import React from 'react';
import Menu from 'devextreme-react/menu';
import SelectBox from 'devextreme-react/select-box';
import CheckBox from 'devextreme-react/check-box';
import service from './data.js';
class App extends React.Component {
constructor(props) {
super(props);
this.products = service.getProducts();
this.showSubmenuModes = [{
name: 'onHover',
delay: { show: 0, hide: 500 }
}, {
name: 'onClick',
delay: { show: 0, hide: 300 }
}];
this.state = {
showFirstSubmenuModes: this.showSubmenuModes[1],
orientation: 'horizontal',
submenuDirection: 'auto',
hideSubmenuOnMouseLeave: false,
currentProduct: null
};
this.itemClick = this.itemClick.bind(this);
this.showSubmenuModeChanged = this.showSubmenuModeChanged.bind(this);
this.orientationChanged = this.orientationChanged.bind(this);
this.submenuDirectionChanged = this.submenuDirectionChanged.bind(this);
this.hideSubmenuOnMouseLeaveChanged = this.hideSubmenuOnMouseLeaveChanged.bind(this);
}
render() {
const { showFirstSubmenuModes, orientation, submenuDirection, hideSubmenuOnMouseLeave, currentProduct } = this.state;
return (
<div className="form">
<div>
<div className="label">Catalog:</div>
<Menu dataSource={this.products}
displayExpr="name"
showFirstSubmenuMode={showFirstSubmenuModes}
orientation={orientation}
submenuDirection={submenuDirection}
hideSubmenuOnMouseLeave={hideSubmenuOnMouseLeave}
onItemClick={this.itemClick}
/>
{currentProduct &&
<div id="product-details">
<img src={currentProduct.icon} />
<div className="name">{currentProduct.name}</div>
<div className="price">{`$${ currentProduct.price}`}</div>
</div>
}
</div>
<div className="options">
<div className="caption">Options</div>
<div className="option">
<div>Show First Submenu Mode</div>
<SelectBox
items={this.showSubmenuModes}
displayExpr="name"
value={showFirstSubmenuModes}
onValueChanged={this.showSubmenuModeChanged}
/>
</div>
<div className="option">
<div>Orientation</div>
<SelectBox
items={['horizontal', 'vertical']}
value={orientation}
onValueChanged={this.orientationChanged}
/>
</div>
<div className="option">
<div>Submenu Direction</div>
<SelectBox
items={['auto', 'rightOrBottom', 'leftOrTop']}
value={submenuDirection}
onValueChanged={this.submenuDirectionChanged}
/>
</div>
<div className="option">
<CheckBox
text="Hide Submenu on Mouse Leave"
value={hideSubmenuOnMouseLeave}
onValueChanged={this.hideSubmenuOnMouseLeaveChanged}
/>
</div>
</div>
</div>
);
}
itemClick(e) {
if(e.itemData.price) {
this.setState({
currentProduct: e.itemData
});
}
}
showSubmenuModeChanged(e) {
this.setState({
showFirstSubmenuModes: e.value
});
}
orientationChanged(e) {
this.setState({
orientation: e.value
});
}
submenuDirectionChanged(e) {
this.setState({
submenuDirection: e.value
});
}
hideSubmenuOnMouseLeaveChanged(e) {
this.setState({
hideSubmenuOnMouseLeave: e.value
});
}
}
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/20.2.6/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.6/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>
.form {
margin-left: 3px;
}
.form > div:first-child {
margin-right: 320px;
}
.label {
font-size: 22px;
}
#product-details {
width: 400px;
height: 400px;
margin: 20px auto 0;
}
#product-details > img {
height: 300px;
width: 400px;
}
#product-details > .name {
text-align: center;
font-size: 20px;
}
#product-details > .price {
text-align: center;
font-size: 24px;
}
.dark #product-details > div {
color: #f0f0f0;
}
.options {
padding: 20px;
position: absolute;
bottom: 0;
right: 0;
width: 260px;
top: 0;
background-color: rgba(191, 191, 191, 0.15);
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option {
margin-top: 10px;
}
.hidden {
visibility: hidden;
}
const products = [{
id: '1',
name: 'Video Players',
items: [{
id: '1_1',
name: 'HD Video Player',
price: 220,
icon: '../../../../images/products/1.png'
}, {
id: '1_2',
name: 'SuperHD Video Player',
icon: '../../../../images/products/2.png',
price: 270
}]
}, {
id: '2',
name: 'Televisions',
items: [{
id: '2_1',
name: 'SuperLCD 42',
icon: '../../../../images/products/7.png',
price: 1200
}, {
id: '2_2',
name: 'SuperLED 42',
icon: '../../../../images/products/5.png',
price: 1450
}, {
id: '2_3',
name: 'SuperLED 50',
icon: '../../../../images/products/4.png',
price: 1600
}, {
id: '2_4',
name: 'SuperLCD 55 (Not available)',
icon: '../../../../images/products/6.png',
price: 1350,
disabled: true
}, {
id: '2_5',
name: 'SuperLCD 70',
icon: '../../../../images/products/9.png',
price: 4000
}]
}, {
id: '3',
name: 'Monitors',
items: [{
id: '3_1',
name: '19"',
items: [{
id: '3_1_1',
name: 'DesktopLCD 19',
icon: '../../../../images/products/10.png',
price: 160
}]
}, {
id: '3_2',
name: '21"',
items: [{
id: '3_2_1',
name: 'DesktopLCD 21',
icon: '../../../../images/products/12.png',
price: 170
}, {
id: '3_2_2',
name: 'DesktopLED 21',
icon: '../../../../images/products/13.png',
price: 175
}]
}]
}, {
id: '4',
name: 'Projectors',
items: [{
id: '4_1',
name: 'Projector Plus',
icon: '../../../../images/products/14.png',
price: 550
}, {
id: '4_2',
name: 'Projector PlusHD',
icon: '../../../../images/products/15.png',
price: 750
}]
}];
export default {
getProducts() {
return products;
}
};
System.config({
transpiler: 'plugin-babel',
meta: {
'devextreme/localization.js': {
"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',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.26.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.6',
'devextreme-react': 'npm:devextreme-react@20.2.6',
'jszip': 'npm:jszip@3.6.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.10.3/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.18/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.24/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.13/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.13/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
}
});