FormBuilderSearchableDropdown<T> constructor

FormBuilderSearchableDropdown<T>({ Key? key, AutovalidateMode? autovalidateMode, bool enabled = true, FocusNode? focusNode, FormFieldSetter<T>? onSaved, FormFieldValidator<T>? validator, InputDecoration decoration = const InputDecoration(), required String name, T? initialValue, ValueChanged<T?>? onChanged, ValueTransformer<T?>? valueTransformer, VoidCallback? onReset, DropdownSearchOnFind<T>? asyncItems, AutovalidateMode? autoValidateMode, DropdownSearchCompareFn<T>? compareFn, DropdownSearchBuilder<T>? dropdownBuilder, InputDecoration? dropdownSearchDecoration, TextAlign? dropdownSearchTextAlign, TextAlignVertical? dropdownSearchTextAlignVertical, DropdownSearchFilterFn<T>? filterFn, DropdownSearchItemAsString<T>? itemAsString, List<T> items = const [], BeforeChange<T>? onBeforeChange, OnItemAdded<T>? popupOnItemAdded, OnItemRemoved<T>? popupOnItemRemoved, DropdownSearchPopupItemBuilder<T>? popupSelectionWidget, T? selectedItem, List<T> selectedItems = const [], PopupProps<T> popupProps = const PopupProps.menu(showSearchBox: true, fit: FlexFit.loose), ClearButtonProps? clearButtonProps, TextStyle? dropdownSearchTextStyle, DropdownButtonProps? dropdownButtonProps, })

Creates field for selecting value(s) from a searchable list

Implementation

FormBuilderSearchableDropdown({
  super.key,
  super.autovalidateMode,
  super.enabled,
  super.focusNode,
  super.onSaved,
  super.validator,
  super.decoration,
  required super.name,
  super.initialValue,
  super.onChanged,
  super.valueTransformer,
  super.onReset,
  this.asyncItems,
  this.autoValidateMode,
  this.compareFn,
  this.dropdownBuilder,
  this.dropdownSearchDecoration,
  this.dropdownSearchTextAlign,
  this.dropdownSearchTextAlignVertical,
  this.filterFn,
  // this.isFilteredOnline = false,
  this.itemAsString,
  this.items = const [],
  this.onBeforeChange,
  this.popupOnItemAdded,
  this.popupOnItemRemoved,
  this.popupSelectionWidget,
  this.selectedItem,
  this.selectedItems = const [],
  this.popupProps = const PopupProps.menu(
    showSearchBox: true,
    fit: FlexFit.loose,
  ),
  this.clearButtonProps,
  this.dropdownSearchTextStyle,
  this.dropdownButtonProps,
})  : assert(T == String || compareFn != null),
      isMultiSelectionMode = false,
      dropdownBuilderMultiSelection = null,
      onBeforeChangeMultiSelection = null,
      onSavedMultiSelection = null,
      onChangedMultiSelection = null,
      popupValidationMultiSelectionWidget = null,
      popupCustomMultiSelectionWidget = null,
      super(
        builder: (FormFieldState<T?> field) {
          final state = field as FormBuilderSearchableDropdownState<T>;
          return DropdownSearch<T>(
            // Hack to rebuild when didChange is called
            asyncItems: asyncItems,
            clearButtonProps: clearButtonProps ?? const ClearButtonProps(),
            compareFn: compareFn,
            enabled: state.enabled,
            dropdownBuilder: dropdownBuilder,
            dropdownButtonProps:
                dropdownButtonProps ?? const DropdownButtonProps(),
            dropdownDecoratorProps: DropDownDecoratorProps(
              dropdownSearchDecoration: state.decoration,
              textAlign: dropdownSearchTextAlign,
              textAlignVertical: dropdownSearchTextAlignVertical,
              baseStyle: dropdownSearchTextStyle,
            ),
            filterFn: filterFn,
            items: items,
            itemAsString: itemAsString,
            onBeforeChange: onBeforeChange,
            onChanged: (value) {
              state.didChange(value);
            },
            popupProps: popupProps,
            selectedItem: state.value,
          );
        },
      );