98 lines
3.3 KiB
Dart
98 lines
3.3 KiB
Dart
// 贴纸选择底部面板
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//
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// Phase 1 使用内置 emoji 贴纸（6 类 60 个），后续替换为贴纸包资源。
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// 分类：心情/动物/自然/食物/学校/装饰
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import 'package:flutter/material.dart';
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/// 贴纸选择底部面板
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class StickerPickerSheet extends StatelessWidget {
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final void Function(String emoji) onStickerSelected;
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const StickerPickerSheet({
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super.key,
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required this.onStickerSelected,
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});
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// Phase 1 内置贴纸集
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static const _stickerCategories = <String, List<String>>{
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'心情': ['😊', '😢', '😡', '🤔', '😐', '🥰', '😋', '🤗', '😴', '🎉'],
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'动物': ['🐱', '🐶', '🐰', '🐻', '🦊', '🐼', '🐨', '🦄', '🐸', '🦋'],
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'自然': ['🌸', '🌺', '🌻', '🍀', '🌈', '⭐', '🌙', '☀️', '❄️', '🍃'],
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'食物': ['🍰', '🍩', '🍦', '🍓', '🍎', '🧁', '🍪', '🍕', '🍔', '🥤'],
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'学校': ['📚', '✏️', '🎨', '📝', '📐', '🎒', '🏆', '📖', '💡', '🔔'],
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'装饰': ['💕', '✨', '🎀', '🎵', '🎶', '💫', '🦋', '🌸', '🍀', '💎'],
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};
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@override
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Widget build(BuildContext context) {
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return Container(
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height: 320,
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.surface,
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borderRadius: const BorderRadius.vertical(top: Radius.circular(22)),
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),
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child: Column(
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children: [
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// 拖拽条
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Center(
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child: Container(
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margin: const EdgeInsets.symmetric(vertical: 8),
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width: 40,
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height: 4,
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decoration: BoxDecoration(
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color: Colors.grey.shade300,
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borderRadius: BorderRadius.circular(2),
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),
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),
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),
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// 分类标签
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SizedBox(
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height: 40,
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child: ListView(
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scrollDirection: Axis.horizontal,
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padding: const EdgeInsets.symmetric(horizontal: 16),
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children: _stickerCategories.keys.map((category) {
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return Padding(
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padding: const EdgeInsets.only(right: 8),
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child: Chip(
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label: Text(category, style: const TextStyle(fontSize: 13)),
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visualDensity: VisualDensity.compact,
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),
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);
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}).toList(),
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),
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),
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const Divider(height: 1),
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// 贴纸网格
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Expanded(
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child: GridView.count(
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crossAxisCount: 5,
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padding: const EdgeInsets.all(16),
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mainAxisSpacing: 8,
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crossAxisSpacing: 8,
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children: _stickerCategories.values
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.expand((list) => list)
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.map((emoji) {
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return InkWell(
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onTap: () {
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onStickerSelected(emoji);
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Navigator.pop(context);
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},
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borderRadius: BorderRadius.circular(8),
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child: Center(
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child: Text(
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emoji,
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style: const TextStyle(fontSize: 32),
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),
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),
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);
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}).toList(),
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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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