show<T> method

@override Future<T?> show<T>()

Implementation

@override
Future<T?> show<T>() {
  return showDialog<T>(
    context: context,
    builder: (ctx) {
      return Shortcuts(
        shortcuts: {
          LogicalKeySet(LogicalKeyboardKey.enter): const ActivateIntent(),
          LogicalKeySet(LogicalKeyboardKey.numpadEnter): const ActivateIntent(),
        },
        child: Actions(
          actions: {
            ActivateIntent: CallbackAction<ActivateIntent>(
              onInvoke: (_) {
                final defaultButton = buttons.firstWhere(
                      (b) => b.isDefault,
                  orElse: () => buttons.first,
                );
                if (defaultButton.dismiss)
                  Navigator.of(ctx).pop(defaultButton.value as T);

                if( defaultButton.onPressed != null)
                  defaultButton.onPressed!();

                return null;
              },
            ),
          },
          child: AlertDialog(
            title: titleString != null ? Text(titleString!) : null,
            content: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                if (messageString != null) Text(messageString!),
                ..._inputs.map(
                      (input) => Padding(
                    padding: const EdgeInsets.only(top: 8.0),
                    child: TextField(
                      controller: input.controller,
                      obscureText: input.obscureText,
                      decoration: InputDecoration(
                        labelText: input.label,
                        border: const OutlineInputBorder(),
                      ),
                      onSubmitted: (_) {
                        final defaultButton = buttons.firstWhere(
                              (b) => b.isDefault,
                          orElse: () => buttons.first,
                        );
                        if (defaultButton.dismiss)
                          Navigator.of(ctx).pop(defaultButton.value as T);

                        if ( defaultButton.onPressed != null)
                          defaultButton.onPressed!();
                      },
                    ),
                  ),
                ),
              ],
            ),
            actions: buttons
                .map(
                  (b) => TextButton(
                onPressed: () {
                  if (b.dismiss) Navigator.of(ctx).pop(b.value);

                  if (b.onPressed != null)
                    b.onPressed!();
                },
                style: b.isDefault
                    ? TextButton.styleFrom(
                  backgroundColor: Theme.of(ctx).primaryColor,
                  foregroundColor: Colors.white,
                )
                    : null,
                child: Text(b.label),
              ),
            )
                .toList(),
          ),
        ),
      );
    },
  );
}