52 lines
1.2 KiB
TypeScript
52 lines
1.2 KiB
TypeScript
// #docplaster
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// #docregion full
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import {Directive, ElementRef, Input} from 'angular2/core';
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@Directive({
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selector: '[myHighlight]',
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host: {
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'(mouseenter)': 'onMouseEnter()',
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'(mouseleave)': 'onMouseLeave()'
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}
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})
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// #docregion class-1
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export class HighlightDirective {
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private _defaultColor = 'red';
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private _el:HTMLElement;
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// #enddocregion class-1
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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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// #docregion full
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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-1
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// #docregion color
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@Input('myHighlight') highlightColor: string;
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// #enddocregion color
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// #enddocregion class-1
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// #docregion class-1
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constructor(el: ElementRef) { this._el = el.nativeElement; }
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// #docregion mouse-enter
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onMouseEnter() { this._highlight(this.highlightColor || this._defaultColor); }
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// #enddocregion mouse-enter
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onMouseLeave() { this._highlight(null); }
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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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}
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// #enddocregion class-1
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// #enddocregion full
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