Init repo

lib/widgets/shared/pull_to_refresh.dart

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+import 'package:fladder/util/adaptive_layout.dart';
+import 'package:fladder/util/refresh_state.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class PullToRefresh extends ConsumerStatefulWidget {
+  final GlobalKey<RefreshIndicatorState>? refreshKey;
+  final double? displacement;
+  final bool refreshOnStart;
+  final bool autoFocus;
+  final bool contextRefresh;
+  final Future<void> Function()? onRefresh;
+  final Widget child;
+  const PullToRefresh({
+    required this.child,
+    this.displacement,
+    this.autoFocus = true,
+    this.refreshOnStart = true,
+    this.contextRefresh = true,
+    required this.onRefresh,
+    this.refreshKey,
+    super.key,
+  });
+
+  @override
+  ConsumerState<ConsumerStatefulWidget> createState() => _PullToRefreshState();
+}
+
+class _PullToRefreshState extends ConsumerState<PullToRefresh> {
+  final GlobalKey<RefreshIndicatorState> _refreshIndicatorKey = GlobalKey<RefreshIndicatorState>();
+  final FocusNode focusNode = FocusNode();
+
+  GlobalKey<RefreshIndicatorState> get refreshKey {
+    return (widget.refreshKey ?? _refreshIndicatorKey);
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    if (widget.refreshOnStart) {
+      Future.microtask(
+        () => refreshKey.currentState?.show(),
+      );
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if ((AdaptiveLayout.of(context).isDesktop || kIsWeb) && widget.autoFocus) {
+      focusNode.requestFocus();
+    }
+    return RefreshState(
+      refreshKey: refreshKey,
+      refreshAble: widget.contextRefresh,
+      child: Focus(
+        focusNode: focusNode,
+        autofocus: true,
+        onKeyEvent: (node, event) {
+          if (event is KeyDownEvent) {
+            if (event.logicalKey == LogicalKeyboardKey.f5) {
+              refreshKey.currentState?.show();
+              return KeyEventResult.handled;
+            }
+            return KeyEventResult.ignored;
+          }
+          return KeyEventResult.ignored;
+        },
+        child: widget.onRefresh != null
+            ? RefreshIndicator.adaptive(
+                displacement: widget.displacement ?? 80 + MediaQuery.of(context).viewPadding.top,
+                key: refreshKey,
+                onRefresh: widget.onRefresh!,
+                color: Theme.of(context).colorScheme.onPrimaryContainer,
+                backgroundColor: Theme.of(context).colorScheme.primaryContainer,
+                child: widget.child,
+              )
+            : widget.child,
+      ),
+    );
+  }
+}