47 lines
1.1 KiB
TypeScript
47 lines
1.1 KiB
TypeScript
/* tslint:disable:member-ordering */
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// #docplaster
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// #docregion full
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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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// #docregion class
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export class HighlightDirective {
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private _defaultColor = 'red';
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constructor(private el: ElementRef) { }
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// #enddocregion class
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// #docregion defaultColor
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@Input() set defaultColor(colorName: string){
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this._defaultColor = colorName || this._defaultColor;
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}
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// #enddocregion defaultColor
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// #docregion class
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// #docregion color
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@Input('myHighlight') highlightColor: string;
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// #enddocregion color
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// #docregion mouse-enter
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@HostListener('mouseenter') onMouseEnter() {
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this.highlight(this.highlightColor || this._defaultColor);
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}
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// #enddocregion mouse-enter
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@HostListener('mouseleave') onMouseLeave() {
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this.highlight(null);
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}
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private highlight(color: string) {
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this.el.nativeElement.style.backgroundColor = color;
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}
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}
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// #enddocregion class
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// #enddocregion full
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/*
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// #docregion highlight
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@Input() myHighlight: string;
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// #enddocregion highlight
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*/
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