apskel-pos-flutter/lib/core/components/buttons.dart

import 'package:flutter/material.dart';

import '../constants/colors.dart';

enum ButtonStyle { filled, outlined }

class Button extends StatelessWidget {
  const Button.filled({
    super.key,
    required this.onPressed,
    required this.label,
    this.style = ButtonStyle.filled,
    this.color = AppColors.primary,
    this.textColor = Colors.white,
    this.width,
    this.height = 50.0,
    this.borderRadius = 16.0,
    this.icon,
    this.disabled = false,
    this.fontSize = 16.0,
    this.elevation,
    this.labelStyle,
    this.mainAxisAlignment = MainAxisAlignment.center,
    this.crossAxisAlignment = CrossAxisAlignment.center,
  });

  const Button.outlined({
    super.key,
    required this.onPressed,
    required this.label,
    this.style = ButtonStyle.outlined,
    this.color = Colors.transparent,
    this.textColor = AppColors.primary,
    this.width,
    this.height = 50.0,
    this.borderRadius = 16.0,
    this.icon,
    this.disabled = false,
    this.fontSize = 16.0,
    this.elevation,
    this.labelStyle,
    this.mainAxisAlignment = MainAxisAlignment.center,
    this.crossAxisAlignment = CrossAxisAlignment.center,
  });

  final Function()? onPressed;
  final String label;
  final ButtonStyle style;
  final Color color;
  final Color textColor;
  final double? width;
  final double height;
  final double borderRadius;
  final double? elevation;
  final Widget? icon;
  final bool disabled;
  final double fontSize;
  final TextStyle? labelStyle;
  final MainAxisAlignment mainAxisAlignment;
  final CrossAxisAlignment crossAxisAlignment;

  @override
  Widget build(BuildContext context) {
    return SizedBox(
      height: height,
      width: width,
      child: style == ButtonStyle.filled
          ? ElevatedButton(
              onPressed: disabled ? null : onPressed,
              style: ElevatedButton.styleFrom(
                backgroundColor: color,
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(borderRadius),
                ),
                elevation: elevation,
                padding: const EdgeInsets.symmetric(horizontal: 16.0),
              ),
              child: Row(
                mainAxisAlignment: mainAxisAlignment,
                crossAxisAlignment: crossAxisAlignment,
                children: [
                  icon ?? const SizedBox.shrink(),
                  if (icon != null) const SizedBox(width: 10.0),
                  Flexible(
                    child: FittedBox(
                      fit: BoxFit.scaleDown,
                      child: Text(
                        label,
                        style: labelStyle ??
                            TextStyle(
                              color: disabled ? Colors.grey : textColor,
                              fontSize: fontSize,
                              fontWeight: FontWeight.bold,
                            ),
                        textAlign: TextAlign.center,
                      ),
                    ),
                  ),
                ],
              ),
            )
          : OutlinedButton(
              onPressed: disabled ? null : onPressed,
              style: OutlinedButton.styleFrom(
                backgroundColor: color,
                side: const BorderSide(color: AppColors.primary),
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(borderRadius),
                ),
                padding: const EdgeInsets.symmetric(horizontal: 16.0),
              ),
              child: Row(
                mainAxisAlignment: mainAxisAlignment,
                crossAxisAlignment: crossAxisAlignment,
                mainAxisSize: MainAxisSize.min,
                children: [
                  icon ?? const SizedBox.shrink(),
                  if (icon != null) const SizedBox(width: 10.0),
                  Flexible(
                    child: FittedBox(
                      fit: BoxFit.scaleDown,
                      child: Text(
                        label,
                        style: labelStyle ??
                            TextStyle(
                              color: disabled ? Colors.grey : textColor,
                              fontSize: fontSize,
                              fontWeight: FontWeight.w600,
                            ),
                        textAlign: TextAlign.center,
                      ),
                    ),
                  ),
                ],
              ),
            ),
    );
  }
}