Ext.js 网格到网格拖放

2021-12-06 10:38 更新

描述

在拖放插件的帮助下,我们可以从一个网格拖动数据,并可以将其拖放到另一个网格,反之亦然。


下面提到的示例显示了如何从一个网格拖动数据到另一个网格,在这里我们有复位按钮来重置两个网格中的数据。


下面是一个简单的示例,显示了栅格之间的拖放。

<!DOCTYPE html>
<html>
<head>
   <link href="https://cdn.bootcss.com/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css" rel="external nofollow" target="_blank"  rel="stylesheet" />
   <script type="text/javascript" src="https://cdn.bootcss.com/extjs/6.0.0/ext-all.js" rel="external nofollow" ></script>
   <script type="text/javascript">
      Ext.require([
         'Ext.grid.*',
         'Ext.data.*',
         'Ext.dd.*'
      ]);
      // Creation of data model
      Ext.define('StudentDataModel', {
         extend: 'Ext.data.Model',
         fields: [
         {name: 'name', mapping : 'name'},
         {name: 'age', mapping : 'age'},
         {name: 'marks', mapping : 'marks'}
         ]
      });

      Ext.onReady(function(){
         // Store data
         var myData = [
            { name : "Asha", age : "16", marks : "90" },
            { name : "Vinit", age : "18", marks : "95" },
            { name : "Anand", age : "20", marks : "68" },
            { name : "Niharika", age : "21", marks : "86" },
            { name : "Manali", age : "22", marks : "57" }
         ];
         // Creation of first grid store
         var firstGridStore = Ext.create('Ext.data.Store', {
         model: 'StudentDataModel',
         data: myData
         });
         // Creation of first grid
         var firstGrid = Ext.create('Ext.grid.Panel', {
            multiSelect: true,
            viewConfig: {
               plugins: {
                  ptype: 'gridviewdragdrop',
                  dragGroup: 'firstGridDDGroup',
                  dropGroup: 'secondGridDDGroup'
               },
               listeners: {
                  drop: function(node, data, dropRec, dropPosition) {
                     var dropOn = dropRec ? ' ' + dropPosition + ' ' + dropRec.get('name') : ' on empty view';
                  }
               }
            },
            store            : firstGridStore,
            columns          :
               [{ 
                  header: "Student Name",
                  dataIndex: 'name',	
                  id : 'name',    
                  flex:  1,  			
               sortable: true
               },{
                  header: "Age", 
                  dataIndex: 'age',
                  flex: .5, 
                  sortable: true
               },{
                  header: "Marks",
                  dataIndex: 'marks',
                  flex: .5, 
                  sortable: true
               }],
            stripeRows       : true,
            title            : 'First Grid',
            margins          : '0 2 0 0'
         });
         // Creation of second grid store
         var secondGridStore = Ext.create('Ext.data.Store', {
            model: 'StudentDataModel'
         });
         // Creation of second grid
         var secondGrid = Ext.create('Ext.grid.Panel', {
            viewConfig: {
               plugins: {
                  ptype: 'gridviewdragdrop',
                  dragGroup: 'secondGridDDGroup',
                  dropGroup: 'firstGridDDGroup'
               },
               listeners: {
                  drop: function(node, data, dropRec, dropPosition) {
                     var dropOn = dropRec ? ' ' + dropPosition + ' ' + dropRec.get('name') : ' on empty view';
                  }
               }
            },
            store            : secondGridStore,
            columns          : 
            [{ 
               header: "Student Name",
               dataIndex: 'name',	
               id : 'name',    
               flex:  1,  			
               sortable: true
            },{
               header: "Age", 
               dataIndex: 'age',
               flex: .5, 
               sortable: true
            },{
               header: "Marks",
               dataIndex: 'marks',
               flex: .5, 
               sortable: true
            }],
            stripeRows       : true,
            title            : 'Second Grid',
            margins          : '0 0 0 3'
         });
         // Creation of a panel to show both the grids.
         var displayPanel = Ext.create('Ext.Panel', {
            width        : 600,
            height       : 200,
            layout       : {
               type: 'hbox',
               align: 'stretch',
               padding: 5
            },
            renderTo     : 'panel',
            defaults     : { flex : 1 }, 
            items        : [
               firstGrid,
               secondGrid
            ],
            dockedItems: {
               xtype: 'toolbar',
               dock: 'bottom',
               items: ['->', 
               {
                  text: 'Reset both grids',
                  handler: function(){
                     firstGridStore.loadData(myData);
                     secondGridStore.removeAll();
                  }
               }]
            }
         });
      });
   </script>
</head>
<body>
<div id = "panel" > </div>
</body>
</html>

这将产生以下结果

Ext.js 网格到网格拖放


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