ReorderableScrollingListener class

Uses Listener to indicate position updates while dragging a child and enables an autoscroll functionality.

Inheritance

Constructors

ReorderableScrollingListener({required Widget child, required bool isDragging, required bool enableScrollingWhileDragging, required double automaticScrollExtent, required PointerMoveEventListener onDragUpdate, required VoidCallback onDragEnd, required void onScrollUpdate(double scrollPixels), required GlobalKey<State<StatefulWidget>>? reorderableChildKey, required ScrollController? scrollController, Key? key})
const

Properties

automaticScrollExtent double
final
child Widget
final
enableScrollingWhileDragging bool
final
hashCode int
The hash code for this object.
no setterinherited
isDragging bool
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onDragEnd VoidCallback
final
onDragUpdate PointerMoveEventListener
final
onScrollUpdate → void Function(double scrollPixels)
Called when the current scrolling position changes.
final
reorderableChildKey GlobalKey<State<StatefulWidget>>?
Should be the key of the added GridView.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
scrollController ScrollController?
Should be the ScrollController of the GridView.
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() State<ReorderableScrollingListener>
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