Struggling to incorporate hover intent in Angular 2. Any advice or suggestions would be greatly appreciated.
Struggling to incorporate hover intent in Angular 2. Any advice or suggestions would be greatly appreciated.
If you want to add hover intent functionality to your Angular project, one option is to utilize the hoverintent plugin.
To achieve this, you can develop your custom Angular attribute directive and integrate the plugin with the element that the directive is applied to. Here is a basic example of how you can set this up within the ngOnInit method of your directive:
public ngOnInit()
{
this.HoverListener = hoverintent(this.Element.nativeElement,
() =>
{
// Mouse over action - e.g., opening a menu
},
() =>
{
// Mouse out action - e.g., closing a menu
}
);
}
Ensure you inject the ElementRef in the constructor to access the Element reference:
constructor(protected Element: ElementRef)
{
}
Don't forget to call the remove() method in the ngOnDestroy method of your directive to prevent memory leaks:
public ngOnDestroy()
{
this.HoverListener.remove();
}
In my project where I used this plugin, I opted to load the plugin's JavaScript source file directly on the page rather than bundling it with the AOT compiled application.
To implement hover functionality in Angular, it is necessary to utilize the mouseenter and mouseleave events over elements.
Refer to the example below for guidance:
HTML
<p (mouseenter)="onMouseEnter($event)" (mouseleave)="onMouseLeave($event)">Some value</p>
Code
public onMouseEnter($event): void {
// Add your code for when the mouse cursor enters the element
}
public onMouseLeave($event): void {
// Add your code for when the mouse cursor leaves the element
}
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