лабораторная 4 пажаласта!

lib/domain/models/card.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class CardData {
+  final String text;
+  final IconData icon;
+  final String descriptionText;
+  final String? imageUrl;
+
+  CardData(
+      this.text, {
+        this.icon = Icons.bookmark_border,
+        required this.descriptionText,
+        this.imageUrl,
+      });
+}

lib/main.dart

@@ -1,5 +1,4 @@
-import 'dart:math';
+import 'package:app/presentation/home_page/home_page.dart';
-
 import 'package:flutter/material.dart';
 
 void main() {
@@ -9,70 +8,16 @@ void main() {
 class MyApp extends StatelessWidget {
   const MyApp({super.key});
 
-    @override
+  @override
   Widget build(BuildContext context) {
     return MaterialApp(
       title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
       theme: ThemeData(
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.teal),
+        colorScheme: ColorScheme.fromSeed(seedColor: const Color(0xFF7BA05B)),
         useMaterial3: true,
       ),
-      home: const MyHomePage(title: 'Flutter rocks!'),
+      home: const MyHomePage(title: 'Пучкина Анна Алексеевна!'),
     );
   }
 }
-
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key, required this.title});
-
-  final String title;
-
-  @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-  Color _color = Colors.teal;
-
-  void _incrementCounter() {
-    setState(() {
-      _counter++;
-      _color = Color((Random().nextDouble() * 0xFFFFFF).toInt()).withOpacity(1.0);
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        backgroundColor: _color,
-        title: Text(widget.title),
-      ),
-      body: Center(
-        child: Column(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
-            ),
-            if (_counter > 10)
-              Text(
-                'Че кликаем?!',
-                style: Theme.of(context).textTheme.headlineMedium,
-              )
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        backgroundColor: _color,
-        tooltip: 'Increment',
-        child: const Icon(Icons.accessible_forward_sharp),
-      ),     );
-  }
-}

lib/presentation/details_page/details_page.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+
+import '../../domain/models/card.dart';
+
+class DetailsPage extends StatelessWidget {
+  final CardData data;
+
+  const DetailsPage(this.data, {super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        appBar: AppBar(),
+        body: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Padding(
+              padding: const EdgeInsets.only(bottom: 16.0),
+              child: Image.network(
+                data.imageUrl ?? '',
+              ),
+            ),
+            Padding(
+              padding: const EdgeInsets.only(bottom: 4.0),
+              child: Text(
+                data.text,
+                style: Theme.of(context).textTheme.headlineLarge,
+              ),
+            ),
+            Text(
+              data.descriptionText,
+              style: Theme.of(context).textTheme.bodyLarge,
+            )
+          ],
+        ));
+  }
+}

lib/presentation/home_page/card.dart

@@ -0,0 +1,134 @@
+part of 'home_page.dart';
+
+typedef OnLikeCallBack = void Function(String title, bool isLiked)?;
+
+class _Card extends StatefulWidget {
+  final String text;
+  final IconData icon;
+  final String descriptionText;
+  final String? imageUrl;
+  final OnLikeCallBack onLike;
+  final VoidCallback? onTap;
+
+  const _Card(
+    this.text, {
+    this.icon = Icons.bookmark_border,
+    required this.descriptionText,
+    this.imageUrl,
+    this.onLike,
+    this.onTap,
+  });
+
+  factory _Card.fromData(
+    CardData data, {
+    OnLikeCallBack onLike,
+    VoidCallback? onTap,
+  }) =>
+      _Card(
+        data.text,
+        descriptionText: data.descriptionText,
+        icon: data.icon,
+        imageUrl: data.imageUrl,
+        onLike: onLike,
+        onTap: onTap,
+      );
+
+  @override
+  State<_Card> createState() => _CardState();
+}
+
+class _CardState extends State<_Card> {
+  bool isLiked = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: widget.onTap,
+      child: Container(
+        margin: const EdgeInsets.all(14),
+        constraints: const BoxConstraints(minHeight: 140),
+        decoration: BoxDecoration(
+            color: Colors.white,
+            borderRadius: BorderRadius.circular(20),
+            boxShadow: [
+              BoxShadow(
+                color: Colors.grey.withOpacity(.5),
+                spreadRadius: 4,
+                offset: const Offset(0, 5),
+                blurRadius: 8,
+              )
+            ]),
+        child: IntrinsicHeight(
+          child: Row(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              ClipRRect(
+                borderRadius: const BorderRadius.only(
+                  bottomLeft: Radius.circular(20),
+                  topLeft: Radius.circular(20),
+                ),
+                child: SizedBox(
+                    height: double.infinity,
+                    width: 120,
+                    child: Image.network(
+                      widget.imageUrl ?? '',
+                      fit: BoxFit.cover,
+                      errorBuilder: (_, __, ___) => const Placeholder(),
+                    )),
+              ),
+              Expanded(
+                child: Padding(
+                  padding: const EdgeInsets.only(left: 15.0),
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        widget.text,
+                        style: Theme.of(context).textTheme.headlineSmall,
+                      ),
+                      Text(
+                        widget.descriptionText,
+                        style: Theme.of(context).textTheme.bodyLarge,
+                      )
+                    ],
+                  ),
+                ),
+              ),
+              Align(
+                alignment: Alignment.bottomLeft,
+                child: Padding(
+                  padding: const EdgeInsets.only(
+                    left: 8.0,
+                    right: 16,
+                    bottom: 16,
+                  ),
+                  child: GestureDetector(
+                    onTap: () {
+                      setState(() {
+                        isLiked = !isLiked;
+                      });
+                      widget.onLike?.call(widget.text, isLiked);
+                    },
+                    child: AnimatedSwitcher(
+                      duration: const Duration(milliseconds: 300),
+                      child: isLiked
+                          ? const Icon(
+                              Icons.favorite,
+                              color: Colors.pink,
+                              key: ValueKey<int>(0),
+                            )
+                          : const Icon(
+                              Icons.favorite_border,
+                              key: ValueKey<int>(1),
+                            ),
+                    ),
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/presentation/home_page/home_page.dart

@@ -0,0 +1,115 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+import '../../domain/models/card.dart';
+import '../details_page/details_page.dart';
+
+part '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> {
+  final Color _color = const Color(0xFF7BA05B);
+
+  @override
+  void initState() {
+    // todo
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: _color,
+        title: Text(widget.title),
+      ),
+      body: const Body(),
+    );
+  }
+}
+
+class Body extends StatelessWidget {
+  const Body({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final data = [
+      CardData(
+        'Бенто-торт "Сумерки"',
+        descriptionText: 'И давно тебе 17?',
+        imageUrl:
+            'https://i.pinimg.com/736x/ef/5a/80/ef5a80844de4afb19750d67f1f5be04d.jpg',
+      ),
+      CardData('Бенто-торт "Material Girl"',
+          descriptionText: 'Главное какой fabric, какой material',
+          imageUrl:
+              'https://i.pinimg.com/736x/f5/88/0c/f5880cc5b09e602c1849d4093d17eb8e.jpg'),
+      CardData(
+        'Бенто-торт "Шрек"',
+        descriptionText: 'Somebody once told me the world is gonna roll me',
+        imageUrl:
+            'https://i.pinimg.com/736x/a9/0d/fb/a90dfb9dfe3b4f4e1c5ce3cb99847a1e.jpg',
+      ),
+      CardData(
+        'Бенто-торт "Дурак"',
+        descriptionText: 'Сам дурак',
+        imageUrl:
+            'https://i.pinimg.com/564x/11/87/8a/11878a2f6a0c5d26e38ce68cbbe21337.jpg',
+      ),
+      CardData(
+        'Бенто-торт "Совунья"',
+        descriptionText: 'Я просто смешариков люблю',
+        imageUrl:
+            'https://i.pinimg.com/564x/85/61/d2/8561d2b601fe9eb72c4e2031bbb6ba24.jpg',
+      ),
+      CardData(
+        'Бенто-торт "В смысле 28?"',
+        descriptionText: 'Напишем любой возраст (или срок)',
+        imageUrl:
+            'https://i.pinimg.com/564x/ae/76/0a/ae760af69d9a0c12938753a372112ee4.jpg',
+      ),
+    ];
+
+    return Center(
+        child: SingleChildScrollView(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: data.map((data) {
+          return _Card.fromData(
+            data,
+            onLike: (String title, bool isLiked) =>
+                _showSnackBar(context, title, isLiked),
+            onTap: () => _navToDetails(context, data),
+          );
+        }).toList(),
+      ),
+    ));
+  }
+
+  void _navToDetails(BuildContext context, CardData data){
+    Navigator.push(
+      context,
+      CupertinoPageRoute(builder: (context) => DetailsPage(data)),
+    );
+  }
+
+  void _showSnackBar(BuildContext context, String title, bool isLiked) {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+        content: Text(
+          'Вы ${isLiked ? 'добавили в избранное' : 'убрали из избраных'} $title',
+          style: Theme.of(context).textTheme.bodyLarge,
+        ),
+        backgroundColor: Color(0xFF7BA05B),
+        duration: const Duration(seconds: 1),
+      ));
+    });
+  }
+}