BoardDragState class
Manages the state of drag and drop operations
- Inheritance
-
- Object
- ChangeNotifier
- BoardDragState
Constructors
Properties
- currentPosition → Offset?
-
The current position of the dragged item
no setter
- draggedItem → BoardItemState?
-
The currently dragged item
no setter
- draggedItemIndex → int?
-
The index of the item being dragged
no setter
- draggedListIndex → int?
-
The index of the list being dragged
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- isDragging → bool
-
Whether an item is currently being dragged
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- startItemIndex → int?
-
The original item index where dragging started
no setter
- startListIndex → int?
-
The original list index where dragging started
no setter
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be called when the object changes.
inherited
-
cancelDrag(
) → void - Cancels the drag operation and returns to original position
-
dispose(
) → void -
Discards any resources used by the object.
inherited
-
endDrag(
) → void - Ends the drag operation
-
moveItem(
{required int newListIndex, required int newItemIndex}) → void - Moves the dragged item to a new position
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
setCallbacks(
BoardCallbacks? callbacks) → void - Sets the callbacks for drag state changes
-
startDrag(
{required BoardItemState item, required int listIndex, required int itemIndex, required Offset position}) → void - Starts a drag operation
-
toString(
) → String -
A string representation of this object.
inherited
-
updateDragPosition(
Offset position) → void - Updates the drag position
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited