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Backend API
import React, { useCallback, useState } from 'react';
import {
DataGrid, Column, Paging, DataGridTypes,
} from 'devextreme-react/data-grid';
import { NumberBox, NumberBoxTypes } from 'devextreme-react/number-box';
import { CheckBox, CheckBoxTypes } from 'devextreme-react/check-box';
import 'devextreme/data/odata/store';
const focusedRowKeyLabel = { 'aria-label': 'Focused Row Key' };
const dataSourceOptions = {
store: {
type: 'odata' as const,
version: 2,
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',
],
};
const App = () => {
const [taskSubject, setTaskSubject] = useState('');
const [taskDetails, setTaskDetails] = useState('');
const [taskStatus, setTaskStatus] = useState('');
const [taskProgress, setTaskProgress] = useState('');
const [focusedRowKey, setFocusedRowKey] = useState(117);
const [autoNavigateToFocusedRow, setAutoNavigateToFocusedRow] = useState(true);
const onTaskIdChanged = useCallback((e: NumberBoxTypes.ValueChangedEvent) => {
if (e.event && e.value > 0) {
setFocusedRowKey(e.value);
}
}, []);
// eslint-disable-next-line @typescript-eslint/space-before-function-paren
const onFocusedRowChanging = useCallback(async(e: DataGridTypes.FocusedRowChangingEvent) => {
const rowsCount = e.component.getVisibleRows().length;
const pageCount = e.component.pageCount();
const pageIndex = e.component.pageIndex();
const event = e?.event as any;
const key = event.key;
if (key && e.prevRowIndex === e.newRowIndex) {
if (e.newRowIndex === rowsCount - 1 && pageIndex < pageCount - 1) {
await e.component.pageIndex(pageIndex + 1);
e.component.option('focusedRowIndex', 0);
} else if (e.newRowIndex === 0 && pageIndex > 0) {
await e.component.pageIndex(pageIndex - 1);
e.component.option('focusedRowIndex', rowsCount - 1);
}
}
}, []);
const onFocusedRowChanged = useCallback((e: DataGridTypes.FocusedRowChangedEvent) => {
const data = e.row.data;
const progress = data.Task_Completion ? `${data.Task_Completion}%` : '';
setTaskSubject(data.Task_Subject);
setTaskDetails(data.Task_Description);
setTaskStatus(data.Task_Status);
setTaskProgress(progress);
setFocusedRowKey(e.component.option('focusedRowKey'));
}, []);
const onAutoNavigateToFocusedRowChanged = useCallback((e: CheckBoxTypes.ValueChangedEvent) => {
setAutoNavigateToFocusedRow(e.value);
}, []);
return (
<div>
<DataGrid
id="gridContainer"
dataSource={dataSourceOptions}
focusedRowEnabled={true}
focusedRowKey={focusedRowKey}
autoNavigateToFocusedRow={autoNavigateToFocusedRow}
onFocusedRowChanging={onFocusedRowChanging}
onFocusedRowChanged={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">{taskSubject}</div>
<p id="taskDetails" dangerouslySetInnerHTML={{ __html: taskDetails }}></p>
</div>
<div className="progress">
<span id="taskStatus">{taskStatus}</span>
<span id="taskProgress">{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={focusedRowKey}
inputAttr={focusedRowKeyLabel}
onValueChanged={onTaskIdChanged}>
</NumberBox>
</div>
<div className="option">
<CheckBox
text="Auto Navigate To Focused Row"
value={autoNavigateToFocusedRow}
onValueChanged={onAutoNavigateToFocusedRowChanged}>
</CheckBox>
</div>
</div>
</div>
</div>
);
};
export default App;
import React, { useCallback, useState } 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',
version: 2,
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',
],
};
const App = () => {
const [taskSubject, setTaskSubject] = useState('');
const [taskDetails, setTaskDetails] = useState('');
const [taskStatus, setTaskStatus] = useState('');
const [taskProgress, setTaskProgress] = useState('');
const [focusedRowKey, setFocusedRowKey] = useState(117);
const [autoNavigateToFocusedRow, setAutoNavigateToFocusedRow] = useState(true);
const onTaskIdChanged = useCallback((e) => {
if (e.event && e.value > 0) {
setFocusedRowKey(e.value);
}
}, []);
// eslint-disable-next-line @typescript-eslint/space-before-function-paren
const onFocusedRowChanging = useCallback(async(e) => {
const rowsCount = e.component.getVisibleRows().length;
const pageCount = e.component.pageCount();
const pageIndex = e.component.pageIndex();
const event = e?.event;
const key = event.key;
if (key && e.prevRowIndex === e.newRowIndex) {
if (e.newRowIndex === rowsCount - 1 && pageIndex < pageCount - 1) {
await e.component.pageIndex(pageIndex + 1);
e.component.option('focusedRowIndex', 0);
} else if (e.newRowIndex === 0 && pageIndex > 0) {
await e.component.pageIndex(pageIndex - 1);
e.component.option('focusedRowIndex', rowsCount - 1);
}
}
}, []);
const onFocusedRowChanged = useCallback((e) => {
const data = e.row.data;
const progress = data.Task_Completion ? `${data.Task_Completion}%` : '';
setTaskSubject(data.Task_Subject);
setTaskDetails(data.Task_Description);
setTaskStatus(data.Task_Status);
setTaskProgress(progress);
setFocusedRowKey(e.component.option('focusedRowKey'));
}, []);
const onAutoNavigateToFocusedRowChanged = useCallback((e) => {
setAutoNavigateToFocusedRow(e.value);
}, []);
return (
<div>
<DataGrid
id="gridContainer"
dataSource={dataSourceOptions}
focusedRowEnabled={true}
focusedRowKey={focusedRowKey}
autoNavigateToFocusedRow={autoNavigateToFocusedRow}
onFocusedRowChanging={onFocusedRowChanging}
onFocusedRowChanged={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">{taskSubject}</div>
<p
id="taskDetails"
dangerouslySetInnerHTML={{ __html: taskDetails }}
></p>
</div>
<div className="progress">
<span id="taskStatus">{taskStatus}</span>
<span id="taskProgress">{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={focusedRowKey}
inputAttr={focusedRowKeyLabel}
onValueChanged={onTaskIdChanged}
></NumberBox>
</div>
<div className="option">
<CheckBox
text="Auto Navigate To Focused Row"
value={autoNavigateToFocusedRow}
onValueChanged={onAutoNavigateToFocusedRowChanged}
></CheckBox>
</div>
</div>
</div>
</div>
);
};
export default App;
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
<App />,
document.getElementById('app'),
);
window.exports = window.exports || {};
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
jsx: 'react',
},
meta: {
'react': {
'esModule': true,
},
'typescript': {
'exports': 'ts',
},
'devextreme/time_zone_utils.js': {
'esModule': true,
},
'devextreme/localization.js': {
'esModule': true,
},
'devextreme/viz/palette.js': {
'esModule': true,
},
'devextreme-aspnet-data-nojquery': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
defaultExtension: 'js',
map: {
'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
'react': 'npm:react@17.0.2/umd/react.development.js',
'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.8.1/prop-types.js',
'devextreme-aspnet-data-nojquery': 'npm:devextreme-aspnet-data-nojquery@3.0.0/index.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.1/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@24.1.6/cjs',
'devextreme-react': 'npm:devextreme-react@24.1.6/cjs',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.11/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13',
'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js',
'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js',
'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3',
// SystemJS plugins
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js',
// Prettier
'prettier/standalone': 'npm:prettier@2.8.8/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js',
},
packages: {
'devextreme': {
defaultExtension: 'js',
},
'devextreme-react': {
main: 'index.js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/localization/messages': {
format: 'json',
defaultExtension: 'json',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.13/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
<!DOCTYPE html>
<html lang="en">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.6/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script type="text/javascript" src="config.js"></script>
<script type="text/javascript">
System.import("./index.tsx");
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></div>
</div>
</body>
</html>
.task-info {
font-family: "Segoe UI";
min-height: 200px;
display: flex;
flex-wrap: nowrap;
border: 2px solid rgba(0, 0, 0, 0.1);
padding: 16px;
box-sizing: border-box;
align-items: baseline;
justify-content: space-between;
}
#taskSubject {
line-height: 29px;
font-size: 18px;
font-weight: bold;
}
#taskDetails {
line-height: 22px;
font-size: 14px;
margin-top: 0;
margin-bottom: 0;
}
.progress {
display: flex;
flex-direction: column;
white-space: pre;
min-width: 105px;
}
.info {
margin-right: 40px;
}
#taskProgress {
line-height: 42px;
font-size: 40px;
font-weight: bold;
}
.options {
margin-top: 20px;
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
position: relative;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option {
margin-top: 10px;
margin-right: 40px;
display: inline-block;
}
.option:last-child {
margin-right: 0;
}
.option > .dx-numberbox {
width: 200px;
display: inline-block;
vertical-align: middle;
}
.option > span {
margin-right: 10px;
}
.options-container {
display: flex;
align-items: center;
}
In this demo, the row with the 117 key is focused initially. You can specify the focusedRowKey and autoNavigateToFocusedRow properties via the input field and the checkbox below the DataGrid.