add PromptDialog helper for text input dialogs

2026-07-12 23:36:46 +02:00
parent 564a334cdc
commit dfce3e7b5c
3 changed files with 67 additions and 76 deletions
@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+
+import 'async_action_button.dart';
+
+/// Single-line text-input dialog. The confirm action runs [onConfirm] with the
+/// trimmed input via [AsyncDialogAction], so it shows a spinner and an inline
+/// error and only closes on success. Throw inside [onConfirm] to keep the
+/// dialog open with a message (e.g. for empty or duplicate input).
+void showPromptDialog(
+  BuildContext context, {
+  required String title,
+  required String confirmButton,
+  required Future<void> Function(String value) onConfirm,
+  String label = 'Name',
+  String initialValue = '',
+  AsyncErrorBuilder? errorBuilder,
+}) {
+  final controller = TextEditingController(text: initialValue);
+  showDialog(
+    context: context,
+    builder: (dialogCtx) => AlertDialog(
+      title: Text(title),
+      content: TextField(
+        controller: controller,
+        decoration: InputDecoration(labelText: label),
+        autofocus: true,
+      ),
+      actions: [
+        AsyncDialogAction(
+          confirmLabel: confirmButton,
+          onConfirm: () => onConfirm(controller.text.trim()),
+          errorBuilder: errorBuilder,
+        ),
+      ],
+    ),
+  ).whenComplete(controller.dispose);
+}