BaseDraggableWidget class

This is the most basic draggable widget. It gives you complete control over creating of the drag session.

In most cases you will probably want to use DraggableWidget inside a DragItemWidget instead.

Inheritance

Constructors

BaseDraggableWidget({Key? key, required Widget child, required DragConfigurationProvider dragConfiguration, HitTestBehavior hitTestBehavior = HitTestBehavior.deferToChild, LocationIsDraggable isLocationDraggable = _defaultIsLocationDraggable, AdditionalItemsProvider additionalItems = _defaultAdditionalItems})
const

Properties

additionalItems → AdditionalItemsProvider
On iOS this method is called when user taps draggable widget during existing drag sessions. It can be used to provide additional dragging item for current session.
final
child → Widget
final
dragConfiguration → DragConfigurationProvider
Returns drag configuration for the given offset and session.
final
hashCode → int
The hash code for this object.
no setterinherited
hitTestBehavior → HitTestBehavior
final
isLocationDraggable → LocationIsDraggable
Should return true if the offset is considered draggable. The offset is in global coordinates but restricted to area covered by the Widget.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
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