SortableListDelegate<T> class abstract

Abstract base for providing items to a sortable list.

Implement this class to create custom item sources for sortable lists. Provides item count and item retrieval methods.

Implementers

• SortableChildBuilderDelegate
• SortableChildListDelegate

Constructors

SortableListDelegate()

Creates a SortableListDelegate.

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

itemCount → int?

The number of items in the list.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

getItem(BuildContext context, int index) → T

Retrieves the item at the specified index.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited