Copy paste records in EJ2 JavaScript Gantt control

2 May 20236 minutes to read
You can copy and paste a record in the Gantt chart by using the addRecord method and custom context menu. It is also possible to copy and paste the parent record with multiple hierarchical child records on the required position.
index.js
index.html
ej.base.enableRipple(true);
var copiedRecord;
var enableFlag;
var gantt = new ej.gantt.Gantt({
        dataSource: GanttData,
		height:'450px',
		taskFields: {
            id: 'TaskID',
        	name: 'TaskName',
        	startDate: 'StartDate',
        	dependency: 'Predecessor',
        	duration: 'Duration',
        	progress: 'Progress',
        	child: 'subtasks'
        },
    editSettings: {
        allowAdding: true,
        allowEditing: true,
        allowDeleting: true,
        allowTaskbarEditing: true 
    },
    toolbar: ['Add', 'Edit', 'Update', 'Delete', 'Cancel', 'ExpandAll', 'CollapseAll'],
    allowSelection: true,
    enableContextMenu: true,
    contextMenuItems: [
        { text: 'Copy', target: '.e-content', id: 'copy' },
        { text: 'Paste', target: '.e-content', id: 'paste' },
    ],
    contextMenuClick: function (args) {
        if (args.item.id === 'copy') {
            copiedRecord = args.rowData;
            copiedRecord.taskData.TaskID = gantt.currentViewData.length + 1;
        }
        if (args.item.id === 'paste') {
            gantt.addRecord(copiedRecord.taskData,'Below',args.rowData.index);
            if(copiedRecord.hasChildRecords) {
                addChildRecords(copiedRecord, args.rowData.index + 1);
            }
            copiedRecord = undefined;
        }
    },
    contextMenuOpen: function (args) {
        if (args.type !== 'Header') {
            if (copiedRecord) {
                args.hideItems.push('Copy');
            } else {
                args.hideItems.push('Paste');
             }
        }
    }
});

gantt.appendTo('#Gantt');

    function addChildRecords(record, index) {
      for(var i=0; i<record.childRecords.length; i++) {
            var childRecord = record.childRecords[i];
            childRecord.taskData.TaskID = ganttChart.currentViewData.length + 1;
            ganttChart.addRecord(childRecord.taskData,'Child',index);
            if(childRecord.hasChildRecords) {
                addChildRecords(childRecord, index + (i+1));
            }
      }
    }
<!DOCTYPE html><html lang="en"><head>
     <title>EJ2 Gantt</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript Gantt Controls">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
	<link href="https://cdn.syncfusion.com/ej2/material.css" rel="stylesheet" type="text/css">
    
    
<script src="https://cdn.syncfusion.com/ej2/25.1.35/dist/ej2.min.js" type="text/javascript"></script>
<script src="es5-datasource.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

<body>
       
     
    <div id="container">	   
        <div id="Gantt"></div>        
    </div>


<script>
var ele = document.getElementById('container');
if(ele) {
  ele.style.visibility = "visible";
}   
      </script>
<script src="index.js" type="text/javascript"></script>
</body></html>