task_scheduler 0.0.3+2 
task_scheduler: ^0.0.3+2 copied to clipboard
permanentlink.co.zaThe Task Scheduler Widget is a Flutter component designed to display a schedule with customizable time slots and tasks.
import 'dart:developer';
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:task_scheduler/task_scheduler.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: 'Task Scheduler',
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: 'Task Scheduler Demo'),
);
}
}
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> {
// minute intervals
int timeInterval = 30;
// declare the TaskScheduler and TaskScheduleView
late TaskScheduler taskScheduler;
late TaskScheduleView taskScheduleView;
List<String> resources = ['Cedric', 'Yung', 'Moss', 'Matt'];
String selectedItem = 'Custom Header';
final List<String> items = [
'Custom Header',
'Week View',
'Week View With Month'
];
List<ScheduleResourceHeader> taskSchedulerHeader = [];
// declare resource headers
List<ScheduleResourceHeader> headers = [
ScheduleResourceHeader(
id: '1',
title: 'Cedric',
position: 0,
child: Stack(
children: [
Container(
width: 64,
height: 64,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: Colors.red,
width: 2,
),
),
child: const CircleAvatar(
backgroundImage: NetworkImage(
'https://cdn.pixabay.com/photo/2016/11/29/01/44/hands-1866619_640.jpg'), // Replace URL with your image URL
),
),
Positioned(
bottom: 0,
right: 0,
child: Container(
padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.only(topLeft: Radius.circular(12)),
),
child: Text(
'Cedric',
style: TextStyle(color: Colors.white, fontSize: 12),
),
),
),
],
)),
ScheduleResourceHeader(
id: '2',
title: 'Yung',
position: 1,
child: Stack(
children: [
Container(
width: 64,
height: 64,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: Colors.orange,
width: 2,
),
),
child: CircleAvatar(
backgroundImage: NetworkImage(
'https://cdn.pixabay.com/photo/2015/02/17/08/46/face-639139_640.jpg'),
),
),
Positioned(
bottom: 0,
right: 0,
child: Container(
padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.only(topLeft: Radius.circular(12)),
),
child: Text(
'Yung',
style: TextStyle(color: Colors.white, fontSize: 12),
),
),
),
],
)),
ScheduleResourceHeader(
id: '3',
position: 2,
title: 'Moss',
child: Stack(
children: [
Container(
width: 64,
height: 64,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: Colors.green,
width: 2,
),
),
child: const CircleAvatar(
backgroundImage: NetworkImage(
'https://cdn.pixabay.com/photo/2015/09/25/09/49/light-956980_640.jpg'),
),
),
Positioned(
bottom: 0,
right: 0,
child: Container(
padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.only(topLeft: Radius.circular(12)),
),
child: Text(
'Moss',
style: TextStyle(color: Colors.white, fontSize: 12),
),
),
),
],
)),
ScheduleResourceHeader(
id: '4',
position: 3,
title: 'Matt',
child: Stack(
children: [
Container(
width: 64,
height: 64,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: Colors.black,
width: 2,
),
),
child: const CircleAvatar(
backgroundImage: NetworkImage(
'https://cdn.pixabay.com/photo/2017/06/30/15/55/camera-2458579_640.jpg'),
),
),
Positioned(
bottom: 0,
right: 0,
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: const BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.only(topLeft: Radius.circular(12)),
),
child: const Text(
'Matt',
style: TextStyle(color: Colors.white, fontSize: 12),
),
),
),
],
)),
ScheduleResourceHeader(
id: '5',
position: 4,
title: 'Minnieh',
child: Stack(
children: [
Container(
width: 64,
height: 64,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: Colors.black,
width: 2,
),
),
child: CircleAvatar(
backgroundImage: NetworkImage(
'https://cdn.pixabay.com/photo/2020/04/23/19/15/face-5083690_1280.jpg'),
),
),
Positioned(
bottom: 0,
right: 0,
child: Container(
padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.only(topLeft: Radius.circular(12)),
),
child: Text(
'Minnieh',
style: TextStyle(color: Colors.white, fontSize: 12),
),
),
),
],
)),
ScheduleResourceHeader(
id: '6',
position: 5,
title: 'Emon',
child: Stack(
children: [
Container(
width: 64,
height: 64,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: Colors.black,
width: 2,
),
),
child: CircleAvatar(
backgroundImage: NetworkImage(
'https://cdn.pixabay.com/photo/2017/11/26/01/46/valley-2977990_640.jpg'),
),
),
Positioned(
bottom: 0,
right: 0,
child: Container(
padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.only(topLeft: Radius.circular(12)),
),
child: Text(
'Emon',
style: TextStyle(color: Colors.white, fontSize: 12),
),
),
),
],
)),
ScheduleResourceHeader(
id: '7',
position: 6,
title: 'Mpho',
child: Stack(
children: [
Container(
width: 64,
height: 64,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: Colors.black,
width: 2,
),
),
child: CircleAvatar(
backgroundImage: NetworkImage(
'https://cdn.pixabay.com/photo/2017/10/10/16/58/hand-2837954_640.jpg'),
),
),
Positioned(
bottom: 0,
right: 0,
child: Container(
padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.only(topLeft: Radius.circular(12)),
),
child: Text(
'Mpho',
style: TextStyle(color: Colors.white, fontSize: 12),
),
),
),
],
))
];
@override
void initState() {
super.initState();
// declare entries
List<ScheduleEntry> entries = [
ScheduleEntry(
color: Colors.blue,
id: generateId(5),
resource: ResourceScheduleEntry(
index:
0, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 9,
minutes: 60,
),
duration: 60,
options: TaskSchedulerSettings(
isTaskDraggable: true, // false to disable drag
),
onTap: () {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text("Team Meeting"),
backgroundColor: Colors.green,
behavior: SnackBarBehavior.floating));
},
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: const [
Text(
'Team Meeting',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.bold),
),
SizedBox(height: 4.0),
Text(
"Daily team sync-up",
style: TextStyle(fontSize: 12, fontWeight: FontWeight.normal),
),
],
)),
ScheduleEntry(
color: Colors.green,
id: generateId(5),
resource: ResourceScheduleEntry(
index:
0, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 8,
minutes: 30,
),
duration: 30,
options: TaskSchedulerSettings(
isTaskDraggable: true, // false to disable drag
taskResizeMode: {
'allowResize': true,
'onResizeEnd': onResizeEnd,
'onResizeUpdate': onResizeUpdate
},
),
onTap: () {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text("Code Review"),
backgroundColor: Colors.green,
behavior: SnackBarBehavior.floating));
},
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: const [
Text(
'Code Review',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.bold),
),
SizedBox(height: 4.0),
Text(
'Review pull requests',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.normal),
),
],
)),
ScheduleEntry(
color: Colors.pink,
id: generateId(5),
resource: ResourceScheduleEntry(
index:
1, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 8,
minutes: 0,
),
duration: 120,
options: TaskSchedulerSettings(
isTaskDraggable: true, // false to disable drag
),
onTap: () {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text("Client Presentation"),
backgroundColor: Colors.green,
behavior: SnackBarBehavior.floating));
},
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: const [
Text(
'Client Presentation',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.bold),
),
SizedBox(height: 4.0),
Text(
'Update client meeting',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.normal),
),
],
)),
ScheduleEntry(
color: Colors.orange,
id: generateId(5),
resource: ResourceScheduleEntry(
index:
3, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 8,
minutes: 0,
),
duration: 240,
options: TaskSchedulerSettings(
isTaskDraggable: true, // false to disable drag
),
onTap: () {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text("Development Session"),
backgroundColor: Colors.green,
behavior: SnackBarBehavior.floating));
},
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: const [
Text(
'Development Session',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.bold),
),
SizedBox(height: 4.0),
Text(
'Feature development work',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.normal),
),
],
),
),
ScheduleEntry(
color: Colors.yellow,
id: generateId(5),
resource: ResourceScheduleEntry(
index:
5, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 9,
minutes: 0,
),
duration: 60,
options: TaskSchedulerSettings(
isTaskDraggable: true, // false to disable drag
),
onTap: () {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text("Task Scheduler"),
backgroundColor: Colors.green,
behavior: SnackBarBehavior.floating));
},
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: const [
Text(
'Task Scheduler',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.bold),
),
SizedBox(height: 4.0),
Text(
'Bug fixing',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.normal),
),
],
),
),
ScheduleEntry(
color: Colors.yellow,
id: generateId(5),
resource: ResourceScheduleEntry(
index:
2, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 14,
minutes: 0,
),
duration: 60,
options: TaskSchedulerSettings(
isTaskDraggable: true, // false to disable drag
),
onTap: () {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text("Testing and QA"),
backgroundColor: Colors.green,
behavior: SnackBarBehavior.floating));
},
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: const [
Text(
'Testing and QA',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.bold),
),
SizedBox(height: 4.0),
Text(
'Test new features',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.normal),
),
],
),
)
];
List<BlockedEntry> blockedEntries = [
BlockedEntry(
resource: ResourceScheduleEntry(
index:
2, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 8,
minutes: 0,
),
duration: 60),
BlockedEntry(
resource: ResourceScheduleEntry(
index:
2, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 11,
minutes: 0,
),
duration: 120),
BlockedEntry(
resource: ResourceScheduleEntry(
index:
0, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 9,
minutes: 0,
),
duration: 60),
BlockedEntry(
resource: ResourceScheduleEntry(
index:
1, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 10,
minutes: 30,
),
duration: 60),
BlockedEntry(
resource: ResourceScheduleEntry(
index:
5, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 8,
minutes: 30,
),
duration: 240),
BlockedEntry(
title: 'Lunch break',
resource: ResourceScheduleEntry(
index:
0, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 13,
minutes: 0,
),
duration: 30),
BlockedEntry(
title: 'Lunch break',
resource: ResourceScheduleEntry(
index:
1, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 13,
minutes: 0,
),
duration: 30),
BlockedEntry(
title: 'Lunch break',
resource: ResourceScheduleEntry(
index:
2, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 13,
minutes: 0,
),
duration: 30),
BlockedEntry(
title: 'Lunch break',
resource: ResourceScheduleEntry(
index:
3, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 13,
minutes: 0,
),
duration: 30),
BlockedEntry(
title: 'Lunch break',
resource: ResourceScheduleEntry(
index:
4, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 13,
minutes: 0,
),
duration: 30),
BlockedEntry(
title: 'Lunch break',
resource: ResourceScheduleEntry(
index:
5, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 13,
minutes: 0,
),
duration: 30),
BlockedEntry(
title: 'Off',
resource: ResourceScheduleEntry(
index:
6, // uses this index to add entries against resources, i.e. 0 = 1st resource, 1 = 2nd etc
hour: 8,
minutes: 0,
),
duration: 600),
];
// instatiate the TaskScheduleView and pass TaskScheduler
taskScheduleView = TaskScheduleView(
taskScheduler: TaskScheduler(
scheduleStartTime: ScheduleTimeline(hour: 0),
scheduleEndTime: ScheduleTimeline(hour: 24),
onEmptySlotPressed: handleEmptySlotTap,
onDragAccept: handleDrop,
entries: [],
blockedEntries: blockedEntries,
headers: headers,
timeFormat: SchedulerTimeSettings(
minuteInterval: timeInterval,
use24HourFormat: true,
),
));
taskScheduler = taskScheduleView.loadScheduleView(entries: entries);
}
void handleDrop(Map<String, dynamic> data) {
TaskScheduleView view = TaskScheduleView(
taskScheduler: TaskScheduler(
scheduleStartTime: taskScheduler.scheduleStartTime,
scheduleEndTime: taskScheduler.scheduleEndTime,
onEmptySlotPressed: handleEmptySlotTap,
onDragAccept: handleDrop,
entries: taskScheduler.entries,
headers: taskScheduler.headers,
timeFormat: taskScheduler.timeFormat,
));
setState(() {
try {
taskScheduler = view.updateScheduleView(view, data);
} catch (e) {
print(e.toString());
}
});
}
void onResizeEnd(Map<String, dynamic> resizeData) {
// Define the function to handle resize end event
// You can implement the logic here to handle resize end
print('onResizeEnd');
}
void onResizeUpdate(ScheduleEntry entry) {
// Define the function to handle resize update event
// You can implement the logic here to handle resize update
print('onResizeUpdate');
taskScheduleView.onResizeEntry(entry);
}
void _createNewEntry(BuildContext context, Map<String, dynamic> data) {
print(data);
int resourceIndex = data['resource']['index'];
String resourceName = data['resource_title'];
String hour = (data['resource']['hour'] < 10)
? '0${data['resource']['hour']}'
: data['resource']['hour'].toString();
String minutes = (data['resource']['minutes'] < 10)
? '0${data['resource']['minutes']}'
: data['resource']['minutes'].toString();
TextEditingController titleController = TextEditingController();
TextEditingController durationController = TextEditingController();
showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
title: const Text('Create New Entry'),
content: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
TextField(
keyboardType: TextInputType.text,
controller: titleController,
decoration: InputDecoration(hintText: "Enter title"),
),
SizedBox(height: 15),
TextField(
keyboardType: TextInputType.number,
controller: durationController,
decoration: InputDecoration(hintText: "Enter duration"),
),
SizedBox(height: 15),
Text(
"Time: $hour:$minutes\nResource: $resourceName",
style: TextStyle(fontSize: 14),
),
],
),
actions: <Widget>[
TextButton(
child: const Text('Cancel'),
onPressed: () {
Navigator.of(context).pop();
},
),
TextButton(
child: const Text('Create'),
onPressed: () {
String title = titleController.text;
String duration = durationController.text;
Navigator.of(context).pop();
if (title.isNotEmpty && duration.isNotEmpty) {
// create a new task scheduler
TaskScheduler newTaskScheduler = TaskScheduler(
scheduleStartTime: taskScheduler.scheduleStartTime,
scheduleEndTime: taskScheduler.scheduleEndTime,
onEmptySlotPressed: handleEmptySlotTap,
onDragAccept: handleDrop,
entries: taskScheduler.entries,
headers: taskScheduler.headers,
timeFormat: taskScheduler.timeFormat,
);
List<Color> colors = [
Colors.purple,
Colors.blue,
Colors.green,
Colors.orange,
Colors.lime,
Colors.cyan,
Colors.grey
];
ScheduleEntry newEntry = ScheduleEntry(
color: colors[Random().nextInt(colors.length)],
id: generateId(5),
resource: ResourceScheduleEntry(
index: resourceIndex,
hour: int.parse(hour),
minutes: int.parse(minutes),
),
duration: int.parse(duration),
options: TaskSchedulerSettings(
isTaskDraggable: true, // false to disable drag
),
onTap: () {
print('clicked');
// implement onTap logic
},
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
title,
style: TextStyle(
fontSize: 14, fontWeight: FontWeight.bold),
),
SizedBox(height: 4.0),
Text(
'08:00 AM - 10:00 AM',
style: TextStyle(
fontSize: 12, fontWeight: FontWeight.normal),
),
],
),
);
// check that the resource slot is available
if (taskScheduleView.isResourceSlotAvailable(newEntry)) {
// slot is available, add entry
newTaskScheduler.entries?.add(newEntry);
} else {
// slot not available
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text("Error: Slot not Available."),
backgroundColor: Colors.red,
behavior: SnackBarBehavior.floating));
}
setState(() {
taskScheduler = newTaskScheduler;
});
}
},
),
],
);
},
);
}
String generateId(int length) {
const charset =
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
Random random = Random();
return List.generate(
length, (index) => charset[random.nextInt(charset.length)]).join();
}
void handleEmptySlotTap(Map<String, dynamic> data) {
// Handle the returned data here
_createNewEntry(context, data);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: Column(
children: <Widget>[
Padding(
padding:
const EdgeInsets.all(16.0), // Add padding around the dropdown
child: Row(
mainAxisSize:
MainAxisSize.min, // Make the row as wide as its content
children: <Widget>[
Text(
'Select Header:',
style: TextStyle(fontSize: 16),
),
SizedBox(width: 10), // Align the dropdown to the left
DropdownButton<String>(
focusColor: Colors.white,
value: selectedItem,
onChanged: (String? newValue) {
if (newValue == 'Custom Header') {
taskSchedulerHeader = headers;
inspect(taskSchedulerHeader);
}
if (newValue == 'Week View') {
taskSchedulerHeader = CalendarView.weekView();
}
if (newValue == 'Week View With Month') {
taskSchedulerHeader =
CalendarView.weekViewWithMonth();
}
TaskScheduler newTaskScheduler = TaskScheduler(
scheduleStartTime: taskScheduler.scheduleStartTime,
scheduleEndTime: taskScheduler.scheduleEndTime,
onEmptySlotPressed: handleEmptySlotTap,
onDragAccept: handleDrop,
entries: taskScheduler.entries,
headers: taskSchedulerHeader,
timeFormat: taskScheduler.timeFormat,
);
setState(() {
selectedItem = newValue!;
taskScheduler = newTaskScheduler;
});
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Showing $selectedItem')),
);
},
items:
items.map<DropdownMenuItem<String>>((String value) {
return DropdownMenuItem<String>(
value: value,
child: Text(value),
);
}).toList(),
),
]),
),
const SizedBox(height: 20),
Expanded(
child: Center(child: taskScheduler),
),
],
));
}
}Metadata
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Metadata
The Task Scheduler Widget is a Flutter component designed to display a schedule with customizable time slots and tasks.
Repository (GitHub)
View/report issues
Documentation
License
MIT (license)
