shopping_cart_tab.dart

class _ShoppingCartTabState extends State<ShoppingCartTab> {
  String name;      // ADD FROM HERE
  String email;
  String location;
  String pin;
  DateTime dateTime = DateTime.now();

  Widget _buildNameField() {
    return CupertinoTextField(
      prefix: const Icon(
        CupertinoIcons.person_solid,
        color: CupertinoColors.lightBackgroundGray,
        size: 28,
      ),
      padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 12),
      clearButtonMode: OverlayVisibilityMode.editing,
      textCapitalization: TextCapitalization.words,
      autocorrect: false,
      decoration: const BoxDecoration(
        border: Border(
          bottom: BorderSide(
            width: 0,
            color: CupertinoColors.inactiveGray,
          ),
        ),
      ),
      placeholder: 'Name',
      onChanged: (newName) {
        setState(() {
          name = newName;
        });
      },
    );
  }

  Widget _buildEmailField() {
    return const CupertinoTextField(
      prefix: Icon(
        CupertinoIcons.mail_solid,
        color: CupertinoColors.lightBackgroundGray,
        size: 28,
      ),
      padding: EdgeInsets.symmetric(horizontal: 6, vertical: 12),
      clearButtonMode: OverlayVisibilityMode.editing,
      keyboardType: TextInputType.emailAddress,
      autocorrect: false,
      decoration: BoxDecoration(
        border: Border(
          bottom: BorderSide(
            width: 0,
            color: CupertinoColors.inactiveGray,
          ),
        ),
      ),
      placeholder: 'Email',
    );
  }

  Widget _buildLocationField() {
    return const CupertinoTextField(
      prefix: Icon(
        CupertinoIcons.location_solid,
        color: CupertinoColors.lightBackgroundGray,
        size: 28,
      ),
      padding: EdgeInsets.symmetric(horizontal: 6, vertical: 12),
      clearButtonMode: OverlayVisibilityMode.editing,
      textCapitalization: TextCapitalization.words,
      decoration: BoxDecoration(
        border: Border(
          bottom: BorderSide(
            width: 0,
            color: CupertinoColors.inactiveGray,
          ),
        ),
      ),
      placeholder: 'Location',
    );
  }

  SliverChildBuilderDelegate _buildSliverChildBuilderDelegate(
      AppStateModel model) {
    return SliverChildBuilderDelegate(
      (context, index) {
        switch (index) {
          case 0:
            return Padding(
              padding: const EdgeInsets.symmetric(horizontal: 16),
              child: _buildNameField(),
            );
          case 1:
            return Padding(
              padding: const EdgeInsets.symmetric(horizontal: 16),
              child: _buildEmailField(),
            );
          case 2:
            return Padding(
              padding: const EdgeInsets.symmetric(horizontal: 16),
              child: _buildLocationField(),
            );
          default:
          // Do nothing. For now.
        }
        return null;
      },
    );
  }                  // TO HERE