Customization in Angular Tooltip component

4 Apr 20236 minutes to read

The Tooltip can be customized by using the cssClass property, which accepts custom CSS class names that define specific user-defined styles and themes to be applied on the Tooltip element.

Tip pointer customization

Styling the tip pointer’s size, background, and border colors can be done using the cssClass property, as given below.

app.component.ts

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

@Component({
    selector: 'my-app',
    template: `
    <ejs-tooltip id="tooltip" content='Tooltip arrow customized' cssClass='custom-tip'>
            Show tooltip
    </ejs-tooltip>
    `,
    styles: [`
    #tooltip {
        display: block;
        background-color: #cfd8dc;
        border: 3px solid #eceff1;
        box-sizing: border-box;
        margin: 80px auto;
        padding: 20px 0;
        width: 200px;
        text-align: center;
        color: #424242;
        font-size: 20px;
    }

    .custom-tip.e-tooltip-wrap {
        padding: 4px;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip.e-tip-bottom {
      height: 20px;
      width: 12px;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip.e-tip-top {
      height: 20px;
      width: 12px;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip.e-tip-left {
      height: 12px;
      width: 20px;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip.e-tip-right {
      height: 12px;
      width: 20px;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip-outer.e-tip-bottom {
      border-left: 6px solid transparent;
      border-right: 6px solid transparent;
      border-top: 20px solid #616161;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip-outer.e-tip-top {
      border-bottom: 20px solid #616161;
      border-left: 6px solid transparent;
      border-right: 6px solid transparent;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip-outer.e-tip-left {
      border-bottom: 6px solid transparent;
      border-right: 20px solid #616161;
      border-top: 6px solid transparent;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip-outer.e-tip-right {
      border-bottom: 6px solid transparent;
      border-left: 20px solid #616161;
      border-top: 6px solid transparent;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip-inner.e-tip-bottom {
      border-left: 12px solid transparent;
      border-right: 5px solid transparent;
      border-top: 19px solid #616161;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip-inner.e-tip-top {
      border-bottom: 19px solid #616161;
      border-left: 5px solid transparent;
      border-right: 5px solid transparent;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip-inner.e-tip-left {
      border-bottom: 5px solid transparent;
      border-right: 19px solid #616161;
      border-top: 5px solid transparent;
    }

    .custom-tip.e-tooltip-wrap .e-arrow-tip-inner.e-tip-right {
      border-bottom: 5px solid transparent;
      border-left: 19px solid #616161;
      border-top: 5px solid transparent;
    }
    `],
    encapsulation: ViewEncapsulation.None
})

export class AppComponent {
}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { TooltipModule } from '@syncfusion/ej2-angular-popups';
import { ButtonModule } from '@syncfusion/ej2-angular-buttons';
import { AppComponent } from './app.component';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        TooltipModule,
        ButtonModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule { }

main.ts

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

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

Tooltip customization

The complete look and feel of the Tooltip can be customized by changing it’s background color, opacity, content font, etc.
The following code example shows the way to achieve it.

app.component.ts

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

@Component({
    selector: 'my-app',
    template: `
    <ejs-tooltip id="tooltip" content='Tooltip customized' cssClass='customtooltip'>
            Show tooltip
    </ejs-tooltip>
    `,
    styleUrls: ['./custom.css'],
    encapsulation: ViewEncapsulation.None
})

export class AppComponent {
}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { TooltipModule } from '@syncfusion/ej2-angular-popups';
import { AppComponent } from './app.component';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        TooltipModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule { }

main.ts

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

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);