GridView

Название типа	Поддерживает анимации свойств	Контроллируемый по умолчанию	Может содержать связанное действие	Ссылка
GridView	✗	✗	✗	link

к сведению

Вариант GridView.builder всегда является контроллируемым виджетом

Атрибуты (устаревшие модели)

final class GridViewAttributes
    implements DuitAttributes<GridViewAttributes>, DynamicChildHolder {
  //Flutter GridView properties
  final double mainAxisSpacing,
      crossAxisSpacing,
      childAspectRatio,
      maxCrossAxisExtent;
  final double? cacheExtent;
  final Clip clipBehavior;
  final DragStartBehavior dragStartBehavior;
  final ScrollViewKeyboardDismissBehavior keyboardDismissBehavior;
  final EdgeInsetsGeometry? padding;
  final ScrollPhysics physics;
  final bool? primary;
  final bool reverse,
      shrinkWrap,
      addAutomaticKeepAlives,
      addRepaintBoundaries,
      addSemanticIndexes;
  final Axis scrollDirection;
  final int? semanticChildCount;
  final String? restorationId;
  final HitTestBehavior hitTestBehavior;
  //GridView.count
  final int crossAxisCount;

  //Duit specific properties
  final GridConstructor constructor;
  final String sliverGridDelegateKey, sliverChildDelegateKey;
  final Map<String, dynamic> sliverGridDelegateOptions;

  //GridView.builder custom props
  @override
  final List<Map<String, dynamic>>? childObjects;
  @override
  final ArrayMergeStrategy? mergeStrategy;
  @override
  final double? scrollEndReachedThreshold;

  const GridViewAttributes.common({
    required this.sliverGridDelegateKey,
    required this.sliverGridDelegateOptions,
    this.scrollDirection = Axis.vertical,
    this.reverse = false,
    this.primary,
    this.physics = const AlwaysScrollableScrollPhysics(),
    this.shrinkWrap = false,
    this.padding,
    this.addAutomaticKeepAlives = true,
    this.addRepaintBoundaries = true,
    this.addSemanticIndexes = true,
    this.cacheExtent,
    this.semanticChildCount,
    this.dragStartBehavior = DragStartBehavior.start,
    this.clipBehavior = Clip.hardEdge,
    this.keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual,
    this.restorationId,
    this.hitTestBehavior = HitTestBehavior.opaque,
  })  : constructor = GridConstructor.common,
        crossAxisCount = 0,
        childAspectRatio = 0.0,
        crossAxisSpacing = 0.0,
        mainAxisSpacing = 0.0,
        maxCrossAxisExtent = 0.0,
        sliverChildDelegateKey = "",
        childObjects = null,
        mergeStrategy = null,
        scrollEndReachedThreshold = null;

  const GridViewAttributes.count({
    required this.crossAxisCount,
    this.scrollDirection = Axis.vertical,
    this.reverse = false,
    this.primary,
    this.physics = const AlwaysScrollableScrollPhysics(),
    this.shrinkWrap = false,
    this.padding,
    this.crossAxisSpacing = 0.0,
    this.mainAxisSpacing = 0.0,
    this.childAspectRatio = 1.0,
    this.addAutomaticKeepAlives = true,
    this.addRepaintBoundaries = true,
    this.addSemanticIndexes = true,
    this.cacheExtent,
    this.semanticChildCount,
    this.dragStartBehavior = DragStartBehavior.start,
    this.keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual,
    this.restorationId,
    this.clipBehavior = Clip.hardEdge,
    this.hitTestBehavior = HitTestBehavior.opaque,
  })  : constructor = GridConstructor.count,
        maxCrossAxisExtent = 0.0,
        sliverGridDelegateKey = "",
        sliverChildDelegateKey = "",
        childObjects = null,
        mergeStrategy = null,
        sliverGridDelegateOptions = const {},
        scrollEndReachedThreshold = null;

  const GridViewAttributes.builder({
    required this.sliverGridDelegateKey,
    required this.childObjects,
    required this.mergeStrategy,
    required this.scrollEndReachedThreshold,
    required this.sliverGridDelegateOptions,
    this.scrollDirection = Axis.vertical,
    this.reverse = false,
    this.primary,
    this.physics = const AlwaysScrollableScrollPhysics(),
    this.shrinkWrap = false,
    this.padding,
    this.addAutomaticKeepAlives = true,
    this.addRepaintBoundaries = true,
    this.addSemanticIndexes = true,
    this.cacheExtent,
    this.semanticChildCount,
    this.dragStartBehavior = DragStartBehavior.start,
    this.clipBehavior = Clip.hardEdge,
    this.keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual,
    this.restorationId,
    this.hitTestBehavior = HitTestBehavior.opaque,
  })  : constructor = GridConstructor.builder,
        crossAxisCount = 0,
        childAspectRatio = 0.0,
        crossAxisSpacing = 0.0,
        mainAxisSpacing = 0.0,
        maxCrossAxisExtent = 0.0,
        sliverChildDelegateKey = "";

  const GridViewAttributes.extent({
    required this.maxCrossAxisExtent,
    this.scrollDirection = Axis.vertical,
    this.reverse = false,
    this.primary,
    this.physics = const AlwaysScrollableScrollPhysics(),
    this.shrinkWrap = false,
    this.padding,
    this.crossAxisSpacing = 0.0,
    this.mainAxisSpacing = 0.0,
    this.childAspectRatio = 1.0,
    this.addAutomaticKeepAlives = true,
    this.addRepaintBoundaries = true,
    this.addSemanticIndexes = true,
    this.cacheExtent,
    this.semanticChildCount,
    this.dragStartBehavior = DragStartBehavior.start,
    this.keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual,
    this.restorationId,
    this.clipBehavior = Clip.hardEdge,
    this.hitTestBehavior = HitTestBehavior.opaque,
  })  : constructor = GridConstructor.extent,
        crossAxisCount = 0,
        sliverGridDelegateKey = "",
        sliverChildDelegateKey = "",
        childObjects = null,
        mergeStrategy = null,
        sliverGridDelegateOptions = const {},
        scrollEndReachedThreshold = null;

Пример использования

Go

GridView[duit_core.RemoteAction, duit_edge_insets.EdgeInsetsAll](
    &duit_attributes.GridViewBuilderAttributes[duit_edge_insets.EdgeInsetsAll]{
      SliverGridDelegateKey:     "delegate1",
      Builder:                   duit_builder.Builder{
        ChildObjects: []*duit_core.DuitElementModel{},
        MergeStrategy: duit_builder.AddToEnd,
      },
      DefautlGridViewAttributes: duit_attributes.DefautlGridViewAttributes[duit_edge_insets.EdgeInsetsAll]{
        ScrollDirection: duit_flex.Vertical,
      },
    },
    "id",
    true,
    &duit_core.RemoteAction{

    },
    nil, //children
)