time_slot_widget 0.1.1

time slot widget

example/lib/main.dart

import 'dart:math';

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

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

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

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'time slot widget',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'time slot widget'),
    );
  }
}

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

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      // This call to setState tells the Flutter framework that something has
      // changed in this State, which causes it to rerun the build method below
      // so that the display can reflect the updated values. If we changed
      // _counter without calling setState(), then the build method would not be
      // called again, and so nothing would appear to happen.
      _counter++;
    });
  }

  @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(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Container(
        padding: const EdgeInsets.all(16),
        child: ListView.separated(
          itemBuilder: (BuildContext context, int indexFirst) {
            return TimeSlotWidget(
              timeItemBuilder: (int index) {
                int start = 10 + index * max(2, indexFirst + 2);
                int end = start + 1;
                return TimeItemEntity(
                  start: buildDateTime(start),
                  end: buildDateTime(end),
                  fillColor: [Colors.red,Colors.amber,Colors.black][Random().nextInt(3)],
                );
              },
              count: 3,
              timeStyle: TimeStyle(
                height: (50 + indexFirst).toDouble(),
                timeHeight: (24 + indexFirst*2).toDouble(),
                numberTextColor: [Colors.red,Colors.amber,Colors.black][Random().nextInt(3)],
              ),
            );
          },
          separatorBuilder: (BuildContext context, int index) {
            return const SizedBox(height: 10);
          },
          itemCount: 5,
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }

  DateTime buildDateTime(int hour, {int minutes = 0}) {
    DateTime now = DateTime.now();
    return DateTime(now.year, now.month, now.day, hour, minutes, 0);
  }
}