Class VirtualScrollObservableCollectionAdapter<TItem>

Namespace

Nalu

Assembly

Nalu.Maui.VirtualScroll.dll

An adapter that wraps an observable collection for use with VirtualScroll supporting drag and drop.

public class VirtualScrollObservableCollectionAdapter<TItem> : VirtualScrollNotifyCollectionChangedAdapter<ObservableCollection<TItem>>, IReorderableVirtualScrollAdapter, IVirtualScrollAdapter, IVirtualScrollDragHandler

Type Parameters

TItem

Inheritance

object

VirtualScrollNotifyCollectionChangedAdapter<ObservableCollection<TItem>>

VirtualScrollObservableCollectionAdapter<TItem>

Implements

IReorderableVirtualScrollAdapter

IVirtualScrollAdapter

IVirtualScrollDragHandler

Inherited Members

VirtualScrollNotifyCollectionChangedAdapter<ObservableCollection<TItem>>.Collection

VirtualScrollNotifyCollectionChangedAdapter<ObservableCollection<TItem>>.GetSectionCount()

VirtualScrollNotifyCollectionChangedAdapter<ObservableCollection<TItem>>.GetItemCount(int)

VirtualScrollNotifyCollectionChangedAdapter<ObservableCollection<TItem>>.GetSection(int)

VirtualScrollNotifyCollectionChangedAdapter<ObservableCollection<TItem>>.GetItem(int, int)

VirtualScrollNotifyCollectionChangedAdapter<ObservableCollection<TItem>>.Subscribe(Action<VirtualScrollChangeSet>)

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

VirtualScrollObservableCollectionAdapter(ObservableCollection<TItem>)

Initializes a new instance of the VirtualScrollObservableCollectionAdapter<TItem> class.

public VirtualScrollObservableCollectionAdapter(ObservableCollection<TItem> collection)

Parameters

collection ObservableCollection<TItem>

Methods

CanDragItem(VirtualScrollDragInfo)

Determines whether the specified item can be dragged.

public virtual bool CanDragItem(VirtualScrollDragInfo dragInfo)

Parameters

dragInfo VirtualScrollDragInfo

Returns

bool

CanDropItemAt(VirtualScrollDragDropInfo)

Determines whether the specified item can be dropped at the destination position.

public virtual bool CanDropItemAt(VirtualScrollDragDropInfo dragDropInfo)

Parameters

dragDropInfo VirtualScrollDragDropInfo

Returns

bool

MoveItem(VirtualScrollDragMoveInfo)

Moves an item from its source position to a destination position.

public virtual void MoveItem(VirtualScrollDragMoveInfo dragMoveInfo)

Parameters

dragMoveInfo VirtualScrollDragMoveInfo

OnDragEnded(VirtualScrollDragInfo)

Called when a drag operation ended.

public virtual void OnDragEnded(VirtualScrollDragInfo dragInfo)

Parameters

dragInfo VirtualScrollDragInfo

OnDragInitiating(VirtualScrollDragInfo)

Called when a drag operation is initiating (before it starts).

public virtual void OnDragInitiating(VirtualScrollDragInfo dragInfo)

Parameters

dragInfo VirtualScrollDragInfo

OnDragStarted(VirtualScrollDragInfo)

Called when a drag operation is started.

public virtual void OnDragStarted(VirtualScrollDragInfo dragInfo)

Parameters

dragInfo VirtualScrollDragInfo

ShouldIgnoreCollectionChanges()

Tells if the adapter should ignore collection changes, therefore not notifying subscribers.

protected override bool ShouldIgnoreCollectionChanges()

Returns

bool