fluffychat/lib/widgets/adaptive_dialogs/show_text_input_dialog.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:flutter_linkify/flutter_linkify.dart';

import 'package:fluffychat/utils/url_launcher.dart';
import 'package:fluffychat/widgets/adaptive_dialogs/adaptive_dialog_action.dart';

Future<String?> showTextInputDialog({
  required BuildContext context,
  required String title,
  String? message,
  String? okLabel,
  String? cancelLabel,
  bool useRootNavigator = true,
  String? hintText,
  String? labelText,
  String? initialText,
  String? prefixText,
  String? suffixText,
  bool obscureText = false,
  bool isDestructive = false,
  int? minLines,
  int? maxLines,
  String? Function(String input)? validator,
  TextInputType? keyboardType,
  int? maxLength,
  bool autocorrect = true,
  // #Pangea
  bool autoSubmit = false,
  // Pangea#
}) {
  final theme = Theme.of(context);
  return showAdaptiveDialog<String>(
    context: context,
    useRootNavigator: useRootNavigator,
    builder: (context) {
      final controller = TextEditingController(text: initialText);
      final error = ValueNotifier<String?>(null);
      return ConstrainedBox(
        constraints: const BoxConstraints(maxWidth: 512),
        child: AlertDialog.adaptive(
          title: ConstrainedBox(
            constraints: const BoxConstraints(maxWidth: 256),
            child: Text(title),
          ),
          content: ConstrainedBox(
            constraints: const BoxConstraints(maxWidth: 256),
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                if (message != null)
                  SelectableLinkify(
                    text: message,
                    linkStyle: TextStyle(
                      color: Theme.of(context).colorScheme.primary,
                      decorationColor: Theme.of(context).colorScheme.primary,
                    ),
                    options: const LinkifyOptions(humanize: false),
                    onOpen: (url) => UrlLauncher(context, url.url).launchUrl(),
                  ),
                const SizedBox(height: 16),
                ValueListenableBuilder<String?>(
                  valueListenable: error,
                  builder: (context, error, _) {
                    switch (theme.platform) {
                      case TargetPlatform.android:
                      case TargetPlatform.fuchsia:
                      case TargetPlatform.linux:
                      case TargetPlatform.windows:
                        return TextField(
                          controller: controller,
                          obscureText: obscureText,
                          // #Pangea
                          // minLines: minLines,
                          // maxLines: maxLines,
                          minLines: autoSubmit ? 1 : minLines,
                          maxLines: autoSubmit ? 1 : maxLines,
                          onSubmitted: autoSubmit
                              ? (_) {
                                  final input = controller.text;
                                  final errorText = validator?.call(input);
                                  if (errorText != null) {
                                    error = errorText;
                                    return;
                                  }
                                  Navigator.of(context).pop<String>(input);
                                }
                              : null,
                          // Pangea#
                          maxLength: maxLength,
                          keyboardType: keyboardType,
                          autocorrect: autocorrect,
                          decoration: InputDecoration(
                            errorText: error,
                            hintText: hintText,
                            labelText: labelText,
                            prefixText: prefixText,
                            suffixText: suffixText,
                          ),
                        );
                      case TargetPlatform.iOS:
                      case TargetPlatform.macOS:
                        return Column(
                          mainAxisSize: MainAxisSize.min,
                          children: [
                            CupertinoTextField(
                              controller: controller,
                              obscureText: obscureText,
                              // #Pangea
                              // minLines: minLines,
                              // maxLines: maxLines,
                              minLines: autoSubmit ? 1 : minLines,
                              maxLines: autoSubmit ? 1 : maxLines,
                              onSubmitted: autoSubmit
                                  ? (_) {
                                      final input = controller.text;
                                      final errorText = validator?.call(input);
                                      if (errorText != null) {
                                        error = errorText;
                                        return;
                                      }
                                      Navigator.of(context).pop<String>(input);
                                    }
                                  : null,
                              // Pangea#
                              maxLength: maxLength,
                              keyboardType: keyboardType,
                              autocorrect: autocorrect,
                              prefix:
                                  prefixText != null ? Text(prefixText) : null,
                              suffix:
                                  suffixText != null ? Text(suffixText) : null,
                              placeholder: labelText ?? hintText,
                            ),
                            if (error != null)
                              Text(
                                error!,
                                style: TextStyle(
                                  fontSize: 11,
                                  color: theme.colorScheme.error,
                                ),
                                textAlign: TextAlign.left,
                              ),
                          ],
                        );
                    }
                  },
                ),
              ],
            ),
          ),
          actions: [
            AdaptiveDialogAction(
              onPressed: () => Navigator.of(context).pop(null),
              child: Text(cancelLabel ?? L10n.of(context).cancel),
            ),
            AdaptiveDialogAction(
              onPressed: () {
                final input = controller.text;
                final errorText = validator?.call(input);
                if (errorText != null) {
                  error.value = errorText;
                  return;
                }
                Navigator.of(context).pop<String>(input);
              },
              autofocus: true,
              child: Text(
                okLabel ?? L10n.of(context).ok,
                style: isDestructive
                    ? TextStyle(color: Theme.of(context).colorScheme.error)
                    : null,
              ),
            ),
          ],
        ),
      );
    },
  );
}