ReorderableGridView class

Usage:

ReorderableGridView(
  crossAxisCount: 3,
  children: this.data.map((e) => buildItem("$e")).toList(),
  onReorder: (oldIndex, newIndex) {
    setState(() {
      final element = data.removeAt(oldIndex);
      data.insert(newIndex, element);
    });
  },
)
Inheritance

Constructors

ReorderableGridView({Key? key, required List<Widget> children, DragWidgetBuilder? dragWidgetBuilder, ScrollSpeedController? scrollSpeedController, Clip clipBehavior = Clip.hardEdge, double? cacheExtent, int? semanticChildCount, ScrollViewKeyboardDismissBehavior keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual, String? restorationId, bool reverse = false, required int crossAxisCount, EdgeInsetsGeometry? padding, required ReorderCallback onReorder, ScrollPhysics? physics, List<Widget>? footer, bool? primary, double mainAxisSpacing = 0.0, double crossAxisSpacing = 0.0, double? childAspectRatio = 1.0, bool addAutomaticKeepAlives = true, bool addRepaintBoundaries = true, dynamic addSemanticIndexes = true, bool shrinkWrap = true, @Deprecated("Not used any more, because always anti multiDrag now.") bool antiMultiDrag = false})

Properties

addAutomaticKeepAlives → bool
final
addRepaintBoundaries → bool
final
addSemanticIndexes → dynamic
final
antiMultiDrag → bool
I think anti multi drag is loss performance. So default is false, and only set if you care this case.
final
cacheExtent → double?
final
childAspectRatio → double?
The ratio of the cross-axis to the main-axis extent of each child.
final
children → List<Widget>
final
clipBehavior → Clip
final
crossAxisCount → int
final
crossAxisSpacing → double
final
dragWidgetBuilder → DragWidgetBuilder?
final
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
keyboardDismissBehavior → ScrollViewKeyboardDismissBehavior
final
mainAxisSpacing → double
final
onReorder → ReorderCallback
final
padding → EdgeInsetsGeometry?
final
physics → ScrollPhysics?
final
primary → bool?
final
restorationId → String?
final
reverse → bool
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scrollSpeedController → ScrollSpeedController?
final
semanticChildCount → int?
final
shrinkWrap → bool
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → _ReorderableGridViewState
Creates the mutable state for this widget at a given location in the tree.
override
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited