3 lab

lib/main.dart

@@ -55,71 +55,126 @@ class MyHomePage extends StatefulWidget {
 }
 
 class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
 
   @override
   Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
     return Scaffold(
       appBar: AppBar(
-        // TRY THIS: Try changing the color here to a specific color (to
-        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
-        // change color while the other colors stay the same.
         backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        // 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: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          //
-          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
-          // action in the IDE, or press "p" in the console), to see the
-          // wireframe for each widget.
-          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),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
+      body: const MyWidget(),
+    );
+  }
+}
+
+class MyWidget extends StatelessWidget {
+  const MyWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final data = [
+      _CardData(
+        'Зов Ктулху',
+        descriptionText: 'Лучше бы не находить разгадку, объединяющую сошедших с ума творцов...',
+        imageUrl: 'https://lovecraft.country/images/bibliography/call-of-cthulhu-mini.webp'
+      ),
+      _CardData(
+        'Хребты безумия',
+        descriptionText: '«Хребты безумия» написаны в документальной манере повествования, постепенно привыкая к которой, становишься свидетелем особой реальности описываемых событий.',
+        icon: Icons.hail,
+        imageUrl: 'https://lovecraft.country/images/bibliography/At-the-Mountains-of-Madness-mini.webp'
+      ),
+      _CardData('Тень над Инсмутом', descriptionText: 'Инсмут, маленький рыбацкий городок неподалеку от Аркхэма, уже много лет имеет дурную славу. В округе ходят жуткие истории о его угрюмых и уродливых жителях, от которых лучше держаться подальше.', icon: Icons.warning_amber, imageUrl: 'https://lovecraft.country/images/bibliography/The-Shadow-over-Innsmouth.webp')
+    ];
+    return Center(
+      child: SingleChildScrollView(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: data.map((e) => _Card.fromData(e)).toList(),
+        ),
+      ),
+    );
+  }
+}
+
+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});
+}
+
+class _Card extends StatelessWidget {
+  final String text;
+  final String descriptionText;
+  final IconData icon;
+  final String? imageUrl;
+
+  const _Card(this.text,
+      {required this.descriptionText,
+      this.icon = Icons.ac_unit_outlined,
+      this.imageUrl});
+
+  factory _Card.fromData(_CardData data) => _Card(
+        data.text,
+        descriptionText: data.descriptionText,
+        icon: data.icon,
+        imageUrl: data.imageUrl,
+      );
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      margin: const EdgeInsets.only(top: 16),
+      padding: const EdgeInsets.all(16),
+      decoration: BoxDecoration(
+        color: Colors.amber,
+        borderRadius: BorderRadius.circular(20),
+        border: Border.all(
+          color: Colors.grey,
+          width: 2,
+        ),
+      ),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          ClipRRect(
+            borderRadius: BorderRadius.circular(20),
+            child: SizedBox(
+              width: 140,
+              height: 100,
+              child: Image.network(
+                imageUrl ?? '',
+                fit: BoxFit.cover,
+                errorBuilder: (_, __, ___) => const Placeholder(),
+              ),
+            ),
+          ),
+          Flexible(
+              child: Padding(
+            padding: const EdgeInsets.only(left: 16.0),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(text, style: Theme.of(context).textTheme.headlineLarge),
+                Text(descriptionText,
+                    style: Theme.of(context).textTheme.bodyLarge),
+              ],
+            ),
+          )),
+          Padding(
+            padding: const EdgeInsets.only(left:8.0),
+            child: Icon(icon),
+          ),
+        ],
+      ),
     );
   }
 }