修改layui table.js 的源代码
layui.define(['laytpl', 'laypage', 'layer', 'form', 'util'], function(exports){
"use strict";
var $ = layui.$
,laytpl = layui.laytpl
,laypage = layui.laypage
,layer = layui.layer
,form = layui.form
,util = layui.util
,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 = $.extend({}, that.config, options);
return that;
}
//事件监听
,on: function(events, callback){
return layui.onevent.call(this, MOD_NAME, events, callback);
}
}
//操作当前实例
,thisTable = function(){
var that = this
,options = that.config
,id = options.id || options.index;
if(id){
thisTable.that[id] = that; //记录当前实例对象
thisTable.config[id] = options; //记录当前实例配置项
}
return {
config: options
,reload: function(options){
that.reload.call(that, options);
}
,setColsWidth: function(){
that.setColsWidth.call(that);
}
,resize: function(){ //重置表格尺寸/结构
that.resize.call(that);
}
}
}
//获取当前实例配置项
,getThisTableConfig = function(id){
var config = thisTable.config[id];
if(!config) hint.error('The ID option was not found in the table instance');
return config || null;
}
//解析自定义模板数据
,parseTempData = function(item3, content, tplData, text){
var str = item3.templet ? function(){
return typeof item3.templet === 'function'
? item3.templet(tplData)
: laytpl($(item3.templet).html() || String(content)).render(tplData)
}() : content;
return text ? $(''+ str +'
').text() : str;
}
//字符常量
,MOD_NAME = 'table', ELEM = '.layui-table', THIS = 'layui-this', SHOW = 'layui-show', HIDE = 'layui-hide', DISABLED = 'layui-disabled', NONE = 'layui-none'
,ELEM_VIEW = 'layui-table-view', ELEM_TOOL = '.layui-table-tool', ELEM_BOX = '.layui-table-box', ELEM_INIT = '.layui-table-init', 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_TOTAL = '.layui-table-total' , ELEM_AVG = '.layui-table-avg', 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 [''
,''
,'{{# layui.each(d.data.cols, function(i1, item1){ }}'
,''
,'{{# 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 '';
}()
,'{{# var isSort = !(item2.colGroup) && item2.sort; }}'
,''
,''
,'{{# if(item2.type === "checkbox"){ }}' //复选框
,'{{item2.title||""}} '
,'{{# if(isSort){ }}'
,'
'
,' '
,(options.fixed ? '{{# }; }}' : '')
,'{{# }); }}'
,' '
,'{{# }); }}'
,' '
,'
'].join('');
}
//tbody区域模板
,TPL_BODY = [''].join('')
//主模板
,TPL_MAIN = [''].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
,defaultToolbar: ['filter', 'exports', 'print'] //工具栏右侧图标
,autoSort: true //是否前端自动排序。如果否，则需自主排序（通常为服务端处理好排序）
,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') || that.index;
//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 = $.extend({
statusName: 'code'
,statusCode: 0
,msgName: 'msg'
,dataName: 'data'
,countName: 'count'
}, options.response);
//如果 page 传入 laypage 对象
if(typeof options.page === 'object'){
options.limit = options.page.limit || options.limit;
options.limits = options.page.limits || options.limits;
that.page = options.page.curr = options.page.curr || 1;
delete options.page.elem;
delete options.page.jump;
}
if(!options.elem[0]) return that;
//高度铺满：full-差距值
if(options.height && /^full-\d+$/.test(options.height)){
that.fullHeightGap = options.height.split('-')[1];
options.height = _WIN.height() - that.fullHeightGap;
}
//初始化一些参数
that.setInit();
//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;
that.key = options.id || options.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.layTool = reElem.find(ELEM_TOOL);
that.layBox = reElem.find(ELEM_BOX);
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.layTotal = reElem.find(ELEM_TOTAL);
that.layAvg = reElem.find(ELEM_AVG);
that.layPage = reElem.find(ELEM_PAGE);
//初始化工具栏
that.renderToolbar();
//让表格平铺
that.fullSize();
//如果多级表头，则填补表头高度
if(options.cols.length > 1){
//补全高度
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')));
}
that.pullData(that.page); //请求数据
that.events(); //事件
};
//根据列类型，定制化参数
Class.prototype.initOpts = function(item){
var that = this
,options = that.config
,initWidth = {
checkbox: 48
,radio: 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];
}
};
//初始化一些参数
Class.prototype.setInit = function(type){
var that = this
,options = that.config;
options.clientWidth = 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();
}();
if(type === 'width') return options.clientWidth;
//初始化列参数
layui.each(options.cols, function(i1, item1){
layui.each(item1, function(i2, item2){
//如果列参数为空，则移除
if(!item2){
item1.splice(i2, 1);
return;
}
item2.key = i1 + '-' + i2;
item2.hide = item2.hide || false;
//设置列的父列索引
//如果是组合列，则捕获对应的子列
if(item2.colGroup || item2.colspan > 1){
var childIndex = 0;
layui.each(options.cols[i1 + 1], function(i22, item22){
//如果子列已经被标注为{HAS_PARENT}，或者子列累计 colspan 数等于父列定义的 colspan，则跳出当前子列循环
if(item22.HAS_PARENT || (childIndex > 1 && childIndex == item2.colspan)) return;
item22.HAS_PARENT = true;
item22.parentKey = i1 + '-' + i2;
childIndex = childIndex + parseInt(item22.colspan > 1 ? item22.colspan : 1);
});
item2.colGroup = true; //标注是组合列
}
//根据列类型，定制化参数
that.initOpts(item2);
});
});
};
//初始工具栏
Class.prototype.renderToolbar = function(){
var that = this
,options = that.config
//添加工具栏左侧模板
var leftDefaultTemp = [
'
'
,'
'
,'
'
].join('')
,elemToolTemp = that.layTool.find('.layui-table-tool-temp');
if(options.toolbar === 'default'){
elemToolTemp.html(leftDefaultTemp);
} else if(typeof options.toolbar === 'string'){
var toolbarHtml = $(options.toolbar).html() || '';
toolbarHtml && elemToolTemp.html(
laytpl(toolbarHtml).render(options)
);
}
//添加工具栏右侧面板
var layout = {
filter: {
title: '筛选列'
,layEvent: 'LAYTABLE_COLS'
,icon: 'layui-icon-cols'
}
,exports: {
title: '导出'
,layEvent: 'LAYTABLE_EXPORT'
,icon: 'layui-icon-export'
}
,print: {
title: '打印'
,layEvent: 'LAYTABLE_PRINT'
,icon: 'layui-icon-print'
}
}, iconElem = [];
if(typeof options.defaultToolbar === 'object'){
layui.each(options.defaultToolbar, function(i, item){
var thisItem = layout[item];
if(thisItem){
iconElem.push(''
+'
');
}
});
}
that.layTool.find('.layui-table-tool-self').html(iconElem.join(''));
}
//同步表头父列的相关值
Class.prototype.setParentCol = function(hide, parentKey){
var that = this
,options = that.config
,parentTh = that.layHeader.find('th[data-key="'+ options.index +'-'+ parentKey +'"]') //获取父列元素
,parentColspan = parseInt(parentTh.attr('colspan')) || 0;
if(parentTh[0]){
var arrParentKey = parentKey.split('-')
,getThisCol = options.cols[arrParentKey[0]][arrParentKey[1]];
hide ? parentColspan-- : parentColspan++;
parentTh.attr('colspan', parentColspan);
parentTh[parentColspan < 1 ? 'addClass' : 'removeClass'](HIDE);
getThisCol.colspan = parentColspan; //同步 colspan 参数
getThisCol.hide = parentColspan < 1; //同步 hide 参数
//递归，继续往上查询是否有父列
var nextParentKey = parentTh.data('parentkey');
nextParentKey && that.setParentCol(hide, nextParentKey);
}
};
//多级表头补丁
Class.prototype.setColsPatch = function(){
var that = this
,options = that.config
//同步表头父列的相关值
layui.each(options.cols, function(i1, item1){
layui.each(item1, function(i2, item2){
if(item2.hide){
that.setParentCol(item2.hide, item2.parentKey);
}
});
});
};
//动态分配列宽
Class.prototype.setColsWidth = 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 = that.setInit('width');
//统计列个数
that.eachCols(function(i, item){
item.hide || colNums++;
});
//减去边框差和滚动条宽
cntrWidth = cntrWidth - function(){
return (options.skin === 'line' || options.skin === 'nob') ? 2 : colNums + 1;
}() - that.getScrollWidth(that.layMain[0]) - 1;
//计算自动分配的宽度
var getAutoWidth = function(back){
//遍历所有列
layui.each(options.cols, function(i1, item1){
layui.each(item1, function(i2, item2){
var width = 0
,minWidth = item2.minWidth || options.cellMinWidth; //最小宽度
if(!item2){
item1.splice(i2, 1);
return;
}
if(item2.colGroup || item2.hide) return;
if(!back){
width = item2.width || 0;
if(/\d+%$/.test(width)){ //列宽为百分比
width = Math.floor((parseFloat(width) / 100) * cntrWidth);
width < minWidth && (width = minWidth);
} else if(!width){ //列宽未填写
item2.width = width = 0;
autoColNums++;
}
} else if(autoWidth && autoWidth < minWidth){
autoColNums--;
width = minWidth;
}
if(item2.hide) width = 0;
countWidth = countWidth + width;
});
});
//如果未填充满，则将剩余宽度平分
(cntrWidth > countWidth && autoColNums) && (
autoWidth = (cntrWidth - countWidth) / autoColNums
);
}
getAutoWidth();
getAutoWidth(true); //重新检测分配的宽度是否低于最小列宽
//记录自动列数
that.autoColNums = autoColNums;
//设置列宽
that.eachCols(function(i3, item3){
var minWidth = item3.minWidth || options.cellMinWidth;
if(item3.colGroup || item3.hide) return;
//给位分配宽的列平均分配宽
if(item3.width === 0){
that.getCssRule(options.index +'-'+ item3.key, function(item){
item.style.width = Math.floor(autoWidth >= minWidth ? autoWidth : minWidth) + 'px';
});
}
//给设定百分比的列分配列宽
else if(/\d+%$/.test(item3.width)){
that.getCssRule(options.index +'-'+ item3.key, function(item){
item.style.width = Math.floor((parseFloat(item3.width) / 100) * cntrWidth) + 'px';
});
}
});
//填补 Math.floor 造成的数差
var patchNums = that.layMain.width() - that.getScrollWidth(that.layMain[0])
- that.layMain.children('table').outerWidth();
if(that.autoColNums && patchNums >= -colNums && patchNums <= colNums){
var getEndTh = function(th){
var field;
th = th || that.layHeader.eq(0).find('thead th:last-child')
field = th.data('field');
if(!field && th.prev()[0]){
return getEndTh(th.prev())
}
return th
}
,th = getEndTh()
,key = th.data('key');
that.getCssRule(key, function(item){
var width = item.style.width || th.outerWidth();
item.style.width = (parseFloat(width) + patchNums) + 'px';
//二次校验，如果仍然出现横向滚动条（通常是 1px 的误差导致）
if(that.layMain.height() - that.layMain.prop('clientHeight') > 0){
item.style.width = (parseFloat(item.style.width) - 1) + 'px';
}
});
}
that.loading(!0);
};
//重置表格尺寸/结构
Class.prototype.resize = function(){
var that = this;
that.fullSize(); //让表格铺满
that.setColsWidth(); //自适应列宽
that.scrollPatch(); //滚动条补丁
};
//表格重载
Class.prototype.reload = function(options){
var that = this;
options = options || {};
delete that.haveInit;
if(options.data && options.data.constructor === Array) delete that.config.data;
that.config = $.extend(true, {}, that.config, options);
that.render();
};
//异常提示
Class.prototype.errorView = function(html){
var that = this
,elemNone = that.layMain.find('.'+ NONE)
,layNone = $(''+ (html || 'Error') +'
');
if(elemNone[0]){
that.layNone.remove();
elemNone.remove();
}
that.layFixed.addClass(HIDE);
that.layMain.find('tbody').html('');
that.layMain.append(that.layNone = layNone);
table.cache[that.key] = []; //格式化缓存数据
};
//页码
Class.prototype.page = 1;
//获得数据
Class.prototype.pullData = function(curr){
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;
//参数
var data = $.extend(params, options.where);
if(options.contentType && options.contentType.indexOf("application/json") == 0){ //提交 json 格式
data = JSON.stringify(data);
}
that.loading();
$.ajax({
type: options.method || 'get'
,url: options.url
,contentType: options.contentType
,data: data
,dataType: 'json'
,headers: options.headers || {}
,success: function(res){
//如果有数据解析的回调，则获得其返回的数据
if(typeof options.parseData === 'function'){
res = options.parseData(res) || res;
}
//检查数据格式是否符合规范
if(res[response.statusName] != response.statusCode){
that.renderForm();
that.errorView(
res[response.msgName] ||
('返回的数据不符合规范，正确的成功状态码应为："'+ response.statusName +'": '+ response.statusCode)
);
} 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）
}
that.setColsWidth();
typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
}
,error: function(e, m){
that.errorView('数据接口请求异常：'+ m);
that.renderForm();
that.setColsWidth();
}
});
} 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, res[response.countName]), sort();
that.setColsWidth();
typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
}
};
//遍历表头
Class.prototype.eachCols = function(callback){
var that = this;
table.eachCols(null, callback, that.config.cols);
return that;
};
//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
var thisCheckedRowIndex;
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
,key = options.index + '-' + item3.key
,content = item1[field];
if(content === undefined || content === null) content = '';
if(item3.colGroup) return;
//td内容
var td = [''
,'' + function(){
var tplData = $.extend(true, {
LAY_INDEX: numbers
}, item1)
,checkName = table.config.checkName;
//渲染不同风格的列
switch(item3.type){
case 'checkbox':
return '
'].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(''+ tds.join('') + ' ');
trs_fixed.push(''+ tds_fixed.join('') + ' ');
trs_fixed_r.push(''+ tds_fixed_r.join('') + ' ');
});
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();
typeof thisCheckedRowIndex === 'number' && that.setThisRowChecked(thisCheckedRowIndex);
that.syncCheckAll();
//滚动条补丁
that.haveInit ? that.scrollPatch() : setTimeout(function(){
that.scrollPatch();
}, 50);
that.haveInit = true;
layer.close(that.tipsIndex);
//同步表头父列的相关值
options.HAS_SET_COLS_PATCH || that.setColsPatch();
options.HAS_SET_COLS_PATCH = true;
};
table.cache[that.key] = data; //记录数据
//显示隐藏分页栏
that.layPage[(count == 0 || (data.length === 0 && curr == 1)) ? 'addClass' : 'removeClass'](HIDE);
//排序
if(sort){
return render();
}
if(data.length === 0){
that.renderForm();
return that.errorView(options.text.none);
} else {
that.layFixed.removeClass(HIDE);
}
render(); //渲染数据
that.renderTotal(data); //数据合计
that.renderAvg(data);
//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: ' '
,next: ' '
,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);
}
}
}, options.page);
options.page.count = count; //更新总条数
laypage.render(options.page);
}
};
//数据平均行
Class.prototype.renderAvg = function(data) {
var that = this,
options = that.config,
avgNums = {};
var toFixed = options.avgRowTofixed>2 ? 2 : options.avgRowTofixed || 0;
if(!options.avgRow) return;
layui.each(data ,function(i ,t) {
//如果没有数据则不遍历
if(t.length === 0) return;
that.eachCols(function(i3, t3){
var field = t3.field || i3
,content = t[field];
if(t3.avgRow){
avgNums[field] = (avgNums[field] || 0) + (parseFloat(content) || 0)/data.length;
}
});
})
var tds = [];
that.eachCols(function(i3, item3){
var field = item3.field || i3; //字段名
//td内容
var td = [''
,'' + function(){
var text = item3.avgRowText || '';
return item3.avgRow ? ((parseFloat(avgNums[field]).toFixed(toFixed)) || text) : text;
}()
,'
'].join('');
tds.push(td);
});
that.layAvg.find('tbody').html('' + tds.join('') + ' ');
}
//数据合计行
Class.prototype.renderTotal = function(data){
var that = this
,options = that.config
,totalNums = {};
var toFixed = options.totalRowTofixed>2 ? 2 : options.totalRowTofixed || 0;
if(!options.totalRow) return;
layui.each(data, function(i1, item1){
if(item1.length === 0) return;
that.eachCols(function(i3, item3){
var field = item3.field || i3
,content = item1[field];
if(item3.totalRow){
totalNums[field] = (totalNums[field] || 0) + (parseFloat(content) || 0);
}
});
});
var tds = [];
that.eachCols(function(i3, item3){
var field = item3.field || i3;
//td内容
var td = [''
,'' + function(){
var text = item3.totalRowText || '';
return item3.totalRow ? (parseFloat(totalNums[field]).toFixed(toFixed) || text) : text;
}()
,'
'].join('');
tds.push(td);
});
that.layTotal.find('tbody').html('' + tds.join('') + ' ');
};
//找到对应的列元素
Class.prototype.getColElem = function(parent, key){
var that = this
,options = that.config;
return parent.eq(0).find('.laytable-cell-'+ (options.index + '-' + key) + ':eq(0)');
};
//渲染表单
Class.prototype.renderForm = function(type){
form.render(type, 'LAY-table-'+ this.index);
};
//标记当前行选中状态
Class.prototype.setThisRowChecked = function(index){
var that = this
,options = that.config
,ELEM_CLICK = 'layui-table-click'
,tr = that.layBody.find('tr[data-index="'+ index +'"]');
tr.addClass(ELEM_CLICK).siblings('tr').removeClass(ELEM_CLICK);
};
//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')
,key = th.data('key');
//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-'+ key).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
};
//默认为前端自动排序。如果否，则需自主排序（通常为服务端处理好排序）
if(options.autoSort){
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 || data;
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(hide){
var that = this
,options = that.config;
if(options.loading){
if(hide){
that.layInit && that.layInit.remove();
delete that.layInit;
that.layBox.find(ELEM_INIT).remove();
} else {
that.layInit = $([''
,'
'].join(''));
that.layBox.append(that.layInit);
}
}
};
//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(key, 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-'+ key)){
return callback(item), true;
}
});
};
//让表格铺满
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);
}
if(!height) return;
//减去列头区域的高度
bodyHeight = parseFloat(height) - (that.layHeader.outerHeight() || 38); //此处的数字常量是为了防止容器处在隐藏区域无法获得高度的问题，暂时只对默认尺寸的表格做支持。
//减去工具栏的高度
if(options.toolbar){
bodyHeight = bodyHeight - (that.layTool.outerHeight() || 50);
}
//减去统计朗的高度
if(options.totalRow){
bodyHeight = bodyHeight - (that.layTotal.outerHeight() || 40);
}
//减去平均行的高度
if(options.avgRow){
bodyHeight = bodyHeight - (that.layAvg.outerHeight() || 40);
}
//减去分页栏的高度
if(options.page){
bodyHeight = bodyHeight - (that.layPage.outerHeight() || 41);
}
that.layMain.css('height', bodyHeight - 2);
};
//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
//添加补丁
,addPatch = function(elem){
if(scollWidth && scollHeight){
elem = elem.eq(0);
if(!elem.find('.layui-table-patch')[0]){
var patchElem = $('
导出到 Csv 文件 '
,'导出到 Excel 文件 '
].join('')
}()
,done: function(panel, list){
list.on('click', function(){
var type = $(this).data('type')
table.exportFile(options.id, null, type);
});
}
});
}
break;
case 'LAYTABLE_PRINT': //打印
var printWin = window.open('打印窗口', '_blank')
,style = [''].join('')
,html = $(that.layHeader.html()); //输出表头
html.append(that.layMain.find('table').html()); //输出表体
html.append(that.layTotal.find('table').html()) //输出合计行
html.append(that.layAvg.find('table').html()) //输出合计行
html.find('th.layui-table-patch').remove(); //移除补丁
html.find('.layui-table-col-special').remove(); //移除特殊列
printWin.document.write(style + html.prop('outerHTML'));
printWin.document.close();
printWin.print();
printWin.close();
break;
}
layui.event.call(this, MOD_NAME, 'toolbar('+ filter +')', $.extend({
event: events
,config: options
},{}));
});
//拖拽调整宽度
th.on('mousemove', function(e){
var othis = $(this)
,oLeft = othis.offset().left
,pLeft = e.clientX - oLeft;
if(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 key = othis.data('key');
e.preventDefault();
dict.resizeStart = true; //开始拖拽
dict.offset = [e.clientX, e.clientY]; //记录初始坐标
that.getCssRule(key, 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(e){
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);
}
});
//数据行中的事件监听返回的公共对象成员
var commonMember = function(sets){
var othis = $(this)
,index = othis.parents('tr').eq(0).data('index')
,tr = that.layBody.find('tr[data-index="'+ index +'"]')
,data = table.cache[that.key] || [];
data = data[index] || {};
return $.extend({
tr: tr //行元素
,data: table.clearCacheKey(data) //当前行数据
,del: function(){ //删除行数据
table.cache[that.key][index] = [];
tr.remove();
that.scrollPatch();
}
,update: function(fields){ //修改行数据
fields = fields || {};
layui.each(fields, function(key, value){
if(key in data){
var templet, td = tr.children('td[data-field="'+ key +'"]');
data[key] = value;
that.eachCols(function(i, item2){
if(item2.field == key && item2.templet){
templet = item2.templet;
}
});
td.children(ELEM_CELL).html(function(){
return templet ? function(){
return typeof templet === 'function'
? templet(data)
: laytpl($(templet).html() || value).render(data)
}() : value;
}());
td.data('content', value);
}
});
}
}, sets);
};
//复选框选择
that.elem.on('click', 'input[name="layTableCheckbox"]+', function(){ //替代元素的 click 事件
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(checkbox[0], MOD_NAME, 'checkbox('+ filter +')', commonMember.call(checkbox[0], {
checked: checked
,type: isAll ? 'all' : 'one'
}));
});
//单选框选择
that.elem.on('click', 'input[lay-type="layTableRadio"]+', function(){
var radio = $(this).prev()
,checked = radio[0].checked
,thisData = table.cache[that.key]
,index = radio.parents('tr').eq(0).data('index');
//重置数据单选属性
layui.each(thisData, function(i, item){
if(index === i){
item.LAY_CHECKED = true;
} else {
delete item.LAY_CHECKED;
}
});
that.setThisRowChecked(index);
layui.event.call(this, MOD_NAME, 'radio('+ filter +')', commonMember.call(this, {
checked: checked
}));
});
//行事件
that.layBody.on('mouseenter', 'tr', function(){ //鼠标移入行
var othis = $(this)
,index = othis.index();
if(othis.data('off')) return; //不触发事件
that.layBody.find('tr:eq('+ index +')').addClass(ELEM_HOVER)
}).on('mouseleave', 'tr', function(){ //鼠标移出行
var othis = $(this)
,index = othis.index();
if(othis.data('off')) return; //不触发事件
that.layBody.find('tr:eq('+ index +')').removeClass(ELEM_HOVER)
}).on('click', 'tr', function(){ //单击行
setRowEvent.call(this, 'row');
}).on('dblclick', 'tr', function(){ //双击行
setRowEvent.call(this, 'rowDouble');
});
//创建行单击、双击事件监听
var setRowEvent = function(eventType){
var othis = $(this);
if(othis.data('off')) return; //不触发事件
layui.event.call(this,
MOD_NAME, eventType + '('+ filter +')'
,commonMember.call(othis.children('td')[0])
);
};
//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 +')', commonMember.call(this, {
value: value
,field: field
}));
}).on('blur', '.'+ELEM_EDIT, function(){
var templet
,othis = $(this)
,thisElem = this
,field = othis.parent().data('field')
,index = othis.parents('tr').eq(0).data('index')
,data = table.cache[that.key][index];
that.eachCols(function(i, item){
if(item.field == field && item.templet){
templet = item.templet;
}
});
othis.siblings(ELEM_CELL).html(function(value){
return templet ? function(){
return typeof templet === 'function'
? templet(data)
: laytpl($(templet).html() || thisElem.value).render(data)
}() : value;
}(thisElem.value));
othis.parent().data('content', thisElem.value);
othis.remove();
});
//单元格单击事件
that.layBody.on('click', 'td', function(e){
var othis = $(this)
,field = othis.data('field')
,editType = othis.data('edit')
,elemCell = othis.children(ELEM_CELL);
if(othis.data('off')) return; //不触发事件
//显示编辑表单
if(editType){
var input = $('
');
}
};
//单元格展开事件
that.layBody.on('click', '.'+ ELEM_GRID_DOWN, function(e){
var othis = $(this)
,td = othis.parent()
,elemCell = td.children(ELEM_CELL);
that.tipsIndex = layer.tips([
''
,elemCell.html()
,'
'
,'
