sion123
a7bec4cfde
- 引入 "The Kinetic Vault"（深色）和 "The Ethereal Terminal"（浅色）双主题系统 - 重构颜色方案，使用层次化 surface 容器替代边框，遵循无边框设计规则 - 添加渐变预设（CTA、买入/卖出、资产卡片）和渐变按钮组件 - 更新圆角系统，明确按钮、卡片、输入框和标签的圆角规范 - 统一文本样式系统，使用 Space Grotesk（标题）和 Manrope（正文）字体 - 更新现有组件（AssetCard、CoinCard、TradeButton）以遵循新设计规范 - 添加向后兼容的已废弃常量，确保现有代码正常运行
142 lines
3.7 KiB
Dart
142 lines
3.7 KiB
Dart
import 'package:flutter/material.dart';
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import '../../core/theme/app_color_scheme.dart';
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import '../../core/theme/app_spacing.dart';
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/// 交易按钮组件 - 买入/卖出按钮
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///
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/// 设计规则：
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/// - 渐变按钮: 135度渐变
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/// - 圆角: xxl (24px / 1.5rem)
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/// - 买入: 翡翠绿渐变
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/// - 卖出: 红色渐变
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class TradeButton extends StatelessWidget {
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final bool isBuy;
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final String? coinCode;
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final VoidCallback? onPressed;
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final bool isLoading;
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final bool fullWidth;
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const TradeButton({
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super.key,
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this.isBuy = true,
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this.coinCode,
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this.onPressed,
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this.isLoading = false,
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this.fullWidth = false,
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});
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/// 买入按钮
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const TradeButton.buy({
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super.key,
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this.coinCode,
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this.onPressed,
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this.isLoading = false,
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this.fullWidth = false,
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}) : isBuy = true;
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/// 卖出按钮
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const TradeButton.sell({
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super.key,
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this.coinCode,
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this.onPressed,
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this.isLoading = false,
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this.fullWidth = false,
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}) : isBuy = false;
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@override
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Widget build(BuildContext context) {
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final gradient = isBuy ? AppColorScheme.buyGradient : AppColorScheme.sellGradient;
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final text = isBuy
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? '买入${coinCode != null ? ' $coinCode' : ''}'
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: '卖出${coinCode != null ? ' $coinCode' : ''}';
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return Container(
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width: fullWidth ? double.infinity : null,
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height: 48,
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decoration: BoxDecoration(
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gradient: gradient,
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borderRadius: BorderRadius.circular(AppRadius.xxl),
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),
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child: Material(
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color: Colors.transparent,
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child: InkWell(
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onTap: isLoading ? null : onPressed,
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borderRadius: BorderRadius.circular(AppRadius.xxl),
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child: Center(
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child: Row(
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mainAxisSize: fullWidth ? MainAxisSize.max : MainAxisSize.min,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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if (isLoading)
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const SizedBox.square(
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dimension: 16,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Colors.white,
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),
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)
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else
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Icon(
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isBuy ? Icons.arrow_downward_rounded : Icons.arrow_upward_rounded,
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size: 18,
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color: Colors.white,
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),
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const SizedBox(width: 8),
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Text(
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text,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 16,
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fontWeight: FontWeight.w600,
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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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),
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);
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}
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}
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/// 交易按钮组 - 同时显示买入和卖出按钮
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class TradeButtonGroup extends StatelessWidget {
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final String? coinCode;
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final VoidCallback? onBuyPressed;
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final VoidCallback? onSellPressed;
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final bool isBuyLoading;
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final bool isSellLoading;
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const TradeButtonGroup({
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super.key,
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this.coinCode,
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this.onBuyPressed,
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this.onSellPressed,
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this.isBuyLoading = false,
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this.isSellLoading = false,
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});
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@override
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Widget build(BuildContext context) {
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return Row(
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children: [
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Expanded(
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child: TradeButton.buy(
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coinCode: coinCode,
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onPressed: onBuyPressed,
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isLoading: isBuyLoading,
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),
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),
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const SizedBox(width: AppSpacing.sm),
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Expanded(
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child: TradeButton.sell(
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coinCode: coinCode,
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onPressed: onSellPressed,
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isLoading: isSellLoading,
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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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