The Toggle selection allows to perform selection and unselection of the particular row or cell. To enable toggle selection, set enableToggle property of the selectionSettings as true. If you click on the selected row or cell then it will be unselected and vice versa.
<template>
<div id="app">
<ejs-treegrid ref='treegrid' :dataSource='data' childMapping='subtasks' :treeColumnIndex='1'
:selectionSettings='selectionOptions'>
<e-columns>
<e-column field='taskID' headerText='Task ID' width='90' textAlign='Right'></e-column>
<e-column field='taskName' headerText='Task Name' width='160'></e-column>
<e-column field='startDate' headerText='Start Date' width='90' format="yMd" textAlign='Right'></e-column>
<e-column field='duration' headerText='Duration' width='80' textAlign='Right'></e-column>
</e-columns>
</ejs-treegrid>
</div>
</template>
<script>
import Vue from "vue";
import { TreeGridPlugin, TreeGridComponent, Page } from "@syncfusion/ej2-vue-treegrid";
import { sampleData } from "./datasource.js";
Vue.use(TreeGridPlugin);
export default {
data () {
return {
data: sampleData,
selectionOptions: { enableToggle: true}
};
},
provide: {
treegrid: [ Page ]
}
}
</script>define(["require", "exports"], function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.sampleData = [
{
taskID: 1,
taskName: 'Planning',
startDate: new Date('02/03/2017'),
endDate: new Date('02/07/2017'),
progress: 100,
duration: 5,
priority: 'Normal',
approved: false,
subtasks: [
{ taskID: 2, taskName: 'Plan timeline', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, priority: 'Normal', approved: false },
{ taskID: 3, taskName: 'Plan budget', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, approved: true },
{ taskID: 4, taskName: 'Allocate resources', startDate: new Date('02/03/2017'), endDate: new Date('02/07/2017'), duration: 5, progress: 100, priority: 'Critical', approved: false },
{ taskID: 5, taskName: 'Planning complete', startDate: new Date('02/07/2017'), endDate: new Date('02/07/2017'), duration: 0, progress: 0, priority: 'Low', approved: true }
]
},
{
taskID: 6,
taskName: 'Design',
startDate: new Date('02/10/2017'),
endDate: new Date('02/14/2017'),
duration: 3,
progress: 86,
priority: 'High',
approved: false,
subtasks: [
{ taskID: 7, taskName: 'Software Specification', startDate: new Date('02/10/2017'), endDate: new Date('02/12/2017'), duration: 3, progress: 60, priority: 'Normal', approved: false },
{ taskID: 8, taskName: 'Develop prototype', startDate: new Date('02/10/2017'), endDate: new Date('02/12/2017'), duration: 3, progress: 100, priority: 'Critical', approved: false },
{ taskID: 9, taskName: 'Get approval from customer', startDate: new Date('02/13/2017'), endDate: new Date('02/14/2017'), duration: 2, progress: 100, approved: true },
{ taskID: 10, taskName: 'Design Documentation', startDate: new Date('02/13/2017'), endDate: new Date('02/14/2017'), duration: 2, progress: 100, approved: true },
{ taskID: 11, taskName: 'Design complete', startDate: new Date('02/14/2017'), endDate: new Date('02/14/2017'), duration: 0, progress: 0, priority: 'Normal', approved: true }
]
},
{
taskID: 12,
taskName: 'Implementation Phase',
startDate: new Date('02/17/2017'),
endDate: new Date('02/27/2017'),
priority: 'Normal',
approved: false,
duration: 11,
subtasks: [
{
taskID: 13,
taskName: 'Phase 1',
startDate: new Date('02/17/2017'),
endDate: new Date('02/27/2017'),
priority: 'High',
approved: false,
duration: 11,
subtasks: [{
taskID: 14,
taskName: 'Implementation Module 1',
startDate: new Date('02/17/2017'),
endDate: new Date('02/27/2017'),
priority: 'Normal',
duration: 11,
approved: false,
subtasks: [
{ taskID: 15, taskName: 'Development Task 1', startDate: new Date('02/17/2017'), endDate: new Date('02/19/2017'), duration: 3, progress: '50', priority: 'High', approved: false },
{ taskID: 16, taskName: 'Development Task 2', startDate: new Date('02/17/2017'), endDate: new Date('02/19/2017'), duration: 3, progress: '50', priority: 'Low', approved: true },
{ taskID: 17, taskName: 'Testing', startDate: new Date('02/20/2017'), endDate: new Date('02/21/2017'), duration: 2, progress: '0', priority: 'Normal', approved: true },
{ taskID: 18, taskName: 'Bug fix', startDate: new Date('02/24/2017'), endDate: new Date('02/25/2017'), duration: 2, progress: '0', priority: 'Critical', approved: false },
{ taskID: 19, taskName: 'Customer review meeting', startDate: new Date('02/26/2017'), endDate: new Date('02/27/2017'), duration: 2, progress: '0', priority: 'High', approved: false },
{ taskID: 20, taskName: 'Phase 1 complete', startDate: new Date('02/27/2017'), endDate: new Date('02/27/2017'), duration: 0, priority: 'Low', approved: true }
]
}]
},
{
taskID: 21,
taskName: 'Phase 2',
startDate: new Date('02/17/2017'),
endDate: new Date('02/28/2017'),
priority: 'High',
approved: false,
duration: 12,
subtasks: [{
taskID: 22,
taskName: 'Implementation Module 2',
startDate: new Date('02/17/2017'),
endDate: new Date('02/28/2017'),
priority: 'Critical',
approved: false,
duration: 12,
subtasks: [
{ taskID: 23, taskName: 'Development Task 1', startDate: new Date('02/17/2017'), endDate: new Date('02/20/2017'), duration: 4, progress: '50', priority: 'Normal', approved: true },
{ taskID: 24, taskName: 'Development Task 2', startDate: new Date('02/17/2017'), endDate: new Date('02/20/2017'), duration: 4, progress: '50', priority: 'Critical', approved: true },
{ taskID: 25, taskName: 'Testing', startDate: new Date('02/21/2017'), endDate: new Date('02/24/2017'), duration: 2, progress: '0', priority: 'High', approved: false },
{ taskID: 26, taskName: 'Bug fix', startDate: new Date('02/25/2017'), endDate: new Date('02/26/2017'), duration: 2, progress: '0', priority: 'Low', approved: false },
{ taskID: 27, taskName: 'Customer review meeting', startDate: new Date('02/27/2017'), endDate: new Date('02/28/2017'), duration: 2, progress: '0', priority: 'Critical', approved: true },
{ taskID: 28, taskName: 'Phase 2 complete', startDate: new Date('02/28/2017'), endDate: new Date('02/28/2017'), duration: 0, priority: 'Normal', approved: false }
]
}]
},
{
taskID: 29,
taskName: 'Phase 3',
startDate: new Date('02/17/2017'),
endDate: new Date('02/27/2017'),
priority: 'Normal',
approved: false,
duration: 11,
subtasks: [{
taskID: 30,
taskName: 'Implementation Module 3',
startDate: new Date('02/17/2017'),
endDate: new Date('02/27/2017'),
priority: 'High',
approved: false,
duration: 11,
subtasks: [
{ taskID: 31, taskName: 'Development Task 1', startDate: new Date('02/17/2017'), endDate: new Date('02/19/2017'), duration: 3, progress: '50', priority: 'Low', approved: true },
{ taskID: 32, taskName: 'Development Task 2', startDate: new Date('02/17/2017'), endDate: new Date('02/19/2017'), duration: 3, progress: '50', priority: 'Normal', approved: false },
{ taskID: 33, taskName: 'Testing', startDate: new Date('02/20/2017'), endDate: new Date('02/21/2017'), duration: 2, progress: '0', priority: 'Critical', approved: true },
{ taskID: 34, taskName: 'Bug fix', startDate: new Date('02/24/2017'), endDate: new Date('02/25/2017'), duration: 2, progress: '0', priority: 'High', approved: false },
{ taskID: 35, taskName: 'Customer review meeting', startDate: new Date('02/26/2017'), endDate: new Date('02/27/2017'), duration: 2, progress: '0', priority: 'Normal', approved: true },
{ taskID: 36, taskName: 'Phase 3 complete', startDate: new Date('02/27/2017'), endDate: new Date('02/27/2017'), duration: 0, priority: 'Critical', approved: false },
]
}]
}
]
}
];
});If multi selection is enabled, then first click on any selected row (without pressing Ctrl key), it will clear the multi selection and in second click on the same row, it will be unselected.