stack_wallet/lib/widgets/custom_buttons/blue_text_button.dart

import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:stackwallet/providers/ui/color_theme_provider.dart';
import 'package:stackwallet/utilities/text_styles.dart';
import 'package:stackwallet/utilities/theme/stack_colors.dart';
import 'package:stackwallet/utilities/util.dart';
import 'package:stackwallet/widgets/conditional_parent.dart';
import 'package:stackwallet/widgets/rounded_container.dart';

class BlueTextButton extends ConsumerStatefulWidget {
  const BlueTextButton({
    Key? key,
    required this.text,
    this.onTap,
    this.enabled = true,
    this.textSize,
  }) : super(key: key);

  final String text;
  final VoidCallback? onTap;
  final bool enabled;
  final double? textSize;

  @override
  ConsumerState<BlueTextButton> createState() => _BlueTextButtonState();
}

class _BlueTextButtonState extends ConsumerState<BlueTextButton>
    with SingleTickerProviderStateMixin {
  AnimationController? controller;
  Animation<dynamic>? animation;
  late Color color;

  bool _hovering = false;

  @override
  void initState() {
    if (widget.enabled) {
      color = ref.read(colorThemeProvider.state).state.buttonTextBorderless;
      controller = AnimationController(
        vsync: this,
        duration: const Duration(milliseconds: 100),
      );
      animation = ColorTween(
        begin: ref.read(colorThemeProvider.state).state.buttonTextBorderless,
        end: ref
            .read(colorThemeProvider.state)
            .state
            .buttonTextBorderless
            .withOpacity(0.4),
      ).animate(controller!);

      animation!.addListener(() {
        setState(() {
          color = animation!.value as Color;
        });
      });
    } else {
      color = ref.read(colorThemeProvider.state).state.textSubtitle1;
    }

    super.initState();
  }

  @override
  void dispose() {
    controller?.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return ConditionalParent(
      condition: Util.isDesktop,
      builder: (child) {
        return MouseRegion(
          cursor: SystemMouseCursors.click,
          onEnter: (_) => setState(() => _hovering = true),
          onExit: (_) => setState(() => _hovering = false),
          child: GestureDetector(
            onTap: widget.onTap,
            child: RoundedContainer(
              radiusMultiplier: 20,
              padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 10),
              color: Theme.of(context)
                  .extension<StackColors>()!
                  .highlight
                  .withOpacity(_hovering ? 0.3 : 0),
              child: child,
            ),
          ),
        );
      },
      child: RichText(
        textAlign: TextAlign.center,
        text: TextSpan(
          text: widget.text,
          style: widget.textSize == null
              ? STextStyles.link2(context).copyWith(
                  color: color,
                )
              : STextStyles.link2(context).copyWith(
                  color: color,
                  fontSize: widget.textSize,
                ),
          recognizer: widget.enabled
              ? (TapGestureRecognizer()
                ..onTap = () {
                  widget.onTap?.call();
                  controller?.forward().then((value) => controller?.reverse());
                })
              : null,
        ),
      ),
    );
  }
}