IconDataField constructor

IconDataField({ required Map<String, IconData> icons, String? labelPrefix, String? label, Widget? labelWidget, IconDataFieldController? controller, FormFieldValidator<IconData>? validator, FormFieldSetter<IconData>? onSaved, IconData? initialValue, bool enabled = true, AutovalidateMode autoValidateMode = AutovalidateMode.disabled, bool filled = false, Color? fillColor, double iconSize = 32.0, double maxCrossAxisExtent = 40.0, double mainAxisSpacing = 6.0, double crossAxisSpacing = 6.0, double height = 128.0, double spaceBetween = 16.0, InputDecoration? decoration, EdgeInsets padding = const EdgeInsets.all(8), String? hintText, EdgeInsets? contentPadding, bool showClearSelectionButton = true, int? sizeExtraSmall, int? sizeSmall, int? sizeMedium, int? sizeLarge, int? sizeExtraLarge, double? minHeight, Key? key, })

Implementation

IconDataField({
  required this.icons,
  final String? labelPrefix,
  final String? label,
  final Widget? labelWidget,
  this.controller,
  final FormFieldValidator<IconData>? validator,
  super.onSaved,
  final IconData? initialValue,
  super.enabled,
  final AutovalidateMode autoValidateMode = AutovalidateMode.disabled,
  final bool filled = false,
  final Color? fillColor,
  final double iconSize = 32.0,
  final double maxCrossAxisExtent = 40.0,
  final double mainAxisSpacing = 6.0,
  final double crossAxisSpacing = 6.0,
  final double height = 128.0,
  final double spaceBetween = 16.0,
  final InputDecoration? decoration,
  final EdgeInsets padding = const EdgeInsets.all(8),
  final String? hintText,
  final EdgeInsets? contentPadding,
  final bool showClearSelectionButton = true,
  super.sizeExtraSmall,
  super.sizeSmall,
  super.sizeMedium,
  super.sizeLarge,
  super.sizeExtraLarge,
  super.minHeight,
  super.key,
}) : assert(
       initialValue == null || controller == null,
       'initialValue or controller must be null.',
     ),
     assert(
       label == null || labelWidget == null,
       'label or labelWidget must be null.',
     ),
     super(
       initialValue: controller != null ? controller.value : initialValue,
       validator: enabled ? validator : null,
       autovalidateMode: autoValidateMode,
       builder: (final FormFieldState<IconData> field) {
         _IconDataFieldState state = field as _IconDataFieldState;

         InputDecoration effectiveDecoration =
             (decoration ??
                     InputDecoration(
                       border: const OutlineInputBorder(),
                       filled: filled,
                       fillColor: fillColor,
                       label: labelWidget,
                       labelText: <String?>[
                         labelPrefix,
                         label,
                       ].nonNulls.join(' - '),
                       counterText: '',
                       hintText: hintText,
                       contentPadding:
                           contentPadding ??
                           const EdgeInsets.fromLTRB(12, 0, 8, 12),
                     ))
                 .applyDefaults(Theme.of(field.context).inputDecorationTheme);

         return Padding(
           padding: padding,
           child: InputDecorator(
             decoration: effectiveDecoration.copyWith(
               errorText: enabled ? field.errorText : null,
             ),
             child: Column(
               children: <Widget>[
                 Padding(
                   padding: const EdgeInsets.only(top: 16),
                   child: Row(
                     crossAxisAlignment: CrossAxisAlignment.end,
                     children: <Widget>[
                       Expanded(
                         child: isNull(state.value)
                             ? Container()
                             : Padding(
                                 padding: const EdgeInsets.only(
                                   left: 8,
                                   right: 16,
                                 ),
                                 child: Row(
                                   children: <Widget>[
                                     Icon(state.value, size: iconSize),
                                     const SizedBox(width: 16),
                                     Chip(
                                       label: Text(
                                         state._effectiveController.name,
                                       ),
                                     ),
                                     if (showClearSelectionButton)
                                       const SizedBox(width: 8),
                                     if (showClearSelectionButton)
                                       IconButton(
                                         icon: const Icon(
                                           FontAwesomeIcons.xmark,
                                         ),
                                         onPressed: () =>
                                             state.didChange(null),
                                       ),
                                   ],
                                 ),
                               ),
                       ),
                       AnimatedSearch(controller: state._textController),
                     ],
                   ),
                 ),
                 Padding(
                   padding: EdgeInsets.only(top: spaceBetween),
                   child: SizedBox(
                     height: height,
                     child: Scrollbar(
                       controller: state._scrollController,
                       child: GridView.builder(
                         controller: state._scrollController,
                         gridDelegate:
                             SliverGridDelegateWithMaxCrossAxisExtent(
                               maxCrossAxisExtent: maxCrossAxisExtent,
                               mainAxisSpacing: mainAxisSpacing,
                               crossAxisSpacing: crossAxisSpacing,
                             ),
                         itemCount: state.names.length,
                         itemBuilder:
                             (final BuildContext context, final int index) {
                               IconData iconData = state
                                   ._effectiveController
                                   .icons[state.names[index]]!;

                               return GestureDetector(
                                 onTap: () => state.didChange(iconData),
                                 child: Icon(iconData, size: iconSize),
                               );
                             },
                       ),
                     ),
                   ),
                 ),
               ],
             ),
           ),
         );
       },
     );