import React from 'react';
import 'devextreme/data/odata/store';
import DataGrid, { Column, Paging, Pager } from 'devextreme-react/data-grid';
import CustomStore from 'devextreme/data/custom_store';
import 'whatwg-fetch';
function isNotEmpty(value) {
return value !== undefined && value !== null && value !== '';
}
const store = new CustomStore({
key: 'OrderNumber',
load: function(loadOptions) {
let params = '?';
[
'skip',
'take',
'requireTotalCount',
'requireGroupCount',
'sort',
'filter',
'totalSummary',
'group',
'groupSummary'
].forEach(function(i) {
if (i in loadOptions && isNotEmpty(loadOptions[i]))
{ params += `${i}=${JSON.stringify(loadOptions[i])}&`; }
});
params = params.slice(0, -1);
return fetch(`https://js.devexpress.com/Demos/WidgetsGalleryDataService/api/orders${params}`)
.then(response => response.json())
.then((data) => {
return {
data: data.data,
totalCount: data.totalCount,
summary: data.summary,
groupCount: data.groupCount
};
})
.catch(() => { throw 'Data Loading Error'; });
}
});
class App extends React.Component {
render() {
return (
<DataGrid
dataSource={store}
showBorders={true}
remoteOperations={true}
>
<Column
dataField="OrderNumber"
dataType="number"
/>
<Column
dataField="OrderDate"
dataType="date"
/>
<Column
dataField="StoreCity"
dataType="string"
/>
<Column
dataField="StoreState"
dataType="string"
/>
<Column
dataField="Employee"
dataType="string"
/>
<Column
dataField="SaleAmount"
dataType="number"
format="currency"
/>
<Paging defaultPageSize={12} />
<Pager
showPageSizeSelector={true}
allowedPageSizes={[8, 12, 20]}
/>
</DataGrid>
);
}
}
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/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx.light.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>
<link rel="stylesheet" type="text/css" href="styles.css" />
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></div>
</div>
</body>
</html>
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',
'whatwg-fetch': 'npm:whatwg-fetch@2.0.4/fetch.js',
'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@20.2.5',
'devextreme-react': 'npm:devextreme-react@20.2.5',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.8/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.11/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.18/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.11/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.11/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
}
});