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How to add custom column with check box

Platform: jQuery |
Control: ejGantt |
Published Date: July 10, 2017 |
Last Revised Date: May 29, 2019

In Gantt, user can display checkbox column by using load client side event and column template support. The below code snippet explains initializing a custom column with checkbox and saving the editing changes to the data source.

Code snippets:

<body>
<div id="gantt"></div>  
<script type="text/x-jsrender" id="customColumnTemplate">
<div style="margin-left:20px;">{{if State}} <input class="customCheckbox" type="checkbox" checked="checked" value="" />{{else}} <input class="customCheckbox" type="checkbox" value="" />{{/if}}</div>
</script>
<script>
        var projectData = [{
            taskID: 1,
            taskName: "Planning",
            startDate: "02/03/2014",
            endDate: "02/07/2014",
            progress: 100,
            duration: 5,
            state: true,
            subtasks: [{
                taskID: 2,
                taskName: "Plan timeline",
                startDate: "02/03/2014",
                endDate: "02/07/2014",
                duration: 5,
                state: true,
                progress 100
            },
                //...
            ]
        }];
        $(function() {
            $("#gantt").ejGantt({
                dataSource: projectData,
                //...
                beginEdit: beginEdit,
                load: function() {
                    var columns = this.getColumns();
                    columns.splice(4, 0, {
                        field: "state",
                        headerText: "State",
                        isTemplateColumn: true,
                        templateID: "customColumnTemplate",
                        width: "80px",
                    });
                }
 
            });
        });
        // To prevent the string edit while editing check box
        function beginEdit(args) {           
            var columnIndex = args.columnIndex;
            if (columnIndex == 4) {
                args.cancel = true;
            }
        }
        //Get checked row and select or unselect corresponding records
        $("#gantt").on("change", ".customCheckbox", function (e) {
                var $tr = $(e.target).closest('tr'),
                    ganttObj = $("#gantt").data("ejGantt"),
                    checkStatus = $(e.target).is(':checked'),
                    $gridRows = ganttObj.getRows(),
                    rowIndex = $gridRows.index($tr),
                    record = ganttObj.model.currentViewData &&    
                             ganttObj.model.currentViewData[rowIndex];
                    record["state"] = checkStatus;
       });
    </script>
 </body>

 

The below screen shot depicts the above code example

Add custom column with checkbox.

Sample link

A sample to add custom column with checkbox is available in the following link, Sample

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