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