Widget _buildSearchableDropdown()

in components/frontend_flutterflow/src/lib/flutter_flow/flutter_flow_drop_down.dart [150:225]
74 lines of code
4 McCabe index (conditional complexity)

  Widget _buildSearchableDropdown(
    T? value,
    List<DropdownMenuItem<T>>? items,
    void Function(T?)? onChanged,
    Text? hintText,
  ) {
    final overlayColor = MaterialStateProperty.resolveWith<Color?>((states) =>
        states.contains(MaterialState.focused) ? Colors.transparent : null);
    final iconStyleData = widget.icon != null
        ? IconStyleData(icon: widget.icon!)
        : const IconStyleData();
    return DropdownButton2<T>(
      value: value,
      hint: hintText,
      items: items,
      iconStyleData: iconStyleData,
      buttonStyleData: ButtonStyleData(
        elevation: widget.elevation.toInt(),
        overlayColor: overlayColor,
      ),
      menuItemStyleData: MenuItemStyleData(overlayColor: overlayColor),
      dropdownStyleData: DropdownStyleData(
        elevation: widget.elevation.toInt(),
        decoration: BoxDecoration(
          borderRadius: BorderRadius.circular(4),
          color: widget.fillColor,
        ),
      ),
      onChanged: onChanged,
      isExpanded: true,
      dropdownSearchData: DropdownSearchData<T>(
        searchController: _textEditingController,
        searchInnerWidgetHeight: 50,
        searchInnerWidget: Container(
          height: 50,
          padding: const EdgeInsets.only(
            top: 8,
            bottom: 4,
            right: 8,
            left: 8,
          ),
          child: TextFormField(
            expands: true,
            maxLines: null,
            controller: _textEditingController,
            cursorColor: widget.searchCursorColor,
            decoration: InputDecoration(
              isDense: true,
              contentPadding: const EdgeInsets.symmetric(
                horizontal: 10,
                vertical: 8,
              ),
              hintText: widget.searchHintText,
              hintStyle: widget.searchHintTextStyle,
              border: OutlineInputBorder(
                borderRadius: BorderRadius.circular(8),
              ),
            ),
          ),
        ),
        searchMatchFn: (item, searchValue) {
          return item.value
              .toString()
              .toLowerCase()
              .contains(searchValue.toLowerCase());
        },
      ),

      //This to clear the search value when you close the menu
      onMenuStateChange: (isOpen) {
        if (!isOpen) {
          _textEditingController.clear();
        }
      },
    );
  }