// #docregion import {Directive, ElementRef, Renderer, Input} from 'angular2/core'; @Directive({ selector: '[myHighlight]', // #docregion host host: { '(mouseenter)': 'onMouseEnter()', '(mouseleave)': 'onMouseLeave()' } // #enddocregion host }) export class Highlight { // #docregion ctor constructor(private el: ElementRef, private renderer: Renderer) { } // #enddocregion ctor // #docregion mouse-methods onMouseEnter() { this._highlight("yellow"); } onMouseLeave() { this._highlight(null); } private _highlight(color: string) { this.renderer.setElementStyle(this.el, 'backgroundColor', color); } // #enddocregion mouse-methods } // #enddocregion