import React from 'react';
import DataGrid, { Grouping, Column, ColumnChooser, LoadPanel } from 'devextreme-react/data-grid';
import { Template } from 'devextreme-react/core/template';
import query from 'devextreme/data/query';
import service from './data.js';
class App extends React.Component {
constructor(props) {
super(props);
this.orders = service.getOrders();
this.state = {
expanded: true,
totalCount: this.getGroupCount('CustomerStoreState')
};
this.onToolbarPreparing = this.onToolbarPreparing.bind(this);
this.toolbarItemRender = this.toolbarItemRender.bind(this);
this.dataGrid = null;
}
getGroupCount(groupField) {
return query(this.orders)
.groupBy(groupField)
.toArray().length;
}
toolbarItemRender() {
return (
<div className="informer">
<h2 className="count">{this.state.totalCount}</h2>
<span className="name">Total Count</span>
</div>
);
}
onToolbarPreparing(e) {
e.toolbarOptions.items.unshift({
location: 'before',
template: 'totalGroupCount'
}, {
location: 'before',
widget: 'dxSelectBox',
options: {
width: 200,
items: [{
value: 'CustomerStoreState',
text: 'Grouping by State'
}, {
value: 'Employee',
text: 'Grouping by Employee'
}],
displayExpr: 'text',
valueExpr: 'value',
value: 'CustomerStoreState',
onValueChanged: this.groupChanged.bind(this)
}
}, {
location: 'before',
widget: 'dxButton',
options: {
width: 136,
text: 'Collapse All',
onClick: this.collapseAllClick.bind(this)
}
}, {
location: 'after',
widget: 'dxButton',
options: {
icon: 'refresh',
onClick: this.refreshDataGrid.bind(this)
}
});
}
groupChanged(e) {
this.dataGrid.instance.clearGrouping();
this.dataGrid.instance.columnOption(e.value, 'groupIndex', 0);
this.setState({
totalCount: this.getGroupCount(e.value)
});
}
collapseAllClick(e) {
let newValue = !this.state.expanded;
e.component.option('text', newValue ? 'Collapse All' : 'Expand All');
this.setState({
expanded: newValue
});
}
refreshDataGrid() {
this.dataGrid.instance.refresh();
}
render() {
return (
<DataGrid id="gridContainer"
ref={(ref) => this.dataGrid = ref}
dataSource={this.orders}
showBorders={true}
onToolbarPreparing={this.onToolbarPreparing}>
<Grouping autoExpandAll={this.state.expanded} />
<ColumnChooser enabled={true} />
<LoadPanel enabled={true} />
<Column dataField="OrderNumber" caption="Invoice Number" />
<Column dataField="OrderDate" />
<Column dataField="Employee" />
<Column dataField="CustomerStoreCity" caption="City" />
<Column dataField="CustomerStoreState" caption="State" groupIndex={0} />
<Column dataField="SaleAmount" alignment="right" format="currency" />
<Template name="totalGroupCount" render={this.toolbarItemRender} />
</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/20.2.4/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>
.dx-datagrid-header-panel {
padding: 0;
background-color: rgba(85, 149, 222, 0.6);
}
.dx-datagrid-header-panel .dx-toolbar {
margin: 0;
padding-right: 20px;
background-color: transparent;
}
.dx-datagrid-header-panel .dx-toolbar-items-container {
height: 70px;
}
.dx-datagrid-header-panel .dx-toolbar-before .dx-toolbar-item:not(:first-child) {
background-color: rgba(103, 171, 255, 0.6);
}
.dx-datagrid-header-panel .dx-toolbar-before .dx-toolbar-item:last-child {
padding-right: 10px;
}
.dx-datagrid-header-panel .dx-selectbox {
margin: 17px 10px;
}
.dx-datagrid-header-panel .dx-button {
margin: 17px 0;
}
.informer {
height: 70px;
width: 130px;
text-align: center;
color: #fff;
}
.count {
padding-top: 15px;
line-height: 27px;
margin: 0;
}
let orders = [{
'ID' : 1,
'OrderNumber' : 35703,
'OrderDate' : new Date(2014, 3, 10),
'SaleAmount' : 11800,
'Terms' : '15 Days',
'TotalAmount' : 12175,
'CustomerStoreState' : 'California',
'CustomerStoreCity' : 'Los Angeles',
'Employee' : 'Harv Mudd'
}, {
'ID' : 4,
'OrderNumber' : 35711,
'OrderDate' : new Date(2014, 0, 12),
'SaleAmount' : 16050,
'Terms' : '15 Days',
'TotalAmount' : 16550,
'CustomerStoreState' : 'California',
'CustomerStoreCity' : 'San Jose',
'Employee' : 'Jim Packard'
}, {
'ID' : 5,
'OrderNumber' : 35714,
'OrderDate' : new Date(2014, 0, 22),
'SaleAmount' : 14750,
'Terms' : '15 Days',
'TotalAmount' : 15250,
'CustomerStoreState' : 'Nevada',
'CustomerStoreCity' : 'Las Vegas',
'Employee' : 'Harv Mudd'
}, {
'ID' : 7,
'OrderNumber' : 35983,
'OrderDate' : new Date(2014, 1, 7),
'SaleAmount' : 3725,
'Terms' : '15 Days',
'TotalAmount' : 3850,
'CustomerStoreState' : 'Colorado',
'CustomerStoreCity' : 'Denver',
'Employee' : 'Todd Hoffman'
}, {
'ID' : 9,
'OrderNumber' : 36987,
'OrderDate' : new Date(2014, 2, 11),
'SaleAmount' : 14200,
'Terms' : '15 Days',
'TotalAmount' : 14800,
'CustomerStoreState' : 'Utah',
'CustomerStoreCity' : 'Salt Lake City',
'Employee' : 'Clark Morgan'
}, {
'ID' : 11,
'OrderNumber' : 38466,
'OrderDate' : new Date(2014, 2, 1),
'SaleAmount' : 7800,
'Terms' : '15 Days',
'TotalAmount' : 8200,
'CustomerStoreState' : 'California',
'CustomerStoreCity' : 'Los Angeles',
'Employee' : 'Harv Mudd'
}, {
'ID' : 14,
'OrderNumber' : 39420,
'OrderDate' : new Date(2014, 1, 15),
'SaleAmount' : 20500,
'Terms' : '15 Days',
'TotalAmount' : 9100,
'CustomerStoreState' : 'California',
'CustomerStoreCity' : 'San Jose',
'Employee' : 'Jim Packard'
}, {
'ID' : 15,
'OrderNumber' : 39874,
'OrderDate' : new Date(2014, 1, 4),
'SaleAmount' : 9050,
'Terms' : '30 Days',
'TotalAmount' : 19100,
'CustomerStoreState' : 'Nevada',
'CustomerStoreCity' : 'Las Vegas',
'Employee' : 'Harv Mudd'
}, {
'ID' : 18,
'OrderNumber' : 42847,
'OrderDate' : new Date(2014, 1, 15),
'SaleAmount' : 20400,
'Terms' : '30 Days',
'TotalAmount' : 20800,
'CustomerStoreState' : 'Wyoming',
'CustomerStoreCity' : 'Casper',
'Employee' : 'Todd Hoffman'
}, {
'ID' : 19,
'OrderNumber' : 43982,
'OrderDate' : new Date(2014, 4, 29),
'SaleAmount' : 6050,
'Terms' : '30 Days',
'TotalAmount' : 6250,
'CustomerStoreState' : 'Utah',
'CustomerStoreCity' : 'Salt Lake City',
'Employee' : 'Clark Morgan'
}, {
'ID' : 29,
'OrderNumber' : 56272,
'OrderDate' : new Date(2014, 1, 6),
'SaleAmount' : 15850,
'Terms' : '30 Days',
'TotalAmount' : 16350,
'CustomerStoreState' : 'Utah',
'CustomerStoreCity' : 'Salt Lake City',
'Employee' : 'Clark Morgan'
}, {
'ID' : 30,
'OrderNumber' : 57429,
'OrderDate' : new Date(2013, 11, 31),
'SaleAmount' : 11050,
'Terms' : '30 Days',
'TotalAmount' : 11400,
'CustomerStoreState' : 'Arizona',
'CustomerStoreCity' : 'Phoenix',
'Employee' : 'Clark Morgan'
}];
export default {
getOrders() {
return orders;
}
};
System.config({
transpiler: 'plugin-babel',
meta: {
},
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@1.25.0/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
}
});