lazy_data_viewer 1.0.1

lazy_data_viewer: ^1.0.1 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:lazy_data_viewer/config/lazy_data_config.dart';
import 'package:lazy_data_viewer/lazy_data_viewer.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: 'Lazy data viewer Demo'),
    );
  }
}

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

  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  LazyDataController controller = LazyDataController();
  dynamic json;

  updateJson() {
    json = {
      'null': null,
      'int': 123,
      'double': 123.456,
      'boolTrue': true,
      "name": "John",
      "age": 30,
      "emptyObject": {},
      'emptyArray': [],
      "cars": [
        {"model": "Ford", "year": 2010},
        {"model": "BMW", "year": 2015},
        {
          "model": "Fiat",
          "year": 2018,
          "motors": [
            {"model": "Ford", "year": 2010},
            {"model": "BMW", "year": 2015},
            {"key": "4", "year": 1018}
          ]
        }
      ],
      'nativeArray': [
        'first',
        'second',
        'third',
      ],
      "address": {"street": "123 Main St", "city": "New York", "zip": "10001"}
    };
    return json;
  }

  @override
  void initState() {
    super.initState();
    controller.stream.listen(
      (event) {
        if (event is int) {
          setState(() {});
        }
      },
    );
    controller.setData(updateJson());
  }

  @override
  Widget build(BuildContext context) {
    updateJson();
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          Expanded(
              child: LazyDataViewer(
            controller: controller,
            configs: const LazyDataConfigs(
              maxValueWidth: 200,
            ),
          )),
          Row(
            children: [
              Text('Parser time:${controller.parseTime.toString()}'),
              Expanded(
                child: Column(
                  children: [
                    TextButton(
                        onPressed: () {
                          controller.setData(json, isForceUpdate: true);
                        },
                        child: const Text('Update')),
                  ],
                ),
              ),
            ],
          )
        ],
      ),
    );
  }
}