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luxiaotao1123

2022-11-17 2cd73cc5b6975d30619cd0674352d4a960a6dd45

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 src/main/webapp/static/layui/lay/modules/cron.js

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/**
 @ Name：layui.cron Cron表达式解析器
 @ Author：贝哥哥
 @ License：MIT
 */

layui.define(['lay', 'element', 'form'], function(exports){ //假如该组件依赖 layui.form
  var $ = layui.$
      ,layer = layui.layer
      ,lay = layui.lay
      ,element = layui.element
      ,form = layui.form


      //字符常量
      ,MOD_NAME = 'cron', ELEM = '.layui-cron', THIS = 'layui-this', SHOW = 'layui-show', HIDE = 'layui-hide'

      ,ELEM_STATIC = 'layui-cron-static', ELEM_FOOTER = 'layui-cron-footer', ELEM_CONFIRM = '.cron-btns-confirm', ELEM_HINT = 'layui-cron-hint'

      ,ELEM_RUN_HINT = 'layui-cron-run-hint'

      //外部接口
      ,cron = {
        v:'2.0.0' // cron 组件当前版本
        ,index: layui.cron ? (layui.cron.index + 10000) : 0 // corn 实例标识

        //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);
        }

        //主体CSS等待事件
        ,ready: function (fn) {
          var cssPath = layui.cache.base + "/cron.css?v=" + cron.v;
          layui.link(cssPath, fn, "cron"); //此处的“cron”要对应 cron.css 中的样式： html #layuicss-cron{}
          return this;
        }
      }

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

        return {
          //提示框
          hint: function(content){
            that.hint.call(that, content);
          }
          ,config: options
        }
      }

      //构造器，创建实例
      ,Class = function(options){
        var that = this;
        that.index = ++cron.index;
        that.config = $.extend({}, that.config, cron.config, options);
        cron.ready(function () {
          that.init();
        });
      };

  //默认配置
  Class.prototype.config = {
    value: null // 当前表达式值，每秒执行一次
    ,isInitValue: true //用于控制是否自动向元素填充初始值（需配合 value 参数使用）
    ,lang: "cn" //语言，只支持cn/en，即中文和英文
    ,tabs:[{key:'seconds',range:'0-59'},{key:'minutes',range:'0-59'},{key:'hours',range:'0-23'},{key:'days',range:'1-31'},{key:'months',range:'1-12'},{key:'weeks',range:'1-7'},{key:'years'}]
    ,defaultCron: {seconds:"*",minutes:"*",hours:"*",days:"*", months:"*", weeks:"?", years:""}
    ,trigger: "click" //呼出控件的事件
    ,btns: ['run', 'confirm'] //右下角显示的按钮，会按照数组顺序排列
    ,position: null //控件定位方式定位, 默认absolute，支持：fixed/absolute/static
    ,zIndex: null //控件层叠顺序
    ,show: false //是否直接显示，如果设置 true，则默认直接显示控件
    ,showBottom: true //是否显示底部栏
    ,done: null //控件选择完毕后的回调，点击运行/确定也均会触发
    ,run: null // 最近运行时间接口
  };

  //多语言
  Class.prototype.lang = function(){
    var that = this
        ,options = that.config
        ,text = {
      cn: {
        tabs: [{title: "秒"}
          , {title: "分"}
          , {title: "时"}
          , {title: "日"}
          , {title: "月"}
          , {title: "周", rateBegin: "第", rateMid: "周的星期", rateEnd:""}
          , {title: "年"}]
        , every: "每"
        , unspecified: "不指定"
        , period: "周期"
        , periodFrom: "从"
        , rate: "按照"
        , rateBegin: "从"
        , rateMid: "开始，每"
        , rateEnd: "执行一次"
        , weekday: "工作日"
        , weekdayPrefix: "每月"
        , weekdaySuffix: "号最近的那个工作日"
        , lastday: "本月最后一日"
        , lastweek: "本月最后一个星期"
        , custom: "指定"
        ,tools: {
          confirm: '确定'
          ,run: '运行'
        }
        ,formatError: ['Cron格式不合法', '<br>已为你重置']
      }
      ,en: {
        tabs: [{title:"Seconds"}
          , {title:"Minutes"}
          , {title:"Hours"}
          , {title:"Days"}
          , {title:"Months"}
          , {title:"Weeks"}
          , {title:"Years"}]
        , every:"Every "
        , unspecified:"Unspecified"
        , period:"Period"
        , periodFrom: "From"
        , rate: "According to"
        , rateBegin: "begin at"
        , rateMid: ", every"
        , rateEnd: " execute once"
        , weekday: "Weekday"
        , weekdayPrefix: "Every month at "
        , weekdaySuffix: "号最近的那个工作日"
        , lastday: "Last day of the month"
        , lastweek: "本月最后一个星期"
        , custom: "Custom"
        ,tools: {
          confirm: 'Confirm'
          ,run: 'Run'
        }
        ,formatError: ['The cron format error', '<br>It has been reset']
      }
    };
    return text[options.lang] || text['cn'];
  };

  //初始准备
  Class.prototype.init = function(){
    var that = this
        ,options = that.config
        ,isStatic = options.position === 'static';

    options.elem = lay(options.elem);

    options.eventElem = lay(options.eventElem);

    if(!options.elem[0]) return;

    //如果不是input|textarea元素，则默认采用click事件
    if(!that.isInput(options.elem[0])){
      if(options.trigger === 'focus'){
        options.trigger = 'click';
      }
    }

    // 设置渲染所绑定元素的唯一KEY
    if(!options.elem.attr('lay-key')){
      options.elem.attr('lay-key', that.index);
      options.eventElem.attr('lay-key', that.index);
    }

    // 当前实例主面板ID
    that.elemID = 'layui-icon'+ options.elem.attr('lay-key');

    //默认赋值
    if(options.value && options.isInitValue){
      that.setValue(options.value);
    }
    if(!options.value){
      options.value = options.elem[0].value||'';
    }
    var cronArr = options.value.split(' ');
    if(cronArr.length >= 6){
      options.cron = {
        seconds:cronArr[0],
        minutes:cronArr[1],
        hours:cronArr[2],
        days:cronArr[3],
        months:cronArr[4],
        weeks:cronArr[5],
        years:"",
      };
    }else{
      options.cron = lay.extend({},options.defaultCron);
    }


    if(options.show || isStatic) that.render();
    isStatic || that.events();


  };


  // 控件主体渲染
  Class.prototype.render = function(){
    var that = this
        ,options = that.config
        ,lang = that.lang()
        ,isStatic = options.position === 'static'
        ,tabFilter = 'cron-tab' + options.elem.attr('lay-key')
        //主面板
        ,elem = that.elem = lay.elem('div', {
          id: that.elemID
          ,'class': [
            'layui-cron'
            ,isStatic ? (' '+ ELEM_STATIC) : ''
          ].join('')
        })

        // tab 内容区域
        ,elemTab = that.elemTab = lay.elem('div', {
          'class': 'layui-tab layui-tab-card',
          'lay-filter':tabFilter
        })
        ,tabHead = lay.elem('ul',{
          'class': 'layui-tab-title'
        })
        ,tabContent = lay.elem('div',{
          'class': 'layui-tab-content'
        })

        //底部区域
        ,divFooter = that.footer = lay.elem('div', {
          'class': ELEM_FOOTER
        });

    if(options.zIndex) elem.style.zIndex = options.zIndex;

    // 生成tab 内容区域
    elemTab.appendChild(tabHead);
    elemTab.appendChild(tabContent);
    lay.each(lang.tabs, function(i,item){
      // 表头
      var li = lay.elem('li',{
        'class':i===0?THIS:"",
        'lay-id':i
      });
      li.innerHTML = item.title;
      tabHead.appendChild(li);

      // 表体
      tabContent.appendChild(that.getTabContentChildElem(i));
    });

    // 主区域
    elemMain = that.elemMain = lay.elem('div', {
      'class': 'layui-cron-main'
    });
    elemMain.appendChild(elemTab);

    //生成底部栏
    lay(divFooter).html(function(){
      var html = [], btns = [];
      lay.each(options.btns, function(i, item){
        var title = lang.tools[item] || 'btn';
        btns.push('<span lay-type="'+ item +'" class="cron-btns-'+ item +'">'+ title +'</span>');
      });
      html.push('<div class="cron-footer-btns">'+ btns.join('') +'</div>');
      return html.join('');
    }());

    //插入到主区域
    elem.appendChild(elemMain);

    options.showBottom && elem.appendChild(divFooter);


    //移除上一个控件
    that.remove(Class.thisElemCron);

    //如果是静态定位，则插入到指定的容器中，否则，插入到body
    isStatic ? options.elem.append(elem) : (
        document.body.appendChild(elem)
            ,that.position()
    );


    that.checkCron();

    that.elemEvent(); // 主面板事件

    Class.thisElemCron = that.elemID;

    form.render();

  }

  // 渲染 tab 子控件
  Class.prototype.getTabContentChildElem = function(index){
    var that = this,
        options = that.config,
        tabItem = options.tabs[index],
        tabItemKey = tabItem.key,
        lang = that.lang(),
        tabItemLang = lang.tabs[index],
        cron = options.cron,
        formFilter = 'cronForm'+tabItemKey+options.elem.attr('lay-key')
        ,data = function(){
          if(cron[tabItemKey].indexOf('-') != -1){
            // 周期数据
            var arr = cron[tabItemKey].split('-');
            return {
              type:'range',
              start:arr[0],
              end:arr[1]
            };
          }
          if(cron[tabItemKey].indexOf('/') != -1){
            // 频率数据
            var arr = cron[tabItemKey].split('/');
            return {
              type:'rate',
              begin:arr[0],
              rate:arr[1]
            };
          }
          if(cron[tabItemKey].indexOf(',') != -1 || /^\+?[0-9][0-9]*$/.test(cron[tabItemKey])){
            // 按照指定执行
            var arr = cron[tabItemKey].split(',').map(Number);
            return {
              type:'custom',
              values:arr
            };
          }
          if(cron[tabItemKey].indexOf('W') != -1){
            // 最近的工作日
            var value = cron[tabItemKey].replace('W','');
            return {
              type:'weekday',
              value: value
            };
          }
          if(index===3 && cron[tabItemKey] === 'L'){
            // 本月最后一日
            return {
              type:'lastday',
              value: 'L'
            };
          }
          if(index===5 && cron[tabItemKey].indexOf('L') != -1){
            // 本月最后一个周 value
            var value = cron[tabItemKey].replace('L','');
            return {
              type:'lastweek',
              value: value
            };
          }
          if(cron[tabItemKey] === '*'){
            // 每次
            return {
              type:'every',
              value:'*'
            };
          }
          if(cron[tabItemKey] === '?'||cron[tabItemKey]===undefined||cron[tabItemKey]===''){
            // 不指定
            return {
              type:'unspecified',
              value:cron[tabItemKey]
            };
          }
        }()
        , rangeData = function(){
          if(tabItem.range){
            var arr = tabItem.range.split('-');
            return {
              min:parseInt(arr[0]),
              max:parseInt(arr[1])
            };
          }
        }();
    var elem = lay.elem('div', {
      'class': 'layui-tab-item layui-form '+(index===0?SHOW:"")
      ,'lay-filter': formFilter
    });

    // 每次
    elem.appendChild(function(){
      var everyRadio = lay.elem('input',{
        'name': tabItemKey+'[type]'
        ,'type': 'radio'
        ,'value': 'every'
        ,'title': lang.every+tabItemLang.title
      });
      if(data.type === 'every'){
        lay(everyRadio).attr('checked', true);
      }
      var everyDiv = lay.elem('div',{
        'class':'cron-row'
      });
      everyDiv.appendChild(everyRadio);
      return everyDiv;
    }());

    // 不指定，从日开始
    if(index >= 3){
      elem.appendChild(function(){
        var unspecifiedRadio = lay.elem('input',{
          'name': tabItemKey+'[type]'
          ,'type': 'radio'
          ,'value': 'unspecified'
          ,'title': lang.unspecified
        });
        if(data.type==='unspecified'){
          lay(unspecifiedRadio).attr('checked', true);
        }
        var unspecifiedDiv = lay.elem('div',{
          'class':'cron-row'
        });
        unspecifiedDiv.appendChild(unspecifiedRadio);
        return unspecifiedDiv;
      }());
    }

    // 周期
    var rangeChild = [function(){
      var rangeRadio = lay.elem('input',{
        'name': tabItemKey+'[type]'
        ,'type': 'radio'
        ,'value': 'range'
        ,'title': lang.period
      });
      if(data.type === 'range'){
        lay(rangeRadio).attr('checked', true);
      }
      return rangeRadio;
    }(),function(){
      var elem = lay.elem('div',{
        'class':'cron-input-mid'
      });
      elem.innerHTML = lang.periodFrom;
      return elem;
    }(),function(){
      var elem = lay.elem('input',{
        'class':'cron-input',
        'type': 'number',
        'name': 'rangeStart',
        'value': data.start||''
      });
      return elem;
    }(),function(){
      var elem = lay.elem('div',{
        'class':'cron-input-mid'
      });
      elem.innerHTML = '-';
      return elem;
    }(),function(){
      var elem = lay.elem('input',{
        'class':'cron-input',
        'type': 'number',
        'name': 'rangeEnd',
        'value': data.end||''
      });
      return elem;
    }(),function(){
      var elem = lay.elem('div',{
        'class':'cron-input-mid'
      });
      elem.innerHTML = tabItemLang.title;
      return elem;
    }()]

        ,rangeDiv = lay.elem('div',{
      'class':'cron-row'
    });
    lay.each(rangeChild,function(i,item){
      rangeDiv.appendChild(item);
    });
    if(tabItem.range){
      var rangeTip = lay.elem('div',{
        'class':'cron-tips'
      });
      rangeTip.innerHTML = ['(',tabItem.range,')'].join('');
      rangeDiv.appendChild(rangeTip);
    }
    elem.appendChild(rangeDiv);

    // 频率,年没有
    if(index<6){
      var rateChild = [function(){
        var rateRadio = lay.elem('input',{
          'name': tabItemKey+'[type]'
          ,'type': 'radio'
          ,'value': 'rate'
          ,'title': lang.rate
        });
        if(data.type === 'rate'){
          lay(rateRadio).attr('checked', true);
        }
        return rateRadio;
      }(),function(){
        var elem = lay.elem('div',{
          'class':'cron-input-mid'
        });
        elem.innerHTML = tabItemLang.rateBegin || lang.rateBegin;
        return elem;
      }(),function(){
        var elem = lay.elem('input',{
          'class':'cron-input',
          'type': 'number',
          'name': 'begin',
          'value': data.begin||''
        });
        return elem;
      }(),function(){
        var elem = lay.elem('div',{
          'class':'cron-input-mid'
        });
        elem.innerHTML = tabItemLang.rateMid || (tabItemLang.title+lang.rateMid);
        return elem;
      }(),function(){
        var elem = lay.elem('input',{
          'class':'cron-input',
          'type': 'number',
          'name': 'rate',
          'value': data.rate||''
        });
        return elem;
      }(),function(){
        var elem = lay.elem('div',{
          'class':'cron-input-mid'
        });
        elem.innerHTML = undefined!=tabItemLang.rateEnd ? tabItemLang.rateEnd:(tabItemLang.title+lang.rateEnd);
        if(undefined!=tabItemLang.rateEnd&&tabItemLang.rateEnd===''){
          lay(elem).addClass(HIDE);
        }
        return elem;
      }()]

          ,rateDiv = lay.elem('div',{
        'class':'cron-row'
      });
      lay.each(rateChild,function(i,item){
        rateDiv.appendChild(item);
      });
      if(tabItem.range){
        var rateTip = lay.elem('div',{
          'class':'cron-tips'
        });
        if(index===5){
          // 周
          rateTip.innerHTML = '(1-4/1-7)';
        }else{
          rateTip.innerHTML = ['(',rangeData.min,'/',(rangeData.max+(index<=2?1:0)),')'].join('');
        }
        rateDiv.appendChild(rateTip);
      }
      elem.appendChild(rateDiv);
    }

    // 特殊：日（最近的工作日、最后一日），周（最后一周）
    if(index===3){
      // 日
      // 最近的工作日
      var weekChild = [function(){
        var weekRadio = lay.elem('input',{
          'name': tabItemKey+'[type]'
          ,'type': 'radio'
          ,'value': 'weekday'
          ,'title': lang.weekday
        });
        if(data.type === 'weekday'){
          lay(weekRadio).attr('checked', true);
        }
        return weekRadio;
      }(),function(){
        var elem = lay.elem('div',{
          'class':'cron-input-mid'
        });
        elem.innerHTML = lang.weekdayPrefix;
        return elem;
      }(),function(){
        var elem = lay.elem('input',{
          'class':'cron-input',
          'type': 'number',
          'name': 'weekday',
          'value': data.value||''
        });
        return elem;
      }(),function(){
        var elem = lay.elem('div',{
          'class':'cron-input-mid'
        });
        elem.innerHTML = lang.weekdaySuffix;
        return elem;
      }(),function(){
        var elem = lay.elem('div',{
          'class':'cron-tips'
        });
        elem.innerHTML = ['(',tabItem.range,')'].join('');
        return elem;
      }()]

          ,weekDiv = lay.elem('div',{
        'class':'cron-row'
      });
      lay.each(weekChild,function(i,item){
        weekDiv.appendChild(item);
      });
      elem.appendChild(weekDiv);

      // 本月最后一日
      elem.appendChild(function(){
        var lastRadio = lay.elem('input',{
          'name': tabItemKey+'[type]'
          ,'type': 'radio'
          ,'value': 'lastday'
          ,'title': lang.lastday
        });
        if(data.type === 'lastday'){
          lay(lastRadio).attr('checked', true);
        }
        var lastDiv = lay.elem('div',{
          'class':'cron-row'
        });
        lastDiv.appendChild(lastRadio);
        return lastDiv;
      }());

    }

    if(index===5){
      // 本月最后一个周几
      var lastWeekChild = [function(){
        var lastWeekRadio = lay.elem('input',{
          'name': tabItemKey+'[type]'
          ,'type': 'radio'
          ,'value': 'lastweek'
          ,'title': lang.lastweek
        });
        if(data.type === 'lastweek'){
          lay(lastWeekRadio).attr('checked', true);
        }
        return lastWeekRadio;
      }(),function(){
        var elem = lay.elem('input',{
          'class':'cron-input',
          'type': 'number',
          'name': 'lastweek',
          'value': data.value||''
        });
        return elem;
      }(),function(){
        var elem = lay.elem('div',{
          'class':'cron-tips'
        });
        elem.innerHTML = ['(',tabItem.range,')'].join('');
        return elem;
      }()]

          ,lastWeekDiv = lay.elem('div',{
        'class':'cron-row'
      });
      lay.each(lastWeekChild,function(i,item){
        lastWeekDiv.appendChild(item);
      });
      elem.appendChild(lastWeekDiv);

    }

    // 指定
    if(index <= 5){
      elem.appendChild(function(){
        var customRadio = lay.elem('input',{
          'name': tabItemKey+'[type]'
          ,'type': 'radio'
          ,'value': 'custom'
          ,'title': lang.custom
        });
        if(data.type === 'custom'){
          lay(customRadio).attr('checked', true);
        }
        var customDiv = lay.elem('div',{
          'class':'cron-row'
        });
        customDiv.appendChild(customRadio);
        return customDiv;
      }());

      // 指定数值，时分秒显示两位数，自动补零
      elem.appendChild(function(){
        var customGrid = lay.elem('div',{
          'class': 'cron-grid'
        });
        var i = rangeData.min;
        while(i<=rangeData.max){
          // 时分秒显示两位数，自动补零
          var gridItemValue = index<=2 ? lay.digit(i,2) : i;
          var gridItem = lay.elem('input',{
            'type': 'checkbox',
            'title': gridItemValue,
            'lay-skin': 'primary',
            'name':tabItemKey+'[custom]',
            'value':i
          });
          if(data.values && data.values.includes(i)){
            lay(gridItem).attr('checked',true);
          }
          customGrid.appendChild(gridItem);
          i++;
        }
        return customGrid;
      }());
    }


    return elem;
  }

  //是否输入框
  Class.prototype.isInput = function(elem){
    return /input|textarea/.test(elem.tagName.toLocaleLowerCase());
  };

  // 绑定的元素事件处理
  Class.prototype.events = function(){
    var that = this
        ,options = that.config

        //绑定呼出控件事件
        ,showEvent = function(elem, bind){
          elem.on(options.trigger, function(){
            bind && (that.bindElem = this);
            that.render();
          });
        };

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

    showEvent(options.elem, 'bind');
    showEvent(options.eventElem);

    //绑定关闭控件事件
    lay(document).on('click', function(e){
      if(e.target === options.elem[0]
          || e.target === options.eventElem[0]
          || e.target === lay(options.closeStop)[0]){
        return;
      }
      that.remove();
    }).on('keydown', function(e){
      if(e.keyCode === 13){
        if(lay('#'+ that.elemID)[0] && that.elemID === Class.thisElemDate){
          e.preventDefault();
          lay(that.footer).find(ELEM_CONFIRM)[0].click();
        }
      }
    });

    //自适应定位
    lay(window).on('resize', function(){
      if(!that.elem || !lay(ELEM)[0]){
        return false;
      }
      that.position();
    });

    options.elem[0].eventHandler = true;
  };

  // 主面板事件
  Class.prototype.elemEvent = function(){
    var that = this
        ,options = that.config
        ,tabFilter = 'cron-tab' + options.elem.attr('lay-key');

    // 阻止主面板点击冒泡，避免因触发文档事件而关闭主面
    lay(that.elem).on('click', function(e){
      lay.stope(e);
    });

    // tab选项卡切换
    var lis = lay(that.elemTab).find('li');
    lis.on('click',function(){
      var layid = lay(this).attr('lay-id');
      if(undefined === layid){
        return;
      }
      element.tabChange(tabFilter, layid);
    });

    // cron选项点击
    form.on('radio', function(data){
      var $parent = data.othis.parent();
      var formFilter = $parent.parent().attr('lay-filter');
      var formData = form.val(formFilter);
      var radioType = data.value;
      if('range'===radioType){
        // 范围
        form.val(formFilter,{
          rangeStart: formData.rangeStart||0,
          rangeEnd: formData.rangeEnd||2
        });
      }
      if('rate'===radioType){
        // 频率
        form.val(formFilter,{
          begin: formData.begin||0,
          rate: formData.rate||2
        });
      }
      if('custom'===radioType){
        // custom
        var $grid = $parent.next();
        if($grid.find(':checkbox:checked').length<=0){
          $grid.children(':checkbox:first').next().click()
        }
      }
      if('weekday'===radioType){
        // weekday
        form.val(formFilter,{
          weekday: formData.weekday||1
        });
      }
      if('lastweek'===radioType){
        // lastweek
        form.val(formFilter,{
          lastweek: formData.lastweek||1
        });
      }

    });

    //点击底部按钮
    lay(that.footer).find('span').on('click', function(){
      var type = lay(this).attr('lay-type');
      that.tool(this, type);
    });
  };

  //底部按钮点击事件
  Class.prototype.tool = function(btn, type){
    var that = this
        ,options = that.config
        ,lang = that.lang()
        ,isStatic = options.position === 'static'
        ,active = {
      //运行
      run: function(){
        var value = that.parse();
        var loading = layer.load();
        $.get(options.run,{cron:value},function(res){
          layer.close(loading);
          if(res.code !== 0){
            return that.hint(res.msg);
          }
          that.runHint(res.data);
        },'json').fail(function(){
          layer.close(loading);
          that.hint('服务器异常！');
        });
      }

      //确定
      ,confirm: function(){
        var value = that.parse();
        that.done([value]);
        that.setValue(value).remove()
      }
    };
    active[type] && active[type]();
  };

  //执行 done/change 回调
  Class.prototype.done = function(param, type){
    var that = this
        ,options = that.config;

    param = param || [that.parse()];
    typeof options[type || 'done'] === 'function' && options[type || 'done'].apply(options, param);

    return that;
  };

  // 解析cron表达式
  Class.prototype.parse = function(){
    var that = this
        ,options = that.config
        ,valueArr = [];

    lay.each(options.tabs, function(index, item){
      var key = item.key;
      var formFilter = 'cronForm' + key + options.elem.attr('lay-key');
      var formData = form.val(formFilter);
      var radioType = (key+'[type]');
      var current = "";
      if(formData[radioType] === 'every'){
        // 每次
        current = "*";
      }
      if(formData[radioType] === 'range'){
        // 范围
        current = formData.rangeStart + "-" + formData.rangeEnd;
      }
      if(formData[radioType] === 'rate'){
        // 频率
        current = formData.begin + "/" + formData.rate;
      }
      if(formData[radioType] === 'custom'){
        // 指定
        var checkboxName = (item.key+'[custom]');
        var customArr = [];
        $('input[name="' + checkboxName + '"]:checked').each(function() {
          customArr.push($(this).val());
        });
        current = customArr.join(',');
      }
      if(formData[radioType] === 'weekday'){
        // 每月 formData.weekday 号最近的那个工作日
        current = formData.weekday + "W";
      }
      if(formData[radioType] === 'lastday'){
        // 本月最后一日
        current = "L";
      }
      if(formData[radioType] === 'lastweek'){
        // 本月最后星期
        current = formData.lastweek + "L";
      }

      if(formData[radioType] === 'unspecified' && index != 6){
        // 不指定
        current = "?";
      }
      if(current !== ""){
        valueArr.push(current);
        options.cron[key] = current;
      }
    });
    return valueArr.join(' ');
  };

  //控件移除
  Class.prototype.remove = function(prev){
    var that = this
        ,options = that.config
        ,elem = lay('#'+ (prev || that.elemID));
    if(!elem[0]) return that;

    if(!elem.hasClass(ELEM_STATIC)){
      that.checkCron(function(){
        elem.remove();
      });
    }
    return that;
  };

  //定位算法
  Class.prototype.position = function(){
    var that = this
        ,options = that.config;
    lay.position(that.bindElem || options.elem[0], that.elem, {
      position: options.position
    });
    return that;
  };

  //提示
  Class.prototype.hint = function(content){
    var that = this
        ,options = that.config
        ,div = lay.elem('div', {
      'class': ELEM_HINT
    });

    if(!that.elem) return;

    div.innerHTML = content || '';
    lay(that.elem).find('.'+ ELEM_HINT).remove();
    that.elem.appendChild(div);

    clearTimeout(that.hinTimer);
    that.hinTimer = setTimeout(function(){
      lay(that.elem).find('.'+ ELEM_HINT).remove();
    }, 3000);
  };

  //运行提示
  Class.prototype.runHint = function(runList){
    var that = this
        ,options = that.config
        ,div = lay.elem('div', {
      'class': ELEM_RUN_HINT
    });
    // debugger;
    if(!that.elem||!runList||!runList.length) return;


    lay(div).html(function(){
      var html = [];
      lay.each(runList, function(i, item){
        html.push('<div class="cron-run-list">'+ item +'</div>');
      });
      return html.join('');
    }());

    lay(that.elem).find('.'+ ELEM_RUN_HINT).remove();
    that.elem.appendChild(div);
  };

  //赋值
  Class.prototype.setValue = function(value=''){
    var that = this
        ,options = that.config
        ,elem = that.bindElem || options.elem[0]
        ,valType = that.isInput(elem) ? 'val' : 'html'

    options.position === 'static' || lay(elem)[valType](value || '');
    elem.textContent = '生成';
    return this;
  };

  //cron校验
  Class.prototype.checkCron = function(fn){
    var that = this
        ,options = that.config
        ,lang = that.lang()
        ,elem = that.bindElem || options.elem[0]
        ,value = that.isInput(elem) ? elem.value : (options.position === 'static' ? '' : elem.innerHTML)

        ,checkValid = function(value=""){

    };

    // cron 值，多个空格替换为一个空格，去掉首尾空格
    value = value || options.value;
    if(typeof value === 'string'){
      value = value.replace(/\s+/g, ' ').replace(/^\s|\s$/g, '');
    }

    if(fn==='init') return checkValid(value),that;

    value = that.parse();
    if(value){
      that.setValue(value);
    }
    fn && fn();
    return that;
  };

  //核心入口
  cron.render = function(options){
    var ins = new Class(options);
    return thisIns.call(ins);
  };

  exports('cron', cron);
});

 src/main/webapp/static/layui/lay/modules/formDesigner.js

New file
Diff too large

 src/main/webapp/static/layui/lay/modules/formDesigner/Sortable/Sortable.js

New file
@@ -0,0 +1,3709 @@
/**!
 * Sortable 1.10.2
 * @author    RubaXa   <trash@rubaxa.org>
 * @author    owenm    <owen23355@gmail.com>
 * @license MIT
 */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global = global || self, global.Sortable = factory());
}(this, function () { 'use strict';

  function _typeof(obj) {
    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
      _typeof = function (obj) {
        return typeof obj;
      };
    } else {
      _typeof = function (obj) {
        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
      };
    }

    return _typeof(obj);
  }

  function _defineProperty(obj, key, value) {
    if (key in obj) {
      Object.defineProperty(obj, key, {
        value: value,
        enumerable: true,
        configurable: true,
        writable: true
      });
    } else {
      obj[key] = value;
    }

    return obj;
  }

  function _extends() {
    _extends = Object.assign || function (target) {
      for (var i = 1; i < arguments.length; i++) {
        var source = arguments[i];

        for (var key in source) {
          if (Object.prototype.hasOwnProperty.call(source, key)) {
            target[key] = source[key];
          }
        }
      }

      return target;
    };

    return _extends.apply(this, arguments);
  }

  function _objectSpread(target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i] != null ? arguments[i] : {};
      var ownKeys = Object.keys(source);

      if (typeof Object.getOwnPropertySymbols === 'function') {
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
        }));
      }

      ownKeys.forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    }

    return target;
  }

  function _objectWithoutPropertiesLoose(source, excluded) {
    if (source == null) return {};
    var target = {};
    var sourceKeys = Object.keys(source);
    var key, i;

    for (i = 0; i < sourceKeys.length; i++) {
      key = sourceKeys[i];
      if (excluded.indexOf(key) >= 0) continue;
      target[key] = source[key];
    }

    return target;
  }

  function _objectWithoutProperties(source, excluded) {
    if (source == null) return {};

    var target = _objectWithoutPropertiesLoose(source, excluded);

    var key, i;

    if (Object.getOwnPropertySymbols) {
      var sourceSymbolKeys = Object.getOwnPropertySymbols(source);

      for (i = 0; i < sourceSymbolKeys.length; i++) {
        key = sourceSymbolKeys[i];
        if (excluded.indexOf(key) >= 0) continue;
        if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
        target[key] = source[key];
      }
    }

    return target;
  }

  function _toConsumableArray(arr) {
    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
  }

  function _arrayWithoutHoles(arr) {
    if (Array.isArray(arr)) {
      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];

      return arr2;
    }
  }

  function _iterableToArray(iter) {
    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
  }

  function _nonIterableSpread() {
    throw new TypeError("Invalid attempt to spread non-iterable instance");
  }

  var version = "1.10.2";

  function userAgent(pattern) {
    if (typeof window !== 'undefined' && window.navigator) {
      return !!
      /*@__PURE__*/
      navigator.userAgent.match(pattern);
    }
  }

  var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
  var Edge = userAgent(/Edge/i);
  var FireFox = userAgent(/firefox/i);
  var Safari = userAgent(/safari/i) && !userAgent(/chrome/i) && !userAgent(/android/i);
  var IOS = userAgent(/iP(ad|od|hone)/i);
  var ChromeForAndroid = userAgent(/chrome/i) && userAgent(/android/i);

  var captureMode = {
    capture: false,
    passive: false
  };

  function on(el, event, fn) {
    el.addEventListener(event, fn, !IE11OrLess && captureMode);
  }

  function off(el, event, fn) {
    el.removeEventListener(event, fn, !IE11OrLess && captureMode);
  }

  function matches(
  /**HTMLElement*/
  el,
  /**String*/
  selector) {
    if (!selector) return;
    selector[0] === '>' && (selector = selector.substring(1));

    if (el) {
      try {
        if (el.matches) {
          return el.matches(selector);
        } else if (el.msMatchesSelector) {
          return el.msMatchesSelector(selector);
        } else if (el.webkitMatchesSelector) {
          return el.webkitMatchesSelector(selector);
        }
      } catch (_) {
        return false;
      }
    }

    return false;
  }

  function getParentOrHost(el) {
    return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
  }

  function closest(
  /**HTMLElement*/
  el,
  /**String*/
  selector,
  /**HTMLElement*/
  ctx, includeCTX) {
    if (el) {
      ctx = ctx || document;

      do {
        if (selector != null && (selector[0] === '>' ? el.parentNode === ctx && matches(el, selector) : matches(el, selector)) || includeCTX && el === ctx) {
          return el;
        }

        if (el === ctx) break;
        /* jshint boss:true */
      } while (el = getParentOrHost(el));
    }

    return null;
  }

  var R_SPACE = /\s+/g;

  function toggleClass(el, name, state) {
    if (el && name) {
      if (el.classList) {
        el.classList[state ? 'add' : 'remove'](name);
      } else {
        var className = (' ' + el.className + ' ').replace(R_SPACE, ' ').replace(' ' + name + ' ', ' ');
        el.className = (className + (state ? ' ' + name : '')).replace(R_SPACE, ' ');
      }
    }
  }

  function css(el, prop, val) {
    var style = el && el.style;

    if (style) {
      if (val === void 0) {
        if (document.defaultView && document.defaultView.getComputedStyle) {
          val = document.defaultView.getComputedStyle(el, '');
        } else if (el.currentStyle) {
          val = el.currentStyle;
        }

        return prop === void 0 ? val : val[prop];
      } else {
        if (!(prop in style) && prop.indexOf('webkit') === -1) {
          prop = '-webkit-' + prop;
        }

        style[prop] = val + (typeof val === 'string' ? '' : 'px');
      }
    }
  }

  function matrix(el, selfOnly) {
    var appliedTransforms = '';

    if (typeof el === 'string') {
      appliedTransforms = el;
    } else {
      do {
        var transform = css(el, 'transform');

        if (transform && transform !== 'none') {
          appliedTransforms = transform + ' ' + appliedTransforms;
        }
        /* jshint boss:true */

      } while (!selfOnly && (el = el.parentNode));
    }

    var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
    /*jshint -W056 */

    return matrixFn && new matrixFn(appliedTransforms);
  }

  function find(ctx, tagName, iterator) {
    if (ctx) {
      var list = ctx.getElementsByTagName(tagName),
          i = 0,
          n = list.length;

      if (iterator) {
        for (; i < n; i++) {
          iterator(list[i], i);
        }
      }

      return list;
    }

    return [];
  }

  function getWindowScrollingElement() {
    var scrollingElement = document.scrollingElement;

    if (scrollingElement) {
      return scrollingElement;
    } else {
      return document.documentElement;
    }
  }
  /**
   * Returns the "bounding client rect" of given element
   * @param  {HTMLElement} el                       The element whose boundingClientRect is wanted
   * @param  {[Boolean]} relativeToContainingBlock  Whether the rect should be relative to the containing block of (including) the container
   * @param  {[Boolean]} relativeToNonStaticParent  Whether the rect should be relative to the relative parent of (including) the contaienr
   * @param  {[Boolean]} undoScale                  Whether the container's scale() should be undone
   * @param  {[HTMLElement]} container              The parent the element will be placed in
   * @return {Object}                               The boundingClientRect of el, with specified adjustments
   */


  function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoScale, container) {
    if (!el.getBoundingClientRect && el !== window) return;
    var elRect, top, left, bottom, right, height, width;

    if (el !== window && el !== getWindowScrollingElement()) {
      elRect = el.getBoundingClientRect();
      top = elRect.top;
      left = elRect.left;
      bottom = elRect.bottom;
      right = elRect.right;
      height = elRect.height;
      width = elRect.width;
    } else {
      top = 0;
      left = 0;
      bottom = window.innerHeight;
      right = window.innerWidth;
      height = window.innerHeight;
      width = window.innerWidth;
    }

    if ((relativeToContainingBlock || relativeToNonStaticParent) && el !== window) {
      // Adjust for translate()
      container = container || el.parentNode; // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
      // Not needed on <= IE11

      if (!IE11OrLess) {
        do {
          if (container && container.getBoundingClientRect && (css(container, 'transform') !== 'none' || relativeToNonStaticParent && css(container, 'position') !== 'static')) {
            var containerRect = container.getBoundingClientRect(); // Set relative to edges of padding box of container

            top -= containerRect.top + parseInt(css(container, 'border-top-width'));
            left -= containerRect.left + parseInt(css(container, 'border-left-width'));
            bottom = top + elRect.height;
            right = left + elRect.width;
            break;
          }
          /* jshint boss:true */

        } while (container = container.parentNode);
      }
    }

    if (undoScale && el !== window) {
      // Adjust for scale()
      var elMatrix = matrix(container || el),
          scaleX = elMatrix && elMatrix.a,
          scaleY = elMatrix && elMatrix.d;

      if (elMatrix) {
        top /= scaleY;
        left /= scaleX;
        width /= scaleX;
        height /= scaleY;
        bottom = top + height;
        right = left + width;
      }
    }

    return {
      top: top,
      left: left,
      bottom: bottom,
      right: right,
      width: width,
      height: height
    };
  }
  /**
   * Checks if a side of an element is scrolled past a side of its parents
   * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
   * @param  {String}       elSide       Side of the element in question ('top', 'left', 'right', 'bottom')
   * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
   * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
   */


  function isScrolledPast(el, elSide, parentSide) {
    var parent = getParentAutoScrollElement(el, true),
        elSideVal = getRect(el)[elSide];
    /* jshint boss:true */

    while (parent) {
      var parentSideVal = getRect(parent)[parentSide],
          visible = void 0;

      if (parentSide === 'top' || parentSide === 'left') {
        visible = elSideVal >= parentSideVal;
      } else {
        visible = elSideVal <= parentSideVal;
      }

      if (!visible) return parent;
      if (parent === getWindowScrollingElement()) break;
      parent = getParentAutoScrollElement(parent, false);
    }

    return false;
  }
  /**
   * Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible)
   * and non-draggable elements
   * @param  {HTMLElement} el       The parent element
   * @param  {Number} childNum      The index of the child
   * @param  {Object} options       Parent Sortable's options
   * @return {HTMLElement}          The child at index childNum, or null if not found
   */


  function getChild(el, childNum, options) {
    var currentChild = 0,
        i = 0,
        children = el.children;

    while (i < children.length) {
      if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && children[i] !== Sortable.dragged && closest(children[i], options.draggable, el, false)) {
        if (currentChild === childNum) {
          return children[i];
        }

        currentChild++;
      }

      i++;
    }

    return null;
  }
  /**
   * Gets the last child in the el, ignoring ghostEl or invisible elements (clones)
   * @param  {HTMLElement} el       Parent element
   * @param  {selector} selector    Any other elements that should be ignored
   * @return {HTMLElement}          The last child, ignoring ghostEl
   */


  function lastChild(el, selector) {
    var last = el.lastElementChild;

    while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {
      last = last.previousElementSibling;
    }

    return last || null;
  }
  /**
   * Returns the index of an element within its parent for a selected set of
   * elements
   * @param  {HTMLElement} el
   * @param  {selector} selector
   * @return {number}
   */


  function index(el, selector) {
    var index = 0;

    if (!el || !el.parentNode) {
      return -1;
    }
    /* jshint boss:true */


    while (el = el.previousElementSibling) {
      if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) {
        index++;
      }
    }

    return index;
  }
  /**
   * Returns the scroll offset of the given element, added with all the scroll offsets of parent elements.
   * The value is returned in real pixels.
   * @param  {HTMLElement} el
   * @return {Array}             Offsets in the format of [left, top]
   */


  function getRelativeScrollOffset(el) {
    var offsetLeft = 0,
        offsetTop = 0,
        winScroller = getWindowScrollingElement();

    if (el) {
      do {
        var elMatrix = matrix(el),
            scaleX = elMatrix.a,
            scaleY = elMatrix.d;
        offsetLeft += el.scrollLeft * scaleX;
        offsetTop += el.scrollTop * scaleY;
      } while (el !== winScroller && (el = el.parentNode));
    }

    return [offsetLeft, offsetTop];
  }
  /**
   * Returns the index of the object within the given array
   * @param  {Array} arr   Array that may or may not hold the object
   * @param  {Object} obj  An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find
   * @return {Number}      The index of the object in the array, or -1
   */


  function indexOfObject(arr, obj) {
    for (var i in arr) {
      if (!arr.hasOwnProperty(i)) continue;

      for (var key in obj) {
        if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
      }
    }

    return -1;
  }

  function getParentAutoScrollElement(el, includeSelf) {
    // skip to window
    if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();
    var elem = el;
    var gotSelf = false;

    do {
      // we don't need to get elem css if it isn't even overflowing in the first place (performance)
      if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
        var elemCSS = css(elem);

        if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {
          if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement();
          if (gotSelf || includeSelf) return elem;
          gotSelf = true;
        }
      }
      /* jshint boss:true */

    } while (elem = elem.parentNode);

    return getWindowScrollingElement();
  }

  function extend(dst, src) {
    if (dst && src) {
      for (var key in src) {
        if (src.hasOwnProperty(key)) {
          dst[key] = src[key];
        }
      }
    }

    return dst;
  }

  function isRectEqual(rect1, rect2) {
    return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width);
  }

  var _throttleTimeout;

  function throttle(callback, ms) {
    return function () {
      if (!_throttleTimeout) {
        var args = arguments,
            _this = this;

        if (args.length === 1) {
          callback.call(_this, args[0]);
        } else {
          callback.apply(_this, args);
        }

        _throttleTimeout = setTimeout(function () {
          _throttleTimeout = void 0;
        }, ms);
      }
    };
  }

  function cancelThrottle() {
    clearTimeout(_throttleTimeout);
    _throttleTimeout = void 0;
  }

  function scrollBy(el, x, y) {
    el.scrollLeft += x;
    el.scrollTop += y;
  }

  function clone(el) {
    var Polymer = window.Polymer;
    var $ = window.jQuery || window.Zepto;

    if (Polymer && Polymer.dom) {
      return Polymer.dom(el).cloneNode(true);
    } else if ($) {
      return $(el).clone(true)[0];
    } else {
      return el.cloneNode(true);
    }
  }

  function setRect(el, rect) {
    css(el, 'position', 'absolute');
    css(el, 'top', rect.top);
    css(el, 'left', rect.left);
    css(el, 'width', rect.width);
    css(el, 'height', rect.height);
  }

  function unsetRect(el) {
    css(el, 'position', '');
    css(el, 'top', '');
    css(el, 'left', '');
    css(el, 'width', '');
    css(el, 'height', '');
  }

  var expando = 'Sortable' + new Date().getTime();

  function AnimationStateManager() {
    var animationStates = [],
        animationCallbackId;
    return {
      captureAnimationState: function captureAnimationState() {
        animationStates = [];
        if (!this.options.animation) return;
        var children = [].slice.call(this.el.children);
        children.forEach(function (child) {
          if (css(child, 'display') === 'none' || child === Sortable.ghost) return;
          animationStates.push({
            target: child,
            rect: getRect(child)
          });

          var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation


          if (child.thisAnimationDuration) {
            var childMatrix = matrix(child, true);

            if (childMatrix) {
              fromRect.top -= childMatrix.f;
              fromRect.left -= childMatrix.e;
            }
          }

          child.fromRect = fromRect;
        });
      },
      addAnimationState: function addAnimationState(state) {
        animationStates.push(state);
      },
      removeAnimationState: function removeAnimationState(target) {
        animationStates.splice(indexOfObject(animationStates, {
          target: target
        }), 1);
      },
      animateAll: function animateAll(callback) {
        var _this = this;

        if (!this.options.animation) {
          clearTimeout(animationCallbackId);
          if (typeof callback === 'function') callback();
          return;
        }

        var animating = false,
            animationTime = 0;
        animationStates.forEach(function (state) {
          var time = 0,
              target = state.target,
              fromRect = target.fromRect,
              toRect = getRect(target),
              prevFromRect = target.prevFromRect,
              prevToRect = target.prevToRect,
              animatingRect = state.rect,
              targetMatrix = matrix(target, true);

          if (targetMatrix) {
            // Compensate for current animation
            toRect.top -= targetMatrix.f;
            toRect.left -= targetMatrix.e;
          }

          target.toRect = toRect;

          if (target.thisAnimationDuration) {
            // Could also check if animatingRect is between fromRect and toRect
            if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) && // Make sure animatingRect is on line between toRect & fromRect
            (animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) {
              // If returning to same place as started from animation and on same axis
              time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options);
            }
          } // if fromRect != toRect: animate


          if (!isRectEqual(toRect, fromRect)) {
            target.prevFromRect = fromRect;
            target.prevToRect = toRect;

            if (!time) {
              time = _this.options.animation;
            }

            _this.animate(target, animatingRect, toRect, time);
          }

          if (time) {
            animating = true;
            animationTime = Math.max(animationTime, time);
            clearTimeout(target.animationResetTimer);
            target.animationResetTimer = setTimeout(function () {
              target.animationTime = 0;
              target.prevFromRect = null;
              target.fromRect = null;
              target.prevToRect = null;
              target.thisAnimationDuration = null;
            }, time);
            target.thisAnimationDuration = time;
          }
        });
        clearTimeout(animationCallbackId);

        if (!animating) {
          if (typeof callback === 'function') callback();
        } else {
          animationCallbackId = setTimeout(function () {
            if (typeof callback === 'function') callback();
          }, animationTime);
        }

        animationStates = [];
      },
      animate: function animate(target, currentRect, toRect, duration) {
        if (duration) {
          css(target, 'transition', '');
          css(target, 'transform', '');
          var elMatrix = matrix(this.el),
              scaleX = elMatrix && elMatrix.a,
              scaleY = elMatrix && elMatrix.d,
              translateX = (currentRect.left - toRect.left) / (scaleX || 1),
              translateY = (currentRect.top - toRect.top) / (scaleY || 1);
          target.animatingX = !!translateX;
          target.animatingY = !!translateY;
          css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
          repaint(target); // repaint

          css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : ''));
          css(target, 'transform', 'translate3d(0,0,0)');
          typeof target.animated === 'number' && clearTimeout(target.animated);
          target.animated = setTimeout(function () {
            css(target, 'transition', '');
            css(target, 'transform', '');
            target.animated = false;
            target.animatingX = false;
            target.animatingY = false;
          }, duration);
        }
      }
    };
  }

  function repaint(target) {
    return target.offsetWidth;
  }

  function calculateRealTime(animatingRect, fromRect, toRect, options) {
    return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation;
  }

  var plugins = [];
  var defaults = {
    initializeByDefault: true
  };
  var PluginManager = {
    mount: function mount(plugin) {
      // Set default static properties
      for (var option in defaults) {
        if (defaults.hasOwnProperty(option) && !(option in plugin)) {
          plugin[option] = defaults[option];
        }
      }

      plugins.push(plugin);
    },
    pluginEvent: function pluginEvent(eventName, sortable, evt) {
      var _this = this;

      this.eventCanceled = false;

      evt.cancel = function () {
        _this.eventCanceled = true;
      };

      var eventNameGlobal = eventName + 'Global';
      plugins.forEach(function (plugin) {
        if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable

        if (sortable[plugin.pluginName][eventNameGlobal]) {
          sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
            sortable: sortable
          }, evt));
        } // Only fire plugin event if plugin is enabled in this sortable,
        // and plugin has event defined


        if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
          sortable[plugin.pluginName][eventName](_objectSpread({
            sortable: sortable
          }, evt));
        }
      });
    },
    initializePlugins: function initializePlugins(sortable, el, defaults, options) {
      plugins.forEach(function (plugin) {
        var pluginName = plugin.pluginName;
        if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;
        var initialized = new plugin(sortable, el, sortable.options);
        initialized.sortable = sortable;
        initialized.options = sortable.options;
        sortable[pluginName] = initialized; // Add default options from plugin

        _extends(defaults, initialized.defaults);
      });

      for (var option in sortable.options) {
        if (!sortable.options.hasOwnProperty(option)) continue;
        var modified = this.modifyOption(sortable, option, sortable.options[option]);

        if (typeof modified !== 'undefined') {
          sortable.options[option] = modified;
        }
      }
    },
    getEventProperties: function getEventProperties(name, sortable) {
      var eventProperties = {};
      plugins.forEach(function (plugin) {
        if (typeof plugin.eventProperties !== 'function') return;

        _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
      });
      return eventProperties;
    },
    modifyOption: function modifyOption(sortable, name, value) {
      var modifiedValue;
      plugins.forEach(function (plugin) {
        // Plugin must exist on the Sortable
        if (!sortable[plugin.pluginName]) return; // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin

        if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') {
          modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value);
        }
      });
      return modifiedValue;
    }
  };

  function dispatchEvent(_ref) {
    var sortable = _ref.sortable,
        rootEl = _ref.rootEl,
        name = _ref.name,
        targetEl = _ref.targetEl,
        cloneEl = _ref.cloneEl,
        toEl = _ref.toEl,
        fromEl = _ref.fromEl,
        oldIndex = _ref.oldIndex,
        newIndex = _ref.newIndex,
        oldDraggableIndex = _ref.oldDraggableIndex,
        newDraggableIndex = _ref.newDraggableIndex,
        originalEvent = _ref.originalEvent,
        putSortable = _ref.putSortable,
        extraEventProperties = _ref.extraEventProperties;
    sortable = sortable || rootEl && rootEl[expando];
    if (!sortable) return;
    var evt,
        options = sortable.options,
        onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature

    if (window.CustomEvent && !IE11OrLess && !Edge) {
      evt = new CustomEvent(name, {
        bubbles: true,
        cancelable: true
      });
    } else {
      evt = document.createEvent('Event');
      evt.initEvent(name, true, true);
    }

    evt.to = toEl || rootEl;
    evt.from = fromEl || rootEl;
    evt.item = targetEl || rootEl;
    evt.clone = cloneEl;
    evt.oldIndex = oldIndex;
    evt.newIndex = newIndex;
    evt.oldDraggableIndex = oldDraggableIndex;
    evt.newDraggableIndex = newDraggableIndex;
    evt.originalEvent = originalEvent;
    evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;

    var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));

    for (var option in allEventProperties) {
      evt[option] = allEventProperties[option];
    }

    if (rootEl) {
      rootEl.dispatchEvent(evt);
    }

    if (options[onName]) {
      options[onName].call(sortable, evt);
    }
  }

  var pluginEvent = function pluginEvent(eventName, sortable) {
    var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
        originalEvent = _ref.evt,
        data = _objectWithoutProperties(_ref, ["evt"]);

    PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread({
      dragEl: dragEl,
      parentEl: parentEl,
      ghostEl: ghostEl,
      rootEl: rootEl,
      nextEl: nextEl,
      lastDownEl: lastDownEl,
      cloneEl: cloneEl,
      cloneHidden: cloneHidden,
      dragStarted: moved,
      putSortable: putSortable,
      activeSortable: Sortable.active,
      originalEvent: originalEvent,
      oldIndex: oldIndex,
      oldDraggableIndex: oldDraggableIndex,
      newIndex: newIndex,
      newDraggableIndex: newDraggableIndex,
      hideGhostForTarget: _hideGhostForTarget,
      unhideGhostForTarget: _unhideGhostForTarget,
      cloneNowHidden: function cloneNowHidden() {
        cloneHidden = true;
      },
      cloneNowShown: function cloneNowShown() {
        cloneHidden = false;
      },
      dispatchSortableEvent: function dispatchSortableEvent(name) {
        _dispatchEvent({
          sortable: sortable,
          name: name,
          originalEvent: originalEvent
        });
      }
    }, data));
  };

  function _dispatchEvent(info) {
    dispatchEvent(_objectSpread({
      putSortable: putSortable,
      cloneEl: cloneEl,
      targetEl: dragEl,
      rootEl: rootEl,
      oldIndex: oldIndex,
      oldDraggableIndex: oldDraggableIndex,
      newIndex: newIndex,
      newDraggableIndex: newDraggableIndex
    }, info));
  }

  var dragEl,
      parentEl,
      ghostEl,
      rootEl,
      nextEl,
      lastDownEl,
      cloneEl,
      cloneHidden,
      oldIndex,
      newIndex,
      oldDraggableIndex,
      newDraggableIndex,
      activeGroup,
      putSortable,
      awaitingDragStarted = false,
      ignoreNextClick = false,
      sortables = [],
      tapEvt,
      touchEvt,
      lastDx,
      lastDy,
      tapDistanceLeft,
      tapDistanceTop,
      moved,
      lastTarget,
      lastDirection,
      pastFirstInvertThresh = false,
      isCircumstantialInvert = false,
      targetMoveDistance,
      // For positioning ghost absolutely
  ghostRelativeParent,
      ghostRelativeParentInitialScroll = [],
      // (left, top)
  _silent = false,
      savedInputChecked = [];
  /** @const */

  var documentExists = typeof document !== 'undefined',
      PositionGhostAbsolutely = IOS,
      CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
      // This will not pass for IE9, because IE9 DnD only works on anchors
  supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
      supportCssPointerEvents = function () {
    if (!documentExists) return; // false when <= IE11

    if (IE11OrLess) {
      return false;
    }

    var el = document.createElement('x');
    el.style.cssText = 'pointer-events:auto';
    return el.style.pointerEvents === 'auto';
  }(),
      _detectDirection = function _detectDirection(el, options) {
    var elCSS = css(el),
        elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth),
        child1 = getChild(el, 0, options),
        child2 = getChild(el, 1, options),
        firstChildCSS = child1 && css(child1),
        secondChildCSS = child2 && css(child2),
        firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width,
        secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width;

    if (elCSS.display === 'flex') {
      return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
    }

    if (elCSS.display === 'grid') {
      return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
    }

    if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
      var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
      return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
    }

    return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
  },
      _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
    var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
        dragElS2Opp = vertical ? dragRect.right : dragRect.bottom,
        dragElOppLength = vertical ? dragRect.width : dragRect.height,
        targetS1Opp = vertical ? targetRect.left : targetRect.top,
        targetS2Opp = vertical ? targetRect.right : targetRect.bottom,
        targetOppLength = vertical ? targetRect.width : targetRect.height;
    return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
  },

  /**
   * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
   * @param  {Number} x      X position
   * @param  {Number} y      Y position
   * @return {HTMLElement}   Element of the first found nearest Sortable
   */
  _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
    var ret;
    sortables.some(function (sortable) {
      if (lastChild(sortable)) return;
      var rect = getRect(sortable),
          threshold = sortable[expando].options.emptyInsertThreshold,
          insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
          insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;

      if (threshold && insideHorizontally && insideVertically) {
        return ret = sortable;
      }
    });
    return ret;
  },
      _prepareGroup = function _prepareGroup(options) {
    function toFn(value, pull) {
      return function (to, from, dragEl, evt) {
        var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;

        if (value == null && (pull || sameGroup)) {
          // Default pull value
          // Default pull and put value if same group
          return true;
        } else if (value == null || value === false) {
          return false;
        } else if (pull && value === 'clone') {
          return value;
        } else if (typeof value === 'function') {
          return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
        } else {
          var otherGroup = (pull ? to : from).options.group.name;
          return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
        }
      };
    }

    var group = {};
    var originalGroup = options.group;

    if (!originalGroup || _typeof(originalGroup) != 'object') {
      originalGroup = {
        name: originalGroup
      };
    }

    group.name = originalGroup.name;
    group.checkPull = toFn(originalGroup.pull, true);
    group.checkPut = toFn(originalGroup.put);
    group.revertClone = originalGroup.revertClone;
    options.group = group;
  },
      _hideGhostForTarget = function _hideGhostForTarget() {
    if (!supportCssPointerEvents && ghostEl) {
      css(ghostEl, 'display', 'none');
    }
  },
      _unhideGhostForTarget = function _unhideGhostForTarget() {
    if (!supportCssPointerEvents && ghostEl) {
      css(ghostEl, 'display', '');
    }
  }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position


  if (documentExists) {
    document.addEventListener('click', function (evt) {
      if (ignoreNextClick) {
        evt.preventDefault();
        evt.stopPropagation && evt.stopPropagation();
        evt.stopImmediatePropagation && evt.stopImmediatePropagation();
        ignoreNextClick = false;
        return false;
      }
    }, true);
  }

  var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
    if (dragEl) {
      evt = evt.touches ? evt.touches[0] : evt;

      var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY);

      if (nearest) {
        // Create imitation event
        var event = {};

        for (var i in evt) {
          if (evt.hasOwnProperty(i)) {
            event[i] = evt[i];
          }
        }

        event.target = event.rootEl = nearest;
        event.preventDefault = void 0;
        event.stopPropagation = void 0;

        nearest[expando]._onDragOver(event);
      }
    }
  };

  var _checkOutsideTargetEl = function _checkOutsideTargetEl(evt) {
    if (dragEl) {
      dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
    }
  };
  /**
   * @class  Sortable
   * @param  {HTMLElement}  el
   * @param  {Object}       [options]
   */


  function Sortable(el, options) {
    if (!(el && el.nodeType && el.nodeType === 1)) {
      throw "Sortable: `el` must be an HTMLElement, not ".concat({}.toString.call(el));
    }

    this.el = el; // root element

    this.options = options = _extends({}, options); // Export instance

    el[expando] = this;
    var defaults = {
      group: null,
      sort: true,
      disabled: false,
      store: null,
      handle: null,
      draggable: /^[uo]l$/i.test(el.nodeName) ? '>li' : '>*',
      swapThreshold: 1,
      // percentage; 0 <= x <= 1
      invertSwap: false,
      // invert always
      invertedSwapThreshold: null,
      // will be set to same as swapThreshold if default
      removeCloneOnHide: true,
      direction: function direction() {
        return _detectDirection(el, this.options);
      },
      ghostClass: 'sortable-ghost',
      chosenClass: 'sortable-chosen',
      dragClass: 'sortable-drag',
      ignore: 'a, img',
      filter: null,
      preventOnFilter: true,
      animation: 0,
      easing: null,
      setData: function setData(dataTransfer, dragEl) {
        dataTransfer.setData('Text', dragEl.textContent);
      },
      dropBubble: false,
      dragoverBubble: false,
      dataIdAttr: 'data-id',
      delay: 0,
      delayOnTouchOnly: false,
      touchStartThreshold: (Number.parseInt ? Number : window).parseInt(window.devicePixelRatio, 10) || 1,
      forceFallback: false,
      fallbackClass: 'sortable-fallback',
      fallbackOnBody: false,
      fallbackTolerance: 0,
      fallbackOffset: {
        x: 0,
        y: 0
      },
      supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window,
      emptyInsertThreshold: 5
    };
    PluginManager.initializePlugins(this, el, defaults); // Set default options

    for (var name in defaults) {
      !(name in options) && (options[name] = defaults[name]);
    }

    _prepareGroup(options); // Bind all private methods


    for (var fn in this) {
      if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
        this[fn] = this[fn].bind(this);
      }
    } // Setup drag mode


    this.nativeDraggable = options.forceFallback ? false : supportDraggable;

    if (this.nativeDraggable) {
      // Touch start threshold cannot be greater than the native dragstart threshold
      this.options.touchStartThreshold = 1;
    } // Bind events


    if (options.supportPointer) {
      on(el, 'pointerdown', this._onTapStart);
    } else {
      on(el, 'mousedown', this._onTapStart);
      on(el, 'touchstart', this._onTapStart);
    }

    if (this.nativeDraggable) {
      on(el, 'dragover', this);
      on(el, 'dragenter', this);
    }

    sortables.push(this.el); // Restore sorting

    options.store && options.store.get && this.sort(options.store.get(this) || []); // Add animation state manager

    _extends(this, AnimationStateManager());
  }

  Sortable.prototype =
  /** @lends Sortable.prototype */
  {
    constructor: Sortable,
    _isOutsideThisEl: function _isOutsideThisEl(target) {
      if (!this.el.contains(target) && target !== this.el) {
        lastTarget = null;
      }
    },
    _getDirection: function _getDirection(evt, target) {
      return typeof this.options.direction === 'function' ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction;
    },
    _onTapStart: function _onTapStart(
    /** Event|TouchEvent */
    evt) {
      if (!evt.cancelable) return;

      var _this = this,
          el = this.el,
          options = this.options,
          preventOnFilter = options.preventOnFilter,
          type = evt.type,
          touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
          target = (touch || evt).target,
          originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
          filter = options.filter;

      _saveInputCheckedState(el); // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.


      if (dragEl) {
        return;
      }

      if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {
        return; // only left button and enabled
      } // cancel dnd if original target is content editable


      if (originalTarget.isContentEditable) {
        return;
      }

      target = closest(target, options.draggable, el, false);

      if (target && target.animated) {
        return;
      }

      if (lastDownEl === target) {
        // Ignoring duplicate `down`
        return;
      } // Get the index of the dragged element within its parent


      oldIndex = index(target);
      oldDraggableIndex = index(target, options.draggable); // Check filter

      if (typeof filter === 'function') {
        if (filter.call(this, evt, target, this)) {
          _dispatchEvent({
            sortable: _this,
            rootEl: originalTarget,
            name: 'filter',
            targetEl: target,
            toEl: el,
            fromEl: el
          });

          pluginEvent('filter', _this, {
            evt: evt
          });
          preventOnFilter && evt.cancelable && evt.preventDefault();
          return; // cancel dnd
        }
      } else if (filter) {
        filter = filter.split(',').some(function (criteria) {
          criteria = closest(originalTarget, criteria.trim(), el, false);

          if (criteria) {
            _dispatchEvent({
              sortable: _this,
              rootEl: criteria,
              name: 'filter',
              targetEl: target,
              fromEl: el,
              toEl: el
            });

            pluginEvent('filter', _this, {
              evt: evt
            });
            return true;
          }
        });

        if (filter) {
          preventOnFilter && evt.cancelable && evt.preventDefault();
          return; // cancel dnd
        }
      }

      if (options.handle && !closest(originalTarget, options.handle, el, false)) {
        return;
      } // Prepare `dragstart`


      this._prepareDragStart(evt, touch, target);
    },
    _prepareDragStart: function _prepareDragStart(
    /** Event */
    evt,
    /** Touch */
    touch,
    /** HTMLElement */
    target) {
      var _this = this,
          el = _this.el,
          options = _this.options,
          ownerDocument = el.ownerDocument,
          dragStartFn;

      if (target && !dragEl && target.parentNode === el) {
        var dragRect = getRect(target);
        rootEl = el;
        dragEl = target;
        parentEl = dragEl.parentNode;
        nextEl = dragEl.nextSibling;
        lastDownEl = target;
        activeGroup = options.group;
        Sortable.dragged = dragEl;
        tapEvt = {
          target: dragEl,
          clientX: (touch || evt).clientX,
          clientY: (touch || evt).clientY
        };
        tapDistanceLeft = tapEvt.clientX - dragRect.left;
        tapDistanceTop = tapEvt.clientY - dragRect.top;
        this._lastX = (touch || evt).clientX;
        this._lastY = (touch || evt).clientY;
        dragEl.style['will-change'] = 'all';

        dragStartFn = function dragStartFn() {
          pluginEvent('delayEnded', _this, {
            evt: evt
          });

          if (Sortable.eventCanceled) {
            _this._onDrop();

            return;
          } // Delayed drag has been triggered
          // we can re-enable the events: touchmove/mousemove


          _this._disableDelayedDragEvents();

          if (!FireFox && _this.nativeDraggable) {
            dragEl.draggable = true;
          } // Bind the events: dragstart/dragend


          _this._triggerDragStart(evt, touch); // Drag start event


          _dispatchEvent({
            sortable: _this,
            name: 'choose',
            originalEvent: evt
          }); // Chosen item


          toggleClass(dragEl, options.chosenClass, true);
        }; // Disable "draggable"


        options.ignore.split(',').forEach(function (criteria) {
          find(dragEl, criteria.trim(), _disableDraggable);
        });
        on(ownerDocument, 'dragover', nearestEmptyInsertDetectEvent);
        on(ownerDocument, 'mousemove', nearestEmptyInsertDetectEvent);
        on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
        on(ownerDocument, 'mouseup', _this._onDrop);
        on(ownerDocument, 'touchend', _this._onDrop);
        on(ownerDocument, 'touchcancel', _this._onDrop); // Make dragEl draggable (must be before delay for FireFox)

        if (FireFox && this.nativeDraggable) {
          this.options.touchStartThreshold = 4;
          dragEl.draggable = true;
        }

        pluginEvent('delayStart', this, {
          evt: evt
        }); // Delay is impossible for native DnD in Edge or IE

        if (options.delay && (!options.delayOnTouchOnly || touch) && (!this.nativeDraggable || !(Edge || IE11OrLess))) {
          if (Sortable.eventCanceled) {
            this._onDrop();

            return;
          } // If the user moves the pointer or let go the click or touch
          // before the delay has been reached:
          // disable the delayed drag


          on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
          on(ownerDocument, 'touchend', _this._disableDelayedDrag);
          on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
          on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);
          on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);
          options.supportPointer && on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);
          _this._dragStartTimer = setTimeout(dragStartFn, options.delay);
        } else {
          dragStartFn();
        }
      }
    },
    _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler(
    /** TouchEvent|PointerEvent **/
    e) {
      var touch = e.touches ? e.touches[0] : e;

      if (Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) >= Math.floor(this.options.touchStartThreshold / (this.nativeDraggable && window.devicePixelRatio || 1))) {
        this._disableDelayedDrag();
      }
    },
    _disableDelayedDrag: function _disableDelayedDrag() {
      dragEl && _disableDraggable(dragEl);
      clearTimeout(this._dragStartTimer);

      this._disableDelayedDragEvents();
    },
    _disableDelayedDragEvents: function _disableDelayedDragEvents() {
      var ownerDocument = this.el.ownerDocument;
      off(ownerDocument, 'mouseup', this._disableDelayedDrag);
      off(ownerDocument, 'touchend', this._disableDelayedDrag);
      off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
      off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);
      off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
      off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
    },
    _triggerDragStart: function _triggerDragStart(
    /** Event */
    evt,
    /** Touch */
    touch) {
      touch = touch || evt.pointerType == 'touch' && evt;

      if (!this.nativeDraggable || touch) {
        if (this.options.supportPointer) {
          on(document, 'pointermove', this._onTouchMove);
        } else if (touch) {
          on(document, 'touchmove', this._onTouchMove);
        } else {
          on(document, 'mousemove', this._onTouchMove);
        }
      } else {
        on(dragEl, 'dragend', this);
        on(rootEl, 'dragstart', this._onDragStart);
      }

      try {
        if (document.selection) {
          // Timeout neccessary for IE9
          _nextTick(function () {
            document.selection.empty();
          });
        } else {
          window.getSelection().removeAllRanges();
        }
      } catch (err) {}
    },
    _dragStarted: function _dragStarted(fallback, evt) {

      awaitingDragStarted = false;

      if (rootEl && dragEl) {
        pluginEvent('dragStarted', this, {
          evt: evt
        });

        if (this.nativeDraggable) {
          on(document, 'dragover', _checkOutsideTargetEl);
        }

        var options = this.options; // Apply effect

        !fallback && toggleClass(dragEl, options.dragClass, false);
        toggleClass(dragEl, options.ghostClass, true);
        Sortable.active = this;
        fallback && this._appendGhost(); // Drag start event

        _dispatchEvent({
          sortable: this,
          name: 'start',
          originalEvent: evt
        });
      } else {
        this._nulling();
      }
    },
    _emulateDragOver: function _emulateDragOver() {
      if (touchEvt) {
        this._lastX = touchEvt.clientX;
        this._lastY = touchEvt.clientY;

        _hideGhostForTarget();

        var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
        var parent = target;

        while (target && target.shadowRoot) {
          target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
          if (target === parent) break;
          parent = target;
        }

        dragEl.parentNode[expando]._isOutsideThisEl(target);

        if (parent) {
          do {
            if (parent[expando]) {
              var inserted = void 0;
              inserted = parent[expando]._onDragOver({
                clientX: touchEvt.clientX,
                clientY: touchEvt.clientY,
                target: target,
                rootEl: parent
              });

              if (inserted && !this.options.dragoverBubble) {
                break;
              }
            }

            target = parent; // store last element
          }
          /* jshint boss:true */
          while (parent = parent.parentNode);
        }

        _unhideGhostForTarget();
      }
    },
    _onTouchMove: function _onTouchMove(
    /**TouchEvent*/
    evt) {
      if (tapEvt) {
        var options = this.options,
            fallbackTolerance = options.fallbackTolerance,
            fallbackOffset = options.fallbackOffset,
            touch = evt.touches ? evt.touches[0] : evt,
            ghostMatrix = ghostEl && matrix(ghostEl, true),
            scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
            scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
            relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
            dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
            dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging

        if (!Sortable.active && !awaitingDragStarted) {
          if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
            return;
          }

          this._onDragStart(evt, true);
        }

        if (ghostEl) {
          if (ghostMatrix) {
            ghostMatrix.e += dx - (lastDx || 0);
            ghostMatrix.f += dy - (lastDy || 0);
          } else {
            ghostMatrix = {
              a: 1,
              b: 0,
              c: 0,
              d: 1,
              e: dx,
              f: dy
            };
          }

          var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
          css(ghostEl, 'webkitTransform', cssMatrix);
          css(ghostEl, 'mozTransform', cssMatrix);
          css(ghostEl, 'msTransform', cssMatrix);
          css(ghostEl, 'transform', cssMatrix);
          lastDx = dx;
          lastDy = dy;
          touchEvt = touch;
        }

        evt.cancelable && evt.preventDefault();
      }
    },
    _appendGhost: function _appendGhost() {
      // Bug if using scale(): https://stackoverflow.com/questions/2637058
      // Not being adjusted for
      if (!ghostEl) {
        var container = this.options.fallbackOnBody ? document.body : rootEl,
            rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
            options = this.options; // Position absolutely

        if (PositionGhostAbsolutely) {
          // Get relatively positioned parent
          ghostRelativeParent = container;

          while (css(ghostRelativeParent, 'position') === 'static' && css(ghostRelativeParent, 'transform') === 'none' && ghostRelativeParent !== document) {
            ghostRelativeParent = ghostRelativeParent.parentNode;
          }

          if (ghostRelativeParent !== document.body && ghostRelativeParent !== document.documentElement) {
            if (ghostRelativeParent === document) ghostRelativeParent = getWindowScrollingElement();
            rect.top += ghostRelativeParent.scrollTop;
            rect.left += ghostRelativeParent.scrollLeft;
          } else {
            ghostRelativeParent = getWindowScrollingElement();
          }

          ghostRelativeParentInitialScroll = getRelativeScrollOffset(ghostRelativeParent);
        }

        ghostEl = dragEl.cloneNode(true);
        toggleClass(ghostEl, options.ghostClass, false);
        toggleClass(ghostEl, options.fallbackClass, true);
        toggleClass(ghostEl, options.dragClass, true);
        css(ghostEl, 'transition', '');
        css(ghostEl, 'transform', '');
        css(ghostEl, 'box-sizing', 'border-box');
        css(ghostEl, 'margin', 0);
        css(ghostEl, 'top', rect.top);
        css(ghostEl, 'left', rect.left);
        css(ghostEl, 'width', rect.width);
        css(ghostEl, 'height', rect.height);
        css(ghostEl, 'opacity', '0.8');
        css(ghostEl, 'position', PositionGhostAbsolutely ? 'absolute' : 'fixed');
        css(ghostEl, 'zIndex', '100000');
        css(ghostEl, 'pointerEvents', 'none');
        Sortable.ghost = ghostEl;
        container.appendChild(ghostEl); // Set transform-origin

        css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
      }
    },
    _onDragStart: function _onDragStart(
    /**Event*/
    evt,
    /**boolean*/
    fallback) {
      var _this = this;

      var dataTransfer = evt.dataTransfer;
      var options = _this.options;
      pluginEvent('dragStart', this, {
        evt: evt
      });

      if (Sortable.eventCanceled) {
        this._onDrop();

        return;
      }

      pluginEvent('setupClone', this);

      if (!Sortable.eventCanceled) {
        cloneEl = clone(dragEl);
        cloneEl.draggable = false;
        cloneEl.style['will-change'] = '';

        this._hideClone();

        toggleClass(cloneEl, this.options.chosenClass, false);
        Sortable.clone = cloneEl;
      } // #1143: IFrame support workaround


      _this.cloneId = _nextTick(function () {
        pluginEvent('clone', _this);
        if (Sortable.eventCanceled) return;

        if (!_this.options.removeCloneOnHide) {
          rootEl.insertBefore(cloneEl, dragEl);
        }

        _this._hideClone();

        _dispatchEvent({
          sortable: _this,
          name: 'clone'
        });
      });
      !fallback && toggleClass(dragEl, options.dragClass, true); // Set proper drop events

      if (fallback) {
        ignoreNextClick = true;
        _this._loopId = setInterval(_this._emulateDragOver, 50);
      } else {
        // Undo what was set in _prepareDragStart before drag started
        off(document, 'mouseup', _this._onDrop);
        off(document, 'touchend', _this._onDrop);
        off(document, 'touchcancel', _this._onDrop);

        if (dataTransfer) {
          dataTransfer.effectAllowed = 'move';
          options.setData && options.setData.call(_this, dataTransfer, dragEl);
        }

        on(document, 'drop', _this); // #1276 fix:

        css(dragEl, 'transform', 'translateZ(0)');
      }

      awaitingDragStarted = true;
      _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
      on(document, 'selectstart', _this);
      moved = true;

      if (Safari) {
        css(document.body, 'user-select', 'none');
      }
    },
    // Returns true - if no further action is needed (either inserted or another condition)
    _onDragOver: function _onDragOver(
    /**Event*/
    evt) {
      var el = this.el,
          target = evt.target,
          dragRect,
          targetRect,
          revert,
          options = this.options,
          group = options.group,
          activeSortable = Sortable.active,
          isOwner = activeGroup === group,
          canSort = options.sort,
          fromSortable = putSortable || activeSortable,
          vertical,
          _this = this,
          completedFired = false;

      if (_silent) return;

      function dragOverEvent(name, extra) {
        pluginEvent(name, _this, _objectSpread({
          evt: evt,
          isOwner: isOwner,
          axis: vertical ? 'vertical' : 'horizontal',
          revert: revert,
          dragRect: dragRect,
          targetRect: targetRect,
          canSort: canSort,
          fromSortable: fromSortable,
          target: target,
          completed: completed,
          onMove: function onMove(target, after) {
            return _onMove(rootEl, el, dragEl, dragRect, target, getRect(target), evt, after);
          },
          changed: changed
        }, extra));
      } // Capture animation state


      function capture() {
        dragOverEvent('dragOverAnimationCapture');

        _this.captureAnimationState();

        if (_this !== fromSortable) {
          fromSortable.captureAnimationState();
        }
      } // Return invocation when dragEl is inserted (or completed)


      function completed(insertion) {
        dragOverEvent('dragOverCompleted', {
          insertion: insertion
        });

        if (insertion) {
          // Clones must be hidden before folding animation to capture dragRectAbsolute properly
          if (isOwner) {
            activeSortable._hideClone();
          } else {
            activeSortable._showClone(_this);
          }

          if (_this !== fromSortable) {
            // Set ghost class to new sortable's ghost class
            toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : activeSortable.options.ghostClass, false);
            toggleClass(dragEl, options.ghostClass, true);
          }

          if (putSortable !== _this && _this !== Sortable.active) {
            putSortable = _this;
          } else if (_this === Sortable.active && putSortable) {
            putSortable = null;
          } // Animation


          if (fromSortable === _this) {
            _this._ignoreWhileAnimating = target;
          }

          _this.animateAll(function () {
            dragOverEvent('dragOverAnimationComplete');
            _this._ignoreWhileAnimating = null;
          });

          if (_this !== fromSortable) {
            fromSortable.animateAll();
            fromSortable._ignoreWhileAnimating = null;
          }
        } // Null lastTarget if it is not inside a previously swapped element


        if (target === dragEl && !dragEl.animated || target === el && !target.animated) {
          lastTarget = null;
        } // no bubbling and not fallback


        if (!options.dragoverBubble && !evt.rootEl && target !== document) {
          dragEl.parentNode[expando]._isOutsideThisEl(evt.target); // Do not detect for empty insert if already inserted


          !insertion && nearestEmptyInsertDetectEvent(evt);
        }

        !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation();
        return completedFired = true;
      } // Call when dragEl has been inserted


      function changed() {
        newIndex = index(dragEl);
        newDraggableIndex = index(dragEl, options.draggable);

        _dispatchEvent({
          sortable: _this,
          name: 'change',
          toEl: el,
          newIndex: newIndex,
          newDraggableIndex: newDraggableIndex,
          originalEvent: evt
        });
      }

      if (evt.preventDefault !== void 0) {
        evt.cancelable && evt.preventDefault();
      }

      target = closest(target, options.draggable, el, true);
      dragOverEvent('dragOver');
      if (Sortable.eventCanceled) return completedFired;

      if (dragEl.contains(evt.target) || target.animated && target.animatingX && target.animatingY || _this._ignoreWhileAnimating === target) {
        return completed(false);
      }

      ignoreNextClick = false;

      if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
      : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
        vertical = this._getDirection(evt, target) === 'vertical';
        dragRect = getRect(dragEl);
        dragOverEvent('dragOverValid');
        if (Sortable.eventCanceled) return completedFired;

        if (revert) {
          parentEl = rootEl; // actualization

          capture();

          this._hideClone();

          dragOverEvent('revert');

          if (!Sortable.eventCanceled) {
            if (nextEl) {
              rootEl.insertBefore(dragEl, nextEl);
            } else {
              rootEl.appendChild(dragEl);
            }
          }

          return completed(true);
        }

        var elLastChild = lastChild(el, options.draggable);

        if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
          // If already at end of list: Do not insert
          if (elLastChild === dragEl) {
            return completed(false);
          } // assign target only if condition is true


          if (elLastChild && el === evt.target) {
            target = elLastChild;
          }

          if (target) {
            targetRect = getRect(target);
          }

          if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
            capture();
            el.appendChild(dragEl);
            parentEl = el; // actualization

            changed();
            return completed(true);
          }
        } else if (target.parentNode === el) {
          targetRect = getRect(target);
          var direction = 0,
              targetBeforeFirstSwap,
              differentLevel = dragEl.parentNode !== el,
              differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
              side1 = vertical ? 'top' : 'left',
              scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
              scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;

          if (lastTarget !== target) {
            targetBeforeFirstSwap = targetRect[side1];
            pastFirstInvertThresh = false;
            isCircumstantialInvert = !differentRowCol && options.invertSwap || differentLevel;
          }

          direction = _getSwapDirection(evt, target, targetRect, vertical, differentRowCol ? 1 : options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target);
          var sibling;

          if (direction !== 0) {
            // Check if target is beside dragEl in respective direction (ignoring hidden elements)
            var dragIndex = index(dragEl);

            do {
              dragIndex -= direction;
              sibling = parentEl.children[dragIndex];
            } while (sibling && (css(sibling, 'display') === 'none' || sibling === ghostEl));
          } // If dragEl is already beside target: Do not insert


          if (direction === 0 || sibling === target) {
            return completed(false);
          }

          lastTarget = target;
          lastDirection = direction;
          var nextSibling = target.nextElementSibling,
              after = false;
          after = direction === 1;

          var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);

          if (moveVector !== false) {
            if (moveVector === 1 || moveVector === -1) {
              after = moveVector === 1;
            }

            _silent = true;
            setTimeout(_unsilent, 30);
            capture();

            if (after && !nextSibling) {
              el.appendChild(dragEl);
            } else {
              target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
            } // Undo chrome's scroll adjustment (has no effect on other browsers)


            if (scrolledPastTop) {
              scrollBy(scrolledPastTop, 0, scrollBefore - scrolledPastTop.scrollTop);
            }

            parentEl = dragEl.parentNode; // actualization
            // must be done before animation

            if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) {
              targetMoveDistance = Math.abs(targetBeforeFirstSwap - getRect(target)[side1]);
            }

            changed();
            return completed(true);
          }
        }

        if (el.contains(dragEl)) {
          return completed(false);
        }
      }

      return false;
    },
    _ignoreWhileAnimating: null,
    _offMoveEvents: function _offMoveEvents() {
      off(document, 'mousemove', this._onTouchMove);
      off(document, 'touchmove', this._onTouchMove);
      off(document, 'pointermove', this._onTouchMove);
      off(document, 'dragover', nearestEmptyInsertDetectEvent);
      off(document, 'mousemove', nearestEmptyInsertDetectEvent);
      off(document, 'touchmove', nearestEmptyInsertDetectEvent);
    },
    _offUpEvents: function _offUpEvents() {
      var ownerDocument = this.el.ownerDocument;
      off(ownerDocument, 'mouseup', this._onDrop);
      off(ownerDocument, 'touchend', this._onDrop);
      off(ownerDocument, 'pointerup', this._onDrop);
      off(ownerDocument, 'touchcancel', this._onDrop);
      off(document, 'selectstart', this);
    },
    _onDrop: function _onDrop(
    /**Event*/
    evt) {
      var el = this.el,
          options = this.options; // Get the index of the dragged element within its parent

      newIndex = index(dragEl);
      newDraggableIndex = index(dragEl, options.draggable);
      pluginEvent('drop', this, {
        evt: evt
      });
      parentEl = dragEl && dragEl.parentNode; // Get again after plugin event

      newIndex = index(dragEl);
      newDraggableIndex = index(dragEl, options.draggable);

      if (Sortable.eventCanceled) {
        this._nulling();

        return;
      }

      awaitingDragStarted = false;
      isCircumstantialInvert = false;
      pastFirstInvertThresh = false;
      clearInterval(this._loopId);
      clearTimeout(this._dragStartTimer);

      _cancelNextTick(this.cloneId);

      _cancelNextTick(this._dragStartId); // Unbind events


      if (this.nativeDraggable) {
        off(document, 'drop', this);
        off(el, 'dragstart', this._onDragStart);
      }

      this._offMoveEvents();

      this._offUpEvents();

      if (Safari) {
        css(document.body, 'user-select', '');
      }

      css(dragEl, 'transform', '');

      if (evt) {
        if (moved) {
          evt.cancelable && evt.preventDefault();
          !options.dropBubble && evt.stopPropagation();
        }

        ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);

        if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
          // Remove clone(s)
          cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);
        }

        if (dragEl) {
          if (this.nativeDraggable) {
            off(dragEl, 'dragend', this);
          }

          _disableDraggable(dragEl);

          dragEl.style['will-change'] = ''; // Remove classes
          // ghostClass is added in dragStarted

          if (moved && !awaitingDragStarted) {
            toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : this.options.ghostClass, false);
          }

          toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event

          _dispatchEvent({
            sortable: this,
            name: 'unchoose',
            toEl: parentEl,
            newIndex: null,
            newDraggableIndex: null,
            originalEvent: evt
          });

          if (rootEl !== parentEl) {
            if (newIndex >= 0) {
              // Add event
              _dispatchEvent({
                rootEl: parentEl,
                name: 'add',
                toEl: parentEl,
                fromEl: rootEl,
                originalEvent: evt
              }); // Remove event


              _dispatchEvent({
                sortable: this,
                name: 'remove',
                toEl: parentEl,
                originalEvent: evt
              }); // drag from one list and drop into another


              _dispatchEvent({
                rootEl: parentEl,
                name: 'sort',
                toEl: parentEl,
                fromEl: rootEl,
                originalEvent: evt
              });

              _dispatchEvent({
                sortable: this,
                name: 'sort',
                toEl: parentEl,
                originalEvent: evt
              });
            }

            putSortable && putSortable.save();
          } else {
            if (newIndex !== oldIndex) {
              if (newIndex >= 0) {
                // drag & drop within the same list
                _dispatchEvent({
                  sortable: this,
                  name: 'update',
                  toEl: parentEl,
                  originalEvent: evt
                });

                _dispatchEvent({
                  sortable: this,
                  name: 'sort',
                  toEl: parentEl,
                  originalEvent: evt
                });
              }
            }
          }

          if (Sortable.active) {
            /* jshint eqnull:true */
            if (newIndex == null || newIndex === -1) {
              newIndex = oldIndex;
              newDraggableIndex = oldDraggableIndex;
            }

            _dispatchEvent({
              sortable: this,
              name: 'end',
              toEl: parentEl,
              originalEvent: evt
            }); // Save sorting


            this.save();
          }
        }
      }

      this._nulling();
    },
    _nulling: function _nulling() {
      pluginEvent('nulling', this);
      rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = cloneHidden = tapEvt = touchEvt = moved = newIndex = newDraggableIndex = oldIndex = oldDraggableIndex = lastTarget = lastDirection = putSortable = activeGroup = Sortable.dragged = Sortable.ghost = Sortable.clone = Sortable.active = null;
      savedInputChecked.forEach(function (el) {
        el.checked = true;
      });
      savedInputChecked.length = lastDx = lastDy = 0;
    },
    handleEvent: function handleEvent(
    /**Event*/
    evt) {
      switch (evt.type) {
        case 'drop':
        case 'dragend':
          this._onDrop(evt);

          break;

        case 'dragenter':
        case 'dragover':
          if (dragEl) {
            this._onDragOver(evt);

            _globalDragOver(evt);
          }

          break;

        case 'selectstart':
          evt.preventDefault();
          break;
      }
    },

    /**
     * Serializes the item into an array of string.
     * @returns {String[]}
     */
    toArray: function toArray() {
      var order = [],
          el,
          children = this.el.children,
          i = 0,
          n = children.length,
          options = this.options;

      for (; i < n; i++) {
        el = children[i];

        if (closest(el, options.draggable, this.el, false)) {
          order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
        }
      }

      return order;
    },

    /**
     * Sorts the elements according to the array.
     * @param  {String[]}  order  order of the items
     */
    sort: function sort(order) {
      var items = {},
          rootEl = this.el;
      this.toArray().forEach(function (id, i) {
        var el = rootEl.children[i];

        if (closest(el, this.options.draggable, rootEl, false)) {
          items[id] = el;
        }
      }, this);
      order.forEach(function (id) {
        if (items[id]) {
          rootEl.removeChild(items[id]);
          rootEl.appendChild(items[id]);
        }
      });
    },

    /**
     * Save the current sorting
     */
    save: function save() {
      var store = this.options.store;
      store && store.set && store.set(this);
    },

    /**
     * For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
     * @param   {HTMLElement}  el
     * @param   {String}       [selector]  default: `options.draggable`
     * @returns {HTMLElement|null}
     */
    closest: function closest$1(el, selector) {
      return closest(el, selector || this.options.draggable, this.el, false);
    },

    /**
     * Set/get option
     * @param   {string} name
     * @param   {*}      [value]
     * @returns {*}
     */
    option: function option(name, value) {
      var options = this.options;

      if (value === void 0) {
        return options[name];
      } else {
        var modifiedValue = PluginManager.modifyOption(this, name, value);

        if (typeof modifiedValue !== 'undefined') {
          options[name] = modifiedValue;
        } else {
          options[name] = value;
        }

        if (name === 'group') {
          _prepareGroup(options);
        }
      }
    },

    /**
     * Destroy
     */
    destroy: function destroy() {
      pluginEvent('destroy', this);
      var el = this.el;
      el[expando] = null;
      off(el, 'mousedown', this._onTapStart);
      off(el, 'touchstart', this._onTapStart);
      off(el, 'pointerdown', this._onTapStart);

      if (this.nativeDraggable) {
        off(el, 'dragover', this);
        off(el, 'dragenter', this);
      } // Remove draggable attributes


      Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {
        el.removeAttribute('draggable');
      });

      this._onDrop();

      this._disableDelayedDragEvents();

      sortables.splice(sortables.indexOf(this.el), 1);
      this.el = el = null;
    },
    _hideClone: function _hideClone() {
      if (!cloneHidden) {
        pluginEvent('hideClone', this);
        if (Sortable.eventCanceled) return;
        css(cloneEl, 'display', 'none');

        if (this.options.removeCloneOnHide && cloneEl.parentNode) {
          cloneEl.parentNode.removeChild(cloneEl);
        }

        cloneHidden = true;
      }
    },
    _showClone: function _showClone(putSortable) {
      if (putSortable.lastPutMode !== 'clone') {
        this._hideClone();

        return;
      }

      if (cloneHidden) {
        pluginEvent('showClone', this);
        if (Sortable.eventCanceled) return; // show clone at dragEl or original position

        if (rootEl.contains(dragEl) && !this.options.group.revertClone) {
          rootEl.insertBefore(cloneEl, dragEl);
        } else if (nextEl) {
          rootEl.insertBefore(cloneEl, nextEl);
        } else {
          rootEl.appendChild(cloneEl);
        }

        if (this.options.group.revertClone) {
          this.animate(dragEl, cloneEl);
        }

        css(cloneEl, 'display', '');
        cloneHidden = false;
      }
    }
  };

  function _globalDragOver(
  /**Event*/
  evt) {
    if (evt.dataTransfer) {
      evt.dataTransfer.dropEffect = 'move';
    }

    evt.cancelable && evt.preventDefault();
  }

  function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvent, willInsertAfter) {
    var evt,
        sortable = fromEl[expando],
        onMoveFn = sortable.options.onMove,
        retVal; // Support for new CustomEvent feature

    if (window.CustomEvent && !IE11OrLess && !Edge) {
      evt = new CustomEvent('move', {
        bubbles: true,
        cancelable: true
      });
    } else {
      evt = document.createEvent('Event');
      evt.initEvent('move', true, true);
    }

    evt.to = toEl;
    evt.from = fromEl;
    evt.dragged = dragEl;
    evt.draggedRect = dragRect;
    evt.related = targetEl || toEl;
    evt.relatedRect = targetRect || getRect(toEl);
    evt.willInsertAfter = willInsertAfter;
    evt.originalEvent = originalEvent;
    fromEl.dispatchEvent(evt);

    if (onMoveFn) {
      retVal = onMoveFn.call(sortable, evt, originalEvent);
    }

    return retVal;
  }

  function _disableDraggable(el) {
    el.draggable = false;
  }

  function _unsilent() {
    _silent = false;
  }

  function _ghostIsLast(evt, vertical, sortable) {
    var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
    var spacer = 10;
    return vertical ? evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left : evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer;
  }

  function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
    var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
        targetLength = vertical ? targetRect.height : targetRect.width,
        targetS1 = vertical ? targetRect.top : targetRect.left,
        targetS2 = vertical ? targetRect.bottom : targetRect.right,
        invert = false;

    if (!invertSwap) {
      // Never invert or create dragEl shadow when target movemenet causes mouse to move past the end of regular swapThreshold
      if (isLastTarget && targetMoveDistance < targetLength * swapThreshold) {
        // multiplied only by swapThreshold because mouse will already be inside target by (1 - threshold) * targetLength / 2
        // check if past first invert threshold on side opposite of lastDirection
        if (!pastFirstInvertThresh && (lastDirection === 1 ? mouseOnAxis > targetS1 + targetLength * invertedSwapThreshold / 2 : mouseOnAxis < targetS2 - targetLength * invertedSwapThreshold / 2)) {
          // past first invert threshold, do not restrict inverted threshold to dragEl shadow
          pastFirstInvertThresh = true;
        }

        if (!pastFirstInvertThresh) {
          // dragEl shadow (target move distance shadow)
          if (lastDirection === 1 ? mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow
          : mouseOnAxis > targetS2 - targetMoveDistance) {
            return -lastDirection;
          }
        } else {
          invert = true;
        }
      } else {
        // Regular
        if (mouseOnAxis > targetS1 + targetLength * (1 - swapThreshold) / 2 && mouseOnAxis < targetS2 - targetLength * (1 - swapThreshold) / 2) {
          return _getInsertDirection(target);
        }
      }
    }

    invert = invert || invertSwap;

    if (invert) {
      // Invert of regular
      if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) {
        return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1;
      }
    }

    return 0;
  }
  /**
   * Gets the direction dragEl must be swapped relative to target in order to make it
   * seem that dragEl has been "inserted" into that element's position
   * @param  {HTMLElement} target       The target whose position dragEl is being inserted at
   * @return {Number}                   Direction dragEl must be swapped
   */


  function _getInsertDirection(target) {
    if (index(dragEl) < index(target)) {
      return 1;
    } else {
      return -1;
    }
  }
  /**
   * Generate id
   * @param   {HTMLElement} el
   * @returns {String}
   * @private
   */


  function _generateId(el) {
    var str = el.tagName + el.className + el.src + el.href + el.textContent,
        i = str.length,
        sum = 0;

    while (i--) {
      sum += str.charCodeAt(i);
    }

    return sum.toString(36);
  }

  function _saveInputCheckedState(root) {
    savedInputChecked.length = 0;
    var inputs = root.getElementsByTagName('input');
    var idx = inputs.length;

    while (idx--) {
      var el = inputs[idx];
      el.checked && savedInputChecked.push(el);
    }
  }

  function _nextTick(fn) {
    return setTimeout(fn, 0);
  }

  function _cancelNextTick(id) {
    return clearTimeout(id);
  } // Fixed #973:


  if (documentExists) {
    on(document, 'touchmove', function (evt) {
      if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
        evt.preventDefault();
      }
    });
  } // Export utils


  Sortable.utils = {
    on: on,
    off: off,
    css: css,
    find: find,
    is: function is(el, selector) {
      return !!closest(el, selector, el, false);
    },
    extend: extend,
    throttle: throttle,
    closest: closest,
    toggleClass: toggleClass,
    clone: clone,
    index: index,
    nextTick: _nextTick,
    cancelNextTick: _cancelNextTick,
    detectDirection: _detectDirection,
    getChild: getChild
  };
  /**
   * Get the Sortable instance of an element
   * @param  {HTMLElement} element The element
   * @return {Sortable|undefined}         The instance of Sortable
   */

  Sortable.get = function (element) {
    return element[expando];
  };
  /**
   * Mount a plugin to Sortable
   * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted
   */


  Sortable.mount = function () {
    for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
      plugins[_key] = arguments[_key];
    }

    if (plugins[0].constructor === Array) plugins = plugins[0];
    plugins.forEach(function (plugin) {
      if (!plugin.prototype || !plugin.prototype.constructor) {
        throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
      }

      if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
      PluginManager.mount(plugin);
    });
  };
  /**
   * Create sortable instance
   * @param {HTMLElement}  el
   * @param {Object}      [options]
   */


  Sortable.create = function (el, options) {
    return new Sortable(el, options);
  }; // Export


  Sortable.version = version;

  var autoScrolls = [],
      scrollEl,
      scrollRootEl,
      scrolling = false,
      lastAutoScrollX,
      lastAutoScrollY,
      touchEvt$1,
      pointerElemChangedInterval;

  function AutoScrollPlugin() {
    function AutoScroll() {
      this.defaults = {
        scroll: true,
        scrollSensitivity: 30,
        scrollSpeed: 10,
        bubbleScroll: true
      }; // Bind all private methods

      for (var fn in this) {
        if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
          this[fn] = this[fn].bind(this);
        }
      }
    }

    AutoScroll.prototype = {
      dragStarted: function dragStarted(_ref) {
        var originalEvent = _ref.originalEvent;

        if (this.sortable.nativeDraggable) {
          on(document, 'dragover', this._handleAutoScroll);
        } else {
          if (this.options.supportPointer) {
            on(document, 'pointermove', this._handleFallbackAutoScroll);
          } else if (originalEvent.touches) {
            on(document, 'touchmove', this._handleFallbackAutoScroll);
          } else {
            on(document, 'mousemove', this._handleFallbackAutoScroll);
          }
        }
      },
      dragOverCompleted: function dragOverCompleted(_ref2) {
        var originalEvent = _ref2.originalEvent;

        // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
        if (!this.options.dragOverBubble && !originalEvent.rootEl) {
          this._handleAutoScroll(originalEvent);
        }
      },
      drop: function drop() {
        if (this.sortable.nativeDraggable) {
          off(document, 'dragover', this._handleAutoScroll);
        } else {
          off(document, 'pointermove', this._handleFallbackAutoScroll);
          off(document, 'touchmove', this._handleFallbackAutoScroll);
          off(document, 'mousemove', this._handleFallbackAutoScroll);
        }

        clearPointerElemChangedInterval();
        clearAutoScrolls();
        cancelThrottle();
      },
      nulling: function nulling() {
        touchEvt$1 = scrollRootEl = scrollEl = scrolling = pointerElemChangedInterval = lastAutoScrollX = lastAutoScrollY = null;
        autoScrolls.length = 0;
      },
      _handleFallbackAutoScroll: function _handleFallbackAutoScroll(evt) {
        this._handleAutoScroll(evt, true);
      },
      _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
        var _this = this;

        var x = (evt.touches ? evt.touches[0] : evt).clientX,
            y = (evt.touches ? evt.touches[0] : evt).clientY,
            elem = document.elementFromPoint(x, y);
        touchEvt$1 = evt; // IE does not seem to have native autoscroll,
        // Edge's autoscroll seems too conditional,
        // MACOS Safari does not have autoscroll,
        // Firefox and Chrome are good

        if (fallback || Edge || IE11OrLess || Safari) {
          autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change

          var ogElemScroller = getParentAutoScrollElement(elem, true);

          if (scrolling && (!pointerElemChangedInterval || x !== lastAutoScrollX || y !== lastAutoScrollY)) {
            pointerElemChangedInterval && clearPointerElemChangedInterval(); // Detect for pointer elem change, emulating native DnD behaviour

            pointerElemChangedInterval = setInterval(function () {
              var newElem = getParentAutoScrollElement(document.elementFromPoint(x, y), true);

              if (newElem !== ogElemScroller) {
                ogElemScroller = newElem;
                clearAutoScrolls();
              }

              autoScroll(evt, _this.options, newElem, fallback);
            }, 10);
            lastAutoScrollX = x;
            lastAutoScrollY = y;
          }
        } else {
          // if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll
          if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
            clearAutoScrolls();
            return;
          }

          autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false);
        }
      }
    };
    return _extends(AutoScroll, {
      pluginName: 'scroll',
      initializeByDefault: true
    });
  }

  function clearAutoScrolls() {
    autoScrolls.forEach(function (autoScroll) {
      clearInterval(autoScroll.pid);
    });
    autoScrolls = [];
  }

  function clearPointerElemChangedInterval() {
    clearInterval(pointerElemChangedInterval);
  }

  var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
    // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
    if (!options.scroll) return;
    var x = (evt.touches ? evt.touches[0] : evt).clientX,
        y = (evt.touches ? evt.touches[0] : evt).clientY,
        sens = options.scrollSensitivity,
        speed = options.scrollSpeed,
        winScroller = getWindowScrollingElement();
    var scrollThisInstance = false,
        scrollCustomFn; // New scroll root, set scrollEl

    if (scrollRootEl !== rootEl) {
      scrollRootEl = rootEl;
      clearAutoScrolls();
      scrollEl = options.scroll;
      scrollCustomFn = options.scrollFn;

      if (scrollEl === true) {
        scrollEl = getParentAutoScrollElement(rootEl, true);
      }
    }

    var layersOut = 0;
    var currentParent = scrollEl;

    do {
      var el = currentParent,
          rect = getRect(el),
          top = rect.top,
          bottom = rect.bottom,
          left = rect.left,
          right = rect.right,
          width = rect.width,
          height = rect.height,
          canScrollX = void 0,
          canScrollY = void 0,
          scrollWidth = el.scrollWidth,
          scrollHeight = el.scrollHeight,
          elCSS = css(el),
          scrollPosX = el.scrollLeft,
          scrollPosY = el.scrollTop;

      if (el === winScroller) {
        canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll' || elCSS.overflowX === 'visible');
        canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll' || elCSS.overflowY === 'visible');
      } else {
        canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll');
        canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
      }

      var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
      var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);

      if (!autoScrolls[layersOut]) {
        for (var i = 0; i <= layersOut; i++) {
          if (!autoScrolls[i]) {
            autoScrolls[i] = {};
          }
        }
      }

      if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {
        autoScrolls[layersOut].el = el;
        autoScrolls[layersOut].vx = vx;
        autoScrolls[layersOut].vy = vy;
        clearInterval(autoScrolls[layersOut].pid);

        if (vx != 0 || vy != 0) {
          scrollThisInstance = true;
          /* jshint loopfunc:true */

          autoScrolls[layersOut].pid = setInterval(function () {
            // emulate drag over during autoscroll (fallback), emulating native DnD behaviour
            if (isFallback && this.layer === 0) {
              Sortable.active._onTouchMove(touchEvt$1); // To move ghost if it is positioned absolutely

            }

            var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;
            var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;

            if (typeof scrollCustomFn === 'function') {
              if (scrollCustomFn.call(Sortable.dragged.parentNode[expando], scrollOffsetX, scrollOffsetY, evt, touchEvt$1, autoScrolls[this.layer].el) !== 'continue') {
                return;
              }
            }

            scrollBy(autoScrolls[this.layer].el, scrollOffsetX, scrollOffsetY);
          }.bind({
            layer: layersOut
          }), 24);
        }
      }

      layersOut++;
    } while (options.bubbleScroll && currentParent !== winScroller && (currentParent = getParentAutoScrollElement(currentParent, false)));

    scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not
  }, 30);

  var drop = function drop(_ref) {
    var originalEvent = _ref.originalEvent,
        putSortable = _ref.putSortable,
        dragEl = _ref.dragEl,
        activeSortable = _ref.activeSortable,
        dispatchSortableEvent = _ref.dispatchSortableEvent,
        hideGhostForTarget = _ref.hideGhostForTarget,
        unhideGhostForTarget = _ref.unhideGhostForTarget;
    if (!originalEvent) return;
    var toSortable = putSortable || activeSortable;
    hideGhostForTarget();
    var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
    var target = document.elementFromPoint(touch.clientX, touch.clientY);
    unhideGhostForTarget();

    if (toSortable && !toSortable.el.contains(target)) {
      dispatchSortableEvent('spill');
      this.onSpill({
        dragEl: dragEl,
        putSortable: putSortable
      });
    }
  };

  function Revert() {}

  Revert.prototype = {
    startIndex: null,
    dragStart: function dragStart(_ref2) {
      var oldDraggableIndex = _ref2.oldDraggableIndex;
      this.startIndex = oldDraggableIndex;
    },
    onSpill: function onSpill(_ref3) {
      var dragEl = _ref3.dragEl,
          putSortable = _ref3.putSortable;
      this.sortable.captureAnimationState();

      if (putSortable) {
        putSortable.captureAnimationState();
      }

      var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);

      if (nextSibling) {
        this.sortable.el.insertBefore(dragEl, nextSibling);
      } else {
        this.sortable.el.appendChild(dragEl);
      }

      this.sortable.animateAll();

      if (putSortable) {
        putSortable.animateAll();
      }
    },
    drop: drop
  };

  _extends(Revert, {
    pluginName: 'revertOnSpill'
  });

  function Remove() {}

  Remove.prototype = {
    onSpill: function onSpill(_ref4) {
      var dragEl = _ref4.dragEl,
          putSortable = _ref4.putSortable;
      var parentSortable = putSortable || this.sortable;
      parentSortable.captureAnimationState();
      dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
      parentSortable.animateAll();
    },
    drop: drop
  };

  _extends(Remove, {
    pluginName: 'removeOnSpill'
  });

  var lastSwapEl;

  function SwapPlugin() {
    function Swap() {
      this.defaults = {
        swapClass: 'sortable-swap-highlight'
      };
    }

    Swap.prototype = {
      dragStart: function dragStart(_ref) {
        var dragEl = _ref.dragEl;
        lastSwapEl = dragEl;
      },
      dragOverValid: function dragOverValid(_ref2) {
        var completed = _ref2.completed,
            target = _ref2.target,
            onMove = _ref2.onMove,
            activeSortable = _ref2.activeSortable,
            changed = _ref2.changed,
            cancel = _ref2.cancel;
        if (!activeSortable.options.swap) return;
        var el = this.sortable.el,
            options = this.options;

        if (target && target !== el) {
          var prevSwapEl = lastSwapEl;

          if (onMove(target) !== false) {
            toggleClass(target, options.swapClass, true);
            lastSwapEl = target;
          } else {
            lastSwapEl = null;
          }

          if (prevSwapEl && prevSwapEl !== lastSwapEl) {
            toggleClass(prevSwapEl, options.swapClass, false);
          }
        }

        changed();
        completed(true);
        cancel();
      },
      drop: function drop(_ref3) {
        var activeSortable = _ref3.activeSortable,
            putSortable = _ref3.putSortable,
            dragEl = _ref3.dragEl;
        var toSortable = putSortable || this.sortable;
        var options = this.options;
        lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);

        if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
          if (dragEl !== lastSwapEl) {
            toSortable.captureAnimationState();
            if (toSortable !== activeSortable) activeSortable.captureAnimationState();
            swapNodes(dragEl, lastSwapEl);
            toSortable.animateAll();
            if (toSortable !== activeSortable) activeSortable.animateAll();
          }
        }
      },
      nulling: function nulling() {
        lastSwapEl = null;
      }
    };
    return _extends(Swap, {
      pluginName: 'swap',
      eventProperties: function eventProperties() {
        return {
          swapItem: lastSwapEl
        };
      }
    });
  }

  function swapNodes(n1, n2) {
    var p1 = n1.parentNode,
        p2 = n2.parentNode,
        i1,
        i2;
    if (!p1 || !p2 || p1.isEqualNode(n2) || p2.isEqualNode(n1)) return;
    i1 = index(n1);
    i2 = index(n2);

    if (p1.isEqualNode(p2) && i1 < i2) {
      i2++;
    }

    p1.insertBefore(n2, p1.children[i1]);
    p2.insertBefore(n1, p2.children[i2]);
  }

  var multiDragElements = [],
      multiDragClones = [],
      lastMultiDragSelect,
      // for selection with modifier key down (SHIFT)
  multiDragSortable,
      initialFolding = false,
      // Initial multi-drag fold when drag started
  folding = false,
      // Folding any other time
  dragStarted = false,
      dragEl$1,
      clonesFromRect,
      clonesHidden;

  function MultiDragPlugin() {
    function MultiDrag(sortable) {
      // Bind all private methods
      for (var fn in this) {
        if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
          this[fn] = this[fn].bind(this);
        }
      }

      if (sortable.options.supportPointer) {
        on(document, 'pointerup', this._deselectMultiDrag);
      } else {
        on(document, 'mouseup', this._deselectMultiDrag);
        on(document, 'touchend', this._deselectMultiDrag);
      }

      on(document, 'keydown', this._checkKeyDown);
      on(document, 'keyup', this._checkKeyUp);
      this.defaults = {
        selectedClass: 'sortable-selected',
        multiDragKey: null,
        setData: function setData(dataTransfer, dragEl) {
          var data = '';

          if (multiDragElements.length && multiDragSortable === sortable) {
            multiDragElements.forEach(function (multiDragElement, i) {
              data += (!i ? '' : ', ') + multiDragElement.textContent;
            });
          } else {
            data = dragEl.textContent;
          }

          dataTransfer.setData('Text', data);
        }
      };
    }

    MultiDrag.prototype = {
      multiDragKeyDown: false,
      isMultiDrag: false,
      delayStartGlobal: function delayStartGlobal(_ref) {
        var dragged = _ref.dragEl;
        dragEl$1 = dragged;
      },
      delayEnded: function delayEnded() {
        this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1);
      },
      setupClone: function setupClone(_ref2) {
        var sortable = _ref2.sortable,
            cancel = _ref2.cancel;
        if (!this.isMultiDrag) return;

        for (var i = 0; i < multiDragElements.length; i++) {
          multiDragClones.push(clone(multiDragElements[i]));
          multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
          multiDragClones[i].draggable = false;
          multiDragClones[i].style['will-change'] = '';
          toggleClass(multiDragClones[i], this.options.selectedClass, false);
          multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
        }

        sortable._hideClone();

        cancel();
      },
      clone: function clone(_ref3) {
        var sortable = _ref3.sortable,
            rootEl = _ref3.rootEl,
            dispatchSortableEvent = _ref3.dispatchSortableEvent,
            cancel = _ref3.cancel;
        if (!this.isMultiDrag) return;

        if (!this.options.removeCloneOnHide) {
          if (multiDragElements.length && multiDragSortable === sortable) {
            insertMultiDragClones(true, rootEl);
            dispatchSortableEvent('clone');
            cancel();
          }
        }
      },
      showClone: function showClone(_ref4) {
        var cloneNowShown = _ref4.cloneNowShown,
            rootEl = _ref4.rootEl,
            cancel = _ref4.cancel;
        if (!this.isMultiDrag) return;
        insertMultiDragClones(false, rootEl);
        multiDragClones.forEach(function (clone) {
          css(clone, 'display', '');
        });
        cloneNowShown();
        clonesHidden = false;
        cancel();
      },
      hideClone: function hideClone(_ref5) {
        var _this = this;

        var sortable = _ref5.sortable,
            cloneNowHidden = _ref5.cloneNowHidden,
            cancel = _ref5.cancel;
        if (!this.isMultiDrag) return;
        multiDragClones.forEach(function (clone) {
          css(clone, 'display', 'none');

          if (_this.options.removeCloneOnHide && clone.parentNode) {
            clone.parentNode.removeChild(clone);
          }
        });
        cloneNowHidden();
        clonesHidden = true;
        cancel();
      },
      dragStartGlobal: function dragStartGlobal(_ref6) {
        var sortable = _ref6.sortable;

        if (!this.isMultiDrag && multiDragSortable) {
          multiDragSortable.multiDrag._deselectMultiDrag();
        }

        multiDragElements.forEach(function (multiDragElement) {
          multiDragElement.sortableIndex = index(multiDragElement);
        }); // Sort multi-drag elements

        multiDragElements = multiDragElements.sort(function (a, b) {
          return a.sortableIndex - b.sortableIndex;
        });
        dragStarted = true;
      },
      dragStarted: function dragStarted(_ref7) {
        var _this2 = this;

        var sortable = _ref7.sortable;
        if (!this.isMultiDrag) return;

        if (this.options.sort) {
          // Capture rects,
          // hide multi drag elements (by positioning them absolute),
          // set multi drag elements rects to dragRect,
          // show multi drag elements,
          // animate to rects,
          // unset rects & remove from DOM
          sortable.captureAnimationState();

          if (this.options.animation) {
            multiDragElements.forEach(function (multiDragElement) {
              if (multiDragElement === dragEl$1) return;
              css(multiDragElement, 'position', 'absolute');
            });
            var dragRect = getRect(dragEl$1, false, true, true);
            multiDragElements.forEach(function (multiDragElement) {
              if (multiDragElement === dragEl$1) return;
              setRect(multiDragElement, dragRect);
            });
            folding = true;
            initialFolding = true;
          }
        }

        sortable.animateAll(function () {
          folding = false;
          initialFolding = false;

          if (_this2.options.animation) {
            multiDragElements.forEach(function (multiDragElement) {
              unsetRect(multiDragElement);
            });
          } // Remove all auxiliary multidrag items from el, if sorting enabled


          if (_this2.options.sort) {
            removeMultiDragElements();
          }
        });
      },
      dragOver: function dragOver(_ref8) {
        var target = _ref8.target,
            completed = _ref8.completed,
            cancel = _ref8.cancel;

        if (folding && ~multiDragElements.indexOf(target)) {
          completed(false);
          cancel();
        }
      },
      revert: function revert(_ref9) {
        var fromSortable = _ref9.fromSortable,
            rootEl = _ref9.rootEl,
            sortable = _ref9.sortable,
            dragRect = _ref9.dragRect;

        if (multiDragElements.length > 1) {
          // Setup unfold animation
          multiDragElements.forEach(function (multiDragElement) {
            sortable.addAnimationState({
              target: multiDragElement,
              rect: folding ? getRect(multiDragElement) : dragRect
            });
            unsetRect(multiDragElement);
            multiDragElement.fromRect = dragRect;
            fromSortable.removeAnimationState(multiDragElement);
          });
          folding = false;
          insertMultiDragElements(!this.options.removeCloneOnHide, rootEl);
        }
      },
      dragOverCompleted: function dragOverCompleted(_ref10) {
        var sortable = _ref10.sortable,
            isOwner = _ref10.isOwner,
            insertion = _ref10.insertion,
            activeSortable = _ref10.activeSortable,
            parentEl = _ref10.parentEl,
            putSortable = _ref10.putSortable;
        var options = this.options;

        if (insertion) {
          // Clones must be hidden before folding animation to capture dragRectAbsolute properly
          if (isOwner) {
            activeSortable._hideClone();
          }

          initialFolding = false; // If leaving sort:false root, or already folding - Fold to new location

          if (options.animation && multiDragElements.length > 1 && (folding || !isOwner && !activeSortable.options.sort && !putSortable)) {
            // Fold: Set all multi drag elements's rects to dragEl's rect when multi-drag elements are invisible
            var dragRectAbsolute = getRect(dragEl$1, false, true, true);
            multiDragElements.forEach(function (multiDragElement) {
              if (multiDragElement === dragEl$1) return;
              setRect(multiDragElement, dragRectAbsolute); // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
              // while folding, and so that we can capture them again because old sortable will no longer be fromSortable

              parentEl.appendChild(multiDragElement);
            });
            folding = true;
          } // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out


          if (!isOwner) {
            // Only remove if not folding (folding will remove them anyways)
            if (!folding) {
              removeMultiDragElements();
            }

            if (multiDragElements.length > 1) {
              var clonesHiddenBefore = clonesHidden;

              activeSortable._showClone(sortable); // Unfold animation for clones if showing from hidden


              if (activeSortable.options.animation && !clonesHidden && clonesHiddenBefore) {
                multiDragClones.forEach(function (clone) {
                  activeSortable.addAnimationState({
                    target: clone,
                    rect: clonesFromRect
                  });
                  clone.fromRect = clonesFromRect;
                  clone.thisAnimationDuration = null;
                });
              }
            } else {
              activeSortable._showClone(sortable);
            }
          }
        }
      },
      dragOverAnimationCapture: function dragOverAnimationCapture(_ref11) {
        var dragRect = _ref11.dragRect,
            isOwner = _ref11.isOwner,
            activeSortable = _ref11.activeSortable;
        multiDragElements.forEach(function (multiDragElement) {
          multiDragElement.thisAnimationDuration = null;
        });

        if (activeSortable.options.animation && !isOwner && activeSortable.multiDrag.isMultiDrag) {
          clonesFromRect = _extends({}, dragRect);
          var dragMatrix = matrix(dragEl$1, true);
          clonesFromRect.top -= dragMatrix.f;
          clonesFromRect.left -= dragMatrix.e;
        }
      },
      dragOverAnimationComplete: function dragOverAnimationComplete() {
        if (folding) {
          folding = false;
          removeMultiDragElements();
        }
      },
      drop: function drop(_ref12) {
        var evt = _ref12.originalEvent,
            rootEl = _ref12.rootEl,
            parentEl = _ref12.parentEl,
            sortable = _ref12.sortable,
            dispatchSortableEvent = _ref12.dispatchSortableEvent,
            oldIndex = _ref12.oldIndex,
            putSortable = _ref12.putSortable;
        var toSortable = putSortable || this.sortable;
        if (!evt) return;
        var options = this.options,
            children = parentEl.children; // Multi-drag selection

        if (!dragStarted) {
          if (options.multiDragKey && !this.multiDragKeyDown) {
            this._deselectMultiDrag();
          }

          toggleClass(dragEl$1, options.selectedClass, !~multiDragElements.indexOf(dragEl$1));

          if (!~multiDragElements.indexOf(dragEl$1)) {
            multiDragElements.push(dragEl$1);
            dispatchEvent({
              sortable: sortable,
              rootEl: rootEl,
              name: 'select',
              targetEl: dragEl$1,
              originalEvt: evt
            }); // Modifier activated, select from last to dragEl

            if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
              var lastIndex = index(lastMultiDragSelect),
                  currentIndex = index(dragEl$1);

              if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
                // Must include lastMultiDragSelect (select it), in case modified selection from no selection
                // (but previous selection existed)
                var n, i;

                if (currentIndex > lastIndex) {
                  i = lastIndex;
                  n = currentIndex;
                } else {
                  i = currentIndex;
                  n = lastIndex + 1;
                }

                for (; i < n; i++) {
                  if (~multiDragElements.indexOf(children[i])) continue;
                  toggleClass(children[i], options.selectedClass, true);
                  multiDragElements.push(children[i]);
                  dispatchEvent({
                    sortable: sortable,
                    rootEl: rootEl,
                    name: 'select',
                    targetEl: children[i],
                    originalEvt: evt
                  });
                }
              }
            } else {
              lastMultiDragSelect = dragEl$1;
            }

            multiDragSortable = toSortable;
          } else {
            multiDragElements.splice(multiDragElements.indexOf(dragEl$1), 1);
            lastMultiDragSelect = null;
            dispatchEvent({
              sortable: sortable,
              rootEl: rootEl,
              name: 'deselect',
              targetEl: dragEl$1,
              originalEvt: evt
            });
          }
        } // Multi-drag drop


        if (dragStarted && this.isMultiDrag) {
          // Do not "unfold" after around dragEl if reverted
          if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
            var dragRect = getRect(dragEl$1),
                multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
            if (!initialFolding && options.animation) dragEl$1.thisAnimationDuration = null;
            toSortable.captureAnimationState();

            if (!initialFolding) {
              if (options.animation) {
                dragEl$1.fromRect = dragRect;
                multiDragElements.forEach(function (multiDragElement) {
                  multiDragElement.thisAnimationDuration = null;

                  if (multiDragElement !== dragEl$1) {
                    var rect = folding ? getRect(multiDragElement) : dragRect;
                    multiDragElement.fromRect = rect; // Prepare unfold animation

                    toSortable.addAnimationState({
                      target: multiDragElement,
                      rect: rect
                    });
                  }
                });
              } // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
              // properly they must all be removed


              removeMultiDragElements();
              multiDragElements.forEach(function (multiDragElement) {
                if (children[multiDragIndex]) {
                  parentEl.insertBefore(multiDragElement, children[multiDragIndex]);
                } else {
                  parentEl.appendChild(multiDragElement);
                }

                multiDragIndex++;
              }); // If initial folding is done, the elements may have changed position because they are now
              // unfolding around dragEl, even though dragEl may not have his index changed, so update event
              // must be fired here as Sortable will not.

              if (oldIndex === index(dragEl$1)) {
                var update = false;
                multiDragElements.forEach(function (multiDragElement) {
                  if (multiDragElement.sortableIndex !== index(multiDragElement)) {
                    update = true;
                    return;
                  }
                });

                if (update) {
                  dispatchSortableEvent('update');
                }
              }
            } // Must be done after capturing individual rects (scroll bar)


            multiDragElements.forEach(function (multiDragElement) {
              unsetRect(multiDragElement);
            });
            toSortable.animateAll();
          }

          multiDragSortable = toSortable;
        } // Remove clones if necessary


        if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
          multiDragClones.forEach(function (clone) {
            clone.parentNode && clone.parentNode.removeChild(clone);
          });
        }
      },
      nullingGlobal: function nullingGlobal() {
        this.isMultiDrag = dragStarted = false;
        multiDragClones.length = 0;
      },
      destroyGlobal: function destroyGlobal() {
        this._deselectMultiDrag();

        off(document, 'pointerup', this._deselectMultiDrag);
        off(document, 'mouseup', this._deselectMultiDrag);
        off(document, 'touchend', this._deselectMultiDrag);
        off(document, 'keydown', this._checkKeyDown);
        off(document, 'keyup', this._checkKeyUp);
      },
      _deselectMultiDrag: function _deselectMultiDrag(evt) {
        if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable

        if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable

        if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click

        if (evt && evt.button !== 0) return;

        while (multiDragElements.length) {
          var el = multiDragElements[0];
          toggleClass(el, this.options.selectedClass, false);
          multiDragElements.shift();
          dispatchEvent({
            sortable: this.sortable,
            rootEl: this.sortable.el,
            name: 'deselect',
            targetEl: el,
            originalEvt: evt
          });
        }
      },
      _checkKeyDown: function _checkKeyDown(evt) {
        if (evt.key === this.options.multiDragKey) {
          this.multiDragKeyDown = true;
        }
      },
      _checkKeyUp: function _checkKeyUp(evt) {
        if (evt.key === this.options.multiDragKey) {
          this.multiDragKeyDown = false;
        }
      }
    };
    return _extends(MultiDrag, {
      // Static methods & properties
      pluginName: 'multiDrag',
      utils: {
        /**
         * Selects the provided multi-drag item
         * @param  {HTMLElement} el    The element to be selected
         */
        select: function select(el) {
          var sortable = el.parentNode[expando];
          if (!sortable || !sortable.options.multiDrag || ~multiDragElements.indexOf(el)) return;

          if (multiDragSortable && multiDragSortable !== sortable) {
            multiDragSortable.multiDrag._deselectMultiDrag();

            multiDragSortable = sortable;
          }

          toggleClass(el, sortable.options.selectedClass, true);
          multiDragElements.push(el);
        },

        /**
         * Deselects the provided multi-drag item
         * @param  {HTMLElement} el    The element to be deselected
         */
        deselect: function deselect(el) {
          var sortable = el.parentNode[expando],
              index = multiDragElements.indexOf(el);
          if (!sortable || !sortable.options.multiDrag || !~index) return;
          toggleClass(el, sortable.options.selectedClass, false);
          multiDragElements.splice(index, 1);
        }
      },
      eventProperties: function eventProperties() {
        var _this3 = this;

        var oldIndicies = [],
            newIndicies = [];
        multiDragElements.forEach(function (multiDragElement) {
          oldIndicies.push({
            multiDragElement: multiDragElement,
            index: multiDragElement.sortableIndex
          }); // multiDragElements will already be sorted if folding

          var newIndex;

          if (folding && multiDragElement !== dragEl$1) {
            newIndex = -1;
          } else if (folding) {
            newIndex = index(multiDragElement, ':not(.' + _this3.options.selectedClass + ')');
          } else {
            newIndex = index(multiDragElement);
          }

          newIndicies.push({
            multiDragElement: multiDragElement,
            index: newIndex
          });
        });
        return {
          items: _toConsumableArray(multiDragElements),
          clones: [].concat(multiDragClones),
          oldIndicies: oldIndicies,
          newIndicies: newIndicies
        };
      },
      optionListeners: {
        multiDragKey: function multiDragKey(key) {
          key = key.toLowerCase();

          if (key === 'ctrl') {
            key = 'Control';
          } else if (key.length > 1) {
            key = key.charAt(0).toUpperCase() + key.substr(1);
          }

          return key;
        }
      }
    });
  }

  function insertMultiDragElements(clonesInserted, rootEl) {
    multiDragElements.forEach(function (multiDragElement, i) {
      var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];

      if (target) {
        rootEl.insertBefore(multiDragElement, target);
      } else {
        rootEl.appendChild(multiDragElement);
      }
    });
  }
  /**
   * Insert multi-drag clones
   * @param  {[Boolean]} elementsInserted  Whether the multi-drag elements are inserted
   * @param  {HTMLElement} rootEl
   */


  function insertMultiDragClones(elementsInserted, rootEl) {
    multiDragClones.forEach(function (clone, i) {
      var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];

      if (target) {
        rootEl.insertBefore(clone, target);
      } else {
        rootEl.appendChild(clone);
      }
    });
  }

  function removeMultiDragElements() {
    multiDragElements.forEach(function (multiDragElement) {
      if (multiDragElement === dragEl$1) return;
      multiDragElement.parentNode && multiDragElement.parentNode.removeChild(multiDragElement);
    });
  }

  Sortable.mount(new AutoScrollPlugin());
  Sortable.mount(Remove, Revert);

  Sortable.mount(new SwapPlugin());
  Sortable.mount(new MultiDragPlugin());

  return Sortable;

}));

 src/main/webapp/static/layui/lay/modules/formDesigner/Sortable/Sortable.min.js

New file
@@ -0,0 +1,2 @@
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 M(t,e){K(t,f,I({evt:n,isOwner:u,axis:a?"vertical":"horizontal",revert:r,dragRect:o,targetRect:i,canSort:d,fromSortable:h,target:s,completed:A,onMove:function(t,e){return Xt(q,l,z,o,t,X(t),n,e)},changed:N},e))}function O(){M("dragOverAnimationCapture"),f.captureAnimationState(),f!==h&&h.captureAnimationState()}function A(t){return M("dragOverCompleted",{insertion:t}),t&&(u?c._hideClone():c._showClone(f),f!==h&&(k(z,it?it.options.ghostClass:c.options.ghostClass,!1),k(z,e.ghostClass,!0)),it!==f&&f!==Rt.active?it=f:f===Rt.active&&it&&(it=null),h===f&&(f._ignoreWhileAnimating=s),f.animateAll(function(){M("dragOverAnimationComplete"),f._ignoreWhileAnimating=null}),f!==h&&(h.animateAll(),h._ignoreWhileAnimating=null)),(s===z&&!z.animated||s===l&&!s.animated)&&(ht=null),e.dragoverBubble||n.rootEl||s===document||(z.parentNode[j]._isOutsideThisEl(n.target),t||Pt(n)),!e.dragoverBubble&&n.stopPropagation&&n.stopPropagation(),p=!0}function N(){tt=F(z),nt=F(z,e.draggable),W({sortable:f,name:"change",toEl:l,newIndex:tt,newDraggableIndex:nt,originalEvent:n})}},_ignoreWhileAnimating:null,_offMoveEvents:function(){d(document,"mousemove",this._onTouchMove),d(document,"touchmove",this._onTouchMove),d(document,"pointermove",this._onTouchMove),d(document,"dragover",Pt),d(document,"mousemove",Pt),d(document,"touchmove",Pt)},_offUpEvents:function(){var t=this.el.ownerDocument;d(t,"mouseup",this._onDrop),d(t,"touchend",this._onDrop),d(t,"pointerup",this._onDrop),d(t,"touchcancel",this._onDrop),d(document,"selectstart",this)},_onDrop:function(t){var e=this.el,n=this.options;tt=F(z),nt=F(z,n.draggable),K("drop",this,{evt:t}),G=z&&z.parentNode,tt=F(z),nt=F(z,n.draggable),Rt.eventCanceled||(yt=wt=vt=!1,clearInterval(this._loopId),clearTimeout(this._dragStartTimer),Lt(this.cloneId),Lt(this._dragStartId),this.nativeDraggable&&(d(document,"drop",this),d(e,"dragstart",this._onDragStart)),this._offMoveEvents(),this._offUpEvents(),s&&R(document.body,"user-select",""),R(z,"transform",""),t&&(dt&&(t.cancelable&&t.preventDefault(),n.dropBubble||t.stopPropagation()),U&&U.parentNode&&U.parentNode.removeChild(U),(q===G||it&&"clone"!==it.lastPutMode)&&Q&&Q.parentNode&&Q.parentNode.removeChild(Q),z&&(this.nativeDraggable&&d(z,"dragend",this),Yt(z),z.style["will-change"]="",dt&&!vt&&k(z,it?it.options.ghostClass:this.options.ghostClass,!1),k(z,this.options.chosenClass,!1),W({sortable:this,name:"unchoose",toEl:G,newIndex:null,newDraggableIndex:null,originalEvent:t}),q!==G?(0<=tt&&(W({rootEl:G,name:"add",toEl:G,fromEl:q,originalEvent:t}),W({sortable:this,name:"remove",toEl:G,originalEvent:t}),W({rootEl:G,name:"sort",toEl:G,fromEl:q,originalEvent:t}),W({sortable:this,name:"sort",toEl:G,originalEvent:t})),it&&it.save()):tt!==J&&0<=tt&&(W({sortable:this,name:"update",toEl:G,originalEvent:t}),W({sortable:this,name:"sort",toEl:G,originalEvent:t})),Rt.active&&(null!=tt&&-1!==tt||(tt=J,nt=et),W({sortable:this,name:"end",toEl:G,originalEvent:t}),this.save())))),this._nulling()},_nulling:function(){K("nulling",this),q=z=G=U=V=Q=Z=$=rt=at=dt=tt=nt=J=et=ht=ft=it=ot=Rt.dragged=Rt.ghost=Rt.clone=Rt.active=null,St.forEach(function(t){t.checked=!0}),St.length=lt=st=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragenter":case"dragover":z&&(this._onDragOver(t),function(t){t.dataTransfer&&(t.dataTransfer.dropEffect="move");t.cancelable&&t.preventDefault()}(t));break;case"selectstart":t.preventDefault()}},toArray:function(){for(var t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||Ft(t));return e},sort:function(t){var o={},i=this.el;this.toArray().forEach(function(t,e){var n=i.children[e];P(n,this.options.draggable,i,!1)&&(o[t]=n)},this),t.forEach(function(t){o[t]&&(i.removeChild(o[t]),i.appendChild(o[t]))})},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=O.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&At(n)},destroy:function(){K("destroy",this);var t=this.el;t[j]=null,d(t,"mousedown",this._onTapStart),d(t,"touchstart",this._onTapStart),d(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(d(t,"dragover",this),d(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),this._disableDelayedDragEvents(),bt.splice(bt.indexOf(this.el),1),this.el=t=null},_hideClone:function(){if(!$){if(K("hideClone",this),Rt.eventCanceled)return;R(Q,"display","none"),this.options.removeCloneOnHide&&Q.parentNode&&Q.parentNode.removeChild(Q),$=!0}},_showClone:function(t){if("clone"===t.lastPutMode){if($){if(K("showClone",this),Rt.eventCanceled)return;q.contains(z)&&!this.options.group.revertClone?q.insertBefore(Q,z):V?q.insertBefore(Q,V):q.appendChild(Q),this.options.group.revertClone&&this.animate(z,Q),R(Q,"display",""),$=!1}}else this._hideClone()}},_t&&u(document,"touchmove",function(t){(Rt.active||vt)&&t.cancelable&&t.preventDefault()}),Rt.utils={on:u,off:d,css:R,find:g,is:function(t,e){return!!P(t,e,t,!1)},extend:function(t,e){if(t&&e)for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n]);return t},throttle:D,closest:P,toggleClass:k,clone:S,index:F,nextTick:Ht,cancelNextTick:Lt,detectDirection:Ot,getChild:m},Rt.get=function(t){return t[j]},Rt.mount=function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];e[0].constructor===Array&&(e=e[0]),e.forEach(function(t){if(!t.prototype||!t.prototype.constructor)throw"Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(t));t.utils&&(Rt.utils=I({},Rt.utils,t.utils)),O.mount(t)})},Rt.create=function(t,e){return new Rt(t,e)};var jt,Kt,Wt,zt,Gt,Ut,qt=[],Vt=!(Rt.version="1.10.2");function Zt(){qt.forEach(function(t){clearInterval(t.pid)}),qt=[]}function Qt(){clearInterval(Ut)}function $t(t){var e=t.originalEvent,n=t.putSortable,o=t.dragEl,i=t.activeSortable,r=t.dispatchSortableEvent,a=t.hideGhostForTarget,l=t.unhideGhostForTarget;if(e){var s=n||i;a();var c=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,u=document.elementFromPoint(c.clientX,c.clientY);l(),s&&!s.el.contains(u)&&(r("spill"),this.onSpill({dragEl:o,putSortable:n}))}}var Jt,te=D(function(n,t,e,o){if(t.scroll){var i,r=(n.touches?n.touches[0]:n).clientX,a=(n.touches?n.touches[0]:n).clientY,l=t.scrollSensitivity,s=t.scrollSpeed,c=N(),u=!1;Kt!==e&&(Kt=e,Zt(),jt=t.scroll,i=t.scrollFn,!0===jt&&(jt=H(e,!0)));var d=0,h=jt;do{var f=h,p=X(f),g=p.top,v=p.bottom,m=p.left,b=p.right,y=p.width,w=p.height,E=void 0,D=void 0,S=f.scrollWidth,_=f.scrollHeight,C=R(f),T=f.scrollLeft,x=f.scrollTop;D=f===c?(E=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX||"visible"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY||"visible"===C.overflowY)):(E=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY));var M=E&&(Math.abs(b-r)<=l&&T+y<S)-(Math.abs(m-r)<=l&&!!T),O=D&&(Math.abs(v-a)<=l&&x+w<_)-(Math.abs(g-a)<=l&&!!x);if(!qt[d])for(var A=0;A<=d;A++)qt[A]||(qt[A]={});qt[d].vx==M&&qt[d].vy==O&&qt[d].el===f||(qt[d].el=f,qt[d].vx=M,qt[d].vy=O,clearInterval(qt[d].pid),0==M&&0==O||(u=!0,qt[d].pid=setInterval(function(){o&&0===this.layer&&Rt.active._onTouchMove(Gt);var t=qt[this.layer].vy?qt[this.layer].vy*s:0,e=qt[this.layer].vx?qt[this.layer].vx*s:0;"function"==typeof i&&"continue"!==i.call(Rt.dragged.parentNode[j],e,t,n,Gt,qt[this.layer].el)||L(qt[this.layer].el,e,t)}.bind({layer:d}),24))),d++}while(t.bubbleScroll&&h!==c&&(h=H(h,!1)));Vt=u}},30);function ee(){}function ne(){}ee.prototype={startIndex:null,dragStart:function(t){var e=t.oldDraggableIndex;this.startIndex=e},onSpill:function(t){var e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();var o=m(this.sortable.el,this.startIndex,this.options);o?this.sortable.el.insertBefore(e,o):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:$t},a(ee,{pluginName:"revertOnSpill"}),ne.prototype={onSpill:function(t){var e=t.dragEl,n=t.putSortable||this.sortable;n.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),n.animateAll()},drop:$t},a(ne,{pluginName:"removeOnSpill"});var oe,ie,re,ae,le,se=[],ce=[],ue=!1,de=!1,he=!1;function fe(o,i){ce.forEach(function(t,e){var n=i.children[t.sortableIndex+(o?Number(e):0)];n?i.insertBefore(t,n):i.appendChild(t)})}function pe(){se.forEach(function(t){t!==re&&t.parentNode&&t.parentNode.removeChild(t)})}return Rt.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this))}return t.prototype={dragStarted:function(t){var e=t.originalEvent;this.sortable.nativeDraggable?u(document,"dragover",this._handleAutoScroll):this.options.supportPointer?u(document,"pointermove",this._handleFallbackAutoScroll):e.touches?u(document,"touchmove",this._handleFallbackAutoScroll):u(document,"mousemove",this._handleFallbackAutoScroll)},dragOverCompleted:function(t){var e=t.originalEvent;this.options.dragOverBubble||e.rootEl||this._handleAutoScroll(e)},drop:function(){this.sortable.nativeDraggable?d(document,"dragover",this._handleAutoScroll):(d(document,"pointermove",this._handleFallbackAutoScroll),d(document,"touchmove",this._handleFallbackAutoScroll),d(document,"mousemove",this._handleFallbackAutoScroll)),Qt(),Zt(),clearTimeout(f),f=void 0},nulling:function(){Gt=Kt=jt=Vt=Ut=Wt=zt=null,qt.length=0},_handleFallbackAutoScroll:function(t){this._handleAutoScroll(t,!0)},_handleAutoScroll:function(e,n){var o=this,i=(e.touches?e.touches[0]:e).clientX,r=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(i,r);if(Gt=e,n||E||w||s){te(e,this.options,t,n);var a=H(t,!0);!Vt||Ut&&i===Wt&&r===zt||(Ut&&Qt(),Ut=setInterval(function(){var t=H(document.elementFromPoint(i,r),!0);t!==a&&(a=t,Zt()),te(e,o.options,t,n)},10),Wt=i,zt=r)}else{if(!this.options.bubbleScroll||H(t,!0)===N())return void Zt();te(e,this.options,H(t,!1),!1)}}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),Rt.mount(ne,ee),Rt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){var e=t.dragEl;Jt=e},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;if(i.options.swap){var l=this.sortable.el,s=this.options;if(n&&n!==l){var c=Jt;Jt=!1!==o(n)?(k(n,s.swapClass,!0),n):null,c&&c!==Jt&&k(c,s.swapClass,!1)}r(),e(!0),a()}},drop:function(t){var e=t.activeSortable,n=t.putSortable,o=t.dragEl,i=n||this.sortable,r=this.options;Jt&&k(Jt,r.swapClass,!1),Jt&&(r.swap||n&&n.options.swap)&&o!==Jt&&(i.captureAnimationState(),i!==e&&e.captureAnimationState(),function(t,e){var n,o,i=t.parentNode,r=e.parentNode;if(!i||!r||i.isEqualNode(e)||r.isEqualNode(t))return;n=F(t),o=F(e),i.isEqualNode(r)&&n<o&&o++;i.insertBefore(e,i.children[n]),r.insertBefore(t,r.children[o])}(o,Jt),i.animateAll(),i!==e&&e.animateAll())},nulling:function(){Jt=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:Jt}}})}),Rt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.supportPointer?u(document,"pointerup",this._deselectMultiDrag):(u(document,"mouseup",this._deselectMultiDrag),u(document,"touchend",this._deselectMultiDrag)),u(document,"keydown",this._checkKeyDown),u(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,setData:function(t,e){var n="";se.length&&ie===o?se.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){var e=t.dragEl;re=e},delayEnded:function(){this.isMultiDrag=~se.indexOf(re)},setupClone:function(t){var e=t.sortable,n=t.cancel;if(this.isMultiDrag){for(var o=0;o<se.length;o++)ce.push(S(se[o])),ce[o].sortableIndex=se[o].sortableIndex,ce[o].draggable=!1,ce[o].style["will-change"]="",k(ce[o],this.options.selectedClass,!1),se[o]===re&&k(ce[o],this.options.chosenClass,!1);e._hideClone(),n()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,i=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||se.length&&ie===e&&(fe(!0,n),o("clone"),i()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,o=t.cancel;this.isMultiDrag&&(fe(!1,n),ce.forEach(function(t){R(t,"display","")}),e(),le=!1,o())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),o=t.cancel;this.isMultiDrag&&(ce.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),le=!0,o())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&ie&&ie.multiDrag._deselectMultiDrag(),se.forEach(function(t){t.sortableIndex=F(t)}),se=se.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),he=!0},dragStarted:function(t){var e=this,n=t.sortable;if(this.isMultiDrag){if(this.options.sort&&(n.captureAnimationState(),this.options.animation)){se.forEach(function(t){t!==re&&R(t,"position","absolute")});var o=X(re,!1,!0,!0);se.forEach(function(t){t!==re&&_(t,o)}),ue=de=!0}n.animateAll(function(){ue=de=!1,e.options.animation&&se.forEach(function(t){C(t)}),e.options.sort&&pe()})}},dragOver:function(t){var e=t.target,n=t.completed,o=t.cancel;de&&~se.indexOf(e)&&(n(!1),o())},revert:function(t){var e=t.fromSortable,n=t.rootEl,o=t.sortable,i=t.dragRect;1<se.length&&(se.forEach(function(t){o.addAnimationState({target:t,rect:de?X(t):i}),C(t),t.fromRect=i,e.removeAnimationState(t)}),de=!1,function(o,i){se.forEach(function(t,e){var n=i.children[t.sortableIndex+(o?Number(e):0)];n?i.insertBefore(t,n):i.appendChild(t)})}(!this.options.removeCloneOnHide,n))},dragOverCompleted:function(t){var e=t.sortable,n=t.isOwner,o=t.insertion,i=t.activeSortable,r=t.parentEl,a=t.putSortable,l=this.options;if(o){if(n&&i._hideClone(),ue=!1,l.animation&&1<se.length&&(de||!n&&!i.options.sort&&!a)){var s=X(re,!1,!0,!0);se.forEach(function(t){t!==re&&(_(t,s),r.appendChild(t))}),de=!0}if(!n)if(de||pe(),1<se.length){var c=le;i._showClone(e),i.options.animation&&!le&&c&&ce.forEach(function(t){i.addAnimationState({target:t,rect:ae}),t.fromRect=ae,t.thisAnimationDuration=null})}else i._showClone(e)}},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,o=t.activeSortable;if(se.forEach(function(t){t.thisAnimationDuration=null}),o.options.animation&&!n&&o.multiDrag.isMultiDrag){ae=a({},e);var i=v(re,!0);ae.top-=i.f,ae.left-=i.e}},dragOverAnimationComplete:function(){de&&(de=!1,pe())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c=this.options,u=o.children;if(!he)if(c.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(re,c.selectedClass,!~se.indexOf(re)),~se.indexOf(re))se.splice(se.indexOf(re),1),oe=null,A({sortable:i,rootEl:n,name:"deselect",targetEl:re,originalEvt:e});else{if(se.push(re),A({sortable:i,rootEl:n,name:"select",targetEl:re,originalEvt:e}),e.shiftKey&&oe&&i.el.contains(oe)){var d,h,f=F(oe),p=F(re);if(~f&&~p&&f!==p)for(d=f<p?(h=f,p):(h=p,f+1);h<d;h++)~se.indexOf(u[h])||(k(u[h],c.selectedClass,!0),se.push(u[h]),A({sortable:i,rootEl:n,name:"select",targetEl:u[h],originalEvt:e}))}else oe=re;ie=s}if(he&&this.isMultiDrag){if((o[j].options.sort||o!==n)&&1<se.length){var g=X(re),v=F(re,":not(."+this.options.selectedClass+")");if(!ue&&c.animation&&(re.thisAnimationDuration=null),s.captureAnimationState(),!ue&&(c.animation&&(re.fromRect=g,se.forEach(function(t){if(t.thisAnimationDuration=null,t!==re){var e=de?X(t):g;t.fromRect=e,s.addAnimationState({target:t,rect:e})}})),pe(),se.forEach(function(t){u[v]?o.insertBefore(t,u[v]):o.appendChild(t),v++}),a===F(re))){var m=!1;se.forEach(function(t){t.sortableIndex===F(t)||(m=!0)}),m&&r("update")}se.forEach(function(t){C(t)}),s.animateAll()}ie=s}(n===o||l&&"clone"!==l.lastPutMode)&&ce.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=he=!1,ce.length=0},destroyGlobal:function(){this._deselectMultiDrag(),d(document,"pointerup",this._deselectMultiDrag),d(document,"mouseup",this._deselectMultiDrag),d(document,"touchend",this._deselectMultiDrag),d(document,"keydown",this._checkKeyDown),d(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==he&&he||ie!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;se.length;){var e=se[0];k(e,this.options.selectedClass,!1),se.shift(),A({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvt:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[j];e&&e.options.multiDrag&&!~se.indexOf(t)&&(ie&&ie!==e&&(ie.multiDrag._deselectMultiDrag(),ie=e),k(t,e.options.selectedClass,!0),se.push(t))},deselect:function(t){var e=t.parentNode[j],n=se.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),se.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return se.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=de&&t!==re?-1:de?F(t,":not(."+n.options.selectedClass+")"):F(t),i.push({multiDragElement:t,index:e})}),{items:e(se),clones:[].concat(ce),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Rt});

 src/main/webapp/static/layui/lay/modules/formDesigner/cron.css

New file
@@ -0,0 +1,178 @@

/* 样式加载完毕的标识 */
html #layuicss-cron {
    display: none;
    position: absolute;
    width: 1989px;
}


/* 主体结构 */
.layui-cron {
    position: absolute;
    z-index: 1000;
    margin: 5px 0;
    border-radius: 2px;
    font-size: 14px;
    -webkit-animation-duration: 0.3s;
    animation-duration: 0.3s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
    background-color: white;
    display: flex;
    flex-direction: column;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 2px 5px 0px;
    -webkit-animation-name: cron-upbit;
    animation-name: cron-upbit;
    border: 1px solid #e6e6e6;
}

@-webkit-keyframes cron-upbit {

    /* 微微往上滑入 */
    from {
        -webkit-transform: translate3d(0, 20px, 0);
        opacity: 0.3;
    }

    to {
        -webkit-transform: translate3d(0, 0, 0);
        opacity: 1;
    }
}

@keyframes cron-upbit {
    from {
        transform: translate3d(0, 20px, 0);
        opacity: 0.3;
    }

    to {
        transform: translate3d(0, 0, 0);
        opacity: 1;
    }
}

/* tabs */
.layui-cron>.layui-tab {
    margin: 0;
    box-shadow: none;
    border: none;
}

/* 表达式 */
.cron-title {
    font-weight: 700;
    font-size: 14px;
    margin: 10px;
    margin-bottom: 0;
}

.cron-box {
    margin: 10px;
}

.cron-box+.cron-box {
    margin-top: 0;
}

/* 按钮 */
.cron-footer-btns {
    text-align: right;
}

.cron-footer-btns span {
    height: 26px;
    line-height: 26px;
    margin: 0 0 0 -1px;
    padding: 0 10px;
    border: 1px solid #C9C9C9;
    background-color: #fff;
    white-space: nowrap;
    vertical-align: top;
    border-radius: 2px;
    display: inline-block;
    cursor: pointer;
    font-size: 12px;
    box-sizing: border-box;
    color: #666;
}

.cron-footer-btns span:hover {
    color: #5FB878;
}


/* 表单 */
.layui-cron .layui-form-radio {
    margin-right: 0;
}

.cron-form {
    line-height: 28px;
    font-size: 14px;
}

.cron-input-mid {
    display: inline-block;
    vertical-align: middle;
    margin-top: 6px;
    background-color: #e5e5e5;
    padding: 0 12px;
    height: 28px;
    line-height: 28px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

.cron-input {
    display: inline-block;
    vertical-align: middle;
    margin-top: 6px;
    padding: 0 8px;
    background-color: #fff;
    border: 1px solid #ccc;
    height: 28px;
    line-height: 28px;
    box-sizing: border-box;
    width: 80px;
    -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
    -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
    transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
    transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
    transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
}

.cron-input:focus {
    outline: 0;
    border: 1px solid #01AAED;
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 4px 0px #01AAED;
    translate: 1s;
}

.layui-cron .layui-form-checkbox[lay-skin="primary"] span {
    padding-right: 10px;
    min-width: 16px;
}

.layui-cron .layui-form-checkbox[lay-skin="primary"] {
    padding-left: 22px;
    margin-top: 5px;
}
.layui-cron input[type=number] {
    -moz-appearance:textfield;
}
.layui-cron input[type=number]::-webkit-inner-spin-button,
.layui-cron input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.cron-tips{
    color: grey;
    line-height: 28px;
    height: 28px;
    display: inline-block;
    vertical-align: middle;
    margin-top: 8px;
    margin-left: 5px;
}

 src/main/webapp/static/layui/lay/modules/formDesigner/formDesigner.css

New file
@@ -0,0 +1,779 @@
.layui-layout-admin .layui-logo {
    color    : #fff;
    font-size: 20px;
}

.layui-side-right {
    position  : fixed;
    right     : 0;
    top       : 0;
    bottom    : 0;
    z-index   : 999;
    width     : 350px;
    overflow-x: hidden
}

.layui-layout-admin .layui-side {
    top       : 60px;
    width     : 260px;
    overflow-x: hidden
}

.layui-layout-admin .layui-side-right {
    top       : 60px;
    width     : 350px;
    overflow-x: hidden
}

.layui-body {
    position    : absolute;
    left        : 260px;
    right       : 350px;
    top         : 0;
    bottom      : 0;
    z-index     : 998;
    width       : auto;
    overflow-y  : auto;
    box-sizing  : border-box;
    min-width   : 250px;
    border-left : 1px solid #e6e6e6;
    border-right: 1px solid #e6e6e6;
}

.layui-layout-admin .layui-body {
    bottom: 0;
}

/* components-list*/

.components-list {
    padding           : 4px;
    -webkit-box-sizing: border-box;
    box-sizing        : border-box;
    height            : 100%
}

.components-list .components-item {
    display           : inline-block;
    width             : 49%;
    margin            : 0.5%;
    margin-top        : 5px;
    -webkit-transition: -webkit-transform 0ms !important;
    transition        : -webkit-transform 0ms !important;
    transition        : transform 0ms !important;
    transition        : transform 0ms, -webkit-transform 0ms !important
}

.components-draggable {
    padding-bottom: 20px
}

.components-title {
    font-size: 14px;
    color    : #2196f3;
    margin   : 6px 2px;
    font-weight: bold;
}

.right-button {
    float: right;
    padding: 1px 3px;
    border: none;
    cursor: pointer;
}

.button--text {
    color: #009688;
    background: 0 0;
    padding-left: 0;
    padding-right: 0;
    font-size: 10px;
}

.components-title .svg-icon {
    color    : #666;
    font-size: 18px
}

.components-body {
    padding      : 8px 10px;
    background   : #f6f7ff;
    font-size    : 12px;
    cursor       : move;
    border       : 1px dashed #f6f7ff;
    border-radius: 3px
}

.components-body .svg-icon {
    color    : #777;
    font-size: 15px
}

.components-body:hover {
    border: 1px dashed #787be8;
    color : #787be8
}

.components-body:hover .svg-icon {
    color: #787be8
}

.ghost {
    border       : 1px dashed #e06c1d;
    outline-width: 0;
    height       : 39px;
    box-sizing   : border-box;
    content      : '';
    padding      : 0;
}
.ghost div {
    color:#fff;
}


.layui-body .active {
    outline       : 2px solid #409EFF;
    border        : 1px solid #409EFF;
    outline-offset: 0;
}

#formDesignerForm .layui-form-item {
    position: relative;
}

#formDesignerForm .grid {
    padding: 5px 5px;
}

#formDesignerForm .layui-form-item:hover {
    border          : 1px solid #409EFF;
    background-color: #e9f4fd !important;
}

.widget-view-drag {
    position   : absolute;
    left       : -2px;
    top        : -2px;
    bottom     : -18px;
    height     : 28px;
    line-height: 28px;
    background : #409EFF;
    z-index    : 9;
}

.widget-view-drag i {
    font-size: 14px;
    color    : #fff;
    margin   : 0 5px;
    cursor   : move;
}

.select-option-drag {
    cursor: move;
}

.select-option-delete {
    cursor: pointer;
}

.widget-view-action {
    position   : absolute;
    right      : 0;
    bottom     : 0;
    height     : 28px;
    line-height: 28px;
    background : #409EFF;
    z-index    : 9;
}

.widget-view-action i {
    font-size: 14px;
    color    : #fff;
    margin   : 0 5px;
    cursor   : pointer;

}

#formDesignerForm {
    background: #fff;
    border    : 1px dashed #999;
    min-height: 94%;
    margin    : 10px;
    padding   : 10px 10px;
}

#formDesignerForm .widget-col-list {
    min-height: 50px;
    border    : 1px dashed #ccc;
    background: #fff;
}

#formDesignerForm .widget-slider {
    margin: 18px 10px;
    width : 90%;
    position: absolute!important;
}

.layui-empty {
    margin    : 10px 60px;
    color     : #9e9e9e;
    font-size : 16px;
    text-align: center;

}

#columnProperty .layui-form-item.option {
    margin-bottom: 2px;
}

#columnProperty .layui-form-item.option .layui-inline {
    margin-bottom: 2px;
}

/* 图片上传 */
.uploader-list {
    margin-left: -15px;
}

.uploader-list .info {
    position        : relative;
    margin-top      : -25px;
    background-color: black;
    color           : white;
    filter          : alpha(Opacity=80);
    -moz-opacity    : 0.5;
    opacity         : 0.5;
    width           : 100px;
    height          : 25px;
    text-align      : center;
    display         : none;
}

.uploader-list .handle {
    position        : relative;
    background-color: black;
    color           : white;
    filter          : alpha(Opacity=80);
    -moz-opacity    : 0.5;
    opacity         : 0.5;
    width           : 100px;
    text-align      : right;
    height          : 18px;
    margin-bottom   : -18px;
    display         : none;
}

.uploader-list .handle i {
    margin-right: 5px;
}

.uploader-list .handle i:hover {
    cursor: pointer;
}

.uploader-list .file-iteme {
    margin : 12px 0 0 15px;
    padding: 1px;
    float  : left;
}


/*自定义layer颜色*/
body .cool-black .layui-layer-title {
    color           : #fff;
    height          : 50px;
    line-height     : 50px;
    background-color: #191a23;
    border          : none;
}

body .cool-black .layui-layer-setwin a {
    color                  : #fff;
    font-size              : 16px;
    font-style             : normal;
    font-family            : layui-icon !important;
    -webkit-font-smoothing : antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body .cool-black .layui-layer-btn a {
    background: #333;
}



.htmlcodeview,
.importjsoncodeview {
    position: relative;
    display : none;
}

.htmlcodeview textarea,
.getFormData textarea,
.importjsoncodeview textarea {
    display         : block;
    width           : 760px;
    height          : 560px;
    border          : 10px solid #F8F8F8;
    border-top-width: 0;
    padding         : 10px;
    line-height     : 20px;
    overflow        : auto;
    background-color: #3F3F3F;
    color           : #eee;
    font-size       : 12px;
    font-family     : Courier New;
}

.htmlcodeview a,
.importjsoncodeview a {
    position: absolute;
    right   : 20px;
    bottom  : 20px;
}

.htmlcodeview,
.importjsoncodedataview {
    position: relative;
    display : none;
}

.htmlcodeview textarea,
.getFormData textarea,
.importjsoncodedataview textarea {
    display         : block;
    width           : 760px;
    height          : 560px;
    border          : 10px solid #F8F8F8;
    border-top-width: 0;
    padding         : 10px;
    line-height     : 20px;
    overflow        : auto;
    background-color: #3F3F3F;
    color           : #eee;
    font-size       : 12px;
    font-family     : Courier New;
}

.htmlcodeview a,
.importjsoncodedataview a {
    position: absolute;
    right   : 20px;
    bottom  : 20px;
}

.aboutusview .about {
    display         : block;
    width           : 760px;
    height          : 554px;
    padding         : 20px 20px;
    overflow        : hidden;
    background-color: #191a23;
    color           : #ccc;
}
.aboutusview .about p{
    line-height: 30px;

}

.aboutusview .about .yellow{
    color:#e6ec8d;
}

.layui-disabled {
    background-color: #f5f7fa;
    border-color: #dfe4ed;
    color: #c0c4cc;
}

.custom-lg{
    margin: -3px 0px 0px 10px;
}
.custom-zc{
    margin: 0px 0px 0px 10px;
}
.custom-sm{
    margin: 5px 0px 0px 10px;
}
.custom-xs{
    margin: 10px 0px 0px 10px;
}

.iceEditor-disabled {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: rgba(245,247,250,0.79) !important;
    border-color: #dfe4ed !important;
    color: #c0c4cc !important;
    z-index: 1 !important;
    display: block;
}

::-webkit-scrollbar {
    width: 5px;
    color: #000;
}

.component-group ol {
    display: inline-block;
    background: #fff;
    color: #000;
    min-width: 70px;
    width: 32%;
    height: 70px;
    line-height: 1;
    text-align: center;
    transition: all .2s ease;
    cursor: pointer;
}

.component-group ol:hover {
    background: #009688;
    border-radius: 5px;
    color: #fff;
    border-color: #fff;
}


.component-group ol .icon {
    padding: 10px 5px 12px;
    display: inline-block;
}

.component-group ol .icon i {
    font-size: 18px;
}

.layui-icon-switch {
    border: 1px solid #666;
    border-radius: 20px;
    display: inline-block;
    width: 20px;
    height: 10px;
    position: relative;
}

.layui-icon-switch k {
    position: absolute;
    left: 4px;
    top: 2px;
    width: 6px;
    height: 6px;
    border-radius: 20px;
    background-color: #666;
    -webkit-transition: .1s linear;
    transition: .1s linear;
}

.component {
    margin-bottom: 15px;
}

.component-group ol:hover .layui-icon-switch {
    color: #fff;
    border-color: #fff;
}

.component-group ol:hover k {
    background-color: #fff;
}

.component-group ol .name {
    font-size: 12px;
}

.layui-col-md2,.layui-col-md8 {
    border-right: 1px solid #f6f6ff;
}

.fr {
    float: right;
}


.layui-form-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 0 -1px 5px rgba(0,0,0,.15);
    padding: 15px;
    z-index: 9999;
    margin-bottom: 0px;
    margin-top: 10px;
    text-align: center;
}
.layui-inlioc {
    clear: both;
}

.layui-fluid {
    padding-top: 20px;
}

#layui-form-attribute .layui-input-inline {
    width: 169px;
    margin-right: 0;
}

#layui-form-attribute .layui-form-label {
    padding: 6px;
    padding-right: 10px;
    width: 60px!important;
}

.layui-minmax {
    width: 76px;
    display: inline-block;
}

.layui-input-inline em {
    margin: 0px 5px;
}

.layui-component-tools {
    position: absolute;
    background: #009688;
    right: 0;
    bottom: 0;
    padding: 1px 5px;
    cursor: pointer;
    z-index: 21;
    color: #fff;
    width: 32px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    display: none;
}
.layui-input-none {
    display: none;
}

.layui-component-tools i,.layui-component-move i {
    font-size: 12px;
}

#layui-elem-field legend {
    margin-left: 39%;
    font-size: 14px;
}


#tab-options input {
    width: 139px;
    display: inline-block;
    margin: 0px 8px;
}

#form-options .layui-add-option,#tab-options .layui-add-tab {
    position: relative;
    left: 26px;
}

.layui-slider {
    margin-top: 3px;
}

#Propertie .layui-slider {
    margin-top: 13px;
}

#tpl_main,#tpl_right_main {
    margin: 25% auto;
    text-align: center;
    font-size: 18px;
    color: #c9e0f3;
}

#layui-form-template .item-list {
    padding: 8px 0px;
}

.item-body {
    border: 1px solid #f6f6f6;
    padding: 20px;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 10px;
}

.item-body:hover {
    border: 1px solid #009688;
}

.item-body .item-img {
    overflow: hidden;
}

.item-body .item-img img {
    width: 100%;;
}

.item-body .item-desc {
    margin-top: 10px;
}

.item-body .item-desc span.item-title{
    font-size: 13px;
    font-weight: 700;
}
.right-button {
    float: right;
    padding: 1px 3px;
    border: none;
    cursor: pointer;
}

.button--text {
    color: #009688;
    background: 0 0;
    padding-left: 0;
    padding-right: 0;
    font-size: 10px;
}

.layui-htmlview {
    position: relative;
}

.layui-htmlview textarea {
    display: block;
    width: 760px;
    height: 566px;
    border: 10px solid #F8F8F8;
    border-top-width: 0;
    padding: 10px;
    line-height: 20px;
    overflow: auto;
    background-color: #3F3F3F;
    color: #eee;
    font-size: 12px;
    font-family: Courier New;
}

.layui-htmlview .layui-htmlbtn{
    position: absolute;
    right: 20px;
    bottom:20px;
}

#parse-table .layui-input {
    height: 30px;
    width: 139px;
    font-size: 12px;
    border: none;
}


.components-draggable ol {
    display: inline-block;
    background: #fff;
    color: #000;
    min-width: 70px;
    width: 32%;
    height: 70px;
    line-height: 1;
    text-align: center;
    transition: all .2s ease;
    cursor: pointer;
}

.components-draggable ol:hover {
    background: #009688;
    border-radius: 5px;
    color: #fff;
    border-color: #fff;
}


.components-draggable ol .icon {
    padding: 10px 5px 12px;
    display: inline-block;
}

.components-draggable ol .icon i {
    font-size: 18px;
}
#formPreviewForm .widget-slider {
    margin: 18px 10px;
    width : 90%;
    position: absolute!important;
}
.custom-lg{
    margin: -3px 0px 0px 10px;
}
.custom-zc{
    margin: 0px 0px 0px 10px;
}
.custom-sm{
    margin: 5px 0px 0px 10px;
}
.custom-xs{
    margin: 10px 0px 0px 10px;
}
.my-disabled{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(191,191,191,.79);
}
.iceEditor-disabled {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: rgba(245,247,250,0.79) !important;
    border-color: #dfe4ed !important;
    color: #c0c4cc !important;
    z-index: 1 !important;
    display: block;
}
/* 图片上传 */
.uploader-list {
    margin-left: -15px;
}
.uploader-list .info {
    position: relative;
    margin-top: -25px;
    background-color: black;
    color: white;
    filter: alpha(Opacity=80);
    -moz-opacity: 0.5;
    opacity: 0.5;
    width: 100px;
    height: 25px;
    text-align: center;
    display: none;
}
.uploader-list .handle {
    position: relative;
    background-color: black;
    color: white;
    filter: alpha(Opacity=80);
    -moz-opacity: 0.5;
    opacity: 0.5;
    width: 100px;
    text-align: right;
    height: 18px;
    margin-bottom: -18px;
    display: none;
}
.uploader-list .handle i {
    margin-right: 5px;
}
.uploader-list .handle i:hover {
    cursor: pointer;
}
.uploader-list .file-iteme {
    margin: 12px 0 0 15px;
    padding: 1px;
    float: left;
}

 src/main/webapp/static/layui/lay/modules/formDesigner/labelGeneration.css

New file
@@ -0,0 +1,4 @@
.none-transition{
    transition: none;
    -webkit-transition: none;
}

 src/main/webapp/static/layui/lay/modules/formField.js

New file
@@ -0,0 +1,575 @@
layui.define(['layer'], function (exports) {

    var formField = {
        components : {
            input: {
                id:'-1',
                index:'-1',
                label: "单行文本",
                tag: "input",
                tagIcon: 'input',
                placeholder: "请输入",
                defaultValue: null,
                labelWidth: 110,
                width:"100%",
                clearable: true,
                maxlength: null,
                showWordLimit: false,
                readonly: false,
                disabled: false,
                required: true,
                hideLabel:false,
                expression:"",
                document: '',
            },
            password: {
                id:'-1',
                index:'-1',
                label: "密码框",
                tag: "password",
                tagIcon: 'password',
                placeholder: "请输入",
                defaultValue: null,
                labelWidth: 110,
                width:"100%",
                clearable: true,
                maxlength: null,
                showWordLimit: false,
                readonly: false,
                disabled: false,
                required: true,
                hideLabel:false,
                document: ''
            },
            select: {
                id:'-1',
                index:'-1',
                label: "下拉框",
                tag: "select",
                tagIcon: 'select',
                labelWidth: 110,
                width:"100%",
                disabled: false,
                required: true,
                hideLabel:false,
                document: '',
                datasourceType: 'local',
                remoteUrl: 'http://',
                remoteMethod: 'post',
                remoteOptionText:'options.data.dictName',//映射到text
                remoteOptionValue:'options.data.dictId',//映射到value text和value可以是一样的
                remoteDefaultValue:'12',//表示对应的remoteOptionValue的值
                options: [
                    {
                        text: 'option1',
                        value: 'value1',
                        checked: true,
                    },
                    {
                        text: 'option2',
                        value: 'value2',
                        checked: false,
                    },
                    {
                        text: 'option3',
                        value: 'value3',
                        checked: false,
                    },
                ]
            },
            radio: {
                id:'-1',
                index:'-1',
                label: "单选组",
                tag: "radio",
                tagIcon: 'radio',
                labelWidth: 110,
                disabled: false,
                hideLabel:false,
                document: '',
                datasourceType: 'local',
                remoteUrl: 'http://',
                remoteMethod: 'post',
                remoteOptionText:'options.data.dictName',//映射到text
                remoteOptionValue:'options.data.dictId',//映射到value text和value可以是一样的
                options: [
                    {
                        text: 'option1',
                        value: 'value1',
                        checked: true,
                    },
                    {
                        text: 'option2',
                        value: 'value2',
                        checked: false,
                    },
                    {
                        text: 'option3',
                        value: 'value3',
                        checked: false,
                    },
                ]
            },
            checkbox: {
                id:'-1',
                index:'-1',
                label: "复选组",
                tag: "checkbox",
                tagIcon: 'checkbox',
                labelWidth: 110,
                disabled: false,
                required: true,
                hideLabel:false,
                document: '',
                datasourceType: 'local',
                remoteUrl: 'http://',
                remoteMethod: 'post',
                remoteOptionText:'options.data.dictName',//映射到text
                remoteOptionValue:'options.data.dictId',//映射到value text和value可以是一样的
                options: [
                    {
                        text: 'option1',
                        value: 'value1',
                        checked: true,
                    },
                    {
                        text: 'option2',
                        value: 'value2',
                        checked: true,
                    },
                    {
                        text: 'option3',
                        value: 'value3',
                        checked: false,
                    },
                ]
            },
            switch: {
                id:'-1',
                index:'-1',
                label: "开关",
                tag: "switch",
                tagIcon: 'switch',
                labelWidth: 110,
                width:"100%",
                switchValue: false,
                showWordLimit: false,
                disabled: false,
                hideLabel:false,
                document: '',
            },
            slider: {
                id:'-1',
                index:'-1',
                label: "滑块",
                tag: "slider",
                tagIcon: 'slider',
                labelWidth: 110,
                width:"100%",
                defaultValue: 10,
                maxValue: 100,
                minValue: 1,
                stepValue: 2,
                isInput:true,
                disabled: false,
                hideLabel:false,
                document: '',
            },
            numberInput: {
                id:'-1',
                index:'-1',
                label: "排序文本框",
                tag: "numberInput",
                tagIcon: 'numberInput',
                labelWidth: 110,
                width:"100%",
                defaultValue: 0,
                maxValue: 100,
                minValue: 0,
                stepValue: 1,
                disabled: false,
                hideLabel:false,
                document: '',
            },
            labelGeneration: {
                id:'-1',
                index:'-1',
                label: "标签组件",
                tag: "labelGeneration",
                tagIcon: 'labelGeneration',
                labelWidth: 110,
                width:"100%",
                isEnter: false,
                disabled: false,
                document: '',
            },
            bottom: {
                id:'-1',
                index:'-1',
                label: "按钮组件",
                tag: "bottom",
                tagIcon: 'bottom',
                labelWidth: 110,
                buttonIcon:"",
                buttonVlaue:"按钮",
                buttonType:"",
                buttonSize:"",
                disabled: false,
                hideLabel:false,
                document: '',
            },
            sign: {
                id:'-1',
                index:'-1',
                label: "签名组件",
                tag: "sign",
                tagIcon: 'sign',
                labelWidth: 110,
                buttonVlaue:"手写签名",
                buttonIcon:"",
                data:"",
                disabled: false,
                hideLabel:false,
                document: '',
            },
            iconPicker: {
                id:'-1',
                index:'-1',
                label: "图标选择器",
                tag: "iconPicker",
                tagIcon: 'iconPicker',
                labelWidth: 110,
                defaultValue: '',
                iconPickerSearch: true,
                iconPickerPage: true,
                iconPickerLimit: 12,
                iconPickerCellWidth: '43px',
                disabled: false,
                hideLabel:false,
                document: '',
            },
            cron: {
                id:'-1',
                index:'-1',
                label: "Cron表达式",
                tag: "cron",
                tagIcon: 'cron',
                placeholder: "请输入cron表达式,如:0 0 12 * * ?",
                labelWidth: 110,
                width:"100%",
                defaultValue: '* * * * * ?',
                cronUrl: '',
                disabled: false,
                required: true,
                hideLabel:false,
                document: '',
            },
            date: {
                id:'-1',
                index:'-1',
                label: "日期",
                tag: "date",
                tagIcon: 'date',
                labelWidth: 110,
                width:"100%",
                clearable: true,
                maxlength: null,
                dateDefaultValue: '2021-05-25',
                dateType: "date",//year month date time datetime
                range: false,
                dateFormat: "yyyy-MM-dd",
                isInitValue: false,
                dataMaxValue: "2088-12-31",
                dataMinValue: "1900-01-01",
                trigger: null,//自定义弹出控件的事件
                position: "absolute",//fixed,static,abolute
                theme: "default",
                mark: null,//每年的日期    {'0-9-18': '国耻'}    0 即代表每一年
                showBottom: true,
                zindex:66666666,
                disabled: false,
                required: true,
                hideLabel:false,
                document: '',
            },
            dateRange: {
                id:'-1',
                index:'-1',
                label: "日期范围",
                tag: "dateRange",
                tagIcon: 'dateRange',
                labelWidth: 110,
                //width:"100%",
                dateRangeDefaultValue: "2021-06-19 - 2021-07-17",
                clearable: true,
                maxlength: null,
                dateType: "date",//year month date time datetime
                dateFormat: "yyyy-MM-dd",
                isInitValue: true,
                dataMaxValue: "2088-12-31",
                dataMinValue: "1900-01-01",
                trigger: null,//自定义弹出控件的事件
                position: "absolute",//fixed,static,abolute
                theme: "default",
                mark: null,//每年的日期    {'0-9-18': '国耻'}    0 即代表每一年
                showBottom: true,
                zindex:66666666,
                disabled: false,
                required: true,
                hideLabel:false,
                document: '',
            },
            rate: {
                id:'-1',
                index:'-1',
                label: "评分",
                tag: "rate",
                tagIcon: 'rate',
                labelWidth: 110,
                defaultValue: 0,
                rateLength: 5,//星星长度
                half: false,
                text: false,
                theme: "default",
                colorSelection:"#ffb800",
                showBottom: true,
                readonly: false,
                hideLabel:false,
                document: '',
            },
            carousel: {
                id:'-1',
                index:'-1',
                label: "轮播图",
                tag: "carousel",
                tagIcon: 'carousel',
                width: "100%",
                height: "500px",
                full: false,//是否全屏
                anim: "default", //轮播切换动画方式,
                interval: 3000,//切换时间 毫秒
                startIndex: 0,//初始索引
                arrow: "hover",//切换箭头默认显示状态
                autoplay: true,//是否自动切换
                document: '',
                datasourceType: 'local',
                remoteUrl: 'http://',
                remoteMethod: 'post',
                remoteOptionText:'options.data.dictName',//映射到text
                remoteOptionValue:'options.data.dictId',//映射到value text和value可以是一样的
                options: [
                    {
                        text: 'banner1',
                        value: './ayq/images/banner1.PNG',
                        checked: true,
                    },
                    {
                        text: 'banner2',
                        value: './ayq/images/banner2.PNG',
                        checked: false,
                    },
                    {
                        text: 'banner3',
                        value: './ayq/images/banner3.PNG',
                        checked: false,
                    },
                ]
            },
            colorpicker: {
                id:'-1',
                index:'-1',
                label: "颜色选择器",
                tag: "colorpicker",
                tagIcon: 'colorpicker',
                labelWidth: 110,
                defaultValue: 'rgba(0, 0, 0, 1)',
                colorformat: "#fff",
                alpha: false,
                colors: [],
                size: "",
                showBottom: true,
                disabled: false,
                hideLabel:false,
                document: '',
            },
            image: {
                id:'-1',
                index:'-1',
                label: "上传图片",
                tag: "image",
                tagIcon: 'image',
                placeholder: "请输入",
                defaultValue: null,
                labelWidth: null,
                disabled: false,
                required: true,
                document: '',
                uploadUrl: '',
            },
            file: {
                id:'-1',
                index:'-1',
                label: "上传文件",
                tag: "file",
                tagIcon: 'file',
                placeholder: "请输入",
                defaultValue: null,
                labelWidth: null,
                disabled: false,
                required: true,
                document: '',
                uploadUrl: '',
            },
            textarea: {
                id:'-1',
                index:'-1',
                label: "多行文本",
                tag: "textarea",
                tagIcon: 'textarea',
                placeholder: "请输入",
                defaultValue: null,
                width:"100%",
                readonly: false,
                disabled: false,//这里就是readonly的医生
                required: true,
                hideLabel:false,
                document: ''
            },
            editor: {
                id:'-1',
                index:'-1',
                label: "编辑器",
                tag: "editor",
                tagIcon: 'editor',
                width:"100%",
                clearable: true,
                maxlength: null,
                showWordLimit: false,
                menu: ['backColor', 'fontSize', 'foreColor', 'bold', 'italic', 'underline', 'strikeThrough', 'justifyLeft', 'justifyCenter', 'justifyRight', 'indent', 'outdent', 'insertOrderedList', 'insertUnorderedList', 'superscript', 'subscript', 'createLink', 'unlink', 'hr', 'face','table', 'files', 'music', 'video', 'insertImage', 'removeFormat', 'code', 'line'],
                height: "200px",
                uploadUrl: '/upload/',
                disabled:false,
                hideLabel:false,
                defaultValue:'',
                document: ''
            },
            blockquote: {
                id:'-1',
                index:'-1',
                label: "便签信息",
                tag: "blockquote",
                tagIcon: 'blockquote',
                defaultValue: "便签信息",
                width:"100%",
                colorSelection:"#5fb878",
                document: ''
            },
            line: {
                id:'-1',
                index:'-1',
                label: "分割线",
                tag: "line",
                tagIcon: 'line',
                defaultValue: "分割线",
                width:"100%",
                colorSelection:"#5fb878",
                document: ''
            },
            spacing: {
                id:'-1',
                index:'-1',
                label: "间距",
                tag: "spacing",
                tagIcon: 'spacing',
                defaultValue: "间距",
                whiteSpace:"30",
                document: ''
            },
            textField: {
                id:'-1',
                index:'-1',
                label: "HTML",
                tag: "textField",
                tagIcon: 'textField',
                defaultValue: "HTML",
                document: ''
            },
            grid:{
                id:'-1',
                index:'-1',
                tag: 'grid',
                span: 2,
                columns: [
                    {
                        span: 12,
                        list: [],
                    },
                    {
                        span: 12,
                        list: [],
                    }
                ]
            }
        },
        componentsLang : [
            {
                component : "c1",
                name:"输入型组件(基于layui)",
                list:[
                    {"key":"input","icon":"layui-icon layui-icon-layer"},
                    {"key":"password","icon":"layui-icon layui-icon-auz"},
                    {"key":"textarea","icon":"layui-icon layui-icon-list"}
                ]
            },
            {
                component : "c2",
                name:"选择型组件(基于layui)",
                list:[
                    {"key":"select","icon":"layui-icon layui-icon-align-left"},
                    {"key":"radio","icon":"layui-icon layui-icon-radio"},
                    {"key":"checkbox","icon":"layui-icon layui-icon-list"},
                    {"key":"switch","icon":"layui-icon layui-icon-key"},
                    {"key":"slider","icon":"layui-icon layui-icon-slider"},
                    {"key":"date","icon":"layui-icon layui-icon-time"},
                    {"key":"rate","icon":"layui-icon layui-icon-rate-solid"},
                    {"key":"carousel","icon":"layui-icon layui-icon-carousel"},
                    {"key":"colorpicker","icon":"layui-icon layui-icon-theme"},
                    {"key":"image","icon":"layui-icon layui-icon-picture"},
                    {"key":"file","icon":"layui-icon layui-icon-export"},
                    {"key":"dateRange","icon":"layui-icon layui-icon-date"}
                ]
            },
            {
                component : "c3",
                name:"布局型组件(基于layui)",
                list:[
                    {"key":"grid","icon":"layui-icon layui-icon-layer"},
                    {"key":"blockquote","icon":"layui-icon layui-icon-note"},
                    {"key":"line","icon":"layui-icon layui-icon-subtraction"},
                    {"key":"spacing","icon":"layui-icon layui-icon-more-vertical"},
                    {"key":"bottom","icon":"layui-icon layui-icon-prev-circle"}
                ]
            },
            {
                component : "c4",
                name:"扩展组件(基于layui)",
                list:[
                    {"key":"numberInput","icon":"layui-icon layui-icon-top"},
                    {"key":"iconPicker","icon":"layui-icon layui-icon-auz"},
                    {"key":"cron","icon":"layui-icon layui-icon-survey"},
                    //{"key":"labelGeneration","icon":"layui-icon layui-icon-auz"},
                    {"key":"sign","icon":"layui-icon layui-icon-layer"}
                ]
            },
            {
                component : "c5",
                name:"扩展组件(外部)",
                list:[
                    {"key":"editor","icon":"layui-icon layui-icon-layer"}
                ]
            }
        ],
    }
    exports('formField', formField);

});

 src/main/webapp/static/layui/lay/modules/iconPicker.js

New file
@@ -0,0 +1,400 @@
/**
 * Layui图标选择器
 * @author wujiawei0926@yeah.net
 * @version 1.1
 */

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

    var IconPicker =function () {
            this.v = '1.1';
        }, _MOD = 'iconPicker',
        _this = this,
        $ = layui.jquery,
        laypage = layui.laypage,
        form = layui.form,
        BODY = 'body',
        TIPS = '请选择图标';

    /**
     * 渲染组件
     */
    IconPicker.prototype.render = function(options){
        var opts = options,
            // DOM选择器
            elem = opts.elem,
            // 数据类型：fontClass/unicode
            type = opts.type == null ? 'fontClass' : opts.type,
            // 是否分页：true/false
            page = opts.page == null ? true : opts.page,
            // 每页显示数量
            limit = opts.limit == null ? 12 : opts.limit,
            // 是否开启搜索：true/false
            search = opts.search == null ? true : opts.search,
            // 每个图标格子的宽度：'43px'或'20%'
            cellWidth = opts.cellWidth,
            // 点击回调
            click = opts.click,
            // 渲染成功后的回调
            success = opts.success,
            // json数据
            data = {},
            // 唯一标识
            tmp = new Date().getTime(),
            // 是否使用的class数据
            isFontClass = opts.type === 'fontClass',
            // 初始化时input的值
            ORIGINAL_ELEM_VALUE = $(elem).val(),
            TITLE = 'layui-select-title',
            TITLE_ID = 'layui-select-title-' + tmp,
            ICON_BODY = 'layui-iconpicker-' + tmp,
            PICKER_BODY = 'layui-iconpicker-body-' + tmp,
            PAGE_ID = 'layui-iconpicker-page-' + tmp,
            LIST_BOX = 'layui-iconpicker-list-box',
            selected = 'layui-form-selected',
            unselect = 'layui-unselect';

        var a = {
            init: function () {
                data = common.getData[type]();

                a.hideElem().createSelect().createBody().toggleSelect();
                a.preventEvent().inputListen();
                common.loadCss();

                if (success) {
                    success(this.successHandle());
                }

                return a;
            },
            successHandle: function(){
                var d = {
                    options: opts,
                    data: data,
                    id: tmp,
                    elem: $('#' + ICON_BODY)
                };
                return d;
            },
            /**
             * 隐藏elem
             */
            hideElem: function () {
                $(elem).hide();
                return a;
            },
            /**
             * 绘制select下拉选择框
             */
            createSelect: function () {
                var oriIcon = '<i class="layui-icon">';

                // 默认图标
                if(ORIGINAL_ELEM_VALUE === '') {
                    if(isFontClass) {
                        ORIGINAL_ELEM_VALUE = 'layui-icon-circle-dot';
                    } else {
                        ORIGINAL_ELEM_VALUE = '&#xe617;';
                    }
                }

                if (isFontClass) {
                    oriIcon = '<i class="layui-icon '+ ORIGINAL_ELEM_VALUE +'">';
                } else {
                    oriIcon += ORIGINAL_ELEM_VALUE;
                }
                oriIcon += '</i>';

                var selectHtml = '<div class="layui-iconpicker layui-unselect layui-form-select" id="'+ ICON_BODY +'">' +
                    '<div class="'+ TITLE +'" id="'+ TITLE_ID +'">' +
                    '<div class="layui-iconpicker-item">'+
                    '<span class="layui-iconpicker-icon layui-unselect">' +
                    oriIcon +
                    '</span>'+
                    '<i class="layui-edge"></i>' +
                    '</div>'+
                    '</div>' +
                    '<div class="layui-anim layui-anim-upbit" style="">' +
                    '123' +
                    '</div>';
                $(elem).after(selectHtml);
                return a;
            },
            /**
             * 展开/折叠下拉框
             */
            toggleSelect: function () {
                var item = '#' + TITLE_ID + ' .layui-iconpicker-item,#' + TITLE_ID + ' .layui-iconpicker-item .layui-edge';
                a.event('click', item, function (e) {
                    var $icon = $('#' + ICON_BODY);
                    if ($icon.hasClass(selected)) {
                        $icon.removeClass(selected).addClass(unselect);
                    } else {
                        // 隐藏其他picker
                        $('.layui-form-select').removeClass(selected);
                        // 显示当前picker
                        $icon.addClass(selected).removeClass(unselect);
                    }
                    e.stopPropagation();
                });
                return a;
            },
            /**
             * 绘制主体部分
             */
            createBody: function () {
                // 获取数据
                var searchHtml = '';

                if (search) {
                    searchHtml = '<div class="layui-iconpicker-search">' +
                        '<input class="layui-input">' +
                        '<i class="layui-icon">&#xe615;</i>' +
                        '</div>';
                }

                // 组合dom
                var bodyHtml = '<div class="layui-iconpicker-body" id="'+ PICKER_BODY +'">' +
                    searchHtml +
                    '<div class="'+ LIST_BOX +'"></div> '+
                    '</div>';
                $('#' + ICON_BODY).find('.layui-anim').eq(0).html(bodyHtml);
                a.search().createList().check().page();

                return a;
            },
            /**
             * 绘制图标列表
             * @param text 模糊查询关键字
             * @returns {string}
             */
            createList: function (text) {
                var d = data,
                    l = d.length,
                    pageHtml = '',
                    listHtml = $('<div class="layui-iconpicker-list">')//'<div class="layui-iconpicker-list">';

                // 计算分页数据
                var _limit = limit, // 每页显示数量
                    _pages = l % _limit === 0 ? l / _limit : parseInt(l / _limit + 1), // 总计多少页
                    _id = PAGE_ID;

                // 图标列表
                var icons = [];

                for (var i = 0; i < l; i++) {
                    var obj = d[i];

                    // 判断是否模糊查询
                    if (text && obj.indexOf(text) === -1) {
                        continue;
                    }

                    // 是否自定义格子宽度
                    var style = '';
                    if (cellWidth !== null) {
                        style += ' style="width:' + cellWidth + '"';
                    }

                    // 每个图标dom
                    var icon = '<div class="layui-iconpicker-icon-item" title="'+ obj +'" '+ style +'>';
                    if (isFontClass){
                        icon += '<i class="layui-icon '+ obj +'"></i>';
                    } else {
                        icon += '<i class="layui-icon">'+ obj.replace('amp;', '') +'</i>';
                    }
                    icon += '</div>';

                    icons.push(icon);
                }

                // 查询出图标后再分页
                l = icons.length;
                _pages = l % _limit === 0 ? l / _limit : parseInt(l / _limit + 1);
                for (var i = 0; i < _pages; i++) {
                    // 按limit分块
                    var lm = $('<div class="layui-iconpicker-icon-limit" id="layui-iconpicker-icon-limit-' + tmp + (i+1) +'">');

                    for (var j = i * _limit; j < (i+1) * _limit && j < l; j++) {
                        lm.append(icons[j]);
                    }

                    listHtml.append(lm);
                }

                // 无数据
                if (l === 0) {
                    listHtml.append('<p class="layui-iconpicker-tips">无数据</p>');
                }

                // 判断是否分页
                if (page){
                    $('#' + PICKER_BODY).addClass('layui-iconpicker-body-page');
                    pageHtml = '<div class="layui-iconpicker-page" id="'+ PAGE_ID +'">' +
                        '<div class="layui-iconpicker-page-count">' +
                        '<span id="'+ PAGE_ID +'-current">1</span>/' +
                        '<span id="'+ PAGE_ID +'-pages">'+ _pages +'</span>' +
                        ' (<span id="'+ PAGE_ID +'-length">'+ l +'</span>)' +
                        '</div>' +
                        '<div class="layui-iconpicker-page-operate">' +
                        '<i class="layui-icon" id="'+ PAGE_ID +'-prev" data-index="0" prev>&#xe603;</i> ' +
                        '<i class="layui-icon" id="'+ PAGE_ID +'-next" data-index="2" next>&#xe602;</i> ' +
                        '</div>' +
                        '</div>';
                }


                $('#' + ICON_BODY).find('.layui-anim').find('.' + LIST_BOX).html('').append(listHtml).append(pageHtml);
                return a;
            },
            // 阻止Layui的一些默认事件
            preventEvent: function() {
                var item = '#' + ICON_BODY + ' .layui-anim';
                a.event('click', item, function (e) {
                    e.stopPropagation();
                });
                return a;
            },
            // 分页
            page: function () {
                var icon = '#' + PAGE_ID + ' .layui-iconpicker-page-operate .layui-icon';

                $(icon).unbind('click');
                a.event('click', icon, function (e) {
                    var elem = e.currentTarget,
                        total = parseInt($('#' +PAGE_ID + '-pages').html()),
                        isPrev = $(elem).attr('prev') !== undefined,
                        // 按钮上标的页码
                        index = parseInt($(elem).attr('data-index')),
                        $cur = $('#' +PAGE_ID + '-current'),
                        // 点击时正在显示的页码
                        current = parseInt($cur.html());

                    // 分页数据
                    if (isPrev && current > 1) {
                        current=current-1;
                        $(icon + '[prev]').attr('data-index', current);
                    } else if (!isPrev && current < total){
                        current=current+1;
                        $(icon + '[next]').attr('data-index', current);
                    }
                    $cur.html(current);

                    // 图标数据
                    $('#'+ ICON_BODY + ' .layui-iconpicker-icon-limit').hide();
                    $('#layui-iconpicker-icon-limit-' + tmp + current).show();
                    e.stopPropagation();
                });
                return a;
            },
            /**
             * 搜索
             */
            search: function () {
                var item = '#' + PICKER_BODY + ' .layui-iconpicker-search .layui-input';
                a.event('input propertychange', item, function (e) {
                    var elem = e.target,
                        t = $(elem).val();
                    a.createList(t);
                });
                return a;
            },
            /**
             * 点击选中图标
             */
            check: function () {
                var item = '#' + PICKER_BODY + ' .layui-iconpicker-icon-item';
                a.event('click', item, function (e) {
                    var el = $(e.currentTarget).find('.layui-icon'),
                        icon = '';
                    if (isFontClass) {
                        var clsArr = el.attr('class').split(/[\s\n]/),
                            cls = clsArr[1],
                            icon = cls;
                        $('#' + TITLE_ID).find('.layui-iconpicker-item .layui-icon').html('').attr('class', clsArr.join(' '));
                    } else {
                        var cls = el.html(),
                            icon = cls;
                        $('#' + TITLE_ID).find('.layui-iconpicker-item .layui-icon').html(icon);
                    }

                    $('#' + ICON_BODY).removeClass(selected).addClass(unselect);
                    $(elem).val(icon).attr('value', icon);
                    // 回调
                    if (click) {
                        click({
                            icon: icon
                        });
                    }

                });
                return a;
            },
            // 监听原始input数值改变
            inputListen: function(){
                var el = $(elem);
                a.event('change', elem, function(){
                    var value = el.val();
                })
                // el.change(function(){

                // });
                return a;
            },
            event: function (evt, el, fn) {
                $(BODY).on(evt, el, fn);
            }
        };

        var common = {
            /**
             * 加载样式表
             */
            loadCss: function () {
                var css = '.layui-iconpicker {max-width: 280px;}.layui-iconpicker .layui-anim{display:none;position:absolute;left:0;top:42px;padding:5px 0;z-index:899;min-width:100%;border:1px solid #d2d2d2;max-height:300px;overflow-y:auto;background-color:#fff;border-radius:2px;box-shadow:0 2px 4px rgba(0,0,0,.12);box-sizing:border-box;}.layui-iconpicker-item{border:1px solid #e6e6e6;width:90px;height:38px;border-radius:4px;cursor:pointer;position:relative;}.layui-iconpicker-icon{border-right:1px solid #e6e6e6;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;display:block;width:60px;height:100%;float:left;text-align:center;background:#fff;transition:all .3s;}.layui-iconpicker-icon i{line-height:38px;font-size:18px;}.layui-iconpicker-item > .layui-edge{left:70px;}.layui-iconpicker-item:hover{border-color:#D2D2D2!important;}.layui-iconpicker-item:hover .layui-iconpicker-icon{border-color:#D2D2D2!important;}.layui-iconpicker.layui-form-selected .layui-anim{display:block;}.layui-iconpicker-body{padding:6px;}.layui-iconpicker .layui-iconpicker-list{background-color:#fff;border:1px solid #ccc;border-radius:4px;}.layui-iconpicker .layui-iconpicker-icon-item{display:inline-block;width:21.1%;line-height:36px;text-align:center;cursor:pointer;vertical-align:top;height:36px;margin:4px;border:1px solid #ddd;border-radius:2px;transition:300ms;}.layui-iconpicker .layui-iconpicker-icon-item i.layui-icon{font-size:17px;}.layui-iconpicker .layui-iconpicker-icon-item:hover{background-color:#eee;border-color:#ccc;-webkit-box-shadow:0 0 2px #aaa,0 0 2px #fff inset;-moz-box-shadow:0 0 2px #aaa,0 0 2px #fff inset;box-shadow:0 0 2px #aaa,0 0 2px #fff inset;text-shadow:0 0 1px #fff;}.layui-iconpicker-search{position:relative;margin:0 0 6px 0;border:1px solid #e6e6e6;border-radius:2px;transition:300ms;}.layui-iconpicker-search:hover{border-color:#D2D2D2!important;}.layui-iconpicker-search .layui-input{cursor:text;display:inline-block;width:86%;border:none;padding-right:0;margin-top:1px;}.layui-iconpicker-search .layui-icon{position:absolute;top:11px;right:4%;}.layui-iconpicker-tips{text-align:center;padding:8px 0;cursor:not-allowed;}.layui-iconpicker-page{margin-top:6px;margin-bottom:-6px;font-size:12px;padding:0 2px;}.layui-iconpicker-page-count{display:inline-block;}.layui-iconpicker-page-operate{display:inline-block;float:right;cursor:default;}.layui-iconpicker-page-operate .layui-icon{font-size:12px;cursor:pointer;}.layui-iconpicker-body-page .layui-iconpicker-icon-limit{display:none;}.layui-iconpicker-body-page .layui-iconpicker-icon-limit:first-child{display:block;}';
                var $style = $('head').find('style[iconpicker]');
                if ($style.length === 0) {
                    $('head').append('<style rel="stylesheet" iconpicker>'+css+'</style>');
                }
            },
            /**
             * 获取数据
             */
            getData: {
                fontClass: function () {
                    var arr = ["layui-icon-rate-half","layui-icon-rate","layui-icon-rate-solid","layui-icon-cellphone","layui-icon-vercode","layui-icon-login-wechat","layui-icon-login-qq","layui-icon-login-weibo","layui-icon-password","layui-icon-username","layui-icon-refresh-3","layui-icon-auz","layui-icon-spread-left","layui-icon-shrink-right","layui-icon-snowflake","layui-icon-tips","layui-icon-note","layui-icon-home","layui-icon-senior","layui-icon-refresh","layui-icon-refresh-1","layui-icon-flag","layui-icon-theme","layui-icon-notice","layui-icon-website","layui-icon-console","layui-icon-face-surprised","layui-icon-set","layui-icon-template-1","layui-icon-app","layui-icon-template","layui-icon-praise","layui-icon-tread","layui-icon-male","layui-icon-female","layui-icon-camera","layui-icon-camera-fill","layui-icon-more","layui-icon-more-vertical","layui-icon-rmb","layui-icon-dollar","layui-icon-diamond","layui-icon-fire","layui-icon-return","layui-icon-location","layui-icon-read","layui-icon-survey","layui-icon-face-smile","layui-icon-face-cry","layui-icon-cart-simple","layui-icon-cart","layui-icon-next","layui-icon-prev","layui-icon-upload-drag","layui-icon-upload","layui-icon-download-circle","layui-icon-component","layui-icon-file-b","layui-icon-user","layui-icon-find-fill","layui-icon-loading","layui-icon-loading-1","layui-icon-add-1","layui-icon-play","layui-icon-pause","layui-icon-headset","layui-icon-video","layui-icon-voice","layui-icon-speaker","layui-icon-fonts-del","layui-icon-fonts-code","layui-icon-fonts-html","layui-icon-fonts-strong","layui-icon-unlink","layui-icon-picture","layui-icon-link","layui-icon-face-smile-b","layui-icon-align-left","layui-icon-align-right","layui-icon-align-center","layui-icon-fonts-u","layui-icon-fonts-i","layui-icon-tabs","layui-icon-radio","layui-icon-circle","layui-icon-edit","layui-icon-share","layui-icon-delete","layui-icon-form","layui-icon-cellphone-fine","layui-icon-dialogue","layui-icon-fonts-clear","layui-icon-layer","layui-icon-date","layui-icon-water","layui-icon-code-circle","layui-icon-carousel","layui-icon-prev-circle","layui-icon-layouts","layui-icon-util","layui-icon-templeate-1","layui-icon-upload-circle","layui-icon-tree","layui-icon-table","layui-icon-chart","layui-icon-chart-screen","layui-icon-engine","layui-icon-triangle-d","layui-icon-triangle-r","layui-icon-file","layui-icon-set-sm","layui-icon-add-circle","layui-icon-404","layui-icon-about","layui-icon-up","layui-icon-down","layui-icon-left","layui-icon-right","layui-icon-circle-dot","layui-icon-search","layui-icon-set-fill","layui-icon-group","layui-icon-friends","layui-icon-reply-fill","layui-icon-menu-fill","layui-icon-log","layui-icon-picture-fine","layui-icon-face-smile-fine","layui-icon-list","layui-icon-release","layui-icon-ok","layui-icon-help","layui-icon-chat","layui-icon-top","layui-icon-star","layui-icon-star-fill","layui-icon-close-fill","layui-icon-close","layui-icon-ok-circle","layui-icon-add-circle-fine"];
                    return arr;
                },
                unicode: function () {
                    return ["&amp;#xe6c9;","&amp;#xe67b;","&amp;#xe67a;","&amp;#xe678;","&amp;#xe679;","&amp;#xe677;","&amp;#xe676;","&amp;#xe675;","&amp;#xe673;","&amp;#xe66f;","&amp;#xe9aa;","&amp;#xe672;","&amp;#xe66b;","&amp;#xe668;","&amp;#xe6b1;","&amp;#xe702;","&amp;#xe66e;","&amp;#xe68e;","&amp;#xe674;","&amp;#xe669;","&amp;#xe666;","&amp;#xe66c;","&amp;#xe66a;","&amp;#xe667;","&amp;#xe7ae;","&amp;#xe665;","&amp;#xe664;","&amp;#xe716;","&amp;#xe656;","&amp;#xe653;","&amp;#xe663;","&amp;#xe6c6;","&amp;#xe6c5;","&amp;#xe662;","&amp;#xe661;","&amp;#xe660;","&amp;#xe65d;","&amp;#xe65f;","&amp;#xe671;","&amp;#xe65e;","&amp;#xe659;","&amp;#xe735;","&amp;#xe756;","&amp;#xe65c;","&amp;#xe715;","&amp;#xe705;","&amp;#xe6b2;","&amp;#xe6af;","&amp;#xe69c;","&amp;#xe698;","&amp;#xe657;","&amp;#xe65b;","&amp;#xe65a;","&amp;#xe681;","&amp;#xe67c;","&amp;#xe601;","&amp;#xe857;","&amp;#xe655;","&amp;#xe770;","&amp;#xe670;","&amp;#xe63d;","&amp;#xe63e;","&amp;#xe654;","&amp;#xe652;","&amp;#xe651;","&amp;#xe6fc;","&amp;#xe6ed;","&amp;#xe688;","&amp;#xe645;","&amp;#xe64f;","&amp;#xe64e;","&amp;#xe64b;","&amp;#xe62b;","&amp;#xe64d;","&amp;#xe64a;","&amp;#xe64c;","&amp;#xe650;","&amp;#xe649;","&amp;#xe648;","&amp;#xe647;","&amp;#xe646;","&amp;#xe644;","&amp;#xe62a;","&amp;#xe643;","&amp;#xe63f;","&amp;#xe642;","&amp;#xe641;","&amp;#xe640;","&amp;#xe63c;","&amp;#xe63b;","&amp;#xe63a;","&amp;#xe639;","&amp;#xe638;","&amp;#xe637;","&amp;#xe636;","&amp;#xe635;","&amp;#xe634;","&amp;#xe633;","&amp;#xe632;","&amp;#xe631;","&amp;#xe630;","&amp;#xe62f;","&amp;#xe62e;","&amp;#xe62d;","&amp;#xe62c;","&amp;#xe629;","&amp;#xe628;","&amp;#xe625;","&amp;#xe623;","&amp;#xe621;","&amp;#xe620;","&amp;#xe61f;","&amp;#xe61c;","&amp;#xe60b;","&amp;#xe619;","&amp;#xe61a;","&amp;#xe603;","&amp;#xe602;","&amp;#xe617;","&amp;#xe615;","&amp;#xe614;","&amp;#xe613;","&amp;#xe612;","&amp;#xe611;","&amp;#xe60f;","&amp;#xe60e;","&amp;#xe60d;","&amp;#xe60c;","&amp;#xe60a;","&amp;#xe609;","&amp;#xe605;","&amp;#xe607;","&amp;#xe606;","&amp;#xe604;","&amp;#xe600;","&amp;#xe658;","&amp;#x1007;","&amp;#x1006;","&amp;#x1005;","&amp;#xe608;"];
                }
            }
        };

        a.init();
        return new IconPicker();
    };

    /**
     * 选中图标
     * @param filter lay-filter
     * @param iconName 图标名称，自动识别fontClass/unicode
     */
    IconPicker.prototype.checkIcon = function (filter, iconName){
        var el = $('*[lay-filter='+ filter +']'),
            p = el.next().find('.layui-iconpicker-item .layui-icon'),
            c = iconName;

        if (c.indexOf('#xe') > 0){
            p.html(c);
        } else {
            p.html('').attr('class', 'layui-icon ' + c);
        }
        el.attr('value', c).val(c);
    };

    var iconPicker = new IconPicker();
    exports(_MOD, iconPicker);
});

 src/main/webapp/static/layui/lay/modules/labelGeneration.js

New file
@@ -0,0 +1,282 @@
layui.define(['form'], function (exports) {

    var form = layui.form,
        $ = layui.jquery,
        layer = layui.layer,
        index = 0,
        oldId,
    MOD_NAME = 'labelGeneration',
        formField = {
            label: {
                id: '-1',
                tag: "label",
            },
        },
        labelGeneration = {
            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);
            }
        },
        Class = function (options) {
            var that = this;
            that.config = $.extend({}
                , that.config
                , labelGeneration.config
                , options);
            that.render();
        },
        thisIns = function () {
            var that = this
                , options = that.config;
            return {
                reload: function (options) {
                    that.reload.call(that
                        , options);
                }, getOptions: function () {
                    return options || null;
                }, getData: function () {
                    return options.data || null;
                }
            }
        }

    Class.prototype.config = {
        version: "1.0.0"
        , Author: "谁家没一个小强"
        , generateId: 0
        , data: []
        , isEnter: false
    };

    /* 自动生成ID 当前页面自动排序*/
    Class.prototype.autoId = function (tag) {
        var that = this,
            options = that.config;
        options.generateId = options.generateId + 1;
        return tag + '_' + options.generateId;
    }

    Class.prototype.components = {
        label: {
            render: function (json,options) {
                var _html = '<blockquote class="layui-elem-quote">';
                _html += '<div class="layui-form layui-form-pane layui-form-item">';
                _html += '<label class="layui-form-label">输入标签</label>';
                _html += '<div class="layui-input-inline">';
                if (options.isEnter) {
                _html += '<input type="text" id="{0}"  placeholder="按回车生成标签" autocomplete="off" class="layui-input">'
                    .format(json.id);
                } else {
                    _html += '<input type="text" id="{0}" placeholder="通过按钮生成标签" autocomplete="off" class="layui-input">'
                    .format(json.id);
                }
                _html += '</div>';
                if (!options.isEnter) {
                    _html += '<button type="button" id="{0}-button" class="layui-btn layui-btn-normal">确定</button>'.format(json.id);
                }
                _html += '<label class="layui-form-label">颜色选择</label>';
                _html += '<div class="layui-input-inline">';
                _html += '<select lay-filter="{0}-switchTest">'.format(json.id);
                _html += '<option value="" selected>墨绿色</option>';
                _html += '<option value="layui-btn-primary">原始色</option>';
                _html += '<option value="layui-btn-normal">天蓝色</option>';
                _html += '<option value="layui-btn-warm">暖黄色</option>';
                _html += '<option value="layui-btn-danger">红色</option>';
                _html += '</select>';
                _html += '</div>';
                _html += '</div>';
                _html += '<div id="{0}-content" class="layui-btn-container"></div>'.format(json.id);
                _html += '</blockquote>';
                return _html;
            },
            update: function (json) {

            },
            /* 获取对象 */
            jsonData: function (id, that) {
                //分配一个新的ID
                var _json = JSON.parse(JSON.stringify(formField.label));
                _json.id = id == undefined ? that.autoId(_json.tag) : id;
                that.checkId(_json,that);
                return _json;
            }
        }
    };

    /* 判定id是否重复*/
    Class.prototype.checkId = function (json,that) {
        if ($("#" + json.id + "-content").length != 0) {
                json.id = that.autoId(json.tag);
                that.checkId(json);
        } else {
            return;
        }
    }

    Class.prototype.bindGridSortEvent = function (json) {
        var that = this
            , options = that.config;
        var formItemSort = Sortable.create(document.getElementById(json.id + "-content"), {
            group: {
                name: 'group' + json.id
            },
            animation: 1000,
            onEnd: function (evt) {
                var _values = $("#" + json.id + "-content").find("div");
                var ops = [];
                for (var i = 0; i < _values.length; i++) {
                    ops.push({"ngColor": $(_values[i]).attr("ng-color"), "value": $(_values[i]).text()});
                }
                options.data = ops;
            }
        });
    }

    /* 绑定事件*/
    Class.prototype.deleteValue = function (value, ngValue) {
        var that = this
            , options = that.config;
        for (var i = 0; i < options.data.length; i++) {
            if (options.data[i].value === value && options.data[i].ngColor === ngValue) {
                options.data.splice(i, 1);
                break;
            }
        }
    }

    /* 绑定事件*/
    Class.prototype.bindPropertyEvent = function (_json) {
        var that = this
            , options = that.config;
        var colorClass = "";
        if (options.isEnter) {
            $("#" + _json.id).keypress(function (event) {
                if (event.which === 13) {
                    var _value = $(this).val();
                    if (_value === "") {
                        layer.msg('标签值不能为空');
                        return;
                    }
                    index = index + 1;
                    var _html = '<div class="layui-btn {0} none-transition" id="{2}" ng-index="{3}" ng-color="{0}">{1}<i class="layui-icon layui-icon-close"></i></div>'
                        .format(colorClass, _value, _json.id + index, index);
                    $("#" + _json.id + "-content").append(_html);
                    options.data.push({"ngColor": colorClass, "value": _value});
                    $("#" + _json.id + index + " .layui-icon-close").click(function () {
                        that.deleteValue($(this).parent().text(), $(this).parent().attr("ng-color"));
                        $(this).parent().remove();
                    });
                    return false;
                }
            });
        } else {
            $("#" + _json.id + "-button").click(function (event) {
                var _value = $("#" + _json.id).val();
                if (_value === "") {
                    layer.msg('标签值不能为空');
                    return;
                }
                index = index + 1;
                var _html = '<div class="layui-btn {0} none-transition" id="{2}" ng-index="{3}" ng-color="{0}">{1}<i class="layui-icon layui-icon-close"></i></div>'
                    .format(colorClass, _value, _json.id + index, index);
                $("#" + _json.id + "-content").append(_html);
                options.data.push({"ngColor": colorClass, "value": _value});
                $("#" + _json.id + index + " .layui-icon-close").click(function () {
                    that.deleteValue($(this).parent().text(), $(this).parent().attr("ng-color"));
                    $(this).parent().remove();
                });
            });
        }

        form.on('select(' + _json.id + '-switchTest)', function (data) {
            colorClass = data.value;
        });
        for (var i = 0; i < options.data.length; i++) {
            index = index + 1;
            var _html = '<div class="layui-btn {0} none-transition" id="{2}" ng-index="{3}" ng-color="{0}">{1}<i class="layui-icon layui-icon-close"></i></div>'
                .format(options.data[i].ngColor, options.data[i].value, _json.id + index, index);
            $("#" + _json.id + "-content").append(_html);
            $("#" + _json.id + index + " .layui-icon-close").click(function () {
                that.deleteValue($(this).parent().text(), $(this).parent().attr("ng-color"));
                $(this).parent().remove();
            });
        }
    }

    /* 渲染组件 */
    Class.prototype.renderComponents = function () {
        var that = this
            , options = that.config;
        var elem = $(options.elem);
        elem.empty();
        var jsonData = that.components['label'].jsonData(undefined, that);
        elem.append(that.components['label'].render(jsonData,options));
        that.bindPropertyEvent(jsonData);
        that.bindGridSortEvent(jsonData);
        form.render();
    }

    Class.prototype.reload = function (options) {
        var that = this;
        options = options || {};//如果是空的话，就赋值 {}
        that.config = $.extend({}
            , that.config
            , labelGeneration.config
            , options);
        that.render(options);
    }

    //核心入口 初始化一个 regionSelect 类
    labelGeneration.render = function (options) {
        var ins = new Class(options);
        return thisIns.call(ins);
    }
    /**
     * 渲染组件
     */
    Class.prototype.render = function (options) {
        var that = this
            , options = that.config;
        that.renderComponents();
    }

    String.prototype.format = function (args) {
        var result = this;
        if (arguments.length > 0) {
            if (arguments.length == 1 && typeof (args) == "object") {
                for (var key in args) {
                    if (args[key] != undefined) {
                        var reg = new RegExp("({" + key + "})"
                            , "g");
                        result = result.replace(reg
                            , args[key]);
                    }
                }
            } else {
                for (var i = 0; i < arguments.length; i++) {
                    if (arguments[i] != undefined) {
                        var reg = new RegExp("({[" + i + "]})"
                            , "g");
                        result = result.replace(reg
                            , arguments[i]);
                    }
                }
            }
        }
        return result;
    }

    exports(MOD_NAME, labelGeneration);
});

 src/main/webapp/static/layui/lay/modules/numberInput.js

New file
@@ -0,0 +1,204 @@
layui.define(['jquery','util','layer'],function (exports) {
    var $ = layui.$,
        util = layui.util,
        layer = layui.layer,
        input_elem = 'input[number-input]',
        baseClassName = 'layui-input-number',
        numberInputBtn = [
            '<div class="layui-number-input-btn">',
            '<i class="layui-icon layui-icon-up" lay-click="numberUp"></i>',
            '<i class="layui-icon layui-icon-down" lay-click="numberDown"></i>',
            '</div>',
        ].join(''),
        style = [
            '<style type="text/css">',
            '.layui-number-input-container{position:relative;width:100%}',
            '.'+baseClassName+'::-webkit-outer-spin-button,.'+baseClassName+'::-webkit-inner-spin-button{-webkit-appearance: none;}',
            '.'+baseClassName+'{-moz-appearance: textfield;padding-right:22px}',
            '.layui-number-input-btn{position:absolute;top:0;right:0;width:20px;height:100%;}',
            '.layui-number-input-btn i{position:absolute;width:20px;height:50%;bottom:0;font-size:12px;text-align:center;line-height:16px;cursor: pointer;}',
            '.layui-number-input-btn i:first-child{top:0}',
            '.layui-number-input-btn i:hover{background:#eee;}',
            '</style>'
        ].join('');
    $('head link:last')[0] && $('head link:last').after(style) || $('head').append(style);

    var numberInput = {
        options:{
            elem:input_elem
        },
        render:function (option) {
            var _this = this;
            _this.options = $.extend(_this.options, option);
            $(_this.options.elem).not('[lay-ignore]').addClass(baseClassName).wrap('<div class="layui-number-input-container"></div>');
            $(_this.options.elem).not('[lay-ignore]').after(numberInputBtn);
            _this.listen();
        },
        listen:function () {
            var _this = this;
            $(_this.options.elem).bind('input propertychange',function () {
                var value = $(this).val();
                $(this).val(value.replace(/[^\-?\d.]/g,''));
            });

            $(_this.options.elem).keydown(function (event) {
                var e = event||window.event;
                var k = e.keyCode || e.which;
                switch (k) {
                    case 38:
                        // 按下向上箭头
                        $(this).siblings('.layui-number-input-btn').children('[lay-click="numberUp"]').trigger('click').css('background','#eee');
                        break;
                    case 40:
                        // 按下向上箭头
                        $(this).siblings('.layui-number-input-btn').children('[lay-click="numberDown"]').trigger('click').css('background','#eee');
                        break;
                    default:
                        break;
                }
                return false;
            });
            $(_this.options.elem).keyup(function () {
                var e = event||window.event;
                var k = e.keyCode || e.which;
                switch (k) {
                    case 38:
                        // 按下向上箭头
                        $(this).siblings('.layui-number-input-btn').children('[lay-click="numberUp"]').css('background','');
                        break;
                    case 40:
                        // 按下向上箭头
                        $(this).siblings('.layui-number-input-btn').children('[lay-click="numberDown"]').css('background','');
                        break;
                    default:
                        break;
                }
                return false;
            });
            var timeOut;
            //长按
            $('[lay-click="numberUp"],[lay-click="numberDown"]').mousedown(function () {
                var $this = $(this);
                timeOut = setInterval(function () {
                    $this.trigger('click');
                },200)
            });
            $('[lay-click="numberUp"],[lay-click="numberDown"]').mouseup(function () {
                clearInterval(timeOut);
            });
            $('[lay-click="numberUp"],[lay-click="numberDown"]').mouseout(function () {
                clearInterval(timeOut);
            });
            util.event('lay-click',{
                numberUp:function (othis) {
                    var thisInput = othis.parent().parent().children('.'+baseClassName);
                    var thisInputValue = Number(thisInput.val()||0);
                    var step = thisInput.attr('step')||1;
                    var maxValue = Number(thisInput.attr('max'));
                    if (maxValue!=undefined){
                        if (thisInputValue>=maxValue){
                            layer.tips('最大值'+maxValue,thisInput,{tips:1});
                            return false;
                        }
                    }
                    thisInputValue=_this.add(thisInputValue,parseFloat(step));
                    thisInput.val('').focus().val(thisInputValue);
                },
                numberDown:function(othis){
                    var thisInput = othis.parent().parent().children('.'+baseClassName);
                    var thisInputValue = thisInput.val()||0;
                    var step = thisInput.attr('step')||1;
                    var minValue = thisInput.attr('min');
                    if (minValue!=undefined){
                        if (thisInputValue<=minValue){
                            layer.tips('最小值'+minValue,thisInput,{tips:1});
                            return false;
                        }
                    }
                    thisInputValue = _this.subtraction(thisInputValue,step);
                    thisInput.val('').focus().val(thisInputValue);
                }
            });
        },
        /**
         * 加法
         * @param arg1
         * @param arg2
         * @returns {number}
         */
        add:function (arg1, arg2) {
            var r1,r2,m;
            try{r1=arg1.toString().split(".")[1].length}catch(e){r1=0}
            try{r2=arg2.toString().split(".")[1].length}catch(e){r2=0}
            m=Math.pow(10,Math.max(r1,r2))
            return (this.multiplication(arg1,m)+this.multiplication(arg2,m))/m
        },
        /**
         * 减法
         * @param arg1 被减数
         * @param arg2 减数
         * @returns {string}
         */
        subtraction:function (arg1, arg2) {
            var r1, r2, m, n;
            try {
                r1 = arg1.toString().split(".")[1].length;
            }
            catch (e) {
                r1 = 0;
            }
            try {
                r2 = arg2.toString().split(".")[1].length;
            }
            catch (e) {
                r2 = 0;
            }
            m = Math.pow(10, Math.max(r1, r2));
            //last modify by deeka
            //动态控制精度长度
            n = (r1 >= r2) ? r1 : r2;
            return ((arg1 * m - arg2 * m) / m).toFixed(n);
        },
        /**
         * 乘法
         * @param arg1
         * @param arg2
         * @returns {number}
         */
        multiplication:function (arg1,arg2) {
            var m=0,s1=arg1.toString(),s2=arg2.toString();
            try{m+=s1.split(".")[1].length}catch(e){}
            try{m+=s2.split(".")[1].length}catch(e){}
            return Number(s1.replace(".",""))*Number(s2.replace(".",""))/Math.pow(10,m)
        },
        /**
         * 除法
         * @param arg1
         * @param arg2
         * @returns {*|number}
         */
        division:function (arg1,arg2) {
            var t1 = 0, t2 = 0, r1, r2;
            try {
                t1 = arg1.toString().split(".")[1].length
            } catch (e) {
            }
            try {
                t2 = arg2.toString().split(".")[1].length
            } catch (e) {
            }
            with (Math) {
                r1 = Number(arg1.toString().replace(".", ""))
                r2 = Number(arg2.toString().replace(".", ""))
                return this.multiplication((r1 / r2), pow(10, t2 - t1));
            }
        }
    };
    //外部接口
    var exportApi = {
        render:function(option){
            numberInput.render(option)
        },
    };
    exports('numberInput',exportApi);
});

 src/main/webapp/static/layui/lay/modules/staticField.js

New file
@@ -0,0 +1,306 @@
layui.define(['layer'], function (exports) {

    var staticField = {
        lang :  {
            id: "标识",
            label: "标题",
            index: "序号",
            tag: "表单类型",
            tagIcon: '图标',
            width: '宽度',
            height: "高度",
            span: '网格宽度',
            placeholder: "placeholder",
            defaultValue: "默认值",
            dateDefaultValue:'默认时间',
            labelWidth: "文本宽度",
            clearable: "是否清楚",
            prepend: "前缀",
            append: "追加",
            prefixIcon: '前缀图标',
            suffixIcon: '后缀图标',
            maxlength: "最大长度",
            showWordLimit: "是否限制字符",
            readonly: "只读",
            disabled: "禁用",
            required: "必填",
            columns: "列数",
            options: "选项",
            switchValue: "默认值",
            maxValue: "最大值",
            minValue: "最小值",
            dataMaxValue: "最大日期",
            dataMinValue: "最小日期",
            stepValue: "步长",
            dateType: "日期类型",
            dateFormat: "日期格式",
            half: "显示半星",
            theme: "皮肤",
            rateLength: "星星个数",
            interval: "间隔毫秒",
            startIndex: "开始位置",
            full: "是否全屏",
            arrow: "鼠标样式",
            contents: "内容",
            document: '帮助文档',
            input: "输入框",
            select: "下拉",
            checkbox: "多选组",
            radio: "单选组",
            date: "日期",
            editor: "iceEditor编辑器",
            slider: "滑块",
            image: "图片",
            grid: "一行多列",
            colorpicker: "颜色选择器",
            textarea: "多行文本",
            rate: "评分控件",
            switch: "开关",
            password: "密码框",
            carousel: "轮播",
            text: "显示文本",
            uploadUrl: "上传路径",
            expression: "验证",
            file: "文件",
            autoplay: "自动切换",
            anim: "切换方式",
            arrow: "切换箭头",
            tab:"tab选项卡",
            tabHeaders:"tab标题",
            isInput:"显示输入框",
            dateRange:"日期范围",
            dateRangeDefaultValue:"默认范围",
            menu:"头部菜单",
            numberInput:"排序文本框",
            iconPicker:"图标选择器",
            iconPickerSearch:"是否搜索",
            iconPickerPage:"是否分页",
            iconPickerLimit:"显示数量",
            iconPickerCellWidth:"图标宽度",
            cron:"Cron表达式",
            cronUrl:"运行路径",
            labelGeneration:"标签组件",
            isEnter:"是否回车",
            buttonIcon:"按钮图标",
            buttonType:"按钮类型",
            buttonSize:"组件尺寸",
            bottom:"按钮组件",
            buttonVlaue:"按钮文字",
            sign:"sign签名组件",
            hideLabel:"隐藏标签",
            colorSelection:"颜色选择",
            blockquote:"便签信息",
            line:"分割线",
            spacing:"间距",
            whiteSpace:"组件高度",
            textField:"HTML"
        },
        templateFormList : [
        ],
        expressions : [{text: '默认', value: ""}
            , {text: '数字', value: 'number'}
            , {text: '邮箱', value: 'email'}
            , {text: '手机', value: 'phone'}
            , {text: '身份证', value: 'identity'}
            , {text: '日期', value: 'date'}
            , {text: '网址', value: 'url'}
            , {text: '密码', value: 'pass'}
        ], anims : [{text: '左右切换', value: 'default'}
            , {text: '上下切换', value: 'updown'}
            , {text: '渐隐渐显切换', value: 'fade'}
        ], arrows : [{text: '悬停显示', value: 'hover'}
            , {text: '始终显示', value: 'always'}
            , {text: '始终不显示', value: 'none'}]
        , dateTypes : [{text: '年选择器', value: 'year'}
            , {text: '年月选择器', value: 'month'}
            , {text: '时间选择器', value: 'time'}
            , {text: '日期选择器', value: 'date'}
            , {text: '日期时间选择器', value: 'datetime'}]
        , buttonTypes : [{text: '原始', value: 'layui-btn-primary'}
            , {text: '默认', value: ""}
            , {text: '百搭', value: 'layui-btn-normal'}
            , {text: '暖色', value: 'layui-btn-warm'}
            , {text: '警告', value: ' layui-btn-danger'}]
        , buttonSizes : [{text: '大型', value: 'layui-btn-lg'}
            , {text: '默认', value: ""}
            , {text: '小型', value: 'layui-btn-sm'}
            , {text: '迷你', value: 'layui-btn-xs'}]
        , dateFormats : ["yyyy年MM月", "yyyy-MM-dd", "dd/MM/yyyy", "yyyyMMdd", "yyyy-MM-dd HH:mm:ss", "yyyy年MM月dd日 HH时mm分ss秒"]
        , iceEditMenus : [
            {value:'backColor',text:'字体背景颜色'},{value:'fontSize',text:'字体大小'},{value:'foreColor',text:'字体颜色'},{value:'bold',text:'粗体'},
            {value:'italic',text:'斜体'},{value:'underline',text:'下划线'},{value:'strikeThrough',text:'删除线'},{value:'justifyLeft',text:'左对齐'},
            {value:'justifyCenter',text:'居中对齐'},{value:'justifyRight',text:'右对齐'},{value:'indent',text:'增加缩进'},{value:'outdent',text:'减少缩进'},
            {value:'insertOrderedList',text:'有序列表'},{value:'insertUnorderedList',text:'无序列表'},{value:'superscript',text:'上标'},{value:'subscript',text:'下标'},
            {value:'createLink',text:'创建连接'},{value:'unlink',text:'取消连接'},{value:'hr',text:'水平线'},{value:'face',text:'表情'},{value:'table',text:'表格'},
            {value:'files',text:'附件'},{value:'music',text:'音乐'},{value:'video',text:'视频'},{value:'insertImage',text:'图片'},
            {value:'removeFormat',text:'格式化样式'},{value:'code',text:'源码'},{value:'line',text:'菜单分割线'}
        ],
        formDesignerHtml : '<div class="layui-layout layui-layout-admin">\n' +
            '    <div class="layui-header">\n' +
            '        <div class="layui-logo">表单设计器</div>\n' +
            '        <!-- 头部区域（可配合layui已有的水平导航） -->\n' +
            '        <ul class="layui-nav layui-layout-left">\n' +
            '            <li class="layui-nav-item"><a href=""></a></li>\n' +
            '        </ul>\n' +
            '        <ul class="layui-nav layui-layout-right">\n' +
            '            <li class="layui-nav-item">\n' +
            '                <a id="saveJson" href="#" class="saveJson">保存</a>\n' +
            '            </li>\n' +
            '            <li class="layui-nav-item">\n' +
            '                <a id="btnImportJson" href="#" class="importJson">导入数据</a>\n' +
            '            </li>\n' +
            '            <li class="layui-nav-item">\n' +
            '                <a id="btnExportJson" href="#" class="exportJson">导出数据</a>\n' +
            '            </li>\n' +
            '            <li class="layui-nav-item">\n' +
            '                <a href="#" class="previewForm">预览</a>\n' +
            '            </li>\n' +
            '            <li class="layui-nav-item">\n' +
            '                <a href="#" class="generateCode">生成代码</a>\n' +
            '            </li>\n' +
            '        </ul>\n' +
            '    </div>\n' +
            '    <div class="layui-side">\n' +
            '        <div class="layui-side-scroll" style="width: 260px;">\n' +
            '            <!-- 左侧导航区域（可配合layui已有的垂直导航） -->\n' +
            '            <div class="layui-tab layui-tab-brief" lay-filter="components-list">\n' +
            '                <ul class="layui-tab-title">\n' +
            '                    <li class="layui-this">组件</li>\n' +
            '                    <li class="">模板</li>\n' +
            '                </ul>\n' +
            '                <div class="layui-tab-content">\n' +
            '                    <div class="layui-tab-item layui-show">\n' +
            '                        <div class="components-list" id="components-form-list">\n' +
            '                        </div>\n' +
            '                    </div>\n' +
            '                    <div class="layui-tab-item" >\n' +
            '                        <div id="template-form-list" class="components-list">\n' +
            '                        </div>\n' +
            '                    </div>\n' +
            '                </div>\n' +
            '            </div>\n' +
            '        </div>\n' +
            '    </div>\n' +
            '    <div class="layui-body">\n' +
            '        <!-- 内容主体区域 -->\n' +
            '        <form class="layui-form layui-form-pane" style="height:98%;">\n' +
            '            <div class="layui-form" id="formDesignerForm" lay-filter="formDesignerForm">\n' +
            '                <div class="layui-row layui-empty">\n' +
            '                    从左侧拖拽控件到此设计区域来添加字段\n' +
            '                </div>\n' +
            '            </div>\n' +
            '            <button type="button" class="layui-btn" style="display: none" lay-submit lay-filter="*">立即提交</button>\n' +
            '        </form>\n' +
            '    </div>\n' +
            '    <div class="layui-side-right">\n' +
            '        <div class="layui-side-scroll" style="width: 350px;">\n' +
            '            <!-- 属性导航 -->\n' +
            '            <form class="layui-form  layui-form-pane">\n' +
            '                <div class="layui-tab layui-tab-brief" lay-filter="form-attr">\n' +
            '                    <ul class="layui-tab-title">\n' +
            '                        <li class="layui-this">字段设置</li>\n' +
            '                        <li>表单设置</li>\n' +
            '                    </ul>\n' +
            '                    <div class="layui-tab-content">\n' +
            '                        <div class="layui-tab-item layui-show" id="columnProperty">\n' +
            '                        </div>\n' +
            '                        <div class="layui-tab-item" id="formProperty">\n' +
            '                            <!--表单ID-->\n' +
            '                            <div class="layui-form-item">\n' +
            '                                <label class="layui-form-label">表单ID</label>\n' +
            '                                <div class="layui-input-block">\n' +
            '                                    <input type="text" name="formId" required="" lay-verify="required"\n' +
            '                                           placeholder="请输入表单ID" autocomplete="off" class="layui-input">\n' +
            '                                </div>\n' +
            '                            </div>\n' +
            '                            <!--//表单ID-->\n' +
            '                            <!--表单名称-->\n' +
            '                            <div class="layui-form-item">\n' +
            '                                <label class="layui-form-label">表单名称</label>\n' +
            '                                <div class="layui-input-block">\n' +
            '                                    <input type="text" name="formName" required="" lay-verify="required"\n' +
            '                                           placeholder="请输入表单名称" autocomplete="off" class="layui-input">\n' +
            '                                </div>\n' +
            '                            </div>\n' +
            '                            <!--//end-->\n' +
            '                        </div>\n' +
            '                    </div>\n' +
            '                </div>\n' +
            '            </form>\n' +
            '        </div>\n' +
            '    </div>\n' +
            '</div>',
        formDefaultButton:'<div class="layui-form-item">\n' +
            '    <div class="layui-input-block">\n' +
            '        <button type="submit" class="layui-btn" lay-submit="" lay-filter="demo1">提交</button>\n' +
            '        <button type="reset" class="layui-btn layui-btn-primary">重置</button>\n' +
            '    </div>\n' +
            '</div>',
        importHtml:'<div class="importjsoncodeview layui-layer-wrap" style="display: none;">\n' +
            '    <textarea class="site-demo-text" id="import-json-code-view"></textarea>\n' +
            '    <a href="javascript:;" class="layui-btn layui-btn-normal" style="margin-right:20px;" id="import-json-code">导入数据</a>\n' +
            '</div>',
        exportHtml:'<div class="htmlcodeview layui-layer-wrap" style="display: none;">\n' +
            '    <textarea class="site-demo-text" id="generate-code-view"></textarea>\n' +
            '    <a href="javascript:;" class="layui-btn layui-btn-normal" style="margin-right:20px;" id="copy-html-code">复制代码</a>\n' +
            '</div>',
        htmlCode: '<html>\n' +
            '<head>\n' +
            '    <meta charset="utf-8">\n' +
            '    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">\n' +
            '    <title>表单设计器代码</title>\n' +
            '    <link rel="stylesheet" href="https://www.layuicdn.com/layui-v2.5.6/css/layui.css"/>\n' +
            '    <link rel="stylesheet" href="./ayq/modules/cron.css" />\n' +
            '    <link rel="stylesheet" href="./ayq/modules/labelGeneration.css" />\n' +
            '    <link rel="stylesheet" href="./ayq/modules/formDesigner.css" />\n' +
            '</head>\n' +
            '<body>\n' +
            '<div id="testdemo" style="margin: 10px 20px;">\n' +
            '    <form class="layui-form" style="height:100%;" id="formPreviewForm">\n' +
            '        {0}\n' +
            '        <div class="layui-form-item">\n' +
            '            <div class="layui-input-block">\n' +
            '                <button type="submit" class="layui-btn" lay-submit="" lay-filter="formPreviewForm">提交</button>\n' +
            '                <button type="reset" class="layui-btn layui-btn-primary">重置</button>\n' +
            '            </div>\n' +
            '        </div>\n' +
            '    </form>\n' +
            '</div>\n' +
            '<script type="text/javascript" src="https://www.layuicdn.com/layui-v2.5.6/layui.js"></script>\n' +
            '<script type="text/javascript" src="./ayq/modules/Sortable/Sortable.js"></script>\n' +
            '<script type="text/javascript" src="./ayq/modules/numberInput/numberInput.js"></script>\n' +
            '<script type="text/javascript" src="./ayq/modules/icon/iconPicker.js"></script>\n' +
            '<script type="text/javascript" src="./ayq/modules/cron/cron.js"></script>\n' +
            '<script type="text/javascript" src="./ayq/modules/iceEditor/iceEditor.js"></script>\n' +
            '<script type="text/javascript" src="./ayq/modules/labelGeneration/labelGeneration.js"></script>\n' +
            '<script type="text/javascript" src="./ayq/js/config.js?v=100"></script>\n' +
            '<script>\n' +
            '    layui.use(["layer", "laytpl", "element", "form", "slider", "laydate", "rate", "colorpicker", "layedit", "carousel", "upload", "formField", "numberInput", "iconPicker", "cron", "labelGeneration"], function () {\n' +
            '        var $ = layui.jquery\n' +
            '            , layer = layui.layer\n' +
            '            , laytpl = layui.laytpl\n' +
            '            , setter = layui.cache\n' +
            '            , element = layui.element\n' +
            '            , slider = layui.slider\n' +
            '            , laydate = layui.laydate\n' +
            '            , rate = layui.rate\n' +
            '            , colorpicker = layui.colorpicker\n' +
            '            , carousel = layui.carousel\n' +
            '            , form = layui.form\n' +
            '            , upload = layui.upload\n' +
            '            , layedit = layui.layedit\n' +
            '            , formField = layui.formField\n' +
            '            , hint = layui.hint\n' +
            '            , numberInput = layui.numberInput\n' +
            '            , iconPicker = layui.iconPicker\n' +
            '            , cron = layui.cron\n' +
            '            , labelGeneration = layui.labelGeneration;\n' +
            '        {1}\n' +
            '    });\n' +
            '</script>\n' +
            '</body>\n' +
            '</html>'
    }
    exports('staticField', staticField);

});

 src/main/webapp/views/planType/planType.html

@@ -7,6 +7,10 @@
    <title>弹窗实例</title>
    <link rel="stylesheet" href="../../static/layui/css/layui.css" media="all">
    <link rel="stylesheet" href="../../static/css/admin.css?v=318" media="all">

    <link rel="stylesheet" href="../../static/layui/lay/modules/formDesigner/cron.css" />
    <link rel="stylesheet" href="../../static/layui/lay/modules/formDesigner/labelGeneration.css" />
    <link rel="stylesheet" href="../../static/layui/lay/modules/formDesigner/formDesigner.css" />
    <!--[if lt IE 9]>
    <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
    <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
@@ -117,10 +121,8 @@
<script type="text/html" id="formEditDialog">
    <div class="layui-fluid" style="height: 100%;padding: 0">
        <div class="layui-card">
            <div class="layui-card-header" style="padding: 10px 20px; font-size: 1.1rem">
                表单设计
            </div>
            <div class="layui-card-body">
            <div class="layui-card-body" style="height: 800px">
                <div style="height: 100%; width: 100%;" id="formDesigner">
            </div>
        </div>
    </div>
@@ -131,16 +133,18 @@
<script type="text/javascript" src="../../static/layui/layui.js" charset="utf-8"></script>
<script type="text/javascript" src="../../static/js/common.js" charset="utf-8"></script>
<script type="text/javascript" src="../../static/js/cool.js" charset="utf-8"></script>
<script type="text/javascript" src="../../static/layui/lay/modules/formDesigner/Sortable/Sortable.js"> </script>
<script>
    layui.config({
        base: baseUrl + "/static/layui/lay/modules/"
    }).use(['table','laydate', 'form', 'util', 'admin'], function(){
    }).use(['table','laydate', 'form', 'util', 'admin', 'formDesigner'], function(){
        var $ = layui.jquery;
        var layer = layui.layer;
        var admin = layui.admin;
        var form = layui.form;
        var table = layui.table;
        var laydate = layui.laydate;
        var formDesigner = layui.formDesigner;

        // 添加
        $('#eDialogAddBtn').click(function () {
@@ -208,7 +212,10 @@
                    // btnAlign: 'c',
                    content: $('#formEditDialog').html(),
                    success: function (layero, dIndex) {

                        let formDesIdx = formDesigner.render({
                            data: [],
                            elem:'#formDesigner'
                        });
                    }
                })
            } else if (obj.event === 'delete') {