lab4

lib/domain/models/card.dart

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

lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:pmu/presentation/home_page/home_page.dart';
 
 void main() {
   runApp(const MyApp());
@@ -13,60 +14,10 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       title: 'Flutter Demo',
       theme: ThemeData(
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple.shade300),
         useMaterial3: true,
       ),
-      home: const MyHomePage(title: 'Долгова Дарья Николаевна'),
+      home: const MyHomePage(title: 'Энциклопедия кошек'),
     );
   }
-}
-
-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;
-
-  void _incrementCounter() {
-    setState(() {
-      _counter++;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-
-    return Scaffold(
-      appBar: AppBar(
-
-        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        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,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ),
-    );
-  }
-}
+}

lib/presentation/details_page/details_page.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+import 'package:pmu/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: TextStyle(fontSize: 23),
+            ),
+          ),
+          Text(
+            data.descriptionText,
+            style: TextStyle(fontSize: 19),
+          )
+        ],
+      ),
+    );
+  }
+}

lib/presentation/home_page/card.dart

@@ -0,0 +1,136 @@
+part of 'home_page.dart';
+
+typedef OnLikeCallback = void Function(String title, bool isLiked)?;
+
+class _Card extends StatefulWidget {
+  final String text;
+  final String descriptionText;
+  final IconData icon;
+  final String? imageUrl;
+  final OnLikeCallback onLike;
+  final VoidCallback? onTap;
+
+  const _Card(
+      this.text, {
+        this.icon = Icons.abc,
+        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(16),
+        constraints: const BoxConstraints(minHeight: 140),
+        decoration: BoxDecoration(
+          color: Colors.white70,
+          borderRadius: BorderRadius.circular(20),
+          border: Border.all(color: Colors.grey),
+          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: 140,
+                  child: Image.network(
+                    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.text,
+                        style: TextStyle(fontSize: 23),
+                      ),
+                      Text(
+                        widget.descriptionText,
+                        style: TextStyle(fontSize: 19),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+              Align(
+                alignment: Alignment.bottomRight,
+                child: Padding(
+                  padding: const EdgeInsets.only(
+                    left: 8.0,
+                    right: 16.0,
+                    bottom: 16.0,
+                  ),
+                  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.purpleAccent,
+                        key: ValueKey<int>(0),
+                      )
+                          : const Icon(
+                        Icons.favorite_border,
+                        key: ValueKey<int>(1),
+                      ),
+                    ),
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/presentation/home_page/home_page.dart

@@ -0,0 +1,106 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:pmu/domain/models/card.dart';
+import 'package:pmu/presentation/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 = Colors.deepPurple.shade300;
+
+  @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(
+          'Абиссинская',
+          descriptionText: 'Эфиопия',
+          icon: Icons.favorite,
+          imageUrl: 'https://ajo-pet.ru/u/ckupload/files/abissinskaya-koshka-sorrel.jpg'
+      ),
+      CardData(
+        'Британская',
+        descriptionText: 'Великобритания',
+        icon: Icons.ac_unit,
+        imageUrl: 'https://zoopt.ru/upload/iblock/ce2/britan.png',
+      ),
+      CardData(
+        'Невская Маскарадная',
+        descriptionText: 'СССР',
+        icon: Icons.ac_unit,
+        imageUrl: 'https://wikipet.ru/wp-content/uploads/2018-10/1539243031_1491312430_nev_mask_info.jpg',
+      ),
+      CardData(
+        'Персидская',
+        descriptionText: 'Иран',
+        imageUrl: 'https://s4.stc.all.kpcdn.net/family/wp-content/uploads/2022/08/top-persidskaya-koshka-960h540.jpg',
+      ),
+      CardData(
+        'Ангорская',
+        descriptionText: 'Турция',
+        imageUrl: 'https://ornella.club/uploads/posts/2023-05/thumbs/1685245234_ornella-club-p-sibirskaya-angorskaya-koshka-krasivo-2.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(
+          'You ${isLiked ? 'like!' : 'disliked :('} $title ',
+          style: Theme
+              .of(context)
+              .textTheme
+              .bodyLarge,
+        ),
+        backgroundColor: Colors.deepPurple.shade600,
+        duration: const Duration(seconds: 1),
+      ));
+    });
+  }}