flutter.snippets

# A valid snippet should starts with:
#
#		snippet trigger_word [ "description" [ options ] ]
#
# and end with:
#
#		endsnippet
#
# Snippet options:
#
#		b - Beginning of line.
#		i - In-word expansion.
#		w - Word boundary.
#		r - Regular expression
#		e - Custom context snippet
#		A - Snippet will be triggered automatically, when condition matches.
#
# Basic example:
#
#		snippet emitter "emitter properties" b
#		private readonly ${1} = new Emitter<$2>()
#		public readonly ${1/^_(.*)/$1/}: Event<$2> = this.$1.event
#		endsnippet
#
# Online reference: https://github.com/SirVer/ultisnips/blob/master/doc/UltiSnips.txt
global !p
from dartlang_snippets import ensure_import
endglobal

snippet stlss "Create stateless widget" b
class ${1:name} extends StatelessWidget {
	const ${1:name}({Key? key}) : super(key: key); 

	@override
	Widget build(BuildContext context){
		return Container();
	}
}
endsnippet

snippet stful "Create a stateful widget" b
class ${1:name} extends StatefulWidget {	
	${1:name}({Key? key}) : super (Key : key);
	
	@override
	_${1:WidgetName}State createState() => _${1:WidgetName}State();
}

class _${1:index}State extends State<${1:index}>{
	@override 
	Widget build(BuildContext context){
		return Container();
	}
}
endsnippet

snippet build "part of the ui represented by this widget" b
@override
Widget build(BuildContext context){
	return ${0:};
}

endsnippet

snippet customPainter "Used for creating custom paint" b
class ${0:name}Painter extends CustomPainter {
	@override 
	void paint(Canvas canvas, Size size){
	}
	@override 
	bool shouldRepaint(${0:name}Painter oldDelegate) => false;
	@override
	bool shouldRebuildSemantics(${0:name})=>false;
}
endsnippet

snippet customClipper "Used for creating custom shapes" b
class ${0:name}Clippes extends CustomClipper<Path> {
	@override 
	Path getClip(Size size){
	}
	@override 
	bool shouldReclip(CustomClipper<Path> oldClipper)=> false;
}
endsnippet

snippet initS "Called when this object is inserted into the tree. The framework will call this method exacly once for each State object it creates" b
@override
void initState(){
	super.initState();
	${0:}
}
endsnippet

snippet dis "Called when this object is removed from the tree permanently. The framework calls this method when this State objec will never build again." b
@override
void dispose(){
	${0:}
	super.dispose();
}
endsnippet

snippet reassemble "Called whenever the application is reassembled during debbugin, for example during hot reload" b
@override 
void reasssemble(){	
	super.reassemble();
	${0:}
}
endsnippet

snippet didChangeD "Caleed when a dependency of this State object changes" b
@override 
void didChangeDependencies(){
	super.didChangeDependencies();
	${0:}
}
endsnippet

snippet didUpdateW "Called whenever the widget configuration changes" b
@override 
void didUpdateWidget(${1:Type} ${2:oldWidget}){
	super.didUpdateWidge(${2:oldWidget});
	${0:}
}
endsnippet

snippet listViewB "Create a scrollable linear array of widgets" b
ListView.builder(
	itemCount: {1:1},
	itemBuilder: (BuildContext context, int index){
		return ${2:};
	},
),
endsnippet

snippet listViewS "Creates a fixed-length scrollable linear array of list items separeted by separators items" b
ListView.separated(
	itemCount: ${1:1},
	separatorBuilder: (BuildContext context, int index){
		return ${2:};
	},
	itemBuilder: (BuildContext context, int index){
		return ${3:};
	},
),
endsnippet

snippet gridView "Creates a scrollable, 2D array of widgets that are created on demand." b
GridView.builder(
	gridDelegate: const SilverGridDelegateWithFixedCrossAxisCount(
		crossAxisCount: ${1:2},
	),
	itemCount: ${2:2},
	itemBuilder: (BuildContext context, int index){
		return ${3:};
	},
),
endsnippet

snippet gridViewC "Creates a scrollable 2D array with fixed number of tiles in the cross axis" b
GridView.count(
	crossAxisSpacing: ${1:1},
	mainAxisAlignment: ${2:2},
	crossAxisAlignment: ${3:2},
	children: <Widget>[
		${4:}
	],
),
endsnippet
snippet gridViewE "Creates a scrollable, 2D array of widgets with tiles that each have a maximem cross-axit extent." b
GridView.extent(
	maxCrossAxisExtent: ${1:2},
	children: <Widget>[
		${2:},
	],
),
endsnippet
snippet customScrollV "Craetes a ScrollView that creates custom scroll, effects using slivers. If the primary argument is true, the controller must be null." b
CustomScrollView(
	slivers: <Widget> [
		${0:}
	],
),
endsnippet
snippet streamBldr "Description" b
StreamBuilder(
	stream: ${1:stream},
	initialData: ${2:initialData},
	builder: (BuildContext context, AsyncSnapshot snapshot){
		return Container(
			child: ${3:child},
		);
	},
),
endsnippet
snippet animatedBldr "Creates an Animated builder. The widget specified to child is passed to the builder" b
AnimatedBuilder(
	animation: ${1:animation},
	child: ${2:child},
	builder: (BuildContext context){
		return ${3:};
	},
),
endsnippet
snippet stateBldr "Creates a widget that both has state and delegates its build to a callback. Useful for rebuilding specific sections of the widget tree" b
StatefulBuilder(
	builder: (BuildContext context, setState){
		return ${0:};
	},
),
endsnippet
snippet orientationBldr "Creates a builder which allows for the orientation of the device to be specified and referencend" b
OrientationBuilder(
	builder: (BuildContext context, Orientation orientation){
		return Container(
			child: ${3:child},
		);
	},
),
endsnippet
snippet layoutBldr "Similar to the builder widget except that the framework calls the builder function at layout time and provides the parent widget's constrains" b
LayoutBuilder(
	builder: (BuildContext context, BoxConstrains constrains){
		return ${0:};
	},
),
endsnippet
snippet singleChildS "Creates a scroll view with a single child" b
SingleChildScrollView(
	controller: ${1:controller},
	child: Colum(
		${0:},
	),
),
endsnippet
snippet futureBldr "Creates a future builder. This builts itself based on the latest snapshot of interaction with a Future" b
FutureBuilder(
	future: ${1:future},
	initialData: ${2:initialData},
	builder:(BuildContext context, AsyncSnapshot snapshot){
		return ${3:};
	},
),
endsnippet
snippet nosm "This method is invoked when a non-existent menthod or property is accessed" b
@override
dynamic noSuchMethod (Invocation invocation){
	${1:},
}
endsnippet
snippet inheritedW "Class used to propagate information down the widget tree" b
class ${1:name} extends InheritedWidget {
	${1:name}({Key? key, required this.child}) : super(key:key, child:child);
	
	final Widget child;

	static ${1:name}? of(BuildContext context){
		return context.dependOnInheritedWidgetOfExactType<${1:name}>();
	}
}
@override
bool updateShouldNotify(${1:Name} oldWidget){
	return ${2:true};
}
endsnippet
snippet mounted "Wheter this state object is currently in a tree" b
@override
bool get mounted{
	${0:}
}
endsnippet
snippet snk "A sink is the input of a stream" b
Sink<${1:type}> get ${2:name} => _${2:name}Controller.sink;
final _${2:name}Controller =  StreamController<${1:type}>(); 
endsnippet
snippet stm "A source of asynchronous dada events. A stream can be any data type <T>" b
Stream<${1:type}> get ${2:name} => _${2:name}Controller.stream;
final _${2:name}Controller = StreamController<${1:type}>();
endsnippet
snippet subj "A behaviorSubject is also a broadcast StreamContoller which returns an observable rather than a Stream" b
Stream<${1:type}> get ${2:name} => _${2:name}Subject.stream;
final _${2:name}Subject = BehaviorSubjec<${1:type}>;
endsnippet
snippet toStr "Returnr a string representation of this object." b
@override 
String toString(){
	return ${1:toString};
}
endsnippet
snippet debugP "Prints a message to the console, which you can access using the flutter tool's logs commnad" b
debugPrint(${1:statement});
endsnippet
snippet importDefault "Import a default flutter import" b
import '${1:}';
endsnippet
snippet mateapp "A default Material App template" b
import 'package:flutter/material.dart';

void main() => runApp(MaterialApp(
		title: ${1:Title},
		home: ${2:Home},
		theme: ThemeData(),
	)
);
endsnippet
snippet cupeapp "Crater a default Cuppertino app template" b
import 'package:flutter/cupertino.dart';

void main()=> runApp(CupertinoApp(
		title: ${1:title},
		home: CupertinoScaffold(
			${2:},
		),
	)
);
endsnippet
snippet tweenAnimationBuilder "Widget builder that animeates a property of a widget to a target value whenecer the target value changes" b
TweenAnimationBuilder(
	duration: ${1:const Duration(),},
	tween: ${2:Tween(),},
	builder: (BuildContext context, ${3:dynamic} value, Widget? child){
		return ${4:Container();};
	},
),
endsnippet
snippet valueListenableBuilder "The text is exceeded" b
ValueListenableBuilder(
	valueListenable: ${1: null},
	builder:(BuildContext context, ${2:dynamic} value, Widget? child){
		return ${3:Container};
	},
),
endsnippet
snippet f-test "Create a test function" b
test(
	\ ${1:test description} \
	(){},
);
endsnippet
snippet widgetTest "Create a testWidget function haha" b
testWidget(
	\ ${1: test description} \
	(WidgetTester tester) async {},
);
endsnippet