Refresh button for balance

frontend/pweb/lib/widgets/wallet_balance_refresh_button.dart

@@ -0,0 +1,62 @@
+import 'package:flutter/material.dart';
+
+import 'package:provider/provider.dart';
+
+import 'package:pshared/provider/payment/wallets.dart';
+
+import 'package:pweb/models/visibility.dart';
+
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
+
+class WalletBalanceRefreshButton extends StatelessWidget {
+  final String walletId;
+  final VisibilityState iconOnly;
+  final double iconSize = 18;
+
+  const WalletBalanceRefreshButton({
+    super.key,
+    required this.walletId,
+    this.iconOnly = VisibilityState.visible,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final walletsProvider = context.watch<WalletsProvider>();
+    final loc = AppLocalizations.of(context)!;
+    final isBusy = walletsProvider.isWalletRefreshing(walletId) || walletsProvider.isLoading;
+    final hasTarget = walletsProvider.wallets.any((w) => w.id == walletId);
+
+    void refresh() {
+      final provider = context.read<WalletsProvider>();
+      provider.refreshBalance(walletId);
+    }
+
+    if (iconOnly == VisibilityState.hidden) {
+      return IconButton(
+        tooltip: loc.refreshBalance,
+        onPressed: hasTarget && !isBusy ? refresh : null,
+        icon: isBusy
+            ? SizedBox(
+                width: iconSize,
+                height: iconSize,
+                child: const CircularProgressIndicator(strokeWidth: 2),
+              )
+            : const Icon(Icons.refresh),
+      );
+    }
+
+    return TextButton.icon(
+      onPressed: hasTarget && !isBusy ? refresh : null,
+      icon: isBusy
+          ? SizedBox(
+              width: iconSize,
+              height: iconSize,
+              child: const CircularProgressIndicator(strokeWidth: 2),
+            )
+          : const Icon(Icons.refresh),
+      label: Text(loc.refreshBalance),
+      style: TextButton.styleFrom(visualDensity: VisualDensity.compact),
+    );
+  }
+}