PrimeNG ToolTip fails to appear

I am experiencing issues with getting tooltips to display properly on my webpage. When I hover over the tooltip trigger, the screen seems to expand with a vertical scrollbar appearing, but no tooltip is shown. It appears as though the tooltip might be trying to display at the bottom of the page, where nothing is visible. Despite trying various solutions, I have not been able to resolve this specific problem.

import { NgModule } from '@angular/core';
import { CommonModule } from '@common/common-module';
import { TooltipModule } from 'primeng/tooltip';

@NgModule({
  declarations: [
    SystemComponent,
  ],
  imports: [CommonModule, TooltipModule],
  exports: [SystemComponent],
})
export class SystemModule {}
import { Component } from '@angular/core';

@Component({
  selector: 'app-system',
  templateUrl: './system.component.html',
  styleUrls: ['./system.component.scss'],
})
export class SystemComponent {
  ngOnInit(): void {}
}
<div class="body">
   <header pTooltip="Name of the system"> System 1 </header>
</div>
.body {
  display: flex;
}

I suspect that this issue may be related to version compatibility. However, updating Angular at this time is not feasible due to the current state of the codebase. I wonder if there are specific PrimeNG styles that also need to be imported and used in order for the tooltips to work correctly?

"@angular/animations": "^16.2.0",
"@angular/common": "^16.2.0",
"@angular/compiler": "^16.2.0",
"@angular/core": "^16.2.0",
"@angular/forms": "^16.2.0",
"@angular/platform-browser": "^16.2.0",
"@angular/platform-browser-dynamic": "^16.2.0",
"@angular/router": "^16.2.0",
"primeng": "16.9",

Answer №1

Usually, the issue can be traced back to having the CSS property display: flex applied to the body element. This can result in the children elements having minimal width, making it appear as though no tooltip is being displayed upon hovering.

To resolve this, you'll want to change the component's display property to block, especially if it defaults to inline with no height specified.

 styles: [`:host {display: block;}`],

Additionally, ensure that the header element has a full width set using width: 100%.

import { Component } from '@angular/core';
import { TooltipModule } from 'primeng/tooltip';
@Component({
  selector: 'tooltip-position-demo',
  template: `
    <div class="body">
        <header pTooltip="Name of the system" style="width: 100%">System 1</header>
    </div>
  `,
  standalone: true,
  imports: [TooltipModule],
  styles: [`:host {display: block;}`],
})
export class TooltipPositionDemo {}

Check out the Stackblitz Demo here!

Answer №2

In my experience, I have found that Tooltips only function on specific elements such as inputs and buttons.
This conclusion is based on both personal observation and information from the documentation.
Although the documentation may be somewhat unclear, it does mention

Tooltip is integrated within various PrimeNG components.

This suggests that Tooltips may only be compatible with primeNg components.
As <header> is not one of these components, the Tooltip feature will not work on it.

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