import 'package:flutter/material.dart'; import 'package:toggle_switch/toggle_switch.dart'; Widget formLabelText({required String labelText, bool isRequired = false}) { return Text.rich( TextSpan( children: [ if (isRequired) const TextSpan(text: '* ', style: TextStyle(color: Colors.red)), TextSpan(text: labelText), ], ), ); } InputDecoration formInputDecoration({ required String hintText, IconData? prefixIcon, }) { return InputDecoration( hintText: hintText, hintStyle: TextStyle(color: Colors.grey), filled: true, fillColor: Colors.white, border: OutlineInputBorder(), prefixIcon: prefixIcon != null ? Icon(prefixIcon) : null, ); } Widget buildToggleSwitch({ required BuildContext context, required T currentTab, required List tabValues, required List labels, required ValueChanged onTabChanged, }) { final colors = Theme.of(context).colorScheme; return ToggleSwitch( minWidth: 90.0, minHeight: 40.0, initialLabelIndex: tabValues.indexOf(currentTab), totalSwitches: tabValues.length, labels: labels, activeBgColor: [colors.primary], activeFgColor: Colors.white, inactiveBgColor: colors.surfaceContainer, inactiveFgColor: colors.onSurface, cornerRadius: 12.0, customTextStyles: [TextStyle(fontSize: 12, fontWeight: FontWeight.w500)], onToggle: (index) { if (index != null && index < tabValues.length) { onTabChanged(tabValues[index]); } }, ); } /// 圆形图标按钮 Widget circleIconButton({ required IconData icon, required VoidCallback onPressed, required BuildContext context, bool? isSmall, }) { final double size = isSmall == true ? 24 : 36; return ElevatedButton( onPressed: onPressed, style: ElevatedButton.styleFrom( fixedSize: Size(size, size), shape: CircleBorder(), elevation: 0, backgroundColor: Theme.of(context).colorScheme.primary, padding: EdgeInsets.zero, minimumSize: const Size(0, 0), ), child: Icon(icon, color: Colors.white), ); } Widget buildTag(BuildContext context, String title) { final colors = Theme.of(context).colorScheme; return Container( padding: EdgeInsets.symmetric(horizontal: 10, vertical: 4), decoration: BoxDecoration( color: colors.primary.withAlpha(60), borderRadius: BorderRadius.circular(10), ), child: Text(title, style: TextStyle(color: colors.primary)), ); } /// 确认按钮样式 ButtonStyle primaryButtonStyle() { return ButtonStyle( backgroundColor: WidgetStateProperty.all(Colors.green), shape: WidgetStateProperty.all( RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)), ), ); } /// 取消按钮样式 ButtonStyle cancelButtonStyle() { return ButtonStyle( backgroundColor: WidgetStateProperty.all(Colors.grey), shape: WidgetStateProperty.all( RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)), ), ); } Text buttonText({required String text}) { return Text(text, style: TextStyle(color: Colors.white)); } /// 图片错误显示 Widget errorImageContainer(double height) { return Container( height: 200, width: double.infinity, color: Colors.grey[200], child: const Icon(Icons.image, color: Colors.grey, size: 30), ); }