parser logic added

2026-08-30 12:24:29 +02:00
parent 35d5c90d81
commit 3b698a3667
28 changed files with 3018 additions and 346 deletions
@@ -0,0 +1,101 @@
+/// Name prompt that owns its text controller for the dialog lifetime.
+library;
+
+import 'package:flutter/material.dart';
+
+Future<String?> showNameDialog(
+  BuildContext context, {
+  required String title,
+  String? initial,
+  String label = 'Name',
+  String confirmLabel = 'Save',
+}) {
+  return showDialog<String>(
+    context: context,
+    builder: (context) => _NameDialog(
+      title: title,
+      initial: initial ?? '',
+      label: label,
+      confirmLabel: confirmLabel,
+    ),
+  );
+}
+
+class _NameDialog extends StatefulWidget {
+  const _NameDialog({
+    required this.title,
+    required this.initial,
+    required this.label,
+    required this.confirmLabel,
+  });
+
+  final String title;
+  final String initial;
+  final String label;
+  final String confirmLabel;
+
+  @override
+  State<_NameDialog> createState() => _NameDialogState();
+}
+
+class _NameDialogState extends State<_NameDialog> {
+  late final TextEditingController _controller;
+  String? _error;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = TextEditingController(text: widget.initial);
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  void _save() {
+    final name = _controller.text.trim();
+    if (name.isEmpty) {
+      setState(() => _error = 'Enter a name.');
+      return;
+    }
+    Navigator.of(context).pop(name);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text(widget.title),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          TextField(
+            controller: _controller,
+            autofocus: true,
+            textCapitalization: TextCapitalization.sentences,
+            decoration: InputDecoration(labelText: widget.label),
+            onSubmitted: (_) => _save(),
+          ),
+          if (_error != null) ...[
+            const SizedBox(height: 8),
+            Align(
+              alignment: Alignment.centerLeft,
+              child: Text(
+                _error!,
+                style: TextStyle(color: Theme.of(context).colorScheme.error),
+              ),
+            ),
+          ],
+        ],
+      ),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(),
+          child: const Text('Cancel'),
+        ),
+        TextButton(onPressed: _save, child: Text(widget.confirmLabel)),
+      ],
+    );
+  }
+}