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Backend API
import React, { useCallback, useRef, useState } from 'react';
import VectorMap, { Layer, ControlBar, VectorMapTypes } from 'devextreme-react/vector-map';
import TextBox from 'devextreme-react/text-box';
import SelectBox from 'devextreme-react/select-box';
import * as mapsData from 'devextreme-dist/js/vectormap-data/world.js';
import Switch from 'devextreme-react/switch';
import {
viewportCoordinates, centerLabel, zoomLabel, continentLabel,
} from './data.ts';
const bounds = [-180, 85, 180, -60];
const App = () => {
const [coordinates, setCoordinates] = useState(viewportCoordinates[0].coordinates);
const [zoomFactor, setZoomFactor] = useState('1.00');
const [center, setCenter] = useState('0.000, 46.036');
const [panVisible, setPanVisible] = useState(true);
const [zoomVisible, setZoomVisible] = useState(true);
const mapRef = useRef(null);
const continentChanged = useCallback(({ value }) => {
setCoordinates(value);
mapRef.current.instance().viewport(value);
}, [setCoordinates]);
const zoomFactorChanged = useCallback((e: VectorMapTypes.ZoomFactorChangedEvent) => {
setZoomFactor(e.zoomFactor.toFixed(2));
}, [setZoomFactor]);
const centerChanged = useCallback((e: VectorMapTypes.CenterChangedEvent) => {
const value = `${e.center[0].toFixed(3)}, ${e.center[1].toFixed(3)}`;
setCenter(value);
}, [setCenter]);
const panVisibleChange = useCallback((value) => {
setPanVisible(value);
}, [setPanVisible]);
const zoomVisibleChange = useCallback((value) => {
setZoomVisible(value);
}, [setZoomVisible]);
return (
<div>
<VectorMap
id="vector-map"
bounds={bounds}
ref={mapRef}
onZoomFactorChanged={zoomFactorChanged}
onCenterChanged={centerChanged}
>
<ControlBar zoomVisible={zoomVisible} panVisible={panVisible} />
<Layer dataSource={mapsData.world} />
</VectorMap>
<div className="options">
<div className="caption">Options</div>
<div className="wrapper-option">
<div className="column">
<div className="option">
<span>Continent</span>
<SelectBox
dataSource={viewportCoordinates}
displayExpr="continent"
valueExpr="coordinates"
inputAttr={continentLabel}
value={coordinates}
onValueChanged={continentChanged}
width={210}
/>
</div>
<div className="option">
<span>Zoom factor</span>
<TextBox
value={zoomFactor}
inputAttr={zoomLabel}
readOnly={true}
width={210}
/>
</div>
<div className="option">
<span>Center</span>
<TextBox
value={center}
readOnly={true}
inputAttr={centerLabel}
width={210}
/>
</div>
</div>
<div className="column">
<div className="option">
<span>Pan control</span>
<Switch
value={panVisible}
onValueChange={panVisibleChange}
/>
</div>
<div className="option">
<span>Zoom bar</span>
<Switch
value={zoomVisible}
onValueChange={zoomVisibleChange}
/>
</div>
</div>
</div>
</div>
</div>
);
};
export default App;
import React, { useCallback, useRef, useState } from 'react';
import VectorMap, { Layer, ControlBar } from 'devextreme-react/vector-map';
import TextBox from 'devextreme-react/text-box';
import SelectBox from 'devextreme-react/select-box';
import * as mapsData from 'devextreme-dist/js/vectormap-data/world.js';
import Switch from 'devextreme-react/switch';
import {
viewportCoordinates, centerLabel, zoomLabel, continentLabel,
} from './data.js';
const bounds = [-180, 85, 180, -60];
const App = () => {
const [coordinates, setCoordinates] = useState(viewportCoordinates[0].coordinates);
const [zoomFactor, setZoomFactor] = useState('1.00');
const [center, setCenter] = useState('0.000, 46.036');
const [panVisible, setPanVisible] = useState(true);
const [zoomVisible, setZoomVisible] = useState(true);
const mapRef = useRef(null);
const continentChanged = useCallback(
({ value }) => {
setCoordinates(value);
mapRef.current.instance().viewport(value);
},
[setCoordinates],
);
const zoomFactorChanged = useCallback(
(e) => {
setZoomFactor(e.zoomFactor.toFixed(2));
},
[setZoomFactor],
);
const centerChanged = useCallback(
(e) => {
const value = `${e.center[0].toFixed(3)}, ${e.center[1].toFixed(3)}`;
setCenter(value);
},
[setCenter],
);
const panVisibleChange = useCallback(
(value) => {
setPanVisible(value);
},
[setPanVisible],
);
const zoomVisibleChange = useCallback(
(value) => {
setZoomVisible(value);
},
[setZoomVisible],
);
return (
<div>
<VectorMap
id="vector-map"
bounds={bounds}
ref={mapRef}
onZoomFactorChanged={zoomFactorChanged}
onCenterChanged={centerChanged}
>
<ControlBar
zoomVisible={zoomVisible}
panVisible={panVisible}
/>
<Layer dataSource={mapsData.world} />
</VectorMap>
<div className="options">
<div className="caption">Options</div>
<div className="wrapper-option">
<div className="column">
<div className="option">
<span>Continent</span>
<SelectBox
dataSource={viewportCoordinates}
displayExpr="continent"
valueExpr="coordinates"
inputAttr={continentLabel}
value={coordinates}
onValueChanged={continentChanged}
width={210}
/>
</div>
<div className="option">
<span>Zoom factor</span>
<TextBox
value={zoomFactor}
inputAttr={zoomLabel}
readOnly={true}
width={210}
/>
</div>
<div className="option">
<span>Center</span>
<TextBox
value={center}
readOnly={true}
inputAttr={centerLabel}
width={210}
/>
</div>
</div>
<div className="column">
<div className="option">
<span>Pan control</span>
<Switch
value={panVisible}
onValueChange={panVisibleChange}
/>
</div>
<div className="option">
<span>Zoom bar</span>
<Switch
value={zoomVisible}
onValueChange={zoomVisibleChange}
/>
</div>
</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'),
);
export const viewportCoordinates = [{
continent: 'all',
coordinates: 'null',
}, {
continent: 'NorthAmerica',
coordinates: [-180, 84.52, -22.11, -1.57],
}, {
continent: 'SouthAmerica',
coordinates: [-112.47, 14.26, -27.52, -57.44],
}, {
continent: 'Africa',
coordinates: [-29.34, 39.09, 55.60, -39.00],
}, {
continent: 'Europe',
coordinates: [-2.35, 70.91, 61.35, 35.84],
}, {
continent: 'Asia',
coordinates: [27.62, 83.11, 180, -19.36],
}, {
continent: 'Australia',
coordinates: [104.87, -6.61, 149.98, -45.87],
}];
export const centerLabel = { 'aria-label': 'Center' };
export const zoomLabel = { 'aria-label': 'Zoom' };
export const continentLabel = { 'aria-label': 'Continent' };
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-dist/js/vectormap-data/*': {
'esModule': true,
},
'openai': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
'bundles:': '../../../../bundles/',
'externals:': '../../../../bundles/externals/',
},
defaultExtension: 'js',
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.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/prop-types.js',
'devextreme-dist/js/vectormap-data': 'npm:devextreme-dist@link:../../packages/devextreme/artifacts/npm/devextreme-dist/js/vectormap-data',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign',
'devextreme': 'npm:devextreme@link:../../packages/devextreme/artifacts/npm/devextreme/cjs',
'devextreme-react': 'npm:devextreme-react@link:../../packages/devextreme-react/npm/cjs',
'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.5/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.54/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12',
'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/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@3.0.12/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'));
export const viewportCoordinates = [
{
continent: 'all',
coordinates: 'null',
},
{
continent: 'NorthAmerica',
coordinates: [-180, 84.52, -22.11, -1.57],
},
{
continent: 'SouthAmerica',
coordinates: [-112.47, 14.26, -27.52, -57.44],
},
{
continent: 'Africa',
coordinates: [-29.34, 39.09, 55.6, -39.0],
},
{
continent: 'Europe',
coordinates: [-2.35, 70.91, 61.35, 35.84],
},
{
continent: 'Asia',
coordinates: [27.62, 83.11, 180, -19.36],
},
{
continent: 'Australia',
coordinates: [104.87, -6.61, 149.98, -45.87],
},
];
export const centerLabel = { 'aria-label': 'Center' };
export const zoomLabel = { 'aria-label': 'Zoom' };
export const continentLabel = { 'aria-label': 'Continent' };
<!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/24.2.3/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>
#vector-map {
height: 420px;
}
.options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
margin-top: 20px;
}
.wrapper-option {
display: flex;
gap: 24px;
padding-top: 16px;
}
.column {
display: flex;
gap: 10px;
flex-direction: column;
}
.option {
display: flex;
align-items: center;
min-height: 34px;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option > span {
width: 140px;
}
To show or hide the control bar, enable or disable the panVisible and zoomVisible properties. You can toggle switches under the map to see how these settings affect the control bar.