ReorderableController class abstract

Implementers

• ReorderableDragAndDropController

Constructors

ReorderableController()

Properties

builtKeyValues → Set<String>

Key values of children built since the item count decreased.

final

childrenKeyMap → Map<String, ReorderableEntity>

final

childrenOrderMap → Map<int, ReorderableEntity>

final

draggedEntity ↔ ReorderableEntity?

Instance of dragged entity when dragging starts.

getter/setter pair

draggingAnimationMap → Map<ValueKey, DraggingAnimationEntity>

Visible offsets of all children animated while dragging, by their key.

final

hashCode → int

The hash code for this object.

no setter, inherited

lastBuiltChildren → Map<String, Widget>

Last built widget of every child by its key value.

final

lastRemovedEntities ↔ List<ReorderableEntity>

Entities of the children removed by the last update of the children.

getter/setter pair

offsetMap → Map<int, Offset>

final

positionChangeDelay ↔ Duration

Delay for position changes caused by removed children.

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

addBuiltChild({required ValueKey key, required Widget child}) → void

Saves child as the last built widget of key.

getReorderableEntity({required ValueKey key, required int index}) → ReorderableEntity

Creates or updates ReorderableEntity related to key and returns it.

handleCreatedChild({required Offset? offset, required Size size, required ReorderableEntity reorderableEntity}) → ReorderableEntity

Updates specific values of reorderableEntity and update maps.

handleMovingFinished({required ReorderableEntity reorderableEntity}) → ReorderableEntity

Updates offset and order id of reorderableEntity faded in.

handleOpacityFinished({required ReorderableEntity reorderableEntity}) → ReorderableEntity

Updates offset and order id of reorderableEntity faded in.

handleSizeChanged() → void

Resets all entities in childrenOrderMap and childrenKeyMap.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

removeBuiltChild({required ValueKey key, required Widget child}) → void

Removes child of key from lastBuiltChildren after it was disposed.

replaceMaps({required Map<String, ReorderableEntity> updatedChildrenKeyMap, required Map<int, ReorderableEntity> updatedChildrenOrderMap}) → void

shortenMapsToItemCount({required int itemCount}) → void

Removes all children that have a higher position the itemCount.

toString() → String

A string representation of this object.

inherited

updateToActualPositions() → void

Iterates through childrenKeyMap and updates ReorderableEntity.

Operators

operator ==(Object other) → bool

The equality operator.

inherited