ExtJS4.2学习(10)分组表格控件--GroupingGrid

简介:

分组表格控件在我们的开发中经常被用到,GroupingGrid分组表格就是在普通表格的基础上,根据某一列的数据显示表格中的数据分组的表格控件。举个例子给大家,比如某些信息用树形显示觉得有点大才小用,树形可以有无限极,但是用了分组表格可以完美的展示信息,看下图是我的项目中用到的一个例子,将所有评分项显示出来,并且动态获取是否有次数,如果有次数将出现可编辑,没有次数就不可编辑,如果需要扣分就出现链接,没有就不出现,这正好结合了我们前几节学的知识,看下面的图:
e3928013ae22ce03d29dee09a5901d03.jpg
具体代码:我这里是在其他组件中弹出的这个分组表格控件,所以大家看重点代码即可,当时写这个功能可花费了不少时间,大家好好研究哈~

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     actions.push(
         {
             text:  '评分' ,
             iconCls:  'gradebtn' ,
             listeners: {
                 'click'  function () {
                     var  xg = Ext.grid;
                 
                     var  store =  new  Ext.data.GroupingStore({
                             autoLoad: true ,
                             reader:  new  Ext.data.JsonReader({
                                 root:  'data' ,
                                 totalProperty:  'total' ,
                                 remoteSort:  true
                             },
                             [
                                 {name: 'groupid' },
                                 {name: 'groupname' },
                                 {name: 'itemid' },
                                 {name: 'itemgroupid' },
                                 {name: 'itemname' },
                                 {name: 'itemvalue' },
                                 {name: 'isnumber' },
                                 {name: 'status' ,type: 'boolean' },
                                 {name:  'desc' }
                             ]),
                             proxy:  new  Ext.data.HttpProxy({
                                  url: window.webRoot +  'rest/qaitem/' ,
                                  method:  'GET'
                             }),
                             sortInfo:{field:  'itemname' , direction:  "ASC" },
                             groupField: 'groupname'
                     });
                     var  sm =  new  Ext.grid.CheckboxSelectionModel();
                     /** 设置次数
                     setNumber = function(v){
                         console.info(v);
                         var record = sm.getSelected();
                         record.set('isNumber',v);
                     }
                      */
                     var  grid =  new  xg.EditorGridPanel({
                         store: store,
                         clicksToEdit: 1,
                         stripeRows: true ,
                         sm: sm,
                         listeners: {
                             beforeedit:  function (e) {
                                 if  (e.record.get( "isnumber" ) ==  "NO" ) {
                                     return  false ;
                                 } else {
                                     return  true ;
                                 }
                             }
                         },
                         columns: [
                             {id: 'itemname' ,header:  "选项组名称" , width: 270, sortable:  true , dataIndex:  'itemname' },
                             {header:  "次数" , width: 30, sortable:  true , dataIndex:  'isnumber' ,
                                 editor:  new  Ext.form.NumberField(),
                                 renderer:  function (v,m,r){
                                     return  v; 
                                     /*
                                     if(v =="YES"){
                                         var showv = (r.data.isnumber=="YES"?'' : r.data.isNumber);
                                         return  r.data.isNumber;//"<input type='text' value = '"+showv+"' size='7' onkeyup ='setNumber(this.value)' />";
                                     }else if(v=="NO"){
                                         return "不存在次数";
                                     }else{
                                         return "数据读取失败";
                                     }
                                     */
                                 }
                             },
                             {dataIndex:  'groupid' ,hidden: true },
                             {dataIndex:  'itemid' ,hidden: true },
                             {dataIndex:  'itemgroupid' ,hidden: true },
                             {dataIndex: 'status' ,hidden: true },
                             {header: '分值' , width:20, sortable: true , dataIndex:  'itemvalue' ,
                                 renderer:  function (v,m,r){
//                                  m.css='x-grid-bak-blue';
                                     var  str =  "<a href='javascript:void(0);'>" +v+ "</a>" ;
                                     var  str1 =  "<a href='javascript:void(0);'>取消</a>" ;
                                     if (r.data.isnumber !=  "NO"  ){
                                         return  v;
                                     }
                                     return  !r.data.status?str : str1;
                                 }
                             },
                             {header:  "评分选项组" , width: 30, sortable:  true , dataIndex:  'groupname' }
                         ],
                         view:  new  Ext.grid.GroupingView({
                             forceFit: true ,
                             groupTextTpl:  '{text} ({[values.rs.length]} {[values.rs.length > 1 ? "项" : "个"]})'
                         }),
                         frame: true ,
                         loadMask: true ,
                         layout:  'fit' ,
                         width: 950,
                         height: 450
                     });
                                     
                     points =  function (is){
                         var  r = sm.getSelected();
                         if (r.data.isnumber !=  "NO" ){
                             //转换成int操作  次数和是否扣分了
                                             
                         }
                         r.set( 'fenshu' , r.data.itemvalue);
                         r.set( 'status' ,!is);
                         r.commit();
                     }
                                     
                     var  win =  new  Ext.Window({
                         title: '质检评分' ,
                         width:955,
                         height:515,
                         region: 'center' ,
                         iconCls:  'gradebtn' ,
                         layout:  'fit' ,
                         resizable: true
                         modal: true ,
                         closeAction: 'hide' ,
                         items:[grid],
                         buttons:[{
                             text: '保存' ,
                             listeners : {
                                 'click'  function () {
                                     var  fenshu =  '' ,itemname = '' ;
                                     var  status =  '' ,itemgroupid = '' ;
                                     var  isNumber =  '' ,itemid= '' ;
                                     var  groupid =  '' ,grouptypeid= '' ,groupname= '' ;
                                     for  ( var  i = 0; i<store.data.items.length; i++) {
                                         var  rco = store.getAt(i);
                                         if (i==store.data.items.length-1){
                                             fenshu +=rco.get( 'itemvalue' );
                                             status += rco.get( 'status' );
                                             groupid += rco.get( 'groupid' );
                                             groupname += rco.get( 'groupname' );
                                             itemid += rco.get( 'itemid' );
                                             itemgroupid += rco.get( 'itemgroupid' );
                                             itemname += rco.get( 'itemname' );
                                             if (rco.get( 'isnumber' )== 'YES' ||rco.get( 'isnumber' )== 'NO' ||rco.get( 'isnumber' )== '' ){
                                                 isNumber +=  '0' ;
                                             } else {
                                                 isNumber += rco.get( 'isnumber' )+ '' ;
                                             }
                                         } else {
                                             fenshu +=rco.get( 'itemvalue' )+ ',' ;
                                             status += rco.get( 'status' )+ ',' ;
                                             groupid += rco.get( 'groupid' )+ ',' ;
                                             groupname += rco.get( 'groupname' )+ ',' ;
                                             itemid += rco.get( 'itemid' )+ ',' ;
                                             itemgroupid += rco.get( 'itemgroupid' )+ ',' ;
                                             itemname += rco.get( 'itemname' )+ ',' ;
                                             if (rco.get( 'isnumber' )== 'YES' ||rco.get( 'isnumber' )== 'NO' ||rco.get( 'isnumber' )== '' ){
                                                 isNumber +=  '0,' ;
                                             } else {
                                                 isNumber += rco.get( 'isnumber' )+ ',' ;
                                             }
                                         }
                                     }
                                     Ext.Ajax.request({
                                         url : window.webRoot +  'rest/qaitemscore/' ,
                                         params: {
                                                 userId: '<%=userId%>' ,
                                                 recordId:rec.get( 'id' ),
                                                 ani:rec.get( 'ani' ),
                                                 dnis:rec.get( 'dnis' ),
                                                 callType:rec.get( 'callType' ),
                                                 begintime:formatDateTime(rec.get( 'beginTime' )),
                                                 endtime:formatDateTime(rec.get( 'endTime' )),
                                                 length:rec.get( 'callTime' ),
                                                 extno:rec.get( 'extNo' ),
                                                 fileName:rec.get( 'fileName' ),
                                                 agentNo:rec.get( 'agentNo' ),
                                                 itemvalue: fenshu,
                                                 status: status,
                                                 isNumber: isNumber,
                                                 groupid: groupid,
                                                 grouptypeid: grouptypeid,
                                                 groupname: groupname,
                                                 itemid: itemid,
                                                 itemgroupid: itemgroupid,
                                                 itemname: itemname,
                                                 callId: rec.get( 'callId' ),
                                                 assigenederid: rec.get( 'assigeneder' )
                                                 },
                                         success:  function (res) {
                                             myMask.hide();
                                             var  respText = Ext.decode(res.responseText); 
                                             if (respText.code ==  'OK' ) {
                                                 Ext.Msg.alert( '系统提示' '评分成功' );
                                                 close();
                                             else  {
                                                 Ext.Msg.alert( '保存失败' , respText.message +  "("  + respText.code +  ")" );
                                             }
                                         },
                                         failure:  function (res) {
                                             myMask.hide();
                                             var  respText = Ext.decode(res.responseText);
                                             Ext.Msg.alert( '保存失败' , respText.message +  "("  + respText.code +  ")" );
                                         },
                                         method:  'POST'
                                     });
                                 }  
                             }
                         },{
                             text: '取消' ,
                             listeners : {  
                                 'click'  function () {
                                     close();
                                 }
                             }
                         }]
                     }).show();
                     var  close= function (){
                         win.hide();
                     }
                 }
             }
         }
     );

面的是不是觉得有点复杂了?额。。我的错,下面来看个简单的:
30aba30554a28539ea5983c72e0452c8.jpg
这个就简单许多啦,看下主要代码,相信聪明的你一定能明白:

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var  columns = [
                {header: '编号' ,dataIndex: 'id' },
                {header: '性别' ,dataIndex: 'sex' },
                {header: '名称' ,dataIndex: 'name' },
                {header: '描述' ,dataIndex: 'descn' }
                ];
var  data = [
             [ '1' , 'male' , 'name1' , 'descn1' ],
             [ '2' , 'female' , 'name2' , 'descn2' ],
             [ '3' , 'male' , 'name3' , 'descn3' ],
             [ '4' , 'female' , 'name4' , 'descn4' ],
             [ '5' , 'male' , 'name5' , 'descn5' ]
             ];
            
var  store =  new  Ext.data.ArrayStore({
     fields:[
             {name: 'id' },
             {name: 'sex' },
             {name: 'name' },
             {name: 'descn' }
             ],
     data:data,
     groupField: 'sex' //确定哪一项分组
     sorter:[{property: 'id' //排序属性
         direction: 'ASC' //排序方式
     ]
});
            
var  grid =  new  Ext.grid.GridPanel({
     autoHeight: true ,
     store:store,
     columns:columns,
     features:[{ftype: 'grouping' }],
     renderTo: 'grid'
});

这里的fields和data还是原来的示例一样,主要关注的是groupField,它确定通过哪一项进行分组。store可以设置sorter参数,这个参数对应的值有2项:property是排序的属性,direction是排序的方式。我们把数据传入,输出显示的就是分成一组一组的数据。但是,如果想显示成我们期待的那种形式,还需要设置feature为grouping
另外,分组表格控件的视图是有特殊功效的,通过它可以实现分组表格专用的对应功能,如下代码所示:

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//分组表格视图
Ext.get( 'expand' ).on( 'click' , function (){
     grid.view.features[0].expandAll();
});
Ext.get( 'collapse' ).on( 'click' , function (){
     grid.view.features[0].collapseAll();
});
Ext.get( 'one' ).on( 'click' function () {
        var  feature = grid.view.features[0];
     if  (feature.isExpanded( 'female' )) {
         feature.expand( 'female' );
         feature.collapse( 'female' );
     else  {
         feature.collapse( 'female' );
         feature.expand( 'female' );
     }
    });

当然实现上面的代码功能必须要有3个button了,每个id设置对应的点击事件,上例中expandAll()展示所有分组,collapseAll()折叠所有分组。如果想自动判断分组的状态进行对应的折叠或展开操作---当分组都已折叠时执行展开所有分组,当分组都已展开时执行折叠所有分组,这就需要我们自己写代码来判断分组的状态了。这部分还存在着一个初始化的小问题,每次虽然分组显示的都是展开,但是feature.isExpanded()返回的都是false,所以要重复调用collapse()和expand()两个函数,才能实现正常切换。
好了,现在你也来动手尝试下吧。




本文转自shyy8712872 51CTO博客,原文链接:http://blog.51cto.com/shuyangyang/1339592,如需转载请自行联系原作者


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