Ext.js - 网格到网格的拖放

借助拖放插件，我们可以从一个网格中拖出数据并将其放到另一个网格中，反之亦然。
以下示例显示我们可以如何从一个网格中拖出数据并将其放到另一个网格中。在这里，我们有一个重置按钮，用于重置两个网格中的数据。
示例

以下是一个简单的示例，展示网格之间的拖放。
<!DOCTYPE html>
<html>
   <head>
      <link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css" 
         rel = "stylesheet" />
      <script type = "text/javascript" 
         src = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></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>
上述程序将产生以下结果 −
extjs_drag_drop.htm
打印页面
上一个
下一个