jqwidgets-framework/demos/Angular/src/grid/customcomboboxcolumn/app.component.ts

jQWidgets is an advanced Angular, Vue, Blazor, React, Web Components, jquery, ASP .NET MVC, Custom Elements and HTML5 UI framework.

import { Component, ViewChild, ElementRef } from '@angular/core';

import { jqxGridComponent } from 'jqwidgets-ng/jqxgrid'

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html'
})

export class AppComponent {
    @ViewChild('myGrid', { static: false }) myGrid: jqxGridComponent;
    @ViewChild('eventLog', { static: false }) eventLog: ElementRef;

    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' }
    ];

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

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

	getWidth() : any {
		if (document.body.offsetWidth < 850) {
			return '90%';
		}
		
		return 850;
	}

    source: any =
    {
        datatype: 'array',
        localdata:
        [
            { countryCode: 'UK' },
            { countryCode: 'US' },
            { countryCode: 'DE' },
            { countryCode: 'FR' },
            { countryCode: 'IN' },
            { countryCode: 'HK' }
        ],
        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: this.countriesAdapter.records, value: 'value', name: 'label' } },
            { name: 'countryCode', type: 'string' }
        ]
    };

    dataAdapter: any = new jqx.dataAdapter(this.source);

    columns: any[] =
    [
        {
            text: 'Country', datafield: 'countryCode', displayfield: 'Country', columntype: 'combobox',
            createeditor: (row: number, value: any, editor: any): void => {
                editor.jqxComboBox({ source: this.countriesAdapter, displayMember: 'label', valueMember: 'value' });
            }
        }
    ];

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

    myGridOnCellEndEdit(event: any): void {
        let column = this.myGrid.getcolumn(event.args.datafield);
        let container = this.eventLog.nativeElement;
        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>';
        }
    };
}