jqwidgets-scripts-custom/demos/React/app/grid/filtering/app.js

jQWidgets is an advanced jQuery, Angular 7, Vue, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.

import React from 'react';
import ReactDOM from 'react-dom';

import JqxGrid from '../../../jqwidgets-react/react_jqxgrid.js';
import JqxButton from '../../../jqwidgets-react/react_jqxbuttons.js';
import JqxCheckBox from '../../../jqwidgets-react/react_jqxcheckbox.js';
import JqxPanel from '../../../jqwidgets-react/react_jqxpanel.js';

class App extends React.Component {
    componentDidMount() {
        this.refs.Grid.on('filter', (event) => {
            this.refs.Panel.clearcontent();
            let filterinfo = this.refs.Grid.getfilterinformation();
            let eventData = 'Triggered "filter" event';
            for (i = 0; i < filterinfo.length; i++) {
                let eventData = 'Filter Column: ' + filterinfo[i].filtercolumntext;
                this.refs.Panel.prepend('<div style="margin- top: 5px;">' + eventData + '</div>');
            }
        });
        this.refs.Button.on('click', () => {
            this.refs.Grid.clearfilters();
        });
        // show/hide filter background
        this.refs.CheckBox1.on('change', (event) => {
            this.refs.Grid.showfiltercolumnbackground(event.args.checked);
        });
        // show/hide filter icons
        this.refs.CheckBox2.on('change', (event) => {
            this.refs.Grid.autoshowfiltericon(!event.args.checked);
        });
        this.addFilter()
    }
    addFilter() {
        let filtergroup = new $.jqx.filter();
        let filter_or_operator = 1;
        let filtervalue = 'Beate';
        let filtercondition = 'contains';
        let filter1 = filtergroup.createfilter('stringfilter', filtervalue, filtercondition);
        filtervalue = 'Andrew';
        filtercondition = 'starts_with';
        let filter2 = filtergroup.createfilter('stringfilter', filtervalue, filtercondition);

        filtergroup.addfilter(filter_or_operator, filter1);
        filtergroup.addfilter(filter_or_operator, filter2);
        // add the filters.
        this.refs.Grid.addfilter('firstname', filtergroup);
        // apply the filters.
        this.refs.Grid.applyfilters();
    }
    render() {
        let data = generatedata(500);
        let source =
            {
                localdata: data,
                datafields:
                [
                    { name: 'firstname', type: 'string' },
                    { name: 'lastname', type: 'string' },
                    { name: 'productname', type: 'string' },
                    { name: 'date', type: 'date' },
                    { name: 'quantity', type: 'number' },
                    { name: 'price', type: 'number' }
                ],
                datatype: 'array'
            };
        let dataAdapter = new $.jqx.dataAdapter(source);

        let columns =
            [
                { text: 'First Name', datafield: 'firstname', width: 160 },
                { text: 'Last Name', datafield: 'lastname', width: 160 },
                { text: 'Product', datafield: 'productname', width: 170 },
                { text: 'Order Date', datafield: 'date', filtertype: 'date', width: 160, cellsformat: 'dd-MMMM-yyyy' },
                { text: 'Quantity', datafield: 'quantity', width: 80, cellsalign: 'right' },
                { text: 'Unit Price', datafield: 'price', cellsalign: 'right', cellsformat: 'c2' }
            ];
        return (
            <div id='jqxWidget' style={{ fontSize: 13, fontFamily: 'Verdana', float: 'left' }}>
                <JqxGrid ref='Grid'
                    width={850} source={dataAdapter} filterable={true}
                    sortable={true} autoshowfiltericon={true} columns={columns}
                />
                <div id='eventslog' style={{ marginTop: 30 }}>
                    <div style={{ width: 200, float: 'left', marginRight: 10 }}>
                        <JqxButton ref='Button' height={25} value='Remove Filter' />
                        <JqxCheckBox ref='CheckBox1' checked={true} height={25} style={{ marginTop: 10 }} value='Filter Background' />
                        <JqxCheckBox ref='CheckBox2' checked={false} height={25} style={{ marginTop: 10 }} value='Show All Filter Icons' />
                    </div>
                    <div style={{ float: 'left' }}>
                        Event Log:
            <JqxPanel ref='Panel' width={300} height={80} style={{ border: 'none' }} />
                    </div>
                </div>
            </div>
        )
    }
}

ReactDOM.render(<App />, document.getElementById('app'));