jqwidgets-framework/demos/Angular/src/treegrid/columnicons/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, ViewEncapsulation } from '@angular/core';

import { jqxTreeGridComponent } from 'jqwidgets-ng/jqxtreegrid';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.css'],
    encapsulation: ViewEncapsulation.None
})

export class AppComponent {
    @ViewChild('TreeGrid', { static: false }) treeGrid: jqxTreeGridComponent

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


    employees: any[] = [{ "EmployeeID": 1, "FirstName": "Nancy", "LastName": "Davolio", "ReportsTo": 2, "Country": "USA", "Title": "Sales Representative", "HireDate": "1992-05-01 00:00:00", "BirthDate": "1948-12-08 00:00:00", "City": "Seattle", "Address": "507 - 20th Ave. E.Apt. 2A" }, { "EmployeeID": 2, "FirstName": "Andrew", "LastName": "Fuller", "ReportsTo": null, "Country": "USA", "Title": "Vice President, Sales", "HireDate": "1992-08-14 00:00:00", "BirthDate": "1952-02-19 00:00:00", "City": "Tacoma", "Address": "908 W. Capital Way" }, { "EmployeeID": 3, "FirstName": "Janet", "LastName": "Leverling", "ReportsTo": 2, "Country": "USA", "Title": "Sales Representative", "HireDate": "1992-04-01 00:00:00", "BirthDate": "1963-08-30 00:00:00", "City": "Kirkland", "Address": "722 Moss Bay Blvd." }, { "EmployeeID": 4, "FirstName": "Margaret", "LastName": "Peacock", "ReportsTo": 2, "Country": "USA", "Title": "Sales Representative", "HireDate": "1993-05-03 00:00:00", "BirthDate": "1937-09-19 00:00:00", "City": "Redmond", "Address": "4110 Old Redmond Rd." }, { "EmployeeID": 5, "FirstName": "Steven", "LastName": "Buchanan", "ReportsTo": 2, "Country": "UK", "Title": "Sales Manager", "HireDate": "1993-10-17 00:00:00", "BirthDate": "1955-03-04 00:00:00", "City": "London", "Address": "14 Garrett Hill" }, { "EmployeeID": 6, "FirstName": "Michael", "LastName": "Suyama", "ReportsTo": 5, "Country": "UK", "Title": "Sales Representative", "HireDate": "1993-10-17 00:00:00", "BirthDate": "1963-07-02 00:00:00", "City": "London", "Address": "Coventry House Miner Rd." }, { "EmployeeID": 7, "FirstName": "Robert", "LastName": "King", "ReportsTo": 5, "Country": "UK", "Title": "Sales Representative", "HireDate": "1994-01-02 00:00:00", "BirthDate": "1960-05-29 00:00:00", "City": "London", "Address": "Edgeham Hollow Winchester Way" }, { "EmployeeID": 8, "FirstName": "Laura", "LastName": "Callahan", "ReportsTo": 2, "Country": "USA", "Title": "Inside Sales Coordinator", "HireDate": "1994-03-05 00:00:00", "BirthDate": "1958-01-09 00:00:00", "City": "Seattle", "Address": "4726 - 11th Ave. N.E." }, { "EmployeeID": 9, "FirstName": "Anne", "LastName": "Dodsworth", "ReportsTo": 5, "Country": "UK", "Title": "Sales Representative", "HireDate": "1994-11-15 00:00:00", "BirthDate": "1966-01-27 00:00:00", "City": "London", "Address": "7 Houndstooth Rd." }];
    // prepare the data
    source: any =
    {
        dataType: "json",
        dataFields: [
            { name: 'EmployeeID', type: 'number' },
            { name: 'ReportsTo', type: 'number' },
            { name: 'FirstName', type: 'string' },
            { name: 'LastName', type: 'string' },
            { name: 'Country', type: 'string' },
            { name: 'City', type: 'string' },
            { name: 'Address', type: 'string' },
            { name: 'Title', type: 'string' },
            { name: 'HireDate', type: 'date' },
            { name: 'BirthDate', type: 'date' }
        ],
        hierarchy:
        {
            keyDataField: { name: 'EmployeeID' },
            parentDataField: { name: 'ReportsTo' }
        },
        id: 'EmployeeID',
        localData: this.employees
    };

    dataAdapter: any = new jqx.dataAdapter(this.source, {
        beforeLoadComplete: (records: any[]): any[] => {
            for (let i = 0; i < records.length; i++) {
                let imgUrl = './../../../images/' + records[i].FirstName.toLowerCase() + '.png';
                records[i].icon = imgUrl;
            }
            return records;
        }
    });

    columns: any[] = [
        { text: 'FirstName', columnGroup: 'Name', dataField: 'FirstName', width: 200 },
        { text: 'LastName', columnGroup: 'Name', dataField: 'LastName', width: 150 },
        { text: 'Title', dataField: 'Title', width: 160 },
        { text: 'Birth Date', dataField: 'BirthDate', cellsFormat: 'd', width: 120 },
        { text: 'Hire Date', dataField: 'HireDate', cellsFormat: 'd', width: 120 },
        { text: 'Address', dataField: 'Address', width: 250 },
        { text: 'City', dataField: 'City', width: 120 },
        { text: 'Country', dataField: 'Country' }
    ];

    columnGroups: any[] = [
        { text: 'Name', name: 'Name' }
    ];

    ready(): void {
        this.treeGrid.expandRow(2);
    }
}