Update search

lib/components/alert_number_form_dialog.dart

@@ -0,0 +1,74 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:go_router/go_router.dart';
+import '../globals.dart';
+import './number_field.dart';
+
+class AlertNumberFormDialog extends StatefulWidget {
+  const AlertNumberFormDialog(this.confKey,
+      {this.title,
+      this.initial,
+      this.decoration,
+      this.max,
+      this.min,
+      this.errorMsg,
+      super.key});
+  final Widget? title;
+  final int? initial;
+  final InputDecoration? decoration;
+  final int? max;
+  final int? min;
+  final String? errorMsg;
+  final String confKey;
+  @override
+  State<StatefulWidget> createState() => _AlertNumberFormDialog();
+}
+
+class _AlertNumberFormDialog extends State<AlertNumberFormDialog> {
+  final _formKey = GlobalKey<FormState>();
+  int? now;
+  @override
+  void initState() {
+    now = prefs.getInt(widget.confKey) ?? widget.initial;
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final i18n = AppLocalizations.of(context)!;
+    return AlertDialog(
+      title: widget.title ?? Text(i18n.changeSettings),
+      content: Form(
+          key: _formKey,
+          child: NumberFormField(
+            initialValue: now,
+            decoration: widget.decoration,
+            onChanged: (s) {
+              setState(() {
+                now = s;
+              });
+            },
+            max: widget.max,
+            min: widget.min,
+            errorMsg: widget.errorMsg,
+          )),
+      actions: [
+        TextButton(
+            onPressed: now != null
+                ? () {
+                    prefs.setInt(widget.confKey, now!);
+                    listener
+                        .tryEmit("settings_updated", (widget.confKey, now!));
+                    context.pop();
+                  }
+                : null,
+            child: Text(i18n.ok)),
+        TextButton(
+            onPressed: () {
+              context.pop();
+            },
+            child: Text(i18n.cancel)),
+      ],
+    );
+  }
+}