dab246
131 lines
3.5 KiB
Dart
131 lines
3.5 KiB
Dart
import 'package:core/presentation/extensions/color_extension.dart';
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import 'package:core/presentation/utils/theme_utils.dart';
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import 'package:flutter/gestures.dart';
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import 'package:flutter/material.dart';
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class CleanMessagesBanner extends StatelessWidget {
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final String message;
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final String positiveAction;
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final VoidCallback onPositiveAction;
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final EdgeInsetsGeometry? margin;
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const CleanMessagesBanner({
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super.key,
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required this.message,
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required this.positiveAction,
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required this.onPositiveAction,
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this.margin,
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});
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@override
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Widget build(BuildContext context) {
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return LayoutBuilder(builder: (_, constraints) {
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final textStyle = Theme.of(context).textTheme.bodySmall!.copyWith(
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color: AppColor.steelGray400,
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);
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final actionStyle = ThemeUtils.textStyleInter700(
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color: AppColor.blue700,
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fontSize: 14,
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);
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final actionText = ' $positiveAction';
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const horizontalPadding = 16;
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final maxWidth = constraints.maxWidth - horizontalPadding;
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const maxLines = 3;
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final actionTp = TextPainter(
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text: TextSpan(text: actionText, style: actionStyle),
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textDirection: TextDirection.ltr,
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maxLines: 1,
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)..layout(maxWidth: maxWidth);
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final maxMessageWidth = maxWidth - actionTp.width;
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String finalMessage = message;
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TextPainter messageTp = _buildMessageTp(
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finalMessage,
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textStyle,
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maxLines,
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maxMessageWidth,
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);
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if (messageTp.didExceedMaxLines) {
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finalMessage = _truncateMiddle(
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finalMessage,
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textStyle,
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maxMessageWidth,
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maxLines,
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);
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}
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return Container(
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decoration: BoxDecoration(
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color: AppColor.m3LayerDarkOutline.withOpacity(0.08),
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borderRadius: const BorderRadius.all(Radius.circular(8)),
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),
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 12),
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margin: margin,
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alignment: Alignment.center,
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child: Text.rich(
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TextSpan(
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style: textStyle,
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children: [
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TextSpan(text: '$finalMessage '),
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TextSpan(
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text: actionText,
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style: actionStyle,
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recognizer: TapGestureRecognizer()..onTap = onPositiveAction,
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),
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],
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),
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maxLines: maxLines,
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overflow: TextOverflow.clip,
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),
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);
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});
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}
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TextPainter _buildMessageTp(
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String text,
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TextStyle style,
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int maxLines,
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double maxWidth,
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) {
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return TextPainter(
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text: TextSpan(text: text, style: style),
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textDirection: TextDirection.ltr,
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maxLines: maxLines,
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)..layout(maxWidth: maxWidth);
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}
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String _truncateMiddle(
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String text,
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TextStyle style,
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double maxWidth,
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int maxLines,
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) {
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const ellipsis = '...';
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int left = 0;
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int right = text.length;
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while (left < right) {
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final mid = ((right - left) ~/ 2) + left;
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final leftStr = text.substring(0, mid ~/ 2);
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final rightStr = text.substring(text.length - mid ~/ 2);
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final display = '$leftStr$ellipsis$rightStr';
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final tp = _buildMessageTp(display, style, maxLines, maxWidth);
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if (tp.didExceedMaxLines) {
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right = mid;
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} else {
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left = mid + 1;
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}
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}
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final leftStr = text.substring(0, left ~/ 2);
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final rightStr = text.substring(text.length - left ~/ 2);
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return '$leftStr$ellipsis$rightStr';
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}
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}
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