Add mailbox Select

lib/widgets/popups/mailbox_select.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import 'package:enough_mail/enough_mail.dart';
+
+class MailBoxSelect extends StatefulWidget {
+  static Future<Mailbox?> show(BuildContext context,
+      {required List<Mailbox> mailboxes}) async {
+    return await showDialog<Mailbox>(
+      context: context,
+      builder: (context) => MailBoxSelect(mailBoxes: mailboxes),
+    );
+  }
+
+  const MailBoxSelect({Key? key, required this.mailBoxes}) : super(key: key);
+
+  final List<Mailbox> mailBoxes;
+
+  @override
+  _MailBoxSelectState createState() => _MailBoxSelectState();
+}
+
+class _MailBoxSelectState extends State<MailBoxSelect> {
+  Mailbox? _selectedMailbox;
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Boîte de réception'),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.spaceAround,
+          children: [
+            DropdownButton<Mailbox>(
+                value: _selectedMailbox,
+                items: widget.mailBoxes.map((Mailbox mailBox) {
+                  return DropdownMenuItem<Mailbox>(
+                    value: mailBox,
+                    child: Text(mailBox.name),
+                  );
+                }).toList(),
+                onChanged: (Mailbox? value) {
+                  if (value != null) {
+                    setState(() => _selectedMailbox = value);
+                  }
+                }),
+            TextButton(
+                onPressed: _selectedMailbox == null
+                    ? null
+                    : () {
+                        Navigator.pop(context, _selectedMailbox!);
+                      },
+                child: const Text('Valider'))
+          ],
+        ),
+      ),
+    );
+  }
+}