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202f99d71d
This is just a proof of concept. If we like this direction, it will move out of the examples directory (likely re-written) and be committed in smaller pieces with unit tests and formal reviews. TBR=abarth BUG= Review URL: https://codereview.chromium.org/971183002
80 lines
1.7 KiB
Dart
80 lines
1.7 KiB
Dart
part of widgets;
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class Checkbox extends ButtonBase {
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bool checked;
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ValueChanged onChanged;
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static Style _style = new Style('''
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display: flex;
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justify-content: center;
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align-items: center;
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-webkit-user-select: none;
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cursor: pointer;
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width: 30px;
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height: 30px;'''
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);
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static Style _containerStyle = new Style('''
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border: solid 2px;
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border-color: rgba(90, 90, 90, 0.25);
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width: 10px;
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height: 10px;'''
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);
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static Style _containerHighlightStyle = new Style('''
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border: solid 2px;
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border-color: rgba(90, 90, 90, 0.25);
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width: 10px;
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height: 10px;
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border-radius: 10px;
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background-color: orange;
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border-color: orange;'''
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);
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static Style _uncheckedStyle = new Style('''
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top: 0px;
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left: 0px;'''
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);
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static Style _checkedStyle = new Style('''
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top: 0px;
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left: 0px;
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transform: translate(2px, -15px) rotate(45deg);
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width: 10px;
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height: 20px;
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border-style: solid;
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border-top: none;
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border-left: none;
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border-right-width: 2px;
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border-bottom-width: 2px;
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border-color: #0f9d58;'''
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);
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Checkbox({ Object key, this.onChanged, this.checked }) : super(key: key);
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Node render() {
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return new Container(
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style: _style,
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onClick: _handleClick,
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onPointerDown: _handlePointerDown,
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onPointerUp: _handlePointerUp,
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onPointerCancel: _handlePointerCancel,
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children: [
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new Container(
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style: _highlight ? _containerHighlightStyle : _containerStyle,
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children: [
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new Container(
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style: checked ? _checkedStyle : _uncheckedStyle
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)
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]
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)
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]
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);
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}
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void _handleClick(sky.Event e) {
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onChanged(!checked);
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}
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}
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