import React from 'react';
import VectorMap, {
Layer
} 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 { viewportCoordinates } from './data.js';
const bounds = [-180, 85, 180, -60];
class App extends React.Component {
constructor(props) {
super(props);
this.state = {
coordinates: viewportCoordinates[0].coordinates,
zoomFactor: '1.00',
center: '0.000, 46.036'
};
this.storeMapInstance = (component) =>{
this.map = component.instance;
};
this.continentChanged = ({ value }) => {
this.setState({
coordinates: value
});
this.map.viewport(value);
};
this.zoomFactorChanged = ({ zoomFactor }) => {
this.setState({
zoomFactor: zoomFactor.toFixed(2)
});
};
this.centerChanged = ({ center }) => {
const value = `${center[0].toFixed(3)}, ${center[1].toFixed(3)}`;
this.setState({
center: value
});
};
}
render() {
return (
<div>
<VectorMap
id="vector-map"
bounds={bounds}
ref={this.storeMapInstance}
onZoomFactorChanged={this.zoomFactorChanged}
onCenterChanged={this.centerChanged}>
<Layer dataSource={mapsData.world} />
</VectorMap>
<div className="options">
<div className="caption">Options</div>
<div className="option">
<span>Continent</span>
<SelectBox
dataSource={viewportCoordinates}
displayExpr="continent"
valueExpr="coordinates"
value={this.state.coordinates}
onValueChanged={this.continentChanged}
/>
</div>
<div className="option">
<span>Zoom factor</span>
<TextBox
value={this.state.zoomFactor}
readOnly={true}
/>
</div>
<div className="option">
<span>Center</span>
<TextBox
value={this.state.center}
readOnly={true}
/>
</div>
</div>
</div>
);
}
}
export default App;
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(
<App />,
document.getElementById('app')
);
<!DOCTYPE html>
<html>
<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=1.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://unpkg.com/core-js@2.4.1/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.js');
</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;
}
.option {
margin-top: 10px;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option > span {
width: 140px;
display: inline-block;
}
.option > .dx-widget {
display: inline-block;
vertical-align: middle;
width: 210px;
}
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]
}];
System.config({
transpiler: 'plugin-babel',
meta: {
'devextreme/dist/js/vectormap-data/*': {
'esModule': true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
defaultExtension: 'js',
map: {
'react': 'npm:react@16.14.0/umd/react.development.js',
'react-dom': 'npm:react-dom@16.14.0/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.7.2/prop-types.js',
'devextreme/dist/js/vectormap-data': 'js/vectormap-data',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.4',
'devextreme-react': 'npm:devextreme-react@20.2.4',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.7/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.5/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.8/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.7/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.7/hooks/dist/hooks.js',
// 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'
},
packages: {
'devextreme': {
defaultExtension: 'js'
},
'devextreme-react': {
main: 'index.js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true,
react: true
}
});