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Cell selection in React Treegrid component

13 Apr 20264 minutes to read

Cells can be selected using mouse drag or arrow keys (Up, Down, Left, Right).

TreeGrid provides two cell selection modes configured through selectionSettings.cellSelectionMode:

  • Flow (default): Select range of cells between the start index and end index which includes in between cells of rows.
  • Box - Select range of cells within the start and end column indexes which includes in between cells of rows within the range.
import { ColumnDirective, ColumnsDirective, Inject, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { Page } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';

import { sampleData } from './datasource';
function App() {
    const settings = {
        cellSelectionMode: 'Box',
        mode: 'Cell',
        type: 'Multiple'
    };
    return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging={true} selectionSettings={settings}>
        <ColumnsDirective>
            <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
            <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
            <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date'/>
            <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right'/>
        </ColumnsDirective>
        <Inject services={[Page]}/>
    </TreeGridComponent>;
}
;
export default App;
import { ColumnDirective, ColumnsDirective, Inject, TreeGridComponent } from '@syncfusion/ej2-react-treegrid';
import { Page, SelectionSettingsModel } from '@syncfusion/ej2-react-treegrid';
import * as React from 'react';

import { sampleData } from './datasource';

function App() {
    const settings: SelectionSettingsModel = {
        cellSelectionMode: 'Box',
        mode: 'Cell',
        type: 'Multiple'
    };

    return <TreeGridComponent dataSource={sampleData} treeColumnIndex={1} childMapping='subtasks' allowPaging={true}
        selectionSettings={settings}>
        <ColumnsDirective>
            <ColumnDirective field='taskID' headerText='Task ID' width='90' textAlign='Right'/>
            <ColumnDirective field='taskName' headerText='Task Name' width='180'/>
            <ColumnDirective field='startDate' headerText='Start Date' width='90' format='yMd' textAlign='Right' type='date' />
            <ColumnDirective field='duration' headerText='Duration' width='80' textAlign='Right' />
        </ColumnsDirective>
        <Inject services={[Page]}/>
    </TreeGridComponent>
};
export default App;