38 lines
816 B
TypeScript
38 lines
816 B
TypeScript
/* tslint:disable:no-unused-variable */
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// #docplaster
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// #docregion
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import { Directive, ElementRef, HostListener, Input } from '@angular/core';
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@Directive({
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selector: '[myHighlight]'
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})
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export class HighlightDirective {
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// #docregion ctor
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private el: HTMLElement;
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constructor(el: ElementRef) { this.el = el.nativeElement; }
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// #enddocregion ctor
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// #docregion mouse-methods, host
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@HostListener('mouseenter') onMouseEnter() {
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// #enddocregion host
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this.highlight('yellow');
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// #docregion host
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}
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@HostListener('mouseleave') onMouseLeave() {
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// #enddocregion host
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this.highlight(null);
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// #docregion host
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}
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// #enddocregion host
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private highlight(color: string) {
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this.el.style.backgroundColor = color;
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}
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// #enddocregion mouse-methods
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}
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// #enddocregion
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