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lab 4 done

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Леонид Малафеев 2024-10-29 12:54:09 +04:00
parent 323681f358
commit 904649bae7
8 changed files with 377 additions and 248 deletions
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lib/main.dart
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@ -1,4 +1,6 @@
import 'package:flutter/material.dart';
import 'package:pmu_malafeev_pi31/presentation/pages/homepage.dart';
import 'package:pmu_malafeev_pi31/presentation/classes/skin.dart';
void main() {
runApp(const MyApp());
@ -20,252 +22,4 @@ class MyApp extends StatelessWidget {
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
title: Text(widget.title),
),
body: const MyWidget(),
);
}
}
final List<FortniteSkin> skins = [
FortniteSkin(
imageUrl: 'assets/images/shark.png',
name: 'Safety First Steve',
description: 'Dont make him blow the whistle.!',
rarity: Rarity.epic,
),
FortniteSkin(
imageUrl: 'assets/images/raven.png',
name: 'Raven',
description: 'Brooding master of dark skies.',
rarity: Rarity.legendary,
),
];
class MyWidget extends StatelessWidget{
const MyWidget({super.key});
@override
Widget build(BuildContext context) {
return Center(
child: SingleChildScrollView(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
for (var skin in skins)
_Card(
name: skin.name,
description: skin.description,
imageUrl: skin.imageUrl,
),
],
),
),
);
}
}
class _Card extends StatefulWidget {
final String name;
final String imageUrl;
final String description;
const _Card({
required this.name,
required this.description,
required this.imageUrl,
});
@override
State<_Card> createState() => _CardState();
}
class _CardState extends State<_Card> {
bool isLiked = false;
@override
Widget build(BuildContext context) {
return Container(
margin: const EdgeInsets.all(16),
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.greenAccent,
borderRadius: BorderRadius.circular(15),
border: Border.all(
color: Colors.black,
width: 3,
)
),
child: IntrinsicHeight(
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
ClipRRect(
borderRadius: const BorderRadius.only(
bottomLeft: Radius.circular(20),
bottomRight: Radius.circular(20)
),
child: SizedBox(
height: double.infinity,
width: 120,
child: Image.asset(
widget.imageUrl,
fit: BoxFit.cover,
errorBuilder: (_,__,___) => const Placeholder(),
),
),
),
Expanded(
child: Padding(
padding: const EdgeInsets.only(left: 16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
widget.name,
style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
Text(
widget.description,
style: const TextStyle(fontSize: 15),
)
],
),
),
),
//const Spacer(), да не умер он в конце драйва
Align(
alignment: Alignment.bottomRight,
child: (
Padding(
padding: const EdgeInsets.only(left: 8.0),
child: GestureDetector
(
onTap: () {
setState(() {
isLiked = !isLiked;
/**/ });
},
child: Icon(
isLiked ? Icons.favorite : Icons.favorite_border,
color: isLiked ? Colors.red : null,
)
),
)
),
)
],
),
),
);
}
}
class FortniteSkin {
final String imageUrl;
final String name;
final String description;
final Rarity rarity;
FortniteSkin({
required this.imageUrl,
required this.name,
required this.description,
required this.rarity,
});
}
enum Rarity {
unknown(0),
legendary(1),
epic(2),
rare(3),
common(4);
final int value;
const Rarity(this.value);
}
String getRarityString(Rarity rarity) {
switch (rarity) {
case Rarity.unknown:
return 'Unknown';
case Rarity.legendary:
return 'Legendary';
case Rarity.epic:
return 'Epic';
case Rarity.rare:
return 'Rare';
case Rarity.common:
return 'Common';
default:
return 'Unknown';
}
}
void changeSkinNames() {
final List<FortniteSkin> skins = [
FortniteSkin(
imageUrl: 'assets/images/shark.png',
name: 'Safety First Steve',
description: 'Dont make him blow the whistle.!',
rarity: Rarity.epic,
),
FortniteSkin(
imageUrl: 'assets/images/raven.png',
name: 'Raven',
description: 'Brooding master of dark skies.',
rarity: Rarity.legendary,
),
];
final Future aboba = printAboba();
print(aboba);
final List<FortniteSkin> updatedSkins = [];
for (var skin in skins) {
updatedSkins.add(FortniteSkin(
imageUrl: skin.imageUrl,
name: '${skin.name} 2',
description: skin.description,
rarity: skin.rarity,
));
}
updatedSkins.forEach((FortniteSkin e) => print(e.name));
}
Future<void> printAboba() async {
print("This is how work Future");
await Future.delayed(const Duration(seconds: 2));
print("This is how work Future");
}
class SoldFortniteSkin extends FortniteSkin {
final int price;
SoldFortniteSkin({
required String imageUrl,
required String name,
required String description,
required Rarity rarity,
required this.price,
}) : super(
imageUrl: imageUrl,
name: name,
description: description,
rarity: rarity,
);
}

97
lib/presentation/classes/skin.dart Normal file
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@ -0,0 +1,97 @@
class FortniteSkin {
final String imageUrl;
final String name;
final String description;
final Rarity rarity;
FortniteSkin({
required this.imageUrl,
required this.name,
required this.description,
required this.rarity,
});
}
enum Rarity {
unknown(0),
Legendary(1),
Epic(2),
Rare(3),
Common(4);
final int value;
const Rarity(this.value);
}
String getRarityString(Rarity rarity) {
switch (rarity) {
case Rarity.unknown:
return 'Unknown';
case Rarity.Legendary:
return 'Legendary';
case Rarity.Epic:
return 'Epic';
case Rarity.Rare:
return 'Rare';
case Rarity.Common:
return 'Common';
default:
return 'Unknown';
}
}
void changeSkinNames() {
final List<FortniteSkin> skins = [
FortniteSkin(
imageUrl: 'assets/images/shark.png',
name: 'Safety First Steve',
description: 'Dont make him blow the whistle.!',
rarity: Rarity.Epic,
),
FortniteSkin(
imageUrl: 'assets/images/raven.png',
name: 'Raven',
description: 'Brooding master of dark skies.',
rarity: Rarity.Legendary,
),
];
final Future aboba = printAboba();
print(aboba);
final List<FortniteSkin> updatedSkins = [];
for (var skin in skins) {
updatedSkins.add(FortniteSkin(
imageUrl: skin.imageUrl,
name: '${skin.name} 2',
description: skin.description,
rarity: skin.rarity,
));
}
updatedSkins.forEach((FortniteSkin e) => print(e.name));
}
Future<void> printAboba() async {
print("This is how work Future");
await Future.delayed(const Duration(seconds: 2));
print("This is how work Future");
}
class SoldFortniteSkin extends FortniteSkin {
final int price;
SoldFortniteSkin({
required String imageUrl,
required String name,
required String description,
required Rarity rarity,
required this.price,
}) : super(
imageUrl: imageUrl,
name: name,
description: description,
rarity: rarity,
);
}

60
lib/presentation/pages/datailpage.dart Normal file
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@ -0,0 +1,60 @@
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:pmu_malafeev_pi31/presentation/classes/skin.dart';
class DetailPage extends StatelessWidget {
final FortniteSkin skin;
const DetailPage(this.skin, {super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Colors.greenAccent,
title: const Text('About skin'),
),
body: Container(
color: Colors.greenAccent,
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Center(
child: Image.asset(
skin.imageUrl,
width: 300,
height: 300,
fit: BoxFit.cover,
),
),
const SizedBox(height: 16),
Center(
child: Text(
skin.name,
style: Theme.of(context).textTheme.headlineLarge,
textAlign: TextAlign.center,
),
),
const SizedBox(height: 8),
Padding(
padding: const EdgeInsets.only(left: 8.0),
child: Text(
skin.description,
style: Theme.of(context).textTheme.bodyLarge,
),
),
Padding(
padding: const EdgeInsets.only(left: 8.0, top: 4.0),
child: Text(
skin.rarity.toString(),
style: Theme.of(context).textTheme.bodyLarge,
),
),
],
),
),
);
}
}

108
lib/presentation/pages/homepage.dart Normal file
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@ -0,0 +1,108 @@
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:pmu_malafeev_pi31/presentation/pages/datailpage.dart';
import '../classes/skin.dart';
part '../widgets/card.dart';
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Colors.greenAccent,
title: Text(widget.title),
),
body: const Body(),
);
}
}
class Body extends StatelessWidget{
const Body({super.key});
void _showSnackBar(BuildContext context, String name, bool isLiked) {
WidgetsBinding.instance.addPostFrameCallback((_) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(
'Skin $name ${isLiked ? 'liked' : 'disliked'}',
style: Theme.of(context).textTheme.bodyLarge,
),
backgroundColor: Colors.greenAccent,
duration: const Duration(seconds: 1),
));
});
}
@override
Widget build(BuildContext context) {
return Center(
child: SingleChildScrollView(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
for (var skin in skins)
_Card(
name: skin.name,
description: skin.description,
imageUrl: skin.imageUrl,
rarity: skin.rarity,
onLike: (name, isLiked) => _showSnackBar(context, name, isLiked),
onTap: () => _navToDetails(context, skin),
),
],
),
),
);
}
void _navToDetails(BuildContext context, FortniteSkin skin)
{
Navigator.push(
context,
CupertinoPageRoute(builder: (context) => DetailPage(skin)),
);
}
}
final List<FortniteSkin> skins = [
FortniteSkin(
imageUrl: 'assets/images/shark.png',
name: 'Safety First Steve',
description: 'Dont make him blow the whistle.!',
rarity: Rarity.Epic,
),
FortniteSkin(
imageUrl: 'assets/images/raven.png',
name: 'Raven',
description: 'Brooding master of dark skies.',
rarity: Rarity.Legendary,
),
FortniteSkin(
imageUrl: 'assets/images/bonejamin.png',
name: 'Bonejamin',
description: 'Hes ready to party til midnight.',
rarity: Rarity.Epic,
),
FortniteSkin(
imageUrl: 'assets/images/delirium.png',
name: 'Delirium',
description: 'Dont worry, its only a nightmare...',
rarity: Rarity.Epic,
),
];

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lib/presentation/widgets/card.dart Normal file
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@ -0,0 +1,108 @@
part of '../pages/homepage.dart';
class _CardState extends State<_Card> {
bool isLiked = false;
@override
Widget build(BuildContext context) {
return GestureDetector(
onTap: widget.onTap,
child: Container(
margin: const EdgeInsets.all(16),
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.greenAccent,
borderRadius: BorderRadius.circular(15),
border: Border.all(
color: Colors.black,
width: 3,
)
),
child: IntrinsicHeight(
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
ClipRRect(
borderRadius: const BorderRadius.only(
bottomLeft: Radius.circular(20),
bottomRight: Radius.circular(20)
),
child: SizedBox(
height: double.infinity,
width: 120,
child: Image.asset(
widget.imageUrl,
fit: BoxFit.cover,
errorBuilder: (_,__,___) => const Placeholder(),
),
),
),
Expanded(
child: Padding(
padding: const EdgeInsets.only(left: 16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
widget.name,
style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
),
Text(
widget.description,
style: const TextStyle(fontSize: 15),
),
],
),
),
),
//const Spacer(), да не умер он в конце драйва
Align(
alignment: Alignment.bottomRight,
child: (
Padding(
padding: const EdgeInsets.only(left: 8.0),
child: GestureDetector
(
onTap: () {
setState(() {
isLiked = !isLiked;
});
widget.onLike.call(widget.name, isLiked);
},
child: Icon(
isLiked ? Icons.favorite : Icons.favorite_border,
color: isLiked ? Colors.red : null,
)
),
)
),
)
],
),
),
),
);
}
}
typedef OnLikeCallback = void Function(String name, bool isLiked);
class _Card extends StatefulWidget {
final String name;
final String imageUrl;
final String description;
final Rarity rarity;
final OnLikeCallback onLike;
final VoidCallback onTap;
const _Card({
required this.name,
required this.description,
required this.imageUrl,
required this.rarity,
required this.onLike,
required this.onTap,
});
@override
State<_Card> createState() => _CardState();
}

2
pubspec.yaml
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@ -56,6 +56,8 @@ flutter:
- assets/images/cat_haha.jpg
- assets/images/raven.png
- assets/images/shark.png
- assets/images/bonejamin.png
- assets/images/delirium.png
# The following line ensures that the Material Icons font is
# included with your application, so that you can use the icons in
# the material Icons class.