parameter_painter.dart

import 'dart:math';

import 'package:flutter/material.dart';

import 'package:momomotus/config/default_game_settings.dart';
import 'package:momomotus/models/settings/settings_game.dart';
import 'package:momomotus/models/settings/settings_global.dart';
import 'package:momomotus/utils/tools.dart';

class ParameterPainter extends CustomPainter {
  const ParameterPainter({
    required this.code,
    required this.value,
    required this.isSelected,
    required this.gameSettings,
    required this.globalSettings,
  });

  final String code;
  final String value;
  final bool isSelected;
  final GameSettings gameSettings;
  final GlobalSettings globalSettings;

  @override
  void paint(Canvas canvas, Size size) {
    // force square
    final double canvasSize = min(size.width, size.height);

    const Color borderColorEnabled = Colors.blue;
    const Color borderColorDisabled = Colors.white;

    // "enabled/disabled" border
    final paint = Paint();
    paint.style = PaintingStyle.stroke;
    paint.color = isSelected ? borderColorEnabled : borderColorDisabled;
    paint.strokeJoin = StrokeJoin.round;
    paint.strokeWidth = 10;
    canvas.drawRect(
        Rect.fromPoints(const Offset(0, 0), Offset(canvasSize, canvasSize)), paint);

    // content
    switch (code) {
      case DefaultGameSettings.parameterCodeLang:
        paintLangParameterItem(value, canvas, canvasSize);
        break;
      case DefaultGameSettings.parameterCodeLength:
        paintLengthParameterItem(value, canvas, canvasSize);
        break;
      case DefaultGameSettings.parameterCodeLevel:
        paintLevelParameterItem(value, canvas, canvasSize);
        break;
      default:
        printlog('Unknown parameter: $code/$value');
        paintUnknownParameterItem(value, canvas, canvasSize);
    }
  }

  @override
  bool shouldRepaint(CustomPainter oldDelegate) {
    return false;
  }

  // "unknown" parameter -> simple block with text
  void paintUnknownParameterItem(
    final String value,
    final Canvas canvas,
    final double size,
  ) {
    final paint = Paint();