SelectionEngine class - selection_engine library

SelectionEngine<T> class

Internal selection engine.

Responsible for all selection logic.

The widget should never implement selection logic directly. Instead, delegate all operations to this engine.

Constructors

SelectionEngine({required DynamicButtonController<T> controller, required SelectionMode selectionMode}): const

controller → DynamicButtonController<T>: final
hashCode → int: The hash code for this object.
no setterinherited
hasSelection → bool: Whether anything is selected.
no setter
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
selectedItem → T?: Returns the first selected item.
no setter
selectedItems → List<T>: Returns the selected items.
no setter
selectionMode → SelectionMode: final

clear() → void: Clears the selection.
invertSelection(List<T> items) → void: Inverts the current selection.
isSelected(T item) → bool: Returns whether the item is selected.
isSelectedAt(List<T> items, int index) → bool: Returns whether the index is selected.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
onItemTap(T item) → void: Handles tapping an item.
selectAll(List<T> items) → void: Select all items.
toString() → String: A string representation of this object.
inherited