ReorderableScrollingListener class
Uses Listener to indicate position updates while dragging a child and enables an autoscroll functionality.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ReorderableScrollingListener
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< ? reorderableChildKey, required ScrollController? scrollController, Key? key})StatefulWidget> > -
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