import * as React from 'react';
 


import JqxGrid, { IGridProps, jqx } from 'jqwidgets-scripts/jqwidgets-react-tsx/jqxgrid';

class App extends React.PureComponent<{}, IGridProps> {

    private myGrid = React.createRef<JqxGrid>();
    private eventLog = React.createRef<HTMLDivElement>();

    constructor(props: {}) {
        super(props);
        this.myGridOnCellSelect = this.myGridOnCellSelect.bind(this);
        this.myGridOnCellEndEdit = this.myGridOnCellEndEdit.bind(this);

        const countries: any[] = [
            { value: 'AF', label: 'Afghanistan' },
            { value: 'AL', label: 'Albania' },
            { value: 'DZ', label: 'Algeria' },
            { value: 'AR', label: 'Argentina' },
            { value: 'AM', label: 'Armenia' },
            { value: 'AU', label: 'Australia' },
            { value: 'AT', label: 'Austria' },
            { value: 'AZ', label: 'Azerbaijan' },
            { value: 'BS', label: 'Bahamas' },
            { value: 'BH', label: 'Bahrain' },
            { value: 'BD', label: 'Bangladesh' },
            { value: 'BB', label: 'Barbados' },
            { value: 'BY', label: 'Belarus' },
            { value: 'BE', label: 'Belgium' },
            { value: 'BZ', label: 'Belize' },
            { value: 'BJ', label: 'Benin' },
            { value: 'BM', label: 'Bermuda' },
            { value: 'BR', label: 'Brazil' },
            { value: 'BN', label: 'Brunei' },
            { value: 'BG', label: 'Bulgaria' },
            { value: 'CM', label: 'Cameroon' },
            { value: 'CA', label: 'Canada' },
            { value: 'CL', label: 'Chile' },
            { value: 'CN', label: 'China' },
            { value: 'CO', label: 'Columbia' },
            { value: 'CR', label: 'Costa Rica' },
            { value: 'HR', label: 'Croatia (Hrvatska)' },
            { value: 'CU', label: 'Cuba' },
            { value: 'CY', label: 'Cyprus' },
            { value: 'CZ', label: 'Czech Republic' },
            { value: 'DK', label: 'Denmark' },
            { value: 'TP', label: 'East Timor' },
            { value: 'EC', label: 'Ecuador' },
            { value: 'EG', label: 'Egypt' },
            { value: 'ER', label: 'Eritrea' },
            { value: 'EE', label: 'Estonia' },
            { value: 'ET', label: 'Ethiopia' },
            { value: 'FI', label: 'Finland' },
            { value: 'FR', label: 'France' },
            { value: 'DE', label: 'Germany' },
            { value: 'GR', label: 'Greece' },
            { value: 'HK', label: 'Hong Kong' },
            { value: 'HU', label: 'Hungary' },
            { value: 'IS', label: 'Iceland' },
            { value: 'IN', label: 'India' },
            { value: 'ID', label: 'Indonesia' },
            { value: 'IR', label: 'Iran' },
            { value: 'IQ', label: 'Iraq' },
            { value: 'IE', label: 'Ireland' },
            { value: 'IL', label: 'Israel' },
            { value: 'IT', label: 'Italy' },
            { value: 'JM', label: 'Jamaica' },
            { value: 'JP', label: 'Japan' },
            { value: 'MX', label: 'Mexico' },
            { value: 'MC', label: 'Monaco' },
            { value: 'MA', label: 'Morocco' },
            { value: 'NL', label: 'Netherlands' },
            { value: 'NZ', label: 'New Zealand' },
            { value: 'NE', label: 'Niger' },
            { value: 'NG', label: 'Nigeria' },
            { value: 'KP', label: 'North Korea' },
            { value: 'NO', label: 'Norway' },
            { value: 'PA', label: 'Panama' },
            { value: 'PE', label: 'Peru' },
            { value: 'PH', label: 'Philippines' },
            { value: 'PL', label: 'Poland' },
            { value: 'PT', label: 'Portugal' },
            { value: 'RO', label: 'Romania' },
            { value: 'RU', label: 'Russia' },
            { value: 'SA', label: 'Saudi Arabia' },
            { value: 'SK', label: 'Slovak Republic' },
            { value: 'SI', label: 'Slovenia' },
            { value: 'ZA', label: 'South Africa' },
            { value: 'KR', label: 'South Korea' },
            { value: 'ES', label: 'Spain' },
            { value: 'SE', label: 'Sweden' },
            { value: 'CH', label: 'Switzerland' },
            { value: 'TN', label: 'Tunisia' },
            { value: 'TR', label: 'Turkey' },
            { value: 'UA', label: 'Ukraine' },
            { value: 'AE', label: 'United Arab Emirates' },
            { value: 'UK', label: 'United Kingdom' },
            { value: 'US', label: 'United States' }
        ];

        const countriesSource: any = {
            datafields: [
                { name: 'label', type: 'string' },
                { name: 'value', type: 'string' }
            ],
            datatype: 'array',
            localdata: countries
        };

        const countriesAdapter: any = new jqx.dataAdapter(countriesSource, { autoBind: true });

        const source: any = {
            datafields: [
                // name - determines the field's name.
                // value - the field's value in the data source.
                // values - specifies the field's values.
                // values.source - specifies the foreign source. The expected value is an array.
                // values.value - specifies the field's value in the foreign source. 
                // values.name - specifies the field's name in the foreign source. 
                // When the adapter is loaded, each record will have a field called 'Country'. The 'Country' for each record comes from the countriesAdapter where the record's 'countryCode' from gridAdapter matches to the 'value' from countriesAdapter. 
                { name: 'Country', value: 'countryCode', values: { source: countriesAdapter.records, value: 'value', name: 'label' } },
                { name: 'countryCode', type: 'string' }
            ],
            datatype: 'array',
            localdata: [
                { countryCode: 'UK' },
                { countryCode: 'US' },
                { countryCode: 'DE' },
                { countryCode: 'FR' },
                { countryCode: 'IN' },
                { countryCode: 'HK' }
            ]
        };

        this.state = {
            columns: [
                {
                    columntype: 'dropdownlist', 
                    createeditor: (row: number, value: any, editor: any): void => {
                        editor.jqxDropDownList({ width: '99%', height: 27, source: countriesAdapter, displayMember: 'label', valueMember: 'value' });
                    },
                    datafield: 'countryCode', displayfield: 'Country', text: 'Country'                 
                }
            ],
            source: new jqx.dataAdapter(source)
        }
    }

    public render() {
        return (
            <div>
                <JqxGrid theme={'material-purple'} ref={this.myGrid}
                    onCellselect={this.myGridOnCellSelect} onCellendedit={this.myGridOnCellEndEdit}
                    width={600} source={this.state.source} columns={this.state.columns}
                    editable={true} autoheight={true} selectionmode={'singlecell'} />

                <div ref={this.eventLog} style={{ fontSize: '13px', marginTop: '20px', fontFamily: 'Verdana' }} />
            </div>
        );
    }

    private myGridOnCellSelect(event: any): void {
        const column = this.myGrid.current!.getcolumn(event.args.datafield);
        const value = this.myGrid.current!.getcellvalue(event.args.rowindex, column.datafield!);
        const displayValue = this.myGrid.current!.getcellvalue(event.args.rowindex, column.displayfield!);
        this.eventLog.current!.innerHTML = '<div>Selected Cell<br/>Row: ' + event.args.rowindex + ', Column: ' + column.text + ', Value: ' + value + ', Label: ' + displayValue + '</div>';
    };

    private myGridOnCellEndEdit(event: any): void {
        const column = this.myGrid.current!.getcolumn(event.args.datafield);
        const container = this.eventLog.current!;
        if (column.displayfield !== column.datafield) {
            container.innerHTML = '<div>Cell Edited:<br/>Index: ' + event.args.rowindex + ', Column: ' + column.text + '<br/>Value: ' + event.args.value.value + ', Label: ' + event.args.value.label
                + '<br/>Old Value: ' + event.args.oldvalue.value + ', Old Label: ' + event.args.oldvalue.label + '</div>';
        }
        else {
            container.innerHTML = '<div>Cell Edited:<br/>Row: ' + event.args.rowindex + ', Column: ' + column.text + '<br/>Value: ' + event.args.value
                + '<br/>Old Value: ' + event.args.oldvalue + '</div>';
        }
    };
}

export default App;