Focused Row

import React from 'react'; import { DataGrid, Column, Paging } from 'devextreme-react/data-grid'; import { NumberBox } from 'devextreme-react/number-box'; import { CheckBox } from 'devextreme-react/check-box'; import 'devextreme/data/odata/store'; const focusedRowKeyLabel = { 'aria-label': 'Focused Row Key' }; const dataSourceOptions = { store: { type: 'odata', key: 'Task_ID', url: 'https://js.devexpress.com/Demos/DevAV/odata/Tasks', }, expand: 'ResponsibleEmployee', select: [ 'Task_ID', 'Task_Subject', 'Task_Start_Date', 'Task_Status', 'Task_Description', 'Task_Completion', 'ResponsibleEmployee/Employee_Full_Name', ], }; class App extends React.Component { constructor(props) { super(props); this.state = { taskSubject: '', taskDetails: '', taskStatus: '', taskProgress: '', focusedRowKey: 117, autoNavigateToFocusedRow: true, }; this.onFocusedRowChanged = this.onFocusedRowChanged.bind(this); this.onTaskIdChanged = this.onTaskIdChanged.bind(this); this.onAutoNavigateToFocusedRowChanged = this.onAutoNavigateToFocusedRowChanged.bind(this); } onTaskIdChanged(e) { if (e.event && e.value > 0) { this.setState({ focusedRowKey: e.value }); } } onFocusedRowChanging(e) { const rowsCount = e.component.getVisibleRows().length; const pageCount = e.component.pageCount(); const pageIndex = e.component.pageIndex(); const key = e.event && e.event.key; if (key && e.prevRowIndex === e.newRowIndex) { if (e.newRowIndex === rowsCount - 1 && pageIndex < pageCount - 1) { e.component.pageIndex(pageIndex + 1).done(() => { e.component.option('focusedRowIndex', 0); }); } else if (e.newRowIndex === 0 && pageIndex > 0) { e.component.pageIndex(pageIndex - 1).done(() => { e.component.option('focusedRowIndex', rowsCount - 1); }); } } } onFocusedRowChanged(e) { const dataRow = e.row && e.row.data; const progress = dataRow && dataRow.Task_Completion ? `${dataRow.Task_Completion}%` : ''; this.setState({ taskSubject: dataRow && dataRow.Task_Subject, taskDetails: dataRow && dataRow.Task_Description, taskStatus: dataRow && dataRow.Task_Status, taskProgress: progress, focusedRowKey: e.component.option('focusedRowKey'), }); } onAutoNavigateToFocusedRowChanged(e) { this.setState({ autoNavigateToFocusedRow: e.value }); } render() { return ( <div> <DataGrid id="gridContainer" dataSource={dataSourceOptions} focusedRowEnabled={true} focusedRowKey={this.state.focusedRowKey} autoNavigateToFocusedRow={this.state.autoNavigateToFocusedRow} onFocusedRowChanging={this.onFocusedRowChanging} onFocusedRowChanged={this.onFocusedRowChanged} showBorders={true}> <Paging defaultPageSize={10} /> <Column dataField="Task_ID" width={80} /> <Column caption="Start Date" dataField="Task_Start_Date" dataType="date" /> <Column caption="Assigned To" dataField="ResponsibleEmployee.Employee_Full_Name" dataType="date" allowSorting={false} /> <Column caption="Subject" dataField="Task_Subject" width={350} /> <Column caption="Status" dataField="Task_Status" /> </DataGrid> <div className="task-info"> <div className="info"> <div id="taskSubject">{this.state.taskSubject}</div> <p id="taskDetails" dangerouslySetInnerHTML={{ __html: this.state.taskDetails }}></p> </div> <div className="progress"> <span id="taskStatus">{this.state.taskStatus}</span> <span id="taskProgress">{this.state.taskProgress}</span> </div> </div> <div className="options"> <div className="caption">Options</div> <div className="options-container"> <div className="option"> <span>Focused Row Key </span> <NumberBox id="taskId" min={1} max={183} step={0} value={this.state.focusedRowKey} inputAttr={focusedRowKeyLabel} onValueChanged={this.onTaskIdChanged}> </NumberBox> </div> <div className="option"> <CheckBox text="Auto Navigate To Focused Row" value={this.state.autoNavigateToFocusedRow} onValueChanged={this.onAutoNavigateToFocusedRowChanged}> </CheckBox> </div> </div> </div> </div> ); } } export default App;