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 void onScrollUpdate(Offset scrollOffset), required Offset getScrollOffset(), required GlobalKey<State<StatefulWidget>>? reorderableChildKey, required ScrollController? scrollController, Key? key})
const

Properties

automaticScrollExtent → double
Indicator when the scrolling should start.
final
child → Widget
child added to build method.
final
enableScrollingWhileDragging → bool
Enables the functionality to scroll while dragging a child to the top or bottom.
final
getScrollOffset → Offset Function()
final
hashCode → int
The hash code for this object.
no setterinherited
isDragging → bool
Indicator if the user is using drag and drop.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onDragUpdate → PointerMoveEventListener
Callback when the offset of the tapped area is changing.
final
onScrollUpdate → void Function(Offset scrollOffset)
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