Create DropTarget object : Drag Drop « Ext JS « JavaScript DHTML






Create DropTarget object

  

<!--
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
-->
<html>
<head>
<title>Hello World Window</title>
<link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-3.0.0/ext-all.js"></script>
</head>
<!-- Revised from demo code from ext3.0.0 -->
<body>
<script type="text/javascript">
Ext.onReady(function() {
    var myData = {
    records : [
      { name : "Record 0", column1 : "0", column2 : "0" },
      { name : "Record 1", column1 : "1", column2 : "1" },
      { name : "Record 2", column1 : "2", column2 : "2" },
      { name : "Record 3", column1 : "3", column2 : "3" },
      { name : "Record 4", column1 : "4", column2 : "4" },
      { name : "Record 5", column1 : "5", column2 : "5" },
      { name : "Record 6", column1 : "6", column2 : "6" },
      { name : "Record 7", column1 : "7", column2 : "7" },
      { name : "Record 8", column1 : "8", column2 : "8" },
      { name : "Record 9", column1 : "9", column2 : "9" }
    ]
  };


  // Generic fields array to use in both store defs.
  var fields = [
     {name: 'name', mapping : 'name'},
     {name: 'column1', mapping : 'column1'},
     {name: 'column2', mapping : 'column2'}
  ];

    // create the data store
    var gridStore = new Ext.data.JsonStore({
        fields : fields,
    data   : myData,
    root   : 'records'
    });


  // Column Model shortcut array
  var cols = [
    { id : 'name', header: "Record Name", width: 160, sortable: true, dataIndex: 'name'},
    {header: "column1", width: 50, sortable: true, dataIndex: 'column1'},
    {header: "column2", width: 50, sortable: true, dataIndex: 'column2'}
  ];

  // declare the source Grid
    var grid = new Ext.grid.GridPanel({
    ddGroup          : 'gridDDGroup',
        store            : gridStore,
        columns          : cols,
    enableDragDrop   : true,
        stripeRows       : true,
        autoExpandColumn : 'name',
        width            : 325,
    region           : 'west',
        title            : 'Data Grid',
    selModel         : new Ext.grid.RowSelectionModel({singleSelect : true})
    });



  // Declare the text fields.  This could have been done inline, is easier to read
  // for folks learning :)
  var textField1 = new Ext.form.TextField({
    fieldLabel : 'Record Name',
    name       : 'name'
  });


  var textField2 = new Ext.form.TextField({
    fieldLabel : 'Column 1',
    name       : 'column1'
  });


  var textField3 = new Ext.form.TextField({
    fieldLabel : 'Column 2',
    name       : 'column2'
  });


  // Setup the form panel
  var formPanel = new Ext.form.FormPanel({
    region     : 'center',
    title      : 'Generic Form Panel',
    bodyStyle  : 'padding: 10px; background-color: #DFE8F6',
    labelWidth : 100,
    width      : 325,
    items      : [
      textField1,
      textField2,
      textField3
    ]
  });



  //Simple 'border layout' panel to house both grids
  var displayPanel = new Ext.Panel({
    width    : 650,
    height   : 300,
    layout   : 'border',
    renderTo : 'panel',
    items    : [
      grid,
      formPanel
    ],
    bbar    : [
      '->', // Fill
      {
        text    : 'Reset Example',
        handler : function() {
          //refresh source grid
          gridStore.loadData(myData);
          formPanel.getForm().reset();
        }
      }
    ]
  });


  // used to add records to the destination stores
  var blankRecord =  Ext.data.Record.create(fields);

  /****
  * Setup Drop Targets
  ***/

  // This will make sure we only drop to the view container
  var formPanelDropTargetEl =  formPanel.body.dom;

  var formPanelDropTarget = new Ext.dd.DropTarget(formPanelDropTargetEl, {
    ddGroup     : 'gridDDGroup',
    notifyEnter : function(ddSource, e, data) {

      //Add some flare to invite drop.
      formPanel.body.stopFx();
      formPanel.body.highlight();
    },
    notifyDrop  : function(ddSource, e, data){

      // Reference the record (single selection) for readability
      var selectedRecord = ddSource.dragData.selections[0];


      // Load the record into the form
      formPanel.getForm().loadRecord(selectedRecord);


      // Delete record from the grid.  not really required.
      ddSource.grid.store.remove(selectedRecord);

      return(true);
    }
  });



});
</script> 

<div id="panel"></div>

</body>
</html>

   
    
  








Related examples in the same category

1.Set up drag and drop zone
2.Field to grid drag and drop
3.Drag and drop between two grids
4.Create Ext.dd.DragSource and Ext.dd.DropTarget
5.Define notifyDrop handler
6.Drop and drop from a table to a form