbsp;</i> ';
                            }

                            treeImgHtml+="</div>";
                        }

                        //td内容
                        var td = ['<td data-field="'+ field +'" '+ function(){
                            var attr = [];
                            if(item3.edit) attr.push('data-edit="'+ item3.edit +'"'); //是否允许单元格编辑
                            if(item3.align) attr.push('align="'+ item3.align +'"'); //对齐方式
                            if(item3.templet) attr.push('data-content="'+ content +'"'); //自定义模板
                            if(item3.toolbar) attr.push('data-off="true"'); //自定义模板
                            if(item3.event) attr.push('lay-event="'+ item3.event +'"'); //自定义事件
                            if(item3.style) attr.push('style="'+ item3.style +'"'); //自定义样式
                            if(item3.minWidth) attr.push('data-minwidth="'+ item3.minWidth +'"'); //单元格最小宽度
                            return attr.join(' ');
                        }() +'>'
                            ,'<div class="layui-table-cell laytable-cell-'+ function(){ //返回对应的CSS类标识
                                var str = (options.index + '-' + field);
                                return item3.type === 'normal' ? str
                                    : (str + ' laytable-cell-' + item3.type);
                            }() +'">'+treeImgHtml+'<p>'+function(){
                                var tplData = $.extend(true, {
                                    LAY_INDEX: numbers
                                }, item1);

                                //渲染复选框列视图
                                if(item3.type === 'checkbox'){
                                    return '<input type="checkbox" name="layTableCheckbox" lay-skin="primary" '+ function(){
                                        var checkName = table.config.checkName;
                                        //如果是全选
                                        if(item3[checkName]){
                                            item1[checkName] = item3[checkName];
                                            return item3[checkName] ? 'checked' : '';
                                        }
                                        return tplData[checkName] ? 'checked' : '';
                                    }() +'>';
                                } else if(item3.type === 'numbers'){ //渲染序号
                                    return numbers;
                                }

                                //解析工具列模板
                                if(item3.toolbar){
                                    return laytpl($(item3.toolbar).html()||'').render(tplData);
                                }
                                return item3.templet ? function(){
                                    return typeof item3.templet === 'function'
                                        ? item3.templet(tplData)
                                        : laytpl($(item3.templet).html() || String(content)).render(tplData)
                                }() : content;
                            }()
                            ,' </p></div></td>'].join('');

                        tds.push(td);
                        if(item3.fixed && item3.fixed !== 'right') tds_fixed.push(td);
                        if(item3.fixed === 'right') tds_fixed_r.push(td);
                    });

                    trs.push('<tr data-index="'+ i1 +'" upids="'+item1["upIds"]+'">'+ tds.join('') + '</tr>');
                    trs_fixed.push('<tr data-index="'+ i1 +'">'+ tds_fixed.join('') + '</tr>');
                    trs_fixed_r.push('<tr data-index="'+ i1 +'">'+ tds_fixed_r.join('') + '</tr>');
                });

                //if(data.length === 0) return;

                that.layBody.scrollTop(0);
                that.layMain.find('.'+ NONE).remove();
                that.layMain.find('tbody').html(trs.join(''));
                that.layFixLeft.find('tbody').html(trs_fixed.join(''));
                that.layFixRight.find('tbody').html(trs_fixed_r.join(''));

                that.renderForm();
                that.syncCheckAll();
                that.haveInit ? that.scrollPatch() : setTimeout(function(){
                    that.scrollPatch();
                }, 50);
                that.haveInit = true;
                layer.close(that.tipsIndex);
            };

        that.key = options.id || options.index;
        table.cache[that.key] = data; //记录数据

        //显示隐藏分页栏
        that.layPage[data.length === 0 && curr == 1 ? 'addClass' : 'removeClass'](HIDE);

        //排序
        if(sort){
            return render();
        }

        if(data.length === 0){
            that.renderForm();
            that.layFixed.remove();
            that.layMain.find('tbody').html('');
            that.layMain.find('.'+ NONE).remove();
            return that.layMain.append('<div class="'+ NONE +'">'+ options.text.none +'</div>');
        }

        render();

        //同步分页状态
        if(options.page){
            options.page = $.extend({
                elem: 'layui-table-page' + options.index
                ,count: count
                ,limit: options.limit
                ,limits: options.limits || [10,20,30,40,50,60,70,80,90]
                ,groups: 3
                ,layout: ['prev', 'page', 'next', 'skip', 'count', 'limit']
                ,prev: '<i class="layui-icon">&#xe603;</i>'
                ,next: '<i class="layui-icon">&#xe602;</i>'
                ,jump: function(obj, first){
                    if(!first){
                        //分页本身并非需要做以下更新，下面参数的同步，主要是因为其它处理统一用到了它们
                        //而并非用的是 options.page 中的参数（以确保分页未开启的情况仍能正常使用）
                        that.page = obj.curr; //更新页码
                        options.limit = obj.limit; //更新每页条数

                        that.pullData(obj.curr, that.loading());
                    }
                }
            }, options.page);
            options.page.count = count; //更新总条数
            laypage.render(options.page);
        }
    };

    //找到对应的列元素
    Class.prototype.getColElem = function(parent, field){
        var that = this
            ,options = that.config;
        return parent.eq(0).find('.laytable-cell-'+ (options.index + '-' + field) + ':eq(0)');
    };

    //渲染表单
    Class.prototype.renderForm = function(type){
        form.render(type, 'LAY-table-'+ this.index);
    }

    //数据排序
    Class.prototype.sort = function(th, type, pull, formEvent){
        var that = this
            ,field
            ,res = {}
            ,options = that.config
            ,filter = options.elem.attr('lay-filter')
            ,data = table.cache[that.key], thisData;

        //字段匹配
        if(typeof th === 'string'){
            that.layHeader.find('th').each(function(i, item){
                var othis = $(this)
                    ,_field = othis.data('field');
                if(_field === th){
                    th = othis;
                    field = _field;
                    return false;
                }
            });
        }

        try {
            var field = field || th.data('field');

            //如果欲执行的排序已在状态中，则不执行渲染
            if(that.sortKey && !pull){
                if(field === that.sortKey.field && type === that.sortKey.sort){
                    return;
                }
            }

            var elemSort = that.layHeader.find('th .laytable-cell-'+ options.index +'-'+ field).find(ELEM_SORT);
            that.layHeader.find('th').find(ELEM_SORT).removeAttr('lay-sort'); //清除其它标题排序状态
            elemSort.attr('lay-sort', type || null);
            that.layFixed.find('th')
        } catch(e){
            return hint.error('Table modules: Did not match to field');
        }

        //记录排序索引和类型
        that.sortKey = {
            field: field
            ,sort: type
        };

        if(type === 'asc'){ //升序
            thisData = layui.sort(data, field);
        } else if(type === 'desc'){ //降序
            thisData = layui.sort(data, field, true);
        } else { //清除排序
            thisData = layui.sort(data, table.config.indexName);
            delete that.sortKey;
        }

        res[options.response.dataName] = thisData;
        that.renderData(res, that.page, that.count, true);

        if(formEvent){
            layui.event.call(th, MOD_NAME, 'sort('+ filter +')', {
                field: field
                ,type: type
            });
        }
    };

    //请求loading
    Class.prototype.loading = function(){
        var that = this
            ,options = that.config;
        if(options.loading && options.url){
            return layer.msg('数据请求中', {
                icon: 16
                ,offset: [
                    that.elem.offset().top + that.elem.height()/2 - 35 - _WIN.scrollTop() + 'px'
                    ,that.elem.offset().left + that.elem.width()/2 - 90 - _WIN.scrollLeft() + 'px'
                ]
                ,time: -1
                ,anim: -1
                ,fixed: false
            });
        }
    };

    //同步选中值状态
    Class.prototype.setCheckData = function(index, checked){
        var that = this
            ,options = that.config
            ,thisData = table.cache[that.key];
        if(!thisData[index]) return;
        if(thisData[index].constructor === Array) return;
        thisData[index][options.checkName] = checked;
    };

    //同步全选按钮状态
    Class.prototype.syncCheckAll = function(){
        var that = this
            ,options = that.config
            ,checkAllElem = that.layHeader.find('input[name="layTableCheckbox"]')
            ,syncColsCheck = function(checked){
            that.eachCols(function(i, item){
                if(item.type === 'checkbox'){
                    item[options.checkName] = checked;
                }
            });
            return checked;
        };

        if(!checkAllElem[0]) return;

        if(table.checkStatus(that.key).isAll){
            if(!checkAllElem[0].checked){
                checkAllElem.prop('checked', true);
                that.renderForm('checkbox');
            }
            syncColsCheck(true);
        } else {
            if(checkAllElem[0].checked){
                checkAllElem.prop('checked', false);
                that.renderForm('checkbox');
            }
            syncColsCheck(false);
        }
    };

    //获取cssRule
    Class.prototype.getCssRule = function(field, callback){
        var that = this
            ,style = that.elem.find('style')[0]
            ,sheet = style.sheet || style.styleSheet || {}
            ,rules = sheet.cssRules || sheet.rules;
        layui.each(rules, function(i, item){
            if(item.selectorText === ('.laytable-cell-'+ that.index +'-'+ field)){
                return callback(item), true;
            }
        });
    };

    //铺满表格主体高度
    Class.prototype.fullSize = function(){
        var that = this
            ,options = that.config
            ,height = options.height, bodyHeight;

        if(that.fullHeightGap){
            height = _WIN.height() - that.fullHeightGap;
            if(height < 135) height = 135;
            that.elem.css('height', height);
        }

        //tbody区域高度
        bodyHeight = parseFloat(height) - parseFloat(that.layHeader.height()) - 1;
        if(options.toolbar){
            bodyHeight = bodyHeight - that.layTool.outerHeight();
        }
        if(options.page){
            bodyHeight = bodyHeight - that.layPage.outerHeight() - 1;
        }
        that.layMain.css('height', bodyHeight);
    };

    //获取滚动条宽度
    Class.prototype.getScrollWidth = function(elem){
        var width = 0;
        if(elem){
            width = elem.offsetWidth - elem.clientWidth;
        } else {
            elem = document.createElement('div');
            elem.style.width = '100px';
            elem.style.height = '100px';
            elem.style.overflowY = 'scroll';

            document.body.appendChild(elem);
            width = elem.offsetWidth - elem.clientWidth;
            document.body.removeChild(elem);
        }
        return width;
    };

    //滚动条补丁
    Class.prototype.scrollPatch = function(){
        var that = this
            ,layMainTable = that.layMain.children('table')
            ,scollWidth = that.layMain.width() - that.layMain.prop('clientWidth') //纵向滚动条宽度
            ,scollHeight = that.layMain.height() - that.layMain.prop('clientHeight') //横向滚动条高度
            ,getScrollWidth = that.getScrollWidth(that.layMain[0]) //获取主容器滚动条宽度，如果有的话
            ,outWidth = layMainTable.outerWidth() - that.layMain.width(); //表格内容器的超出宽度

        //如果存在自动列宽，则要保证绝对填充满，并且不能出现横向滚动条
        if(that.autoColNums && outWidth < 5 && !that.scrollPatchWStatus){
            var th = that.layHeader.eq(0).find('thead th:last-child')
                ,field = th.data('field');
            that.getCssRule(field, function(item){
                var width = item.style.width || th.outerWidth();
                item.style.width = (parseFloat(width) - getScrollWidth - outWidth) + 'px';

                //二次校验，如果仍然出现横向滚动条
                if(that.layMain.height() - that.layMain.prop('clientHeight') > 0){
                    item.style.width = parseFloat(item.style.width) - 1 + 'px';
                }

                that.scrollPatchWStatus = true;
            });
        }

        if(scollWidth && scollHeight){
            if(!that.elem.find('.layui-table-patch')[0]){
                var patchElem = $('<th class="layui-table-patch"><div class="layui-table-cell"></div></th>'); //补丁元素
                patchElem.find('div').css({
                    width: scollWidth
                });
                that.layHeader.eq(0).find('thead tr').append(patchElem)
            }
        } else {
            that.layHeader.eq(0).find('.layui-table-patch').remove();
        }

        //固定列区域高度
        var mainHeight = that.layMain.height()
            ,fixHeight = mainHeight - scollHeight;
        that.layFixed.find(ELEM_BODY).css('height', layMainTable.height() > fixHeight ? fixHeight : 'auto');

        //表格宽度小于容器宽度时，隐藏固定列
        that.layFixRight[outWidth > 0 ? 'removeClass' : 'addClass'](HIDE);

        //操作栏
        that.layFixRight.css('right', scollWidth - 1);
    };

    //事件处理
    Class.prototype.events = function(){
        var that = this
            ,options = that.config
            ,_BODY = $('body')
            ,dict = {}
            ,th = that.layHeader.find('th')
            ,resizing
            ,ELEM_CELL = '.layui-table-cell p'
            ,filter = options.elem.attr('lay-filter');

        //拖拽调整宽度
        th.on('mousemove', function(e){
            var othis = $(this)
                ,oLeft = othis.offset().left
                ,pLeft = e.clientX - oLeft;
            if(othis.attr('colspan') > 1 || othis.data('unresize') || dict.resizeStart){
                return;
            }
            dict.allowResize = othis.width() - pLeft <= 10; //是否处于拖拽允许区域
            _BODY.css('cursor', (dict.allowResize ? 'col-resize' : ''));
        }).on('mouseleave', function(){
            var othis = $(this);
            if(dict.resizeStart) return;
            _BODY.css('cursor', '');
        }).on('mousedown', function(e){
            var othis = $(this);
            if(dict.allowResize){
                var field = othis.data('field');
                e.preventDefault();
                dict.resizeStart = true; //开始拖拽
                dict.offset = [e.clientX, e.clientY]; //记录初始坐标

                that.getCssRule(field, function(item){
                    var width = item.style.width || othis.outerWidth();
                    dict.rule = item;
                    dict.ruleWidth = parseFloat(width);
                    dict.minWidth = othis.data('minwidth') || options.cellMinWidth;
                });
            }
        });
        //拖拽中
        _DOC.on('mousemove', function(e){
            if(dict.resizeStart){
                e.preventDefault();
                if(dict.rule){
                    var setWidth = dict.ruleWidth + e.clientX - dict.offset[0];
                    if(setWidth < dict.minWidth) setWidth = dict.minWidth;
                    dict.rule.style.width = setWidth + 'px';
                    layer.close(that.tipsIndex);
                }
                resizing = 1
            }
        }).on('mouseup', function(e){
            if(dict.resizeStart){
                dict = {};
                _BODY.css('cursor', '');
                that.scrollPatch();
            }
            if(resizing === 2){
                resizing = null;
            }
        });

        //排序
        th.on('click', function(){
            var othis = $(this)
                ,elemSort = othis.find(ELEM_SORT)
                ,nowType = elemSort.attr('lay-sort')
                ,type;

            if(!elemSort[0] || resizing === 1) return resizing = 2;

            if(nowType === 'asc'){
                type = 'desc';
            } else if(nowType === 'desc'){
                type = null;
            } else {
                type = 'asc';
            }
            that.sort(othis, type, null, true);
        }).find(ELEM_SORT+' .layui-edge ').on('click', function(e){
            var othis = $(this)
                ,index = othis.index()
                ,field = othis.parents('th').eq(0).data('field')
            layui.stope(e);
            if(index === 0){
                that.sort(field, 'asc', null, true);
            } else {
                that.sort(field, 'desc', null, true);
            }
        });

        /**
         * 树形节点点击事件（隐藏展开下级节点）
         */
        that.elem.on('click', 'i.layui-tree-head', function(){
            var othis = $(this)
                ,index = othis.parents('tr').eq(0).data('index')
                ,tr = that.layBody.find('tr[data-index="'+ index +'"]')
                ,datas=table.cache[that.key];//数据
            var o=datas[index];

            var stime=new Date();
            var sonO=$("[upids*=_"+o[options.treeId]+"_]");
            if(o.isOpen){//打开状态的，关闭
                sonO.hide();
            }else{
                sonO.show();
            }

            var etime=new Date();
            console.log((etime-stime)/1000+"秒");

            o.isOpen=!o.isOpen;//设置打开状态

            //处理图标
            var dbClickI=tr.find('.layui-tree-head');
            if(o.isOpen){//打开状态
                dbClickI.html('&#xe625;');
            }else{
                dbClickI.html('&#xe623;');
            }
        });

        //复选框选择
        that.elem.on('click', 'input[name="layTableCheckbox"]+', function(){
            var checkbox = $(this).prev()
                ,childs = that.layBody.find('input[name="layTableCheckbox"]')
                ,index = checkbox.parents('tr').eq(0).data('index')
                ,checked = checkbox[0].checked
                ,isAll = checkbox.attr('lay-filter') === 'layTableAllChoose';

            //全选
            if(isAll){
                childs.each(function(i, item){
                    item.checked = checked;
                    that.setCheckData(i, checked);
                });
                that.syncCheckAll();
                that.renderForm('checkbox');
            } else {
                that.setCheckData(index, checked);
                that.syncCheckAll();
            }
            layui.event.call(this, MOD_NAME, 'checkbox('+ filter +')', {
                checked: checked
                ,data: table.cache[that.key] ? (table.cache[that.key][index] || {}) : {}
                ,type: isAll ? 'all' : 'one'
            });
        });

        //行事件
        that.layBody.on('mouseenter', 'tr', function(){
            var othis = $(this)
                ,index = othis.index();
            that.layBody.find('tr:eq('+ index +')').addClass(ELEM_HOVER)
        }).on('mouseleave', 'tr', function(){
            var othis = $(this)
                ,index = othis.index();
            that.layBody.find('tr:eq('+ index +')').removeClass(ELEM_HOVER)
        });

        //单元格编辑
        that.layBody.on('change', '.'+ELEM_EDIT, function(){
            var othis = $(this)
                ,value = this.value
                ,field = othis.parent().data('field')
                ,index = othis.parents('tr').eq(0).data('index')
                ,data = table.cache[that.key][index];
            data[field] = value; //更新缓存中的值
            layui.event.call(this, MOD_NAME, 'edit('+ filter +')', {
                value: value
                ,data: data
                ,field: field
            });
        }).on('blur', '.'+ELEM_EDIT, function(){
            var templet
                ,othis = $(this)
                ,field = othis.parent().data('field')
                ,index = othis.parents('tr').eq(0).data('index')
                ,data = table.cache[that.key][index];

            that.eachCols(function(i, item){
                if(item.field == field && item.templet){
                    templet = item.templet;
                }
            });

            othis.parent().find(ELEM_CELL).html(
                templet ? laytpl($(templet).html() || this.value).render(data) : this.value
            );

            othis.parent().data('content', this.value);
            othis.remove();
        });

        //单元格事件[td改成单元格内容点击事件]
        that.layBody.on('click', 'td div.layui-table-cell p', function(){
            var othis = $(this).parent().parent()
                ,field = othis.data('field')
                ,editType = othis.data('edit')
                ,elemCell = othis.children(ELEM_CELL);
            layer.close(that.tipsIndex);
            if(othis.data('off')) return;

            //显示编辑表单
            if(editType){
                if(editType === 'select') { //选择框
                    //var select = $('<select class="'+ ELEM_EDIT +'" lay-ignore><option></option></select>');
                    //othis.find('.'+ELEM_EDIT)[0] || othis.append(select);
                } else { //输入框
                    var input = $('<input class="layui-input '+ ELEM_EDIT +'">');
                    input[0].value = $(this).text();//  othis.data('content') || elemCell.text();
                    othis.find('.'+ELEM_EDIT)[0] || othis.append(input);
                    input.focus();
                }
                return;
            }

            //如果出现省略，则可查看更多
            if(elemCell.find('.layui-form-switch,.layui-form-checkbox')[0]) return; //限制不出现更多（暂时）

            if(Math.round(elemCell.prop('scrollWidth')) > Math.round(elemCell.outerWidth())){
                that.tipsIndex = layer.tips([
                    '<div class="layui-table-tips-main" style="margin-top: -'+ (elemCell.height() + 16) +'px;'+ function(){
                        if(options.size === 'sm'){
                            return 'padding: 4px 15px; font-size: 12px;';
                        }
                        if(options.size === 'lg'){
                            return 'padding: 14px 15px;';
                        }
                        return '';
                    }() +'">'
                    ,elemCell.html()
                    ,'</div>'
                    ,'<i class="layui-icon layui-table-tips-c">&#x1006;</i>'
                ].join(''), elemCell[0], {
                    tips: [3, '']
                    ,time: -1
                    ,anim: -1
                    ,maxWidth: (device.ios || device.android) ? 300 : 600
                    ,isOutAnim: false
                    ,skin: 'layui-table-tips'
                    ,success: function(layero, index){
                        layero.find('.layui-table-tips-c').on('click', function(){
                            layer.close(index);
                        });
                    }
                });
            }
        });

        //工具条操作事件
        that.layBody.on('click', '*[lay-event]', function(){
            var othis = $(this)
                ,index = othis.parents('tr').eq(0).data('index')
                ,tr = that.layBody.find('tr[data-index="'+ index +'"]')
                ,ELEM_CLICK = 'layui-table-click'
                ,data = table.cache[that.key][index];

            layui.event.call(this, MOD_NAME, 'tool('+ filter +')', {
                data: table.clearCacheKey(data)
                ,event: othis.attr('lay-event')
                ,tr: tr
                ,del: function(){
                    table.cache[that.key][index] = [];
                    tr.remove();
                    that.scrollPatch();
                }
                ,update: function(fields){
                    fields = fields || {};
                    layui.each(fields, function(key, value){
                        if(key in data){
                            var templet, td = tr.children('td[data-field="'+ key +'"]');
                            data[key] = value;
                            that.eachCols(function(i, item2){
                                if(item2.field == key && item2.templet){
                                    templet = item2.templet;
                                }
                            });
                            td.children(ELEM_CELL).html(
                                templet ? laytpl($(templet).html() || value).render(data) : value
                            );
                            td.data('content', value);
                        }
                    });
                }
            });
            tr.addClass(ELEM_CLICK).siblings('tr').removeClass(ELEM_CLICK);
        });

        //同步滚动条
        that.layMain.on('scroll', function(){
            var othis = $(this)
                ,scrollLeft = othis.scrollLeft()
                ,scrollTop = othis.scrollTop();

            that.layHeader.scrollLeft(scrollLeft);
            that.layFixed.find(ELEM_BODY).scrollTop(scrollTop);

            layer.close(that.tipsIndex);
        });

        _WIN.on('resize', function(){ //自适应
            that.fullSize();
            that.scrollPatch();
        });
    };

    //初始化
    table.init = function(filter, settings){
        settings = settings || {};
        var that = this
            ,elemTable = filter ? $('table[lay-filter="'+ filter +'"]') : $(ELEM + '[lay-data]')
            ,errorTips = 'Table element property lay-data configuration item has a syntax error: ';

        //遍历数据表格
        elemTable.each(function(){
            var othis = $(this), tableData = othis.attr('lay-data');

            try{
                tableData = new Function('return '+ tableData)();
            } catch(e){
                hint.error(errorTips + tableData)
            }

            var cols = [], options = $.extend({
                elem: this
                ,cols: []
                ,data: []
                ,skin: othis.attr('lay-skin') //风格
                ,size: othis.attr('lay-size') //尺寸
                ,even: typeof othis.attr('lay-even') === 'string' //偶数行背景
            }, table.config, settings, tableData);

            filter && othis.hide();

            //获取表头数据
            othis.find('thead>tr').each(function(i){
                options.cols[i] = [];
                $(this).children().each(function(ii){
                    var th = $(this), itemData = th.attr('lay-data');

                    try{
                        itemData = new Function('return '+ itemData)();
                    } catch(e){
                        return hint.error(errorTips + itemData)
                    }

                    var row = $.extend({
                        title: th.text()
                        ,colspan: th.attr('colspan') || 0 //列单元格
                        ,rowspan: th.attr('rowspan') || 0 //行单元格
                    }, itemData);

                    if(row.colspan < 2) cols.push(row);
                    options.cols[i].push(row);
                });
            });

            //获取表体数据
            othis.find('tbody>tr').each(function(i1){
                var tr = $(this), row = {};
                //如果定义了字段名
                tr.children('td').each(function(i2, item2){
                    var td = $(this)
                        ,field = td.data('field');
                    if(field){
                        return row[field] = td.html();
                    }
                });
                //如果未定义字段名
                layui.each(cols, function(i3, item3){
                    var td = tr.children('td').eq(i3);
                    row[item3.field] = td.html();
                });
                options.data[i1] = row;
            });
            table.render(options);
        });

        return that;
    };

    //表格选中状态
    table.checkStatus = function(id){
        var nums = 0
            ,invalidNum = 0
            ,arr = []
            ,data = table.cache[id] || [];
        //计算全选个数
        layui.each(data, function(i, item){
            if(item.constructor === Array){
                invalidNum++; //无效数据，或已删除的
                return;
            }
            if(item[table.config.checkName]){
                nums++;
                arr.push(table.clearCacheKey(item));
            }
        });
        return {
            data: arr //选中的数据
            ,isAll: data.length ? (nums === (data.length - invalidNum)) : false //是否全选
        };
    };

    //表格重载
    thisTable.config = {};
    table.reload = function(id, options){
        var config = thisTable.config[id];
        options = options || {};
        if(!config) return hint.error('The ID option was not found in the table instance');
        if(options.data && options.data.constructor === Array) delete config.data;
        return table.render($.extend(true, {}, config, options));
    };

    //核心入口
    table.render = function(options){
        var inst = new Class(options);
        return thisTable.call(inst);
    };

    //清除临时Key
    table.clearCacheKey = function(data){
        data = $.extend({}, data);
        delete data[table.config.checkName];
        delete data[table.config.indexName];
        return data;
    };

    //自动完成渲染
    table.init();

    exports(MOD_NAME, table);
});


