e958be24bf
Mainly copyedits and prep for extension + example code cleanup & bug fix + fix bug in default color initialization
44 lines
1.1 KiB
Dart
44 lines
1.1 KiB
Dart
// #docplaster
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// #docregion full
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import 'package:angular2/core.dart';
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@Directive(selector: '[myHighlight]', host: const {
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'(mouseenter)': 'onMouseEnter()',
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'(mouseleave)': 'onMouseLeave()'
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})
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// #docregion class-1
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class HighlightDirective {
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String _defaultColor = 'red';
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final dynamic _el;
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HighlightDirective(ElementRef elRef) : _el = elRef.nativeElement;
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// #enddocregion class-1
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// #docregion defaultColor
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@Input() set defaultColor(String colorName) {
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_defaultColor = (colorName ?? _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') String highlightColor;
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// #enddocregion color
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// #docregion mouse-enter
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void onMouseEnter() { _highlight(highlightColor ?? _defaultColor); }
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// #enddocregion mouse-enter
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void onMouseLeave() { _highlight(); }
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void _highlight([String color]) {
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if(_el != null) _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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/*
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// #docregion highlight
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@Input() String myHighlight;
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// #enddocregion highlight
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*/
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