78 lines
2.4 KiB
Dart
78 lines
2.4 KiB
Dart
import 'package:aves/widgets/viewer/overlay/common.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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class ActionButton extends StatelessWidget {
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final String text;
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final Widget? icon;
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final bool enabled, showCaption;
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final VoidCallback? onPressed;
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const ActionButton({
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super.key,
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required this.text,
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required this.icon,
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this.enabled = true,
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this.showCaption = true,
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this.onPressed,
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}) : assert(onPressed == null || enabled);
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static const int maxLines = 2;
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static const double padding = 8;
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@override
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Widget build(BuildContext context) {
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final textStyle = _textStyle(context);
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final _enabled = onPressed != null || enabled;
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return SizedBox(
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width: _width(context),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const SizedBox(height: padding),
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OverlayButton(
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child: IconButton(
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icon: icon ?? const SizedBox(),
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onPressed: onPressed ?? (_enabled ? () {} : null),
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),
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),
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if (showCaption) ...[
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const SizedBox(height: padding),
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Text(
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text,
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style: _enabled ? textStyle : textStyle.copyWith(color: textStyle.color!.withOpacity(.2)),
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textAlign: TextAlign.center,
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overflow: TextOverflow.ellipsis,
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maxLines: maxLines,
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),
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],
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const SizedBox(height: padding),
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],
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),
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);
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}
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static TextStyle _textStyle(BuildContext context) => Theme.of(context).textTheme.bodySmall!;
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static double _width(BuildContext context) => OverlayButton.getSize(context) + padding * 2;
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static Size getSize(BuildContext context, String text, {required bool showCaption}) {
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final width = _width(context);
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var height = width;
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if (showCaption) {
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final para = RenderParagraph(
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TextSpan(text: text, style: _textStyle(context)),
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textDirection: TextDirection.ltr,
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textScaleFactor: MediaQuery.textScaleFactorOf(context),
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maxLines: maxLines,
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)..layout(const BoxConstraints(), parentUsesSize: true);
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height += para.getMaxIntrinsicHeight(width) + padding;
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}
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return Size(width, height);
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}
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static double getTelevisionButtonHeight(BuildContext context) {
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final text = 'whatever' * 42;
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return ActionButton.getSize(context, text, showCaption: true).height;
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}
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}
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