yokutango-mobile-reader/lib/screens/practise/flashcard.dart

import 'package:tangocard_reader/components/flashcard.dart';
import 'package:flutter/material.dart';
import 'package:tangocard_reader/models/data_entry.dart';
import 'package:tangocard_reader/components/navigation_buttons.dart';

class FlashcardPage extends StatefulWidget {
  final YokutangoEntry card;
  final void Function() onNextCard;
  final void Function() onPreviousCard;
  final bool languageFlipped;
  final int? index;

  const FlashcardPage({
    required this.card,
    required this.onNextCard,
    required this.onPreviousCard,
    this.languageFlipped = false,
    this.index,
    Key? key,
  }) : super(key: key);

  @override
  _FlashcardPageState createState() => _FlashcardPageState();
}

class _FlashcardPageState extends State<FlashcardPage> {
  bool isPressed = false;

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: () {
        if (isPressed) {
          widget.onNextCard();
        }

        setState(() {
          isPressed = !isPressed;
        });
      },
      child: Column(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Flashcard(
                card: widget.card,
                cardIndex: widget.index,
                isLeftSide: true,
                languageFlipped: widget.languageFlipped,
              ),
              const SizedBox(width: 40),
              Flashcard(
                card: isPressed ? widget.card : null,
                cardIndex: widget.index,
                languageFlipped: widget.languageFlipped,
              ),
            ],
          ),
          Row(
            children: [
              const Expanded(child: SizedBox()),
              NavigationButtons(
                middleText:
                    widget.index == null ? 'N' : (widget.index! + 1).toString(),
                onNextCard: () => setState(() {
                  isPressed = false;
                  widget.onNextCard();
                }),
                onPreviousCard: () => setState(() {
                  isPressed = false;
                  widget.onPreviousCard();
                }),
              ),
              const Expanded(child: SizedBox()),
            ],
          )
        ],
      ),
    );
  }
}