/// <inheritdoc/>
protected override void OnPointerPressed(PointerPressEventArgs e)
{
base.OnPointerPressed(e);
Classes.Add(":pressed");
e.Device.Capture(this);
e.Handled = true;
if (ClickMode == ClickMode.Press)
{
RaiseClickEvent();
}
}
/// <summary>
/// Called when the <see cref="INotifyCollectionChanged.CollectionChanged"/> event is
/// raised on <see cref="Items"/>.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event args.</param>
protected virtual void ItemsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
var collection = sender as ICollection;
if (collection.Count == 0)
{
Classes.Add(":empty");
}
else
{
Classes.Remove(":empty");
}
}
/// <summary>
/// Subscribes to an <see cref="Items"/> collection.
/// </summary>
/// <param name="items"></param>
private void SubscribeToItems(IEnumerable items)
{
if (items == null || items.Count() == 0)
{
Classes.Add(":empty");
}
else
{
Classes.Remove(":empty");
}
var incc = items as INotifyCollectionChanged;
if (incc != null)
{
incc.CollectionChanged += ItemsCollectionChanged;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ItemsControl"/> class.
/// </summary>
public ItemsControl()
{
Classes.Add(":empty");
SubscribeToItems(_items);
}
/// <summary>
/// Initializes a new instance of the <see cref="ItemsControl"/> class.
/// </summary>
public ItemsControl()
{
Classes.Add(":empty");
Items = new PerspexList <object>();
}