flow_compose 0.0.1

flow chart for flutter (FOR FUN).

example/lib/main.dart

import 'package:flow_compose/flow_compose.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});
  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final controller = BoardController(
      initialState:
          BoardState<BaseNode, Edge>(data: BaseNode.fake(), edges: []));
  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      body: InfiniteDrawingBoard(
        controller: controller,
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () => controller.reCenter(),
        tooltip: 're center',
        child: const Icon(Icons.center_focus_strong),
      ),
    );
  }
}