28 lines
638 B
TypeScript

/* tslint:disable:member-ordering */
// #docregion
import { Directive, ElementRef, HostListener, Input } from '@angular/core';
@Directive({
selector: '[myHighlight]'
})
export class HighlightDirective {
constructor(private el: ElementRef) { }
@Input('myHighlight') highlightColor: string;
// #docregion mouse-enter
@HostListener('mouseenter') onMouseEnter() {
this.highlight(this.highlightColor || 'red');
}
// #enddocregion mouse-enter
@HostListener('mouseleave') onMouseLeave() {
this.highlight(null);
}
private highlight(color: string) {
this.el.nativeElement.style.backgroundColor = color;
}
}