Column spanning in Vue Gantt component

16 Mar 20236 minutes to read

The gantt has option to span the adjacent cells. You need to define the colSpan attribute to span cells in the QueryCellInfo event.

In the following demo, Work 1 cells have been spanned.

app.vue

<template>
     <div>
        <ejs-gantt ref='gantt' id="GanttContainer" :dataSource="data" :taskFields = "taskFields" :height = "height" :columns="columns" :splitterSettings = "splitterSettings" :queryCellInfo='queryCellInfoEvent'  gridLines='Both'></ejs-gantt>
    </div>
</template>
<script>
import Vue from "vue";
import { GanttPlugin } from "@syncfusion/ej2-vue-gantt";
import { colSpanData  } from './data-source.js';
Vue.use(GanttPlugin);
export default {
  data: function() {
      return{
         data: colSpanData,
         taskFields: {
            id: 'TaskID',
            name: 'TaskName',
            startDate: 'StartDate',
            duration: 'Duration',
            progress: 'Progress',
            child: 'subtasks',
            },
            height:'450px',
            splitterSettings:{
            position: '80%'
          },
        columns: [
            { field: 'TaskID', headerText: 'Task ID' },
            { field: 'TaskName', headerText: 'Task Name' },
            { field: 'work1', headerText: 'Work 1' },
            { field: 'work2', headerText: 'Work 2' },
            { field: 'StartDate', headerText: 'Start Date' },
            { field: 'Duration', headerText: 'Duration' },
            { field: 'Progress', headerText: 'Progress'}
        ],
      };
    }
    methods: {
       queryCellInfoEvent: function (args) {
        switch(args.data.TaskID) {
            case 1:
            if ((args.column.field == 'work1') && (args.data.taskData.work1 == 'support')) {
                args.colSpan = 2;
            }
            break;
            case 2:
            if ((args.column.field == 'work1') && (args.data.taskData.work1 == 'support')) {
                args.colSpan = 2;
            }
            break;
            case 3:
            if ((args.column.field == 'work1') && (args.data.taskData.work1 == 'support')) {
                args.colSpan = 2;
            }
            break;
            case 4:
            if ((args.column.field == 'work1') && (args.data.taskData.work1 == 'support')) {
                args.colSpan = 2;
            }
            break;
            case 5  :
            if ((args.column.field == 'work1') && (args.data.taskData.work1 == 'support')) {
                args.colSpan = 2;
            }
            break;
            case 7:
            if ((args.column.field == 'work1') && (args.data.taskData.work1 == 'support')) {
                args.colSpan = 2;
            }
            break;
        }
    }
   }
};
</script>