Styling

The TreeList enables you to style its columns, rows, and cells.

Columns

To style the columns of the Kendo UI TreeList for Angular, use the options for:

Customizing Column Styles

You can add a custom CSS class or style to the header, footer, and cell elements of the current column by using the following <kendo-treelist-column> options:

  • headerClass—Specifies the class to be added to the header cell.
  • headerStyle—Specifies the styles to be added to the header cell.
  • class—Specifies the class to be added to the cell.
  • style—Specifies the styles to be added to the cell.
  • footerClass—Specifies the class to be added to the footer cell.
  • footerStyle—Specifies the styles to be added to the footer cell.
import { Component } from '@angular/core';
import { Employee, employees } from './employees';

@Component({
    selector: 'my-app',
    template: `
        <kendo-treelist [kendoTreeListFlatBinding]="data" idField="id" parentIdField="managerId"
                kendoTreeListExpandable
                [height]="410"
                >
            <kendo-treelist-column [expandable]="true" field="name" title="Name" [width]="250"
              [headerStyle]="{'background-color': '#666','color': '#fff','line-height': '1em'}"
              [style]="{'background-color': '#888','color': '#fff'}"
              [footerStyle]="{'background-color': '#888','color': '#fff'}"
            >
            </kendo-treelist-column>
            <kendo-treelist-column field="title" title="Title" [width]="180"
                [headerStyle]="{'background-color': '#666','color': '#fff','line-height': '1em'}"
            ></kendo-treelist-column>
            <kendo-treelist-column field="phone" title="Phone" [width]="180"
              [headerStyle]="{'background-color': '#666','color': '#fff','line-height': '1em'}"
            >
            </kendo-treelist-column>
        </kendo-treelist>
    `
})
export class AppComponent {
    public data: Employee[] = employees;
}
import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { BrowserModule } from '@angular/platform-browser';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { TreeListModule } from '@progress/kendo-angular-treelist';
import { IntlModule } from '@progress/kendo-angular-intl';
import { AppComponent } from './app.component';

@NgModule({
    imports: [
        BrowserModule,
        BrowserAnimationsModule,
        FormsModule,
        TreeListModule,
        IntlModule
    ],
    declarations: [
        AppComponent
    ],
    bootstrap: [
        AppComponent
    ]
})

export class AppModule { }
import { enableProdMode } from '@angular/core';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app.module';

enableProdMode();

const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);

export interface Employee {
    id: number;
    managerId?: number;
    name: string;
    title: string;
    phone: string;
    hireDate?: Date;
}

export const employees: Employee[] = [
    {
        id: 1,
        name: 'Daryl Sweeney',
        title: 'Chief Executive Officer',
        phone: '(555) 924-9726',
        managerId: null,
        hireDate: new Date('2019-01-15')
    },
    {
        id: 2,
        name: 'Guy Wooten',
        title: 'Chief Technical Officer',
        phone: '(438) 738-4935',
        managerId: 1,
        hireDate: new Date('2019-02-19')
    },
    {
        id: 32,
        name: 'Buffy Weber',
        title: 'VP, Engineering',
        phone: '(699) 838-6121',
        managerId: 2,
        hireDate: new Date('2019-04-13')
    },
    {
        id: 11,
        name: 'Hyacinth Hood',
        title: 'Team Lead',
        phone: '(889) 345-2438',
        managerId: 32,
        hireDate: new Date('2018-01-17')
    },
    {
        id: 60,
        name: 'Akeem Carr',
        title: 'Junior Software Developer',
        phone: '(738) 136-2814',
        managerId: 11,
        hireDate: new Date('2018-01-18')
    },
    {
        id: 78,
        name: 'Rinah Simon',
        title: 'Software Developer',
        phone: '(285) 912-5271',
        managerId: 11,
        hireDate: new Date('2018-03-17')
    },
    {
        id: 42,
        name: 'Gage Daniels',
        title: 'Software Architect',
        phone: '(107) 290-6260',
        managerId: 32,
        hireDate: new Date('2019-03-14')
    },
    {
        id: 43,
        name: 'Constance Vazquez',
        title: 'Director, Engineering',
        phone: '(800) 301-1978',
        managerId: 32,
        hireDate: new Date('2018-03-18')
    },
    {
        id: 46,
        name: 'Darrel Solis',
        title: 'Team Lead',
        phone: '(327) 977-0216',
        managerId: 43,
        hireDate: new Date('2019-04-15')
    },
    {
        id: 47,
        name: 'Brian Yang',
        title: 'Senior Software Developer',
        phone: '(565) 146-5435',
        managerId: 46,
        hireDate: new Date('2019-02-21')
    },
    {
        id: 50,
        name: 'Lillian Bradshaw',
        title: 'Software Developer',
        phone: '(323) 509-3479',
        managerId: 46,
        hireDate: new Date('2019-05-23')
    },
    {
        id: 51,
        name: 'Christian Palmer',
        title: 'Technical Lead',
        phone: '(490) 421-8718',
        managerId: 46,
        hireDate: new Date('2019-04-16')
    },
    {
        id: 55,
        name: 'Summer Mosley',
        title: 'QA Engineer',
        phone: '(784) 962-2301',
        managerId: 46,
        hireDate: new Date('2019-09-21')
    },
    {
        id: 56,
        name: 'Barry Ayers',
        title: 'Software Developer',
        phone: '(452) 373-9227',
        managerId: 46,
        hireDate: new Date('2018-04-16')
    },
    {
        id: 59,
        name: 'Keiko Espinoza',
        title: 'Junior QA Engineer',
        phone: '(226) 600-5305',
        managerId: 46,
        hireDate: new Date('2018-01-22')
    },
    {
        id: 61,
        name: 'Candace Pickett',
        title: 'Support Officer',
        phone: '(120) 117-7475',
        managerId: 46,
        hireDate: new Date('2018-09-18')
    },
    {
        id: 63,
        name: 'Mia Caldwell',
        title: 'Team Lead',
        phone: '(848) 636-6470',
        managerId: 43,
        hireDate: new Date('2018-07-17')
    },
    {
        id: 65,
        name: 'Thomas Terry',
        title: 'Senior Enterprise Support Officer',
        phone: '(764) 831-4248',
        managerId: 63,
        hireDate: new Date('2018-07-14')
    },
    {
        id: 67,
        name: 'Ruth Downs',
        title: 'Senior Software Developer',
        phone: '(138) 991-1440',
        managerId: 63,
        hireDate: new Date('2018-08-14')
    },
    {
        id: 70,
        name: 'Yasir Wilder',
        title: 'Senior QA Engineer',
        phone: '(759) 701-8665',
        managerId: 63,
        hireDate: new Date('2019-08-17')
    },
    {
        id: 71,
        name: 'Flavia Short',
        title: 'Support Officer',
        phone: '(370) 133-9238',
        managerId: 63,
        hireDate: new Date('2018-06-15')
    },
    {
        id: 74,
        name: 'Aaron Roach',
        title: 'Junior Software Developer',
        phone: '(958) 717-9230',
        managerId: 63,
        hireDate: new Date('2018-09-18')
    },
    {
        id: 75,
        name: 'Eric Russell',
        title: 'Software Developer',
        phone: '(516) 575-8505',
        managerId: 63,
        hireDate: new Date('2019-09-13')
    },
    {
        id: 76,
        name: 'Cheyenne Olson',
        title: 'Software Developer',
        phone: '(241) 645-0257',
        managerId: 63,
        hireDate: new Date('2018-09-18')
    },
    {
        id: 77,
        name: 'Shaine Avila',
        title: 'UI Designer',
        phone: '(844) 435-1360',
        managerId: 63,
        hireDate: new Date('2018-01-22')
    },
    {
        id: 81,
        name: 'Chantale Long',
        title: 'Senior QA Engineer',
        phone: '(252) 419-6891',
        managerId: 63,
        hireDate: new Date('2018-09-14')
    },
    {
        id: 83,
        name: 'Dane Cruz',
        title: 'Junior Software Developer',
        phone: '(946) 701-6165',
        managerId: 63,
        hireDate: new Date('2019-03-15')
    },
    {
        id: 84,
        name: 'Regan Patterson',
        title: 'Technical Writer',
        phone: '(265) 946-1765',
        managerId: 63,
        hireDate: new Date('2019-05-17')
    },
    {
        id: 85,
        name: 'Drew Mckay',
        title: 'Senior Software Developer',
        phone: '(327) 293-0162',
        managerId: 63,
        hireDate: new Date('2019-05-21')
    },
    {
        id: 88,
        name: 'Bevis Miller',
        title: 'Senior Software Developer',
        phone: '(525) 557-0169',
        managerId: 63,
        hireDate: new Date('2018-08-15')
    },
    {
        id: 89,
        name: 'Bruce Mccarty',
        title: 'Support Officer',
        phone: '(936) 777-8730',
        managerId: 63,
        hireDate: new Date('2019-10-21')
    },
    {
        id: 90,
        name: 'Ocean Blair',
        title: 'Team Lead',
        phone: '(343) 586-6614',
        managerId: 43,
        hireDate: new Date('2018-06-20')
    },
    {
        id: 91,
        name: 'Guinevere Osborn',
        title: 'Software Developer',
        phone: '(424) 741-0006',
        managerId: 90,
        hireDate: new Date('2019-06-17')
    },
    {
        id: 92,
        name: 'Olga Strong',
        title: 'Graphic Designer',
        phone: '(949) 417-1168',
        managerId: 90,
        hireDate: new Date('2018-06-15')
    },
    {
        id: 93,
        name: 'Robert Orr',
        title: 'Support Officer',
        phone: '(977) 341-3721',
        managerId: 90,
        hireDate: new Date('2018-06-22')
    },
    {
        id: 95,
        name: 'Odette Sears',
        title: 'Senior Software Developer',
        phone: '(264) 818-6576',
        managerId: 90,
        hireDate: new Date('2019-05-20')
    },
    {
        id: 45,
        name: 'Zelda Medina',
        title: 'QA Architect',
        phone: '(563) 359-6023',
        managerId: 32,
        hireDate: new Date('2018-08-16')
    },
    {
        id: 3,
        name: 'Priscilla Frank',
        title: 'Chief Product Officer',
        phone: '(217) 280-5300',
        managerId: 1,
        hireDate: new Date('2019-04-22')
    },
    {
        id: 4,
        name: 'Ursula Holmes',
        title: 'EVP, Product Strategy',
        phone: '(370) 983-8796',
        managerId: 3,
        hireDate: new Date('2018-01-15')
    },
    {
        id: 24,
        name: 'Melvin Carrillo',
        title: 'Director, Developer Relations',
        phone: '(344) 496-9555',
        managerId: 3,
        hireDate: new Date('2018-01-17')
    },
    {
        id: 29,
        name: 'Martha Chavez',
        title: 'Developer Advocate',
        phone: '(140) 772-7509',
        managerId: 24,
        hireDate: new Date('2018-05-14')
    },
    {
        id: 30,
        name: 'Oren Fox',
        title: 'Developer Advocate',
        phone: '(714) 284-2408',
        managerId: 24,
        hireDate: new Date('2018-07-19')
    },
    {
        id: 41,
        name: 'Amos Barr',
        title: 'Developer Advocate',
        phone: '(996) 587-8405',
        managerId: 24,
        hireDate: new Date('2019-01-16')
    }
  ];

Highlighting Specific Columns

To highlight a specific column of the TreeList, use the class input of the ColumnComponent. For an example, refer to the API documentation of the ColumnComponent.

Rows

To style the rows of the TreeList, utilize the rowClass function. For an example, refer to the code sample on adding a background color.

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