DraggableContainerState<T extends DraggableItem> class

Inheritance

Constructors

DraggableContainerState()

Properties

beforeDrop BeforeDropCallBack<T>?
getter/setter pair
beforeRemove BeforeRemoveCallBack<T>?
getter/setter pair
containerHeight double
no setterinherited
context BuildContext
The location in the tree where this widget builds.
no setterinherited
draggingItem ↔ T?
getter/setter pair
draggingKey GlobalKey<DraggableWidgetState<DraggableItem>>?
getter/setter pair
draggingWidget Widget?
getter/setter pair
editMode bool
getter/setter pair
hashCode int
The hash code for this object.
no setterinherited
items List<T?>
no setter
itemSize Size
no setter
layoutWidth double
getter/setter pair
longPressPosition Offset
getter/setter pair
mounted bool
Whether this State object is currently in a tree.
no setterinherited
pickUp ↔ DraggableWidget<T>?
getter/setter pair
relationship Map<DraggableSlot<T>, DraggableWidget<T>?>
no setter
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
shrinkWrap bool
getter/setter pair
slots List<DraggableSlot<T>>
no setter
startPosition Offset?
getter/setter pair
tapOutSideExitEditMode bool
getter/setter pair
widget DraggableContainer<T>
The current configuration.
no setterinherited

Methods

activate() → void
Called when this object is reinserted into the tree after having been removed via deactivate.
inherited
addSlot(T? item, {bool update = true}) → void
build(BuildContext context) Widget
Describes the part of the user interface represented by this widget.
override
buildSlotRectCaches(Iterable<BuildContext> list) → dynamic
inherited
calcItemSize(SliverGridDelegate delegate, double layoutWidth) → void
inherited
calcSlotRect({required int index, required double layoutWidth}) Rect
inherited
clearCaches() → dynamic
inherited
deactivate() → void
Called when this object is removed from the tree.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didChangeDependencies() → void
Called when a dependency of this State object changes.
inherited
didUpdateWidget(covariant DraggableContainer<T> oldWidget) → void
Called whenever the widget configuration changes.
override
dispose() → void
Called when this object is removed from the tree permanently.
inherited
findItemByEventPosition(Offset globalPosition) → DraggableWidget<T>?
findSlotByOffset(Offset offset) int
inherited
findSlotFromTile(DraggableWidget<T>? widget) → DraggableSlot<T>?
initState() → void
Called when this object is inserted into the tree.
inherited
insertSlot(int index, T? item, {bool update = true}) → void
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onLongPressEnd(dynamic _) → dynamic
onLongPressMoveUpdate(LongPressMoveUpdateDetails _) → dynamic
onLongPressStart(LongPressStartDetails _) → dynamic
onPanEnd(dynamic _) → dynamic
onPanStart(DragStartDetails _) → dynamic
onPanUpdate(DragUpdateDetails _) → dynamic
reassemble() → void
Called whenever the application is reassembled during debugging, for example during hot reload.
inherited
removeItem(T item) int
removeItemAt(int index) → T?
removeSlot(int index) → T?
reorder({int start = 0, int end = -1, dynamic reverse = false}) → void
replaceItem(int index, T? item) → void
setState(VoidCallback fn) → void
Notify the framework that the internal state of this object has changed.
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
toStringShort() String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited

Operators

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